from helpers import userHelper
from constants import serverPackets
from constants import exceptions
from objects import glob
from helpers import consoleHelper
from constants import bcolors
from helpers import locationHelper
from helpers import countryHelper
import time
from helpers import generalFunctions
from events import channelJoinEvent
import sys
import traceback
from helpers import requestHelper
from helpers import discordBotHelper

def handle(tornadoRequest):
	# Data to return
	responseTokenString = "ayy"
	responseData = bytes()

	# Get IP from flask request
	requestIP = tornadoRequest.getRequestIP()

	# Console output
	print("> Accepting connection from {}...".format(requestIP))

	# Split POST body so we can get username/password/hardware data
	# 2:-3 thing is because requestData has some escape stuff that we don't need
	loginData = str(tornadoRequest.request.body)[2:-3].split("\\n")

	# Process login
	print("> Processing login request for {}...".format(loginData[0]))
	try:
		# If true, print error to console
		err = False

		# Try to get the ID from username
		userID = userHelper.getID(str(loginData[0]))

		if userID == False:
			# Invalid username
			raise exceptions.loginFailedException()
		if userHelper.checkLogin(userID, loginData[1]) == False:
			# Invalid password
			raise exceptions.loginFailedException()

		# Make sure we are not banned
		userAllowed = userHelper.getAllowed(userID)
		if userAllowed == 0:
			# Banned
			raise exceptions.loginBannedException()

		# Log user IP
		userHelper.IPLog(userID, requestIP)

		# No login errors!
		# Delete old tokens for that user and generate a new one
		glob.tokens.deleteOldTokens(userID)
		responseToken = glob.tokens.