import os, sys
update_after_shutdown = False # If set True then update and restart zeronet after main loop ended

# Create necessary files and dirs
if not os.path.isdir("log"): os.mkdir("log")
if not os.path.isdir("data"): os.mkdir("data")
if not os.path.isfile("data/sites.json"): open("data/sites.json", "w").write("{}")
if not os.path.isfile("data/users.json"): open("data/users.json", "w").write("{}")

# Load config
from Config import config


# Setup logging
import logging
if config.action == "main":
	if os.path.isfile("log/debug.log"):  # Simple logrotate
		if os.path.isfile("log/debug-last.log"): os.unlink("log/debug-last.log")
		os.rename("log/debug.log", "log/debug-last.log")
	logging.basicConfig(format='[%(asctime)s] %(levelname)-8s %(name)s %(message)s', level=logging.DEBUG, filename="log/debug.log")
else:
	logging.basicConfig(level=logging.DEBUG, stream=open(os.devnull,"w")) # No file logging if action is not main

# Console logger
console_log = logging.StreamHandler()
if config.action == "main": # Add time if main action
	console_log.setFormatter(logging.Formatter('[%(asctime)s] %(name)s %(message)s', "%H:%M:%S"))
else:
	console_log.setFormatter(logging.Formatter('%(name)s %(message)s', "%H:%M:%S"))

logging.getLogger('').addHandler(console_log) # Add console logger
logging.getLogger('').name = "-" # Remove root prefix


# Debug dependent configuration
from Debug import DebugHook
if config.debug:
	console_log.setLevel(logging.DEBUG) # Display everything to console
	from gevent import monkey; monkey.patch_all(thread=False) # thread=False because of pyfilesystem
else:
	console_log.setLevel(logging.INFO) # Display only important info to console
	from gevent import monkey; monkey.patch_all() # Make time, thread, socket gevent compatible


import gevent
import time


# Log current config
logging.debug("Config: %s" % config)


# Load plugins
from Plugin import PluginManager
PluginManager.plugin_manager.loadPlugins()


# -- Actions --

# Starts here when running zeronet.py
def start():
	action_func = globals()[config.action] # Function reference
	action_kwargs = config.getActionArguments() # non-config arguments when calling zeronet.py

	action_func(**action_kwargs)


# Start serving UiServer and PeerServer
def main():
	logging.info("Version: %s, Python %s, Gevent: %s" % (config.version, sys.version, gevent.__version__))
	global ui_server, file_server
	from File import FileServer
	from Ui import UiServer
	logging.info("Creating UiServer....")
	ui_server = UiServer()

	logging.info("Creating FileServer....")
	file_server = FileServer()

	logging.info("Starting servers....")
	gevent.joinall([gevent.spawn(ui_server.start), gevent.spawn(file_server.start)])


# Site commands

def siteCreate():
	logging.info("Generating new privatekey...")
	from Crypt import CryptBitcoin
	privatekey = CryptBitcoin.newPrivatekey()
	logging.info("----------------------------------------------------------------------")
	logging.info("Site private key: %s" % privatekey)
	logging.info("                  !!! ^ Save it now, required to modify the site ^ !!!")
	address = CryptBitcoin.privatekeyToAddress(privatekey)
	logging.info("Site address:     %s" % address)
	logging.info("----------------------------------------------------------------------")

	while True:
		if raw_input("? Have you secured your private key? (yes, no) > ").lower() == "yes": break
		else: logging.info("Please, secure it now, you going to need it to modify your site!")

	logging.info("Creating directory structure...")
	from Site import Site
	os.mkdir("data/%s" % address)
	open("data/%s/index.html" % address, "w").write("Hello %s!" % address)

	logging.info("Creating content.json...")
	site = Site(address)
	site.content_manager.sign(privatekey=privatekey)
	site.settings["own"] = True
	site.saveSettings()

	logging.info("Site created!")


