trytonpsk-hotel/folio.py

# This file is part of Tryton.  The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.

from decimal import Decimal
from datetime import timedelta, datetime, date
from collections import OrderedDict
import calendar

from trytond.model import ModelView, Workflow, ModelSQL, fields
from trytond.pyson import Eval, Bool
from trytond.pool import Pool
from trytond.report import Report
from trytond.wizard import (
    Wizard, StateView, StateAction, Button, StateTransition, StateReport
)
from trytond.transaction import Transaction
from trytond.model.exceptions import AccessError
from trytond.exceptions import UserError
from trytond.i18n import gettext
from .constants import (
    REGISTRATION_STATE, COMPLEMENTARY, INVOICE_STATES
)
from .room import ROOM_STATUS


STATES_CHECKIN = {
    'readonly': Eval('registration_state').in_(
        ['check_in', 'no_show', 'cancelled']
    ),
    'required': Eval('registration_state') == 'check_in',
}

STATES_CHECKOUT = {
    'readonly': Eval('registration_state').in_(
        ['check_out', 'no_show', 'cancelled']
    ),
    'required': Eval('registration_state') == 'check_in',
}

STATES_OP = {
    'readonly': Eval('state').in_(['check_out', 'done', 'cancelled'])
}

STATES_MNT = {'readonly': Eval('state') != 'draft'}
_ZERO = Decimal('0')


class Folio(ModelSQL, ModelView):
    'Folio'
    __name__ = 'hotel.folio'
    STATES = {
        'required': Eval('registration_state') == 'check_in',
        'readonly': Eval('registration_state') == 'check_in',
    }
    booking = fields.Many2One('hotel.booking', 'Booking', ondelete='CASCADE',
        select=True)
    reference = fields.Char('Reference', states=STATES)
    registration_card = fields.Char('Registration Card', readonly=True,
        select=True, help="Unique sequence for card guest registration.")
    room = fields.Many2One('hotel.room', 'Room', select=True,
        states=STATES_CHECKOUT)
    arrival_date = fields.Date('Arrival Date', required=True,
        states=STATES_CHECKOUT)
    departure_date = fields.Date('Departure Date', required=True,
        states=STATES_CHECKOUT)
    product = fields.Many2One('product.product', 'Product',
        select=True, domain=[
            ('template.type', '=', 'service'),
            ('template.kind', '=', 'accommodation'),
        ], required=True, states=STATES_CHECKOUT)
    unit_price = fields.Numeric('Unit Price', digits=(16, 4),
        states={
            'required': Bool(Eval('product')),
            'readonly': Eval('registration_state') == 'check_out',
        })
    unit_price_w_tax = fields.Function(fields.Numeric('Unit Price'),
        'get_unit_price_w_tax')
    uom = fields.Many2One('product.uom', 'UOM', readonly=True)
    main_guest = fields.Many2One('party.party', 'Main Guest', select=True,
        states={'readonly': True})
    contact = fields.Char('Contact', states=STATES_CHECKIN)
    party_holder = fields.Function(fields.Many2One('party.party',
        'Party Holder'), 'get_party_holder')
    num_children = fields.Function(fields.Integer('No. Children'),
        'get_num_children')
    nights_quantity = fields.Integer('Nights', states={'readonly': True},
        depends=['arrival_date', 'departure_date'])
    host_quantity = fields.Integer('Host', states=STATES_CHECKIN)
    estimated_arrival_time = fields.Time('Estimated Arrival Time', states={
            'readonly': Eval('registration_state').in_(
                ['check_out', 'no_show', 'cancelled']
            )})
    unit_digits = fields.Function(fields.Integer('Unit Digits'), 'get_unit_digits')
    notes = fields.Text('Notes')
    total_amount = fields.Function(fields.Numeric('Total Amount',
        digits=(16, 2)), 'get_total_amount')
    commission_amount = fields.Numeric('Commission Amount', digits=(16, 2),
        depends=['nights_quantity', 'unit_price'], states={'readonly': True}
    )
    guests = fields.One2Many('hotel.folio.guest', 'folio', 'Guests',
        states={'readonly': Eval('registration_state').in_(['check_out'])})
    storage = fields.Many2One('stock.location', 'Storage',
        domain=[('type', '=', 'storage')], states={
            'readonly': Eval('registration_state') != 'check_in',
            },
        depends=['registration_state'])
    registration_state = fields.Selection(REGISTRATION_STATE,
        'Registration State', readonly=True, select=True)
    registration_state_string = registration_state.translated('registration_state')
    charges = fields.One2Many('hotel.folio.charge', 'folio', 'Charges',
        states={
            'readonly': ~Eval('registration_state').in_(['check_in']),
        })
    party = fields.Many2One('party.party', 'Party to Bill', select=True,
        states={
            'readonly': Eval('registration_state').in_(['check_out']),
        })
    invoice_line = fields.Many2One('account.invoice.line', 'Invoice Line')
    to_invoice = fields.Boolean('To Invoice', states={
            'invisible': Bool(Eval('invoice_line')),
        }, depends=['invoice_line'],
        help='Mark this checkbox if you want to invoice this item')
    invoice = fields.Function(fields.Many2One('account.invoice', 'Invoice',
        depends=['invoice_line']), 'get_invoice')
    invoice_state = fields.Function(fields.Selection(
        INVOICE_STATES, 'Invoice State'), 'get_invoice_state')
    type_complementary = fields.Selection(COMPLEMENTARY, 'Type Complementary',
        states={
            'invisible': ~Bool(Eval('complementary')),
            'required': Bool(Eval('complementary')),
    })
    breakfast_included = fields.Boolean('Breakfast Included', states={
        'readonly': Eval('registration_state') != 'check_in',
    })
    room_amount = fields.Function(fields.Numeric('Room Amount',
        digits=(16, 2), depends=['nights_quantity', 'unit_price']
        ), 'on_change_with_room_amount')
    channel = fields.Function(fields.Many2One('hotel.channel', 'Channel'),
        'get_channel')
    num_children = fields.Function(fields.Integer('Num. Children'),
        'get_num_guests')
    num_adults = fields.Function(fields.Integer('Num. Adults'),
        'get_num_guests')
    stock_moves = fields.Function(fields.One2Many('stock.move', 'origin',
        'Moves'), 'get_stock_moves')
    vehicle_plate = fields.Char('Vehicle Plate')
    taxes = fields.Many2Many('hotel.folio-account.tax', 'folio', 'tax', 'Taxes',
        order=[('tax.sequence', 'ASC'), ('tax.id', 'ASC')],
        domain=[
            ('parent', '=', None), ['OR',
                ('group', '=', None),
                ('group.kind', 'in', ['sale', 'both'])
            ],
        ],
    )
    room_status = fields.Function(fields.Selection(ROOM_STATUS,
        'Room Status'), 'get_room_status')
    payment_status = fields.Selection([
            (None, ''),
            ('pending', 'Pending'),
            ('paid', 'Paid'),
        ], 'Acco. Payment Status', readonly=True)
    payments = fields.One2Many('account.statement.line', 'source',
        'Payments', readonly=True)
    pending_accommodation = fields.Function(fields.Numeric('Pending to Pay',
        digits=(16, 2)), 'get_pending_to_pay')
    pending_charges = fields.Function(fields.Numeric('Pending to Pay',
        digits=(16, 2)), 'get_pending_to_pay')
    pending_total = fields.Function(fields.Numeric('Pending to Pay',
        digits=(16, 2)), 'get_pending_to_pay')
    total_advances = fields.Function(fields.Numeric('Total Advances',
        digits=(16, 2)), 'get_total_advances')
    pax = fields.Integer('PAX', states={
        'readonly': Eval('registration_state').in_(
            ['check_out', 'no_show', 'cancelled']
        )}, help="Number of persons in house setted manually.")
    invoices = fields.Function(fields.Many2Many('account.invoice',
        None, None, 'Invoices'), 'get_invoices')
    charges_blocked = fields.Boolean('Charges Blocked')

    @classmethod
    def __setup__(cls):
        super(Folio, cls).__setup__()
        # cls._check_modify_exclude = [
        #     'nationality', 'origin_country', 'target_country',
        #     'registration_state', 'guests'
        # ]
        cls._buttons.update({
            'check_in': {
                'invisible': Eval('registration_state').in_(
                    ['check_in', 'check_out']
                ),
            },
            'check_out': {
                'invisible': Eval('registration_state') != 'check_in',
            },
            'bill': {
                'invisible': Eval('registration_state') != 'check_out',
            },
            'do_payment': {
                'invisible': Eval('registration_state').in_([
                    'no_show', 'cancelled', 'pending'
                ]),
            }
        })

