//
//  SettingsTableViewController.m
//  Signal
//
//  Created by Dylan Bourgeois on 03/11/14.
//  Copyright (c) 2014 Open Whisper Systems. All rights reserved.
//

#import "SettingsTableViewController.h"

#import "TSAccountManager.h"
#import "Environment.h"
#import "PreferencesUtil.h"
#import "UIUtil.h"

#import "RPServerRequestsManager.h"

#import "TSSocketManager.h"

#import "ContactsManager.h"

#import "PrivacySettingsTableViewController.h"
#import "AdvancedSettingsTableViewController.h"
#import "AboutTableViewController.h"
#import "PushManager.h"
#import "NotificationSettingsViewController.h"

#define kProfileCellHeight      87.0f
#define kStandardCellHeight     44.0f

#define kNumberOfSections       4

#define kRegisteredNumberRow 0
#define kPrivacyRow          0
#define kNotificationRow     1
#define kAdvancedRow         2
#define kAboutRow            3
#define kNetworkRow          0
#define kUnregisterRow       0

typedef enum {
    kRegisteredRows    = 1,
    kGeneralRows       = 4,
    kNetworkStatusRows = 1,
    kUnregisterRows    = 1,
} kRowsForSection;

typedef enum {
    kRegisteredNumberSection=0,
    kNetworkStatusSection=1,
    kGeneralSection=2,
    kUnregisterSection=3,
} kSection;

@interface SettingsTableViewController () <UIAlertViewDelegate>

@end

@implementation SettingsTableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self.navigationController.navigationBar setTranslucent:NO];
    
    self.tableView.tableFooterView = [[UIView alloc]initWithFrame:CGRectZero];
    self.registeredNumber.text     = [PhoneNumber bestEffortFormatPartialUserSpecifiedTextToLookLikeAPhoneNumber:[TSAccountManager registeredNumber]];
    [self findAndSetRegisteredName];
    
    [self initializeObserver];
    [TSSocketManager sendNotification];
    
    self.title = NSLocalizedString(@"SETTINGS_NAV_BAR_TITLE",@"");
    _networkStatusHeader.text = NSLocalizedString(@"NETWORK_STATUS_HEADER",@"");
    _settingsPrivacyTitle.text = NSLocalizedString(@"SETTINGS_PRIVACY_TITLE",@"");
    _settingsAdvancedTitle.text = NSLocalizedString(@"SETTINGS_ADVANCED_TITLE",@"");
    _settingsAboutTitle.text  = NSLocalizedString(@"SETTINGS_ABOUT",@"");
    _settingsNotifications.text = NSLocalizedString(@"SETTINGS_NOTIFICATIONS", nil);
    [_destroyAccountButton setTitle:NSLocalizedString(@"SETTINGS_DELETE_ACCOUNT_BUTTON", @"") forState:UIControlStateNormal];
}

-(void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self name:SocketOpenedNotification object:nil];
    [[NSNotificationCenter defaultCenter] removeObserver:self name:SocketClosedNotification object:nil];
    [[NSNotificationCenter defaultCenter] removeObserver:self name:SocketConnectingNotification object:nil];
}

-(void) findAndSetRegisteredName {
    NSString *name = NSLocalizedString(@"REGISTERED_NUMBER_TEXT", @"");
    PhoneNumber* myNumber = [PhoneNumber phoneNumberFromE164:[TSAccountManager registeredNumber]];
    Contact *me  = [[Environment.getCurrent contactsManager] latestContactForPhoneNumber:myNumber];
    self.registeredName.text = [me fullName] ? [me fullName] : name;
}
#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return kNumberOfSections;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    switch (section) {
        case kRegisteredNumberSection:
            return kRegisteredRows;
        case kGeneralSection:
            return kGeneralRows;
        case kNetworkStatusSection:
            return kNetworkStatusRows;
        case kUnregisterSection:
            return kUnregisterRows;
        default:
            return 0;
    }
}