def siteSign(address, privatekey=None, inner_path="content.json"):
	from Site import Site
	logging.info("Signing site: %s..." % address)
	site = Site(address, allow_create = False)

	if not privatekey: # If no privatekey in args then ask it now
		import getpass
		privatekey = getpass.getpass("Private key (input hidden):")
	site.content_manager.sign(inner_path=inner_path, privatekey=privatekey)


def siteVerify(address):
	from Site import Site
	logging.info("Verifing site: %s..." % address)
	site = Site(address)

	for content_inner_path in site.content_manager.contents:
		logging.info("Verifing %s signature..." % content_inner_path)
		if site.content_manager.verifyFile(content_inner_path, site.storage.open(content_inner_path, "rb"), ignore_same=False) == True:
			logging.info("[OK] %s signed by address %s!" % (content_inner_path, address))
		else:
			logging.error("[ERROR] %s not signed by address %s!" % (content_inner_path, address))

	logging.info("Verifying site files...")
	bad_files = site.storage.verifyFiles()
	if not bad_files:
		logging.info("[OK] All file sha512sum matches!")
	else:
		logging.error("[ERROR] Error during verifying site files!")


def dbRebuild(address):
	from Site import Site
	logging.info("Rebuilding site sql cache: %s..." % address)
	site = Site(address)
	s = time.time()
	site.storage.rebuildDb()
	logging.info("Done in %.3fs" % (time.time()-s))


def dbQuery(address, query):
	from Site import Site
	import json
	site = Site(address)
	result = []
	for row in site.storage.query(query):
		result.append(dict(row))
	print json.dumps(result, indent=4)


def siteAnnounce(address):
	from Site.Site import Site
	logging.info("Announcing site %s to tracker..." % address)
	site = Site(address)

	s = time.time()
	site.announce()
	print "Response time: %.3fs" % (time.time()-s)
	print site.peers


def siteNeedFile(address, inner_path):
	from Site import Site
	site = Site(address)
	site.announce()
	print site.needFile(inner_path, update=True)


def sitePublish(address, peer_ip=None, peer_port=15441, inner_path="content.json"):
	global file_server
	from Site import Site
	from File import FileServer # We need fileserver to handle incoming file requests

	logging.info("Creating FileServer....")
	file_server = FileServer()
	file_server_thread = gevent.spawn(file_server.start, check_sites=False) # Dont check every site integrity
	file_server.openport()
	if file_server.port_opened == False:
		logging.info("Port not opened, passive publishing not supported yet :(")
		return
	site = file_server.sites[address]
	site.settings["serving"] = True # Serving the site even if its disabled
	if peer_ip: # Announce ip specificed
		site.addPeer(peer_ip, peer_port)
	else: # Just ask the tracker
		logging.info("Gathering peers from tracker")
		site.announce() # Gather peers
	site.publish(20, inner_path) # Push to 20 peers
	logging.info("Serving files....")
	gevent.joinall([file_server_thread])


# Crypto commands

def cryptoPrivatekeyToAddress(privatekey=None):
	from Crypt import CryptBitcoin
	if not privatekey: # If no privatekey in args then ask it now
		import getpass
		privatekey = getpass.getpass("Private key (input hidden):")

	print CryptBitcoin.privatekeyToAddress(privatekey)


# Peer

def peerPing(peer_ip, peer_port):
	logging.info("Opening a simple connection server")
	global file_server
	from Connection import ConnectionServer
	file_server = ConnectionServer("127.0.0.1", 1234)

	from Peer import Peer
	logging.info("Pinging 5 times peer: %s:%s..." % (peer_ip, peer_port))
	peer = Peer(peer_ip, peer_port)
	for i in range(5):
		s = time.time()
		print peer.ping(),
		print "Response time: %.3fs" % (time.time()-s)
		time.sleep(1)


def peerGetFile(peer_ip, peer_port, site, filename):
	logging.info("Opening a simple connection server")
	global file_server
	from Connection import ConnectionServer
	file_server = ConnectionServer()

	from Peer import Peer
	logging.info("Getting %s/%s from peer: %s:%s..." % (site, filename, peer_ip, peer_port))
	peer = Peer(peer_ip, peer_port)
	s = time.time()
	print peer.getFile(site, filename).read()
	print "Response time: %.3fs" % (time.time()-s)