    @staticmethod
    def default_to_invoice():
        return True

    @staticmethod
    def default_payment_status():
        return 'pending'

    @staticmethod
    def default_registration_state():
        return 'pending'

    @staticmethod
    def default_pax():
        return 1

    @classmethod
    @ModelView.button_action('hotel.wizard_statement_payment_form')
    def do_payment(cls, records):
        pass

    def get_total_advances(self, name=None):
        res = []
        for pay in self.payments:
            res.append(pay.amount)
        return sum(res)

    def get_pending_to_pay(self, name=None):
        res = 0
        if name == 'pending_accommodation':
            if self.payment_status != 'paid':
                res = self.get_total_accommodation()
        if name == 'pending_charges':
            total_charges = self.get_total_charges()
            charge_paid = 0
            for charge in self.charges:
                if charge.status == 'paid':
                    charge_paid += charge.amount
            res = total_charges - charge_paid
        if name == 'pending_total':
            res = self.total_amount - self.total_advances
        return res

    def get_num_guests(self, name):
        res = []

        for guest in self.guests:
            if name == 'num_children' and guest.type_guest == 'child':
                res.append(1)
            elif name == 'num_adults' and guest.type_guest == 'adult':
                res.append(1)
        return sum(res)

    def get_party_holder(self, name=None):
        if self.booking.party:
            return self.booking.party.id

    def get_rec_name(self, name=None):
        if self.room:
            name = f'{self.room.code}:'
        if self.main_guest:
            name = name + self.main_guest.name
        return name

    @classmethod
    def search_rec_name(cls, name, clause):
        _, operator, value = clause
        if operator.startswith('!') or operator.startswith('not '):
            bool_op = 'AND'
        else:
            bool_op = 'OR'
        domain = [
            bool_op,
            ('main_guest', operator, value),
            ('registration_card', operator, value),
            ('product.name', operator, value),
            ('party.name', operator, value),
            ('booking.party.name', operator, value),
            ('reference', operator, value),
        ]
        return domain

    def get_invoices(self, name=None):
        res = []
        for charge in self.charges:
            if charge.invoice_line:
                res.append(charge.invoice_line.invoice.id)
        return list(set(res))

    @classmethod
    def create(cls, values):
        folios = super(Folio, cls).create(values)
        for folio in folios:
            folio.update_nights(folio.arrival_date, folio.departure_date)
            folio.update_commission()
            folio.save()

    @classmethod
    @ModelView.button
    def check_in(cls, records):
        for record in records:
            record.validate_check_in()
            if record.booking.state == 'offer':
                raise UserError(gettext('hotel.msg_missing_confirm_booking'))
            if record.main_guest is None:
                raise UserError(gettext('hotel.msg_missing_main_guest'))
            if record.room is None:
                raise UserError(gettext('hotel.msg_missing_select_room'))
            record.set_registration_number()
            record.check_room()
            cls.update_room(record, 'check_in')
        cls.write(records, {'registration_state': 'check_in'})

    def check_room(self):
        if self.room.state != 'clean':
            raise UserError(
                gettext('hotel.msg_room_no_clean', s=self.room.name)
            )

    def get_room_status(self, name):
        if self.room:
            return self.room.state

    def validate_check_in(self):
        if self.arrival_date > date.today():
            raise UserError(gettext('hotel.msg_cannot_check_in_future'))

    def validate_check_out(self):
        bk = self.booking

        def _check_accommodation(folio):
            if folio.payment_status != 'paid':
                raise UserError(gettext('hotel.msg_accommodation_not_paid'))

        def _check_charges(folio):
            for charge in folio.charges:
                if charge.status != 'paid':
                    raise UserError(gettext('hotel.msg_charges_not_paid'))

        if bk.responsible_payment == 'guest':
            _check_charges(self)
            _check_accommodation(self)
        elif bk.responsible_payment == 'holder':
            if self.main_guest == bk.party:
                for folio in bk.lines:
                    _check_charges(folio)
                    _check_accommodation(folio)
        else:
            _check_charges(self)

    @classmethod
    @ModelView.button
    def check_out(cls, records):
        for record in records:
            record.validate_check_out()
            cls.write([record], {'registration_state': 'check_out'})
            cls.update_room(record, 'check_out')

    @classmethod
    @ModelView.button_action('hotel.wizard_bill_booking')
    def bill(cls, records):
        pass

    @classmethod
    @ModelView.button_action('hotel.wizard_booking_advance_voucher')
    def pay(cls, records):
        pass

    @classmethod
    def update_room(cls, folio, status):
        pool = Pool()
        Configuration = pool.get('hotel.configuration')
        config = Configuration.get_configuration()
        cleaning_type_id = None
        room = folio.room
        if status in 'check_in' and config.cleaning_occupied:
            cleaning_type_id = config.cleaning_occupied.id
            room.last_check_in = datetime.now()
            room.last_check_out = None
        elif status in 'check_out' and config.cleaning_check_out:
            cleaning_type_id = config.cleaning_check_out.id
            room.last_check_out = datetime.now()
            room.last_check_in = None

        room.state = 'dirty'
        if cleaning_type_id:
            room.cleaning_type = cleaning_type_id
        room.save()

    def get_invoice_state(self, name=None):
        if self.invoice_line:
            return self.invoice_line.invoice.state

    def get_channel(self, name=None):
        if self.booking and self.booking.channel:
            return self.booking.channel.id

    def set_registration_number(self):
        """
        Fill the number field for registration card with sequence
        """
        pool = Pool()
        Config = pool.get('hotel.configuration')
        config = Config.get_configuration()

        if self.registration_card:
            return
        if not config.registration_card_sequence:
            raise UserError(gettext('hotel.msg_missing_sequence_registration'))
        number = config.registration_card_sequence.get()
        self.registration_card = number
        self.save()

    def get_stock_moves(self, name=None):
        moves = []
        for charge in self.charges:
            if charge.move:
                moves.append(charge.move.id)
        return moves

    # def create_invoice(self, kind=None):
    #     pool = Pool()
    #     Booking = pool.get('hotel.booking')
    #     Booking.create_invoice([self], kind)
    #     Booking.check_finished([self.booking])

    def get_unit_price_w_tax(self, name=None):
        Tax = Pool().get('account.tax')
        res = self.unit_price or 0
        if self.unit_price:
            values = Tax.compute(
                self.product.template.customer_taxes_used,
                self.unit_price, 1)
            if values:
                value = values[0]
                res = value['base'] + value['amount']
        return res

    @fields.depends('unit_price', 'nights_quantity')
    def on_change_with_room_amount(self, name=None):
        res = 0
        if self.unit_price and self.nights_quantity:
            res = self.unit_price * self.nights_quantity
        return round(res, Folio.total_amount.digits[1])

    @staticmethod
    def default_main_guest():
        party = Transaction().context.get('party')
        return party

    @staticmethod
    def default_host_quantity():
        return 1

    @staticmethod
    def default_accommodation():
        Configuration = Pool().get('hotel.configuration')
        configuration = Configuration.get_configuration()
        if configuration.default_accommodation:
            return configuration.default_accommodation.id

    @staticmethod
    def default_breakfast_included():
        return True

    @classmethod
    def validate(cls, lines):
        super(Folio, cls).validate(lines)
        for line in lines:
            # line.check_method()
            pass

    def get_invoice(self, name=None):
        if self.invoice_line and self.invoice_line.invoice:
            return self.invoice_line.invoice.id

    def get_room_info(self):
        description = ' \n'.join([
            self.product.rec_name,
            'Huesped Principal: ' + self.main_guest.name if self.main_guest else '',
            'Habitacion: ' + self.room.name,
            'Llegada: ' + str(self.arrival_date),
            'Salida: ' + str(self.departure_date),
        ])
        return description