-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    
    switch (indexPath.section) {
        case kGeneralSection:
        {
            switch (indexPath.row) {
                case kPrivacyRow:
                {
                    PrivacySettingsTableViewController *vc = [[PrivacySettingsTableViewController alloc]init];
                    NSAssert(self.navigationController != nil, @"Navigation controller must not be nil");
                    NSAssert(vc != nil, @"Privacy Settings View Controller must not be nil");
                    [self.navigationController pushViewController:vc animated:YES];
                    break;
                }
                case kNotificationRow:
                {
                    NotificationSettingsViewController *vc = [[NotificationSettingsViewController alloc] init];
                    [self.navigationController pushViewController:vc animated:YES];
                    break;
                }
                case kAdvancedRow:
                {
                    AdvancedSettingsTableViewController *vc = [[AdvancedSettingsTableViewController alloc]init];
                    NSAssert(self.navigationController != nil, @"Navigation controller must not be nil");
                    NSAssert(vc != nil, @"Advanced Settings View Controller must not be nil");
                    [self.navigationController pushViewController:vc animated:YES];
                    break;
                }
                case kAboutRow:
                {
                    AboutTableViewController * vc = [[AboutTableViewController alloc]init];
                    NSAssert(self.navigationController != nil, @"Navigation controller must not be nil");
                    NSAssert(vc != nil, @"About View Controller must not be nil");
                    [self.navigationController pushViewController:vc animated:YES];
                    break;
                }
                default:
                    break;
            }
            
            break;
        }
            
        case kNetworkStatusSection:
        {
            break;
        }
            
        case kUnregisterSection:
        {
            [self unregisterUser:nil];
            break;
        }
            
        default:
            break;
    }
}


-(IBAction)unregisterUser:(id)sender {

    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"CONFIRM_ACCOUNT_DESTRUCTION_TITLE", @"")                                                                             message:NSLocalizedString(@"CONFIRM_ACCOUNT_DESTRUCTION_TEXT", @"") preferredStyle:UIAlertControllerStyleAlert];
    [alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"PROCEED_BUTTON", @"") style:UIAlertActionStyleDestructive handler:^(UIAlertAction *action) {
        [self proceedToUnregistration];
    }]];
    [alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"TXT_CANCEL_TITLE", @"") style:UIAlertActionStyleCancel handler:nil]];
    
    [self presentViewController:alertController animated:YES completion:nil];
}

- (void)proceedToUnregistration{
    [TSAccountManager unregisterTextSecureWithSuccess:^{
        [PushManager.sharedManager requestPushTokenWithSuccess:^(NSData* pushToken, NSData *voipToken){
            [[RPServerRequestsManager sharedInstance]performRequest:[RPAPICall unregisterWithPushToken:pushToken] success:^(NSURLSessionDataTask *task, id responseObject) {
                [Environment resetAppData];
                exit(0);
            } failure:^(NSURLSessionDataTask *task, NSError *error) {
                SignalAlertView(NSLocalizedString(@"UNREGISTER_REDPHONE_FAIL", @""), @"");
            }];
        } failure:^(NSError *error) {
            SignalAlertView(NSLocalizedString(@"UNREGISTER_REDPHONE_FAIL", @""), @"");
        }];
    } failure:^(NSError *error) {
        SignalAlertView(NSLocalizedString(@"UNREGISTER_TEXTSECURE_FAIL", @""), @"");
    }];
}

-(void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath
{
    if (indexPath.section == kNetworkStatusSection) {
        UIAlertView * info = [[UIAlertView alloc]initWithTitle:NSLocalizedString(@"NETWORK_STATUS_HEADER", @"") message:NSLocalizedString(@"NETWORK_STATUS_TEXT",@"") delegate:self cancelButtonTitle:NSLocalizedString(@"OK",@"") otherButtonTitles: nil];
        [info show];
    }
}

#pragma mark - Socket Status Notifications

-(void)initializeObserver
{
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(socketDidOpen)      name:SocketOpenedNotification object:nil];
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(socketDidClose)     name:SocketClosedNotification object:nil];
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(socketIsConnecting) name:SocketConnectingNotification object:nil];
}

-(void)socketDidOpen {
    self.networkStatusLabel.text = NSLocalizedString(@"NETWORK_STATUS_CONNECTED", @"");
    self.networkStatusLabel.textColor = [UIColor ows_greenColor];
}

-(void)socketDidClose {
    self.networkStatusLabel.text = NSLocalizedString(@"NETWORK_STATUS_OFFLINE", @"");
    self.networkStatusLabel.textColor = [UIColor ows_redColor];
}

-(void)socketIsConnecting {
    self.networkStatusLabel.text = NSLocalizedString(@"NETWORK_STATUS_CONNECTING", @"");
    self.networkStatusLabel.textColor = [UIColor ows_yellowColor];
}

- (IBAction)unwindToUserCancelledChangeNumber:(UIStoryboardSegue *)segue {
    
}

@end