    @fields.depends('product', 'unit_price', 'uom', 'booking',
        'nights_quantity', 'commission_amount')
    def on_change_product(self):
        Product = Pool().get('product.product')
        if self.product and self.booking:
            self.uom = self.product.default_uom.id
            with Transaction().set_context(
                self.booking.get_context_price(self.product)):
                self.unit_price = Product.get_sale_price([self.product],
                        self.nights_quantity or 0)[self.product.id]
                if self.unit_price:
                    self.unit_price = self.booking.currency.round(self.unit_price)
        else:
            self.unit_price = self.product.list_price
        self.update_commission()

    def update_commission(self):
        if self.nights_quantity and self.unit_price and self.booking:
            if not self.booking.channel:
                return
            amount = self.on_change_with_room_amount()
            self.commission_amount = self.booking.channel.compute(amount)

    @fields.depends('arrival_date', 'departure_date', 'unit_price', 'booking')
    def on_change_arrival_date(self):
        if self.arrival_date and self.departure_date:
            self.update_nights(self.arrival_date, self.departure_date)
            self.update_commission()

    @fields.depends('arrival_date', 'departure_date', 'unit_price', 'booking')
    def on_change_departure_date(self):
        if self.arrival_date and self.departure_date:
            self.update_nights(self.arrival_date, self.departure_date)
            self.update_commission()

    def check_method(self):
        """
        Check the methods.
        """
        Date = Pool().get('ir.date')
        if self.registration_state in (['check_in', 'check_out']):
            raise UserError(gettext('hotel.msg_reservation_checkin'))
        if self.arrival_date < Date.today():
            raise UserError(gettext('hotel.msg_invalid_arrival_date'))
        if self.arrival_date >= self.departure_date:
            raise UserError(gettext('hotel.msg_invalid_date'))

    def get_state(self, name):
        if self.booking:
            return self.booking.state

    def get_host_quantity(self, name):
        res = 0
        if self.num_adult:
            res += self.num_adult
        if self.num_children:
            res += self.num_children
        return res

    @classmethod
    def get_available_rooms(cls, start_date, end_date, rooms_ids=[], oper=None):
        """
        Look for available rooms.

        given the date interval, return a list of room ids.

        a room is available if it has no operation that overlaps
        with the given date interval.

        the optional 'rooms' list is a list of room instance, is an
        additional filter, specifying the ids of the desirable rooms.

        the optional 'oper' is an operation object that has to be
        filtered out of the test. it is useful for validating an already
        existing operation.
        """
        Maintenance = Pool().get('hotel.maintenance')
        if start_date >= end_date:
            raise UserError(gettext('hotel.msg_invalid_date_range'))

        # define the domain of the operations that find a
        # room to be available
        dom = ['AND', ['OR',
            [
                ('arrival_date', '>=', start_date),
                ('arrival_date', '<', end_date),
            ], [
                ('departure_date', '<=', end_date),
                ('departure_date', '>', start_date),
            ], [
                ('arrival_date', '<=', start_date),
                ('departure_date', '>=', end_date),
            ],
        ]]

        ## If oper was specified, do not compare the operations with it
        if oper is not None:
            dom.append(('id', '!=', oper.id))

        if rooms_ids:
            dom.append(('room', 'in', rooms_ids))

        folios = cls.search(dom)
        rooms_not_available_ids = [folio.room.id for folio in folios]
        dom = ['AND', ['OR',
            [
                ('start_date', '>=', start_date),
                ('start_date', '<=', end_date),
            ], [
                ('end_date', '<=', end_date),
                ('end_date', '>=', start_date),
            ], [
                ('start_date', '<=', start_date),
                ('end_date', '>=', end_date),
            ]],
            ('state', 'in', ('in_progress', 'finished')),
        ]
        maintenance = Maintenance.search(dom)
        rooms_not_available_ids.extend(mnt.room.id for mnt in maintenance)

        rooms_available_ids = set(rooms_ids) - set(rooms_not_available_ids)
        return list(rooms_available_ids)

    def update_nights(self, arrival_date, departure_date):
        self.nights_quantity = (departure_date - arrival_date).days

    @classmethod
    def get_folios(cls, args):
        Maintenance = Pool().get('hotel.maintenance')
        start = datetime.strptime(args['start_date'], "%Y-%m-%d")
        start_date = start + timedelta(days=-5)
        end_date = start + timedelta(days=30)
        dom = ['OR', [
                ('arrival_date', '>=', start_date),
                ('arrival_date', '<=', end_date)
            ], [
                ('departure_date', '>=', start_date),
                ('departure_date', '<=', end_date)
            ]]

        fields_names = [
          "room.name",
          "arrival_date",
          "departure_date",
          "main_guest.name",
          "product.rec_name",
          "booking.number",
          "booking.media",
          "booking.channel.rec_name",
          "booking.channel.code",
          "registration_state",
          "registration_card",
          "nights_quantity",
          "notes",
        ]
        folios = cls.search_read(dom, fields_names=fields_names)

        dom_maint = ['OR', [
                ('start_date', '>=', start_date),
                ('start_date', '<=', end_date),
                ('state', 'in', ('in_progress', 'finished', 'confirmed')),
                ('start_date', '!=', None),
                ('end_date', '!=', None),
            ], [
                ('end_date', '>=', start_date),
                ('end_date', '<=', end_date),
                ('state', 'in', ('in_progress', 'finished', 'confirmed')),
                ('start_date', '!=', None),
                ('end_date', '!=', None),
            ],
        ]
        fields_maint = [
            'start_date', 'end_date', 'room', 'room.name', 'issue',
            'create_uid.name'
        ]
        mnts = Maintenance.search_read(dom_maint, fields_names=fields_maint)
        res = {'folios': folios, 'mnts': mnts}
        return res

    def get_total_accommodation(self):
        res = 0
        if self.nights_quantity and self.unit_price_w_tax:
            res = self.nights_quantity * self.unit_price_w_tax
        return res

    @classmethod
    def set_offset_commission_move(cls, folios_lines, bk):
        pool = Pool()
        Move = pool.get('account.move')
        Period = pool.get('account.period')
        MoveLine = pool.get('account.move.line')
        Config = pool.get('hotel.configuration')
        config = Config.get_configuration()

        period_id = Period.find(bk.company.id, date=date.today())
        description = bk.number
        if bk.ota_booking_code:
            description += ' | ' + bk.ota_booking_code

        move, = Move.create([{
            'journal': config.offset_journal.id,
            'period': period_id,
            'date': date.today(),
            # 'origin': str(self),
            'state': 'draft',
            'description': description,
        }])

        lines_ids = []
        for folio, inv_line in folios_lines:
            if not folio.commission_amount:
                return

            party = bk.channel.agent.party
            move_line, = MoveLine.create([{
                'description': folio.registration_card,
                'account': party.account_receivable_used,
                'party': party.id,
                'debit': 0,
                'credit': folio.commission_amount,
                'move': move.id,
            }])
            lines_ids.append(move_line.id)
            move_line, = MoveLine.create([{
                'description': folio.registration_card,
                'account': party.account_payable_used,
                'party': party.id,
                'debit': folio.commission_amount,
                'credit': 0,
                'move': move.id,
            }])
            inv_line.offset_move_line = move_line.id
            inv_line.save()

        Move.post([move])
        return lines_ids

    def get_total_charges(self):
        res = []
        for charge in self.charges:
            res.append(charge.amount)
        return sum(res)

    def get_total_amount(self, name):
        """
        The total amount of folio based on room flat price.
        TODO: If room fee is applied should be used for total price calculation
        instead of flat price. Fee is linked to channel management.
        """
        res = []
        res.append(self.get_total_accommodation())
        res.append(self.get_total_charges())
        res = round(sum(res), Folio.total_amount.digits[1])
        return res

    @fields.depends('nights_quantity', 'unit_price', 'booking')
    def on_change_with_commission_amount(self):
        """
        Calculation of commission amount for channel based on booking
        """
        res = Decimal(0)
        if self.nights_quantity and self.unit_price and self.booking and \
            self.booking.channel:
            amount = self.on_change_with_room_amount()
            res = self.booking.channel.compute(amount)
            return res

    @classmethod
    def _get_check_rooms(cls, kind):
        # Dash Report
        # kind : arrival or departure
        field_target = kind + '_date'
        folios = cls.search_read([
            (field_target, '=', date.today())
        ], fields_names=['id'])
        return len(folios)

    @classmethod
    def report_check_in_today(cls, args):
        # Dash Report
        value = cls._get_check_rooms('arrival')
        today = date.today()
        res = {
            'value': value,
            'header_meta': str(today),
        }
        return res

    @classmethod
    def report_check_out_today(cls, args):
        # Dash Report
        value = cls._get_check_rooms('departure')
        today = date.today()
        res = {
            'value': value,
            'header_meta': str(today),
        }
        return res

    @classmethod
    def _get_occupation(cls, today):
        dom = [
            ('arrival_date', '<=', today),
            ('departure_date', '>', today),
        ]
        folios = cls.search_read(dom, fields_names=['id', 'guests'])
        return folios

    @classmethod
    def report_occupation_by_room(cls, args):
        # Dash Report
        today = date.today()
        folios = cls._get_occupation(today)
        value = len(folios)
        res = {
            'value': value,
            'header_meta': str(today),
        }
        return res

    @classmethod
    def report_number_guests(cls, args):
        # Dash Report
        today = date.today()
        folios = cls._get_occupation(today)
        value = 0
        for folio in folios:
            value += len(folio['guests'])

        res = {
            'value': value,
            'header_meta': str(today),
        }
        return res

    @classmethod
    def _get_range_dates(cls, folio, mode=None):
        start_date = folio['arrival_date']
        res = []
        _append = res.append
        for dt in range(folio['nights_quantity']):
            _date = start_date + timedelta(days=dt)
            if mode == 'string':
                _date = str(_date)
            _append(_date)
        return set(res)

    @classmethod
    def report_month_occupancy_rate(cls, args):
        pool = Pool()
        Room = pool.get('hotel.room')
        Folio = pool.get('hotel.folio')
        today = date.today()
        first, last = calendar.monthrange(today.year, today.month)
        labels = []
        alldays = OrderedDict()
        dates_of_month = []
        today = date.today()
        for nd in range(last):
            _day = str(date(today.year, today.month, nd + 1))
            labels.append(str(nd + 1))
            dates_of_month.append(_day)
            alldays[_day] = []

        date_start = date(today.year, today.month, 1)
        date_end = date(today.year, today.month, last)

        dom = [
            ['OR', [
                ('arrival_date', '<=', date_start),
                ('departure_date', '>=', date_start),
            ], [
                ('arrival_date', '>=', date_start),
                ('departure_date', '<=', date_end),
            ], [
                ('arrival_date', '<=', date_end),
                ('departure_date', '>=', date_end),
            ], [
                ('arrival_date', '<=', date_start),
                ('departure_date', '>=', date_end),
            ]],
            ('booking.state', 'not in', ['no_show', 'cancelled'])
        ]

        folios = Folio.search_read(dom, fields_names=[
            'arrival_date', 'nights_quantity'])

        for folio in folios:
            folio_dates = cls._get_range_dates(folio, mode='string')
            dates_target = set(dates_of_month) & folio_dates
            for dt in dates_target:
                alldays[dt].append(1)

        rooms = len(Room.search_read([]))
        values = [sum(fo_num) * 100 / rooms for _, fo_num in alldays.items()]
        month_name = today.strftime("%b %Y")
        label_item = '% Occupancy Rate'
        res = {
            'label_item': label_item,
            'labels': labels,
            'values': values,
            'header_meta': month_name,
            'min_value': 1,
            'max_value': 100,
        }
        return res

    @classmethod
    def report_current_occupancy_rate(cls, args):
        pool = Pool()
        Room = pool.get('hotel.room')
        rooms = Room.search_read([
            ('active', '=', True),
        ])
        today = date.today()
        dates_arrival = []
        dates_departure = []
        first, last = calendar.monthrange(today.year, today.month)
        day_one = date(today.year, today.month, 1)
        for md in range(last):
            dates_arrival.append(day_one + timedelta(days=(md+1)))
            dates_departure.append(day_one + timedelta(days=(md+2)))

        rooms_available = len(rooms) * last
        dom = ['OR', [
                ('arrival_date', 'in', dates_arrival),
                ('booking.state', 'not in', ['no_show', 'cancelled']),
            ], [
                ('departure_date', 'in', dates_departure),
                ('booking.state', 'not in', ['no_show', 'cancelled']),
            ]
        ]
        folios = cls.search_read(dom, fields_names=[
            'guests', 'arrival_date', 'nights_quantity'])
        occupation = []
        month_dates = set(dates_arrival)
        for folio in folios:
            _dates = cls._get_range_dates(folio)
            occupation.append(len(_dates & month_dates))

        value = (sum(occupation) * 100) / rooms_available
        month_name = today.strftime("%b %Y")
        value = f'{round(value, 2)}%'
        res = {
            'value': value,
            'header_meta': month_name,
        }
        return res


class FolioGuest(ModelSQL, ModelView):
    'Folio Guest'
    __name__ = 'hotel.folio.guest'
    REQ_MAIN_GUEST = {
        'required': Eval('main_guest', False)
    }
    folio = fields.Many2One('hotel.folio', 'Folio', required=True,
        ondelete='CASCADE')
    main_guest = fields.Boolean('Main Guest')
    type_guest = fields.Selection([
            ('adult', 'Adult'),
            ('child', 'Child'),
        ], 'Type Guest', required=True)
    type_guest_string = type_guest.translated('type_guest')
    nationality = fields.Many2One('country.country', 'Nationality')
    origin_country = fields.Many2One('country.country', 'Origin Country')
    target_country = fields.Many2One('country.country', 'Target Country')
    # New fields for speed reason
    type_document = fields.Selection([
        ('12', 'Tarjeta de Identidad'),
        ('13', 'Cedula de Ciudadania'),
        ('21', 'Tarjeta de Extranjeria'),
        ('22', 'Cedula de Extranjeria'),
        ('41', 'Pasaporte'),
        ], 'Document Type', required=True)
    type_document_string = type_document.translated('type_document')
    id_number = fields.Char('Id Number', select=True, required=True)
    name = fields.Char('Name', select=True, required=True)
    mobile = fields.Char('Mobile', states=REQ_MAIN_GUEST)
    email = fields.Char('Email', states=REQ_MAIN_GUEST)
    address = fields.Char('Address', states=REQ_MAIN_GUEST)
    profession = fields.Char('Profession', select=True)
    birthday = fields.Date('Birthday', select=True)
    visa_date = fields.Date('Visa Date', select=True)
    visa_category = fields.Char('Visa Category')
    visa_number = fields.Char('Visa Number')
    sex = fields.Selection([
        ('female', 'Female'),
        ('male', 'Male'),
        ('', ''),
        ], 'Sex', required=True)
    sex_string = sex.translated('sex')
    first_name = fields.Char('First Name')
    second_name = fields.Char('Second Name')
    first_family_name = fields.Char('First Family Name')
    second_family_name = fields.Char('Second Family Name')
    notes = fields.Text('Notes')
    country = fields.Many2One('party.country_code', 'Country',
        states=REQ_MAIN_GUEST)
    subdivision = fields.Many2One('party.department_code', 'Subdivision')
    city = fields.Many2One('party.city_code', 'City',
        domain=[('department', '=', Eval('subdivision'))])
    tags = fields.Many2Many('hotel.tag.guest', 'guest', 'tag', 'Tags')

    @classmethod
    def search_rec_name(cls, name, clause):
        _, operator, value = clause
        if operator.startswith('!') or operator.startswith('not '):
            bool_op = 'AND'
        else:
            bool_op = 'OR'
        domain = [
            bool_op,
            ('id_number', operator, value),
            ('name', operator, value),
            ('mobile', operator, value),
        ]
        return domain

    @classmethod
    def get_splitted_name(cls, name):
        first_name = None
        first_family_name = None
        second_name = None
        second_family_name = None
        full_names = {
            'second_family_name': None,
            'first_family_name': None,
            'second_name': None,
            'first_name': None,
        }
        if name:
            names = name.split(' ')
            first_name = names[0]
            second_family_name = names[-1]
            if len(names) > 1:
                first_family_name = names[-2]
            if len(names) == 2:
                second_family_name = None
                first_family_name = names[1]
            elif len(names) == 5:
                second_name = names[1] + ' ' + names[2]
            elif len(names) == 4:
                second_name = names[1]

        full_names['second_family_name'] = second_family_name
        full_names['first_family_name'] = first_family_name
        full_names['second_name'] = second_name
        full_names['first_name'] = first_name
        return full_names

    @fields.depends('name', 'first_name', 'second_name',
        'first_family_name', 'second_family_name')
    def on_change_name(self):
        names = self.get_splitted_name(self.name)
        self.second_family_name = names['second_family_name']
        self.first_family_name = names['first_family_name']
        self.second_name = names['second_name']
        self.first_name = names['first_name']

    @staticmethod
    def default_type_guest():
        return 'adult'

    @staticmethod
    def default_nationality():
        Config = Pool().get('hotel.configuration')
        config = Config.get_configuration()
        if config.nationality:
            return config.nationality.id

    # @staticmethod
    # def default_country():
    #     Config = Pool().get('hotel.configuration')
    #     config = Config.get_configuration()
    #     if config.country:
    #         return config.country.id

    @staticmethod
    def default_type_document():
        return '13'

    @fields.depends('nationality', 'origin_country', 'target_country')
    def on_change_nationality(self):
        if self.nationality:
            self.target_country = self.nationality.id
            self.origin_country = self.nationality.id

    @fields.depends('id_number', 'name', 'sex', 'email', 'mobile',
        'visa_number', 'visa_date', 'birthday', 'nationality')
    def on_change_id_number(self):
        if self.id_number:
            Guest = Pool().get('hotel.folio.guest')
            Party = Pool().get('party.party')
            guest = None
            guests = Guest.search([
                ('id_number', '=', self.id_number)
            ])
            if guests:
                guest = guests[0]
            else:
                parties = Party.search([
                    ('id_number', '=', self.id_number)
                ])
                if parties:
                    guest = parties[0]
            if guest:
                self.name = guest.name
                self.sex = guest.sex
                self.type_document = guest.type_document
                self.email = guest.email
                self.mobile = guest.mobile
                self.visa_number = guest.visa_number
                self.visa_date = guest.visa_date
                self.birthday = guest.birthday
                self.nationality = guest.nationality and guest.nationality.id
                self.profession = guest.profession
                self.first_name = guest.first_name
                self.second_name = guest.second_name
                self.first_family_name = guest.first_family_name
                self.second_family_name = guest.second_family_name
                address = ''
                if hasattr(guest, 'address'):
                    address = guest.address
                elif hasattr(guest, 'addresses') and guest.addresses:
                    address = guest.addresses[0].street
                self.address = address

    @classmethod
    def manage_party(cls, v):
        Party = Pool().get('party.party')
        is_main_guest = v.pop('main_guest')
        folio = v.pop('folio', None)
        for val in ('type_guest', 'origin_country', 'target_country', 'profession'):
            _ = v.pop(val, None)

        if is_main_guest:
            parties = Party.search([
                ('id_number', '=', v['id_number']),
            ])
            email = v.pop('email', '')
            mobile = v.pop('mobile', '')
            address = v.pop('address', '')
            nationality = v.pop('nationality')
            country = v.pop('country', None)
            subdivision = v.pop('subdivision', None)
            city = v.pop('city', None)
            v['type_person'] = 'persona_natural'
            _ = v.pop('tags', None)
            if not parties:
                v['contact_mechanisms'] = [
                    ('create', [
                        {'type': 'email', 'value': email},
                        {'type': 'mobile', 'value': mobile},
                    ])
                ]
                v['addresses'] = [
                    ('create', [{
                        'street': address,
                        'country_code': country,
                        'department_code': subdivision,
                        'city_code': city,
                    }])
                ]
                # FIXME add tags to party and remoce this lines
                party, = Party.create([v])
            else:
                Party.write(parties, v)
                party = parties[0]
                has_email = False
                has_mobile = False
                to_write_ad = {}
                to_write = {}
                if party.addresses:
                    for addr in party.addresses:
                        addr.street = address
                        addr.country_code = country
                        addr.department_code = subdivision
                        addr.city_code = city
                        addr.save()
                else:
                    to_write['addresses'] = [('create', [{
                        'street': address,
                        'country_code': nationality,
                    }])]

                for cm in party.contact_mechanisms:
                    if email and cm.type == 'email':
                        cm.value = email
                        has_email = True
                    elif mobile and cm.type == 'mobile':
                        cm.value = mobile
                        has_mobile = True
                    cm.save()
                to_write_cm = []
                if not has_mobile and mobile:
                    to_write_cm.append({'type': 'mobile', 'value': mobile})
                if not has_email and email:
                    to_write_cm.append({'type': 'email', 'value': email})

                if to_write_cm:
                    to_write['contact_mechanisms'] = [('create', to_write_cm)]
                if to_write:
                    Party.write(parties, to_write)

            if folio:
                Folio = Pool().get('hotel.folio')
                folio = Folio(folio)
                folio.main_guest = party.id
                folio.save()
                booking = folio.booking
                if not booking.party:
                    booking.party = party.id
                    booking.save()

    @classmethod
    def create(cls, vlist):
        for values in vlist:
            first_name = values.get('first_name', None)
            if not first_name:
                names = cls.get_splitted_name(values['name'])
                values.update(names)
        res = super(FolioGuest, cls).create(vlist)

        for v in vlist:
            cls.manage_party(v)
        return res

    @classmethod
    def write(cls, records, values):
        super(FolioGuest, cls).write(records, values)
        fields = cls.fields_get()
        for val in ('id', 'rec_name', 'write_date', 'write_uid', 'create_date'):
            fields.pop(val)
        data = {}
        fields_list = fields.keys()
        rec = records[0]
        for field in fields_list:
            data[field] = getattr(rec, field)

        data.update(values)
        cls.manage_party(data)


class FolioCharge(Workflow, ModelSQL, ModelView):
    'Folio Charge'
    __name__ = 'hotel.folio.charge'
    folio = fields.Many2One('hotel.folio', 'Folio', required=True)
    date_service = fields.Date('Date Service', select=True, required=True)
    product = fields.Many2One('product.product', 'Product',
        domain=[('salable', '=', True)], required=True)
    quantity = fields.Integer('Quantity', required=True)
    invoice_to = fields.Many2One('party.party', 'Invoice To')
    unit_price = fields.Numeric('Unit Price', digits=(16, 4),
        required=True)
    unit_price_w_tax = fields.Function(fields.Numeric('Unit Price'),
        'get_unit_price_w_tax')
    order = fields.Char('Order', select=True)
    description = fields.Char('Description', select=True, depends=['product'])
    state = fields.Selection(INVOICE_STATES, 'State', readonly=True)
    state_string = state.translated('state')
    invoice_line = fields.Many2One('account.invoice.line', 'Invoice Line',
        readonly=True)
    amount = fields.Function(fields.Numeric('Amount',
        digits=(16, 2)), 'get_amount')
    taxed_amount = fields.Function(fields.Numeric('Amount with Tax',
        digits=(16, 2)), 'get_taxed_amount')
    # Remove for deprecation
    to_invoice = fields.Boolean('To Invoice', states={
            'invisible': Bool(Eval('invoice_line')),
        }, depends=['invoice_line'])
    ####################
    storage = fields.Many2One('stock.location', 'Storage',
        domain=[('type', '=', 'storage')], states={
            'readonly': Bool(Eval('invoice_line')),
        })
    move = fields.Many2One('stock.move', 'Move')
    status = fields.Selection([
        ('paid', 'Paid'),
        ('pending', 'Pending'),
        ], 'Status', help="Status of payment")

    @classmethod
    def delete(cls, records):
        target = []
        for rec in records:
            if rec.invoice_line or rec.move:
                continue
            target.append(rec)
        super().delete(target)

    @classmethod
    def __setup__(cls):
        super(FolioCharge, cls).__setup__()
        cls._buttons.update({
            # 'transfer': {
            #     'invisible': True,
            # },
            'bill': {
                'invisible': Eval('invoice_state') is not None,
            },
        })

    @classmethod
    def check_create(cls, vlist):
        Folio = Pool().get('hotel.folio')
        for value in vlist:
            folio_id = value.get('folio', None)
            if folio_id:
                folio = Folio(folio_id)
                if folio.charges_blocked:
                    raise UserError(gettext('hotel.msg_folio_charges_blocked'))

    @classmethod
    def create(cls, vlist):
        cls.check_create(vlist)
        return super().create(vlist)

    @staticmethod
    def default_quantity():
        return 1

    @staticmethod
    def default_status():
        return 'pending'

    @staticmethod
    def default_to_invoice():
        return True

    @staticmethod
    def default_date_service():
        today = Pool().get('ir.date').today()
        return today

    def get_amount(self, name=None):
        if self.quantity and self.unit_price:
            return self.quantity * self.unit_price_w_tax
        return 0

    def get_unit_price_w_tax(self, name=None):
        Tax = Pool().get('account.tax')
        res = self.unit_price or 0
        if self.unit_price:
            values = Tax.compute(self.product.template.customer_taxes_used,
                self.unit_price, 1)
            if values:
                value = values[0]
                res = value['base'] + value['amount']
        return res

    def do_stock_move(self, name=None):
        pool = Pool()
        Location = pool.get('stock.location')
        Move = pool.get('stock.move')
        Config = Pool().get('hotel.configuration')
        # FIXME add origin

        locs_customer = Location.search([
            ('type', '=', 'customer')
        ])
        customer_loc_id = locs_customer[0].id

        config = Config.get_configuration()
        if not self.storage and config.storage_by_default:
            storage_id = config.storage_by_default.id
        else:
            storage_id = self.storage.id

        move, = Move.create([{
            'product': self.product.id,
            'effective_date': self.date_service,
            'quantity': self.quantity,
            'unit_price': self.product.cost_price,
            'uom': self.product.default_uom.id,
            'from_location': storage_id,
            'to_location': customer_loc_id,
            'origin': str(self),
        }])
        self.move = move.id
        Move.do([move])
        self.save()

    def get_taxed_amount(self, name=None):
        if self.quantity and self.unit_price:
            return self.quantity * self.unit_price

    @classmethod
    @ModelView.button
    def bill(cls, records):
        cls.create_sales(records)

    # @classmethod
    # @ModelView.button_action('hotel.wizard_operation_line_transfer')
    # def transfer(cls, records):
    #     pass

    @fields.depends('unit_price', 'folio', 'product', 'description',
        '_parent_folio.main_guest')
    def on_change_product(self):
        if self.product:
            self.unit_price = self.product.template.list_price
            self.description = self.product.template.name


class OpenMigrationStart(ModelView):
    'Open Migration Start'
    __name__ = 'hotel.open_migration.start'
    start_date = fields.Date('Start Date', required=True)
    end_date = fields.Date('End Date', required=True)
    company = fields.Many2One('company.company', 'Company', required=True)

    @staticmethod
    def default_company():
        return Transaction().context.get('company')


class OpenMigration(Wizard):
    'Open Migration'
    __name__ = 'hotel.open_migration'
    start = StateView(
        'hotel.open_migration.start',
        'hotel.open_migration_start_view_form', [
            Button('Cancel', 'end', 'tryton-cancel'),
            Button('Open', 'print_', 'tryton-print', default=True),
        ])
    print_ = StateAction('hotel.report_migration')

    def do_print_(self, action):
        data = {
            'start_date': self.start.start_date,
            'end_date': self.start.end_date,
            'company': self.start.company.id,
        }
        return action, data

    def transition_print_(self):
        return 'end'


class Migration(Report):
    'Hotel Migration'
    __name__ = 'hotel.migration'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        pool = Pool()
        Folio = pool.get('hotel.folio')
        Company = pool.get('company.company')
        records = Folio.search([
            ('arrival_date', '>=', data['start_date']),
            ('arrival_date', '<=', data['end_date']),
            ('main_guest', '!=', None),
            ('registration_state', 'in', ['check_in', 'check_out']),
        ], order=[('arrival_date', 'ASC')])
        end_date = data['end_date']
        _records = []
        company = Company(data['company'])
        mig_code = company.mig_code
        city_code = company.city_code
        for folio in records:
            for guest in folio.guests:
                for move in ('E', 'S'):
                    if move == 'S' and folio.departure_date > end_date:
                        continue

                    if move == 'E':
                        move_date = folio.arrival_date
                    else:
                        move_date = folio.departure_date

                    if not all([
                            guest.origin_country,
                            guest.target_country,
                            guest.nationality
                            ]):
                        continue
                    _records.append({
                        'mig_code': mig_code,
                        'city_code': city_code,
                        'type_doc': guest.type_document,
                        'id_number': guest.id_number,
                        'nationality': guest.nationality.code_numeric,
                        'first_family_name': guest.first_family_name,
                        'second_family_name': guest.second_family_name,
                        'first_name': guest.first_name,
                        'move': move,
                        'move_date': move_date,
                        'origin': guest.origin_country.code_numeric,
                        'target': guest.target_country.code_numeric,
                        'birthday': guest.birthday,
                    })
        report_context['records'] = _records
        return report_context


class OperationReport(Report):
    __name__ = 'hotel.operation'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        user = Pool().get('res.user')(Transaction().user)
        report_context['company'] = user.company
        return report_context


class CheckOutOperationFailed(ModelView):
    'Check Out Operation Failed'
    __name__ = 'hotel.operation.check_out.failed'


class CheckOutOperation(Wizard):
    'Check Out Operation'
    __name__ = 'hotel.operation.check_out'
    start = StateTransition()
    failed = StateView(
        'hotel.operation.check_out.failed',
        'hotel.operation_check_out_failed_view_form', [
            Button('Force Check Out', 'force', 'tryton-forward'),
            Button('Cancel', 'end', 'tryton-cancel', True),
        ])
    force = StateTransition()

    def transition_start(self):
        Operation = Pool().get('hotel.operation')
        active_id = Transaction().context['active_id']
        operations = Operation.browse([active_id])
        if Operation.validate_check_out_date(operations):
            return 'end'
        else:
            return 'failed'

    def transition_force(self):
        Operation = Pool().get('hotel.operation')
        active_id = Transaction().context['active_id']
        operations = Operation.browse([active_id])
        Operation.check_out(operations)
        return 'end'


class ChangeRoomStart(ModelView):
    'Change Room'
    __name__ = 'hotel.operation.change_room.ask'
    from_date = fields.Date('From Date', required=True)
    room = fields.Many2One('hotel.room', 'Room', required=True, domain=[
        # ('id', 'in', Eval('targets')),
    ])
    accommodation = fields.Many2One('product.product', 'Accommodation',
        domain=[
            ('template.kind', '=', 'accommodation'),
        ], required=True)
    targets = fields.Function(fields.Many2Many('hotel.room', None, None,
        'Targets'), 'on_change_with_targets')
    tranfer_charges = fields.Boolean('Transfer Charges')

    @staticmethod
    def default_from_date():
        today = Pool().get('ir.date').today()
        return today

    @fields.depends('from_date', 'accommodation')
    def on_change_with_targets(self, name=None):
        pool = Pool()
        Operation = pool.get('hotel.operation')
        RoomTemplate = pool.get('hotel.room-product.template')
        operation = Operation(Transaction().context.get('active_id'))
        res = []
        acco = self.accommodation
        if not acco or not self.from_date:
            return res

        room_templates = RoomTemplate.search([
            ('template.accommodation_capacity', '>=', acco.accommodation_capacity)
        ])
        rooms_ids = [t.room.id for t in room_templates]

        rooms_available_ids = Operation.get_available_rooms(
            self.from_date,
            operation.end_date,
            rooms_ids=rooms_ids
        )

        return rooms_available_ids


class ChangeRoom(Wizard):
    'Change Room'
    __name__ = 'hotel.folio.change_room'
    """
    this is the wizard that allows the front desk employee to transfer
    original room, and create a new operation occupany.
    """
    start = StateView(
        'hotel.folio.change_room.ask',
        'hotel.folio_change_room_view_form', [
            Button('Cancel', 'end', 'tryton-cancel'),
            Button('Change', 'change', 'tryton-ok'),
        ]
    )
    change = StateTransition()

    def transition_change(self):
        # pool = Pool()
        # Folio = pool.get('hotel.folio')
        # operation = Folio(Transaction().context.get('active_id'))
        # new_operation = {
        #     'reference': operation.reference,
        #     'room': self.start.room.id,
        #     'start_date': self.start.from_date,
        #     'end_date': operation.end_date,
        #     'party': operation.party.id,
        #     'currency': operation.currency.id,
        #     'company': operation.company.id,
        #     'kind': operation.kind,
        #     'main_guest': operation.main_guest.id,
        #     'accommodation': self.start.accommodation.id,
        #     'origin': str(operation.origin),
        #     'state': 'open',
        #     'unit_price': operation.unit_price,
        #     'lines': []
        # }
        # lines_to_transfer = []
        # _operation, = Operation.create([new_operation])
        # if self.start.tranfer_charges:
        #     for line in operation.lines:
        #         if line.state is None:
        #             lines_to_transfer.append(line)
        #
        #
        # operation.end_date = self.start.from_date
        # operation.state = 'closed'
        # operation.target = _operation.id
        # operation.save()
        return 'end'


class TransferOperationStart(ModelView):
    'Transfer Operation'
    __name__ = 'hotel.folio.transfer_operation.ask'
    folio = fields.Many2One('hotel.folio', 'Folio', required=True, domain=[
        ('state', 'in', ['draft', 'open']),
    ])
    tranfer_charges = fields.Boolean('Transfer Charges')

    @staticmethod
    def default_tranfer_charges():
        return True


class TransferOperation(Wizard):
    'Transfer Operation'
    __name__ = 'hotel.folio.transfer_operation'
    """
    this is the wizard that allows the front desk employee to transfer
    original room, and create a new operation occupany.
    """
    start = StateView(
        'hotel.folio.transfer_operation.ask',
        'hotel.folio_transfer_operation_view_form', [
            Button('Cancel', 'end', 'tryton-cancel'),
            Button('Transfer', 'transfer', 'tryton-ok'),
        ]
    )
    transfer = StateTransition()

    def transition_transfer(self):
        pool = Pool()
        Operation = pool.get('hotel.folio')
        FolioCharge = pool.get('hotel.folio.charge')
        current_op = Operation(Transaction().context.get('active_id'))
        target_op = self.start.folio
        if target_op.id == current_op.id:
            raise AccessError(gettext('hotel.msg_folio_current'))

        lines_to_transfer = []
        if self.start.tranfer_charges:
            for line in current_op.lines:
                if line.state is None:
                    lines_to_transfer.append(line)

        if lines_to_transfer:
            FolioCharge.write(lines_to_transfer, {
                'operation': target_op.id
            })

        current_op.state = 'transfered'
        current_op.operation_target = target_op.id
        current_op.save()
        target_op.save()
        return 'end'


class OperationByConsumerReport(Report):
    __name__ = 'hotel.folio.charge'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        pool = Pool()
        Folio = pool.get('hotel.folio')
        user = pool.get('res.user')(Transaction().user)
        consumer_lines = []
        total_amount = 0
        if records:
            line = records[0]
            folio = Folio(line.folio.id)
            total_amount = folio.room_amount
            for ch in folio.lines:
                if ch.invoice_to and ch.invoice_to.id == line.invoice_to.id:
                    consumer_lines.append(l)
                    total_amount += l.amount
            setattr(folio, 'lines', consumer_lines)
            setattr(folio, 'total_amount', total_amount)

        report_context['records'] = [folio]
        report_context['company'] = user.company
        return report_context


class OperationBill(Wizard):
    'Operation Bill'
    __name__ = 'hotel.folio.bill'
    start_state = 'create_bill'
    create_bill = StateTransition()

    def transition_create_bill(self):
        Folio = Pool().get('hotel.folio')
        ids = Transaction().context['active_ids']
        folios = Folio.browse(ids)
        Folio.bill(folios)
        return 'end'


class OperationVoucher(ModelSQL):
    'Operation - Voucher'
    __name__ = 'hotel.folio-account.voucher'
    _table = 'folio_vouchers_rel'
    folio = fields.Many2One('hotel.folio', 'Folio', ondelete='CASCADE',
        required=True)
    voucher = fields.Many2One('account.voucher', 'Voucher', required=True,
        domain=[('voucher_type', '=', 'receipt')], ondelete='RESTRICT')

    @classmethod
    def set_voucher_origin(cls, voucher_id, folio_id):
        cls.create([{
            'voucher': voucher_id,
            'folio': folio_id,
        }])


class ReverseCheckout(Wizard):
    'Reverse Checkout'
    __name__ = 'hotel.folio.reverse_checkout'
    start_state = 'reverse_checkout'
    reverse_checkout = StateTransition()

    def transition_reverse_checkout(self):
        Folio = Pool().get('hotel.folio')
        folio_id = Transaction().context['active_id']
        if folio_id:
            Folio.check_in([Folio(folio_id)])
        return 'end'


class FolioStockMove(ModelSQL):
    'Folio - Stock Move'
    __name__ = 'hotel.folio-stock.move'
    _table = 'hotel_folio_stock_move_rel'
    folio = fields.Many2One('hotel.folio', 'Folio',
        ondelete='CASCADE', select=True, required=True)
    move = fields.Many2One('stock.move', 'Move', select=True,
        ondelete='RESTRICT', required=True)


class StatisticsByMonthStart(ModelView):
    'Statistics By Month Start'
    __name__ = 'hotel.statistics_by_month.start'
    period = fields.Many2One('account.period', 'Period', required=True)
    company = fields.Many2One('company.company', 'Company', required=True)

    @staticmethod
    def default_company():
        return Transaction().context.get('company')


class StatisticsByMonth(Wizard):
    'Statistics By Month'
    __name__ = 'hotel.statistics_by_month'
    start = StateView(
        'hotel.statistics_by_month.start',
        'hotel.print_hotel_statistics_by_month_start_view_form', [
            Button('Cancel', 'end', 'tryton-cancel'),
            Button('Open', 'print_', 'tryton-print', default=True),
        ])
    print_ = StateAction('hotel.statistics_by_month_report')

    def do_print_(self, action):
        data = {
            'period': self.start.period.id,
            'company': self.start.company.id,
        }
        return action, data

    def transition_print_(self):
        return 'end'


class StatisticsByMonthReport(Report):
    'Hotel Statistics By Month'
    __name__ = 'hotel.statistics_by_month.report'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        Operation = Pool().get('hotel.folio')
        Period = Pool().get('account.period')
        Company = Pool().get('company.company')
        Rooms = Pool().get('hotel.room')
        period = Period(data['period'])
        company = Company(data['company'])
        month_days = (period.end_date - period.start_date).days + 1
        rooms_available = []
        rooms_sold = []
        beds_available = []
        beds_sold = []
        local_guests = []
        foreign_guests = []
        room1_sold = []
        room2_sold = []
        room_suite_sold = []
        room_other_sold = []
        guests_one_ng = []
        guests_two_ng = []
        guests_three_ng = []
        guests_four_ng = []
        guests_five_ng = []
        guests_six_ng = []
        guests_seven_ng = []
        guests_eight_ng = []
        guests_permanent_ng = []
        reason_bussiness = []
        reason_bussiness_foreign = []
        reason_leisure = []
        reason_leisure_foreign = []
        reason_convention = []
        reason_convention_foreign = []
        reason_health = []
        reason_health_foreign = []
        reason_transport = []
        reason_transport_foreign = []
        reason_other = []
        reason_other_foreign = []
        total_guests = []
        folios = Operation.search(['OR', [
                ('start_date', '>=', period.start_date),
                ('start_date', '<=', period.end_date),
                ('kind', '=', 'occupancy'),
            ], [
                ('end_date', '>=', period.start_date),
                ('end_date', '<=', period.end_date),
                ('kind', '=', 'occupancy'),
            ]
        ])
        rooms = Rooms.search([])
        rooms_available = [len(rooms) * month_days]
        for r in rooms:
            beds_available.append(
                r.main_accommodation.accommodation_capacity * month_days
            )

        def _get_ctx_dates(op):
            start_date = op.start_date
            end_date = op.end_date
            if op.start_date < period.start_date:
                start_date = period.start_date
            if op.end_date > period.end_date:
                end_date = period.end_date

            sub_dates = [
                str(start_date + timedelta(n))
                for n in range((end_date - start_date).days)
            ]
            return sub_dates

        for op in folios:
            room_capacity = op.room.main_accommodation.accommodation_capacity
            ctx_dates = _get_ctx_dates(op)
            len_ctx_dates = len(ctx_dates)
            rooms_sold.append(len_ctx_dates)
            beds_sold.append(len_ctx_dates * room_capacity)
            qty_guests = len(op.guests)
            if not qty_guests:
                qty_guests = 1
            total_guests.append(qty_guests)
            is_local = True
            if op.main_guest.type_document == '41':
                is_local = False
                foreign_guests.append(qty_guests)
            else:
                local_guests.append(qty_guests)

            if room_capacity == 1:
                room1_sold.append(qty_guests)
            elif room_capacity == 2:
                room2_sold.append(qty_guests)
            elif room_capacity > 2:
                room_suite_sold.append(qty_guests)

            if len_ctx_dates == 1:
                guests_one_ng.append(qty_guests)
            elif len_ctx_dates == 2:
                guests_two_ng.append(qty_guests)
            elif len_ctx_dates == 3:
                guests_three_ng.append(qty_guests)
            elif len_ctx_dates == 4:
                guests_four_ng.append(qty_guests)
            elif len_ctx_dates == 5:
                guests_five_ng.append(qty_guests)
            elif len_ctx_dates == 6:
                guests_six_ng.append(qty_guests)
            elif len_ctx_dates == 7:
                guests_seven_ng.append(qty_guests)
            elif len_ctx_dates >= 8:
                guests_eight_ng.append(qty_guests)

            segment = 'bussiness'
            if op.origin:
                if hasattr(op.origin, 'booking'):
                    segment = op.origin.booking.segment

            if segment == 'bussiness':
                if is_local:
                    reason_bussiness.append(qty_guests)
                else:
                    reason_bussiness_foreign.append(qty_guests)
            elif segment == 'convention':
                if is_local:
                    reason_convention.append(qty_guests)
                else:
                    reason_convention_foreign.append(qty_guests)
            elif segment == 'health':
                if is_local:
                    reason_health.append(qty_guests)
                else:
                    reason_health_foreign.append(qty_guests)
            else:
                if is_local:
                    reason_leisure.append(qty_guests)
                else:
                    reason_leisure_foreign.append(qty_guests)

        def _get_rate(val):
            res = 0
            if sum_total_guests > 0:
                res = round(float(sum(val)) / sum_total_guests, 4)
            return res

        sum_total_guests = sum(total_guests)
        rate_guests_one_ng = _get_rate(guests_one_ng)
        rate_guests_two_ng = _get_rate(guests_two_ng)
        rate_guests_three_ng = _get_rate(guests_three_ng)
        rate_guests_four_ng = _get_rate(guests_four_ng)
        rate_guests_five_ng = _get_rate(guests_five_ng)
        rate_guests_six_ng = _get_rate(guests_six_ng)
        rate_guests_seven_ng = _get_rate(guests_seven_ng)
        rate_guests_eight_ng = _get_rate(guests_eight_ng)

        report_context['period'] = period.name
        report_context['company'] = company.party.name
        report_context['rooms_available'] = sum(rooms_available)
        report_context['rooms_sold'] = sum(rooms_sold)
        report_context['beds_available'] = sum(beds_available)
        report_context['beds_sold'] = sum(beds_sold)
        report_context['local_guests'] = sum(local_guests)
        report_context['foreign_guests'] = sum(foreign_guests)
        report_context['room1_sold'] = sum(room1_sold)
        report_context['room2_sold'] = sum(room2_sold)
        report_context['room_suite_sold'] = sum(room_suite_sold)
        report_context['room_other_sold'] = sum(room_other_sold)
        report_context['guests_one_ng'] = rate_guests_one_ng
        report_context['guests_two_ng'] = rate_guests_two_ng
        report_context['guests_three_ng'] = rate_guests_three_ng
        report_context['guests_four_ng'] = rate_guests_four_ng
        report_context['guests_five_ng'] = rate_guests_five_ng
        report_context['guests_six_ng'] = rate_guests_six_ng
        report_context['guests_seven_ng'] = rate_guests_seven_ng
        report_context['guests_eight_ng'] = rate_guests_eight_ng
        report_context['guests_permanent_ng'] = sum(guests_permanent_ng)
        report_context['reason_bussiness'] = sum(reason_bussiness)
        report_context['reason_bussiness_foreign'] = sum(reason_bussiness_foreign)
        report_context['reason_leisure'] = sum(reason_leisure)
        report_context['reason_leisure_foreign'] = sum(reason_leisure_foreign)
        report_context['reason_convention'] = sum(reason_convention)
        report_context['reason_convention_foreign'] = sum(reason_convention_foreign)
        report_context['reason_health'] = sum(reason_health)
        report_context['reason_health_foreign'] = sum(reason_health_foreign)
        report_context['reason_transport'] = sum(reason_transport)
        report_context['reason_transport_foreign'] = sum(reason_transport_foreign)
        report_context['reason_other_foreign'] = sum(reason_other_foreign)
        report_context['reason_other'] = sum(reason_other)

        return report_context


class GuestsListStart(ModelView):
    'Guests List Start'
    __name__ = 'hotel.print_guests_list.start'
    date = fields.Date('Date', required=True)
    company = fields.Many2One('company.company', 'Company', required=True)

    @staticmethod
    def default_date():
        Date_ = Pool().get('ir.date')
        return Date_.today()

    @staticmethod
    def default_company():
        return Transaction().context.get('company')


class GuestsList(Wizard):
    'Guests List'
    __name__ = 'hotel.print_guests_list'
    start = StateView(
        'hotel.print_guests_list.start',
        'hotel.print_guests_list_start_view_form', [
            Button('Cancel', 'end', 'tryton-cancel'),
            Button('Open', 'print_', 'tryton-print', default=True),
        ])
    print_ = StateReport('hotel.guests_list.report')

    def do_print_(self, action):
        company = self.start.company
        data = {
            'date': self.start.date,
            'company': company.id,
        }
        return action, data

    def transition_print_(self):
        return 'end'


class GuestsListReport(Report):
    __name__ = 'hotel.guests_list.report'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        pool = Pool()
        Company = pool.get('company.company')
        Folio = pool.get('hotel.folio')
        Room = pool.get('hotel.room')
        User = pool.get('res.user')
        user_id = Transaction().user

        user = User(user_id)
        # start_date = data['date']
        if data['date'] == date.today():
            dom = ['OR', [
                    ('arrival_date', '=', data['date']),
                    ('registration_state', '=', 'check_in'),
                ], [
                    ('departure_date', '=', data['date']),
                    ('registration_state', '=', 'check_in'),
                ], [
                    ('arrival_date', '<=', data['date']),
                    ('departure_date', '>=', data['date']),
                    ('registration_state', '=', 'check_in'),
                ]
            ]
        else:
            dom = [
                    ('arrival_date', '<=', data['date']),
                    ('departure_date', '>=', data['date']),
                ]
        folios = Folio.search(dom, order=[('room.code', 'ASC')])

        total_guests = []
        rooms_occupied = []
        for op in folios:
            total_guests.append(len(op.guests))
            rooms_occupied.append(op.room.id)

        rooms = Room.search_read([])

        _rooms_occupied = len(set(rooms_occupied))
        num_rooms = len(rooms)
        if num_rooms:
            occupancy_rate = round(_rooms_occupied / num_rooms, 2)
        else:
            occupancy_rate = 0

        guests = []
        for op in folios:
            for guest in op.guests:
                guests.append({
                    'room': op.room.code,
                    'guest': guest.name,
                    'party': op.booking.party.name if op.booking.party else '',
                    'arrival_date': op.arrival_date,
                    'departure_date': op.departure_date,
                    'nights_quantity': op.nights_quantity,
                })
        report_context['records'] = guests
        report_context['total_rooms'] = _rooms_occupied
        report_context['total_guests'] = sum(total_guests)
        report_context['occupancy_rate'] = occupancy_rate
        report_context['company'] = Company(data['company'])
        report_context['date'] = data['date']
        report_context['print_date'] = datetime.now()
        report_context['user'] = user.name
        return report_context


class RegistrationCardReport(Report):
    __name__ = 'hotel.folio.registration_card'

    @classmethod
    def get_context(cls, records, header, data):
        report_context = super().get_context(records, header, data)
        user = Pool().get('res.user')(Transaction().user)
        report_context['company'] = user.company
        _records = []
        for rec in records:
            if not rec.registration_card:
                continue
            _records.append(rec)
        report_context['records'] = _records
        return report_context


class HotelFolioTax(ModelSQL):
    'Hotel Folio - Tax'
    __name__ = 'hotel.folio-account.tax'
    _table = 'hotel_folio_account_tax'
    folio = fields.Many2One('hotel.folio', 'Folio', ondelete='CASCADE',
        required=True)
    tax = fields.Many2One('account.tax', 'Tax', ondelete='RESTRICT',
        required=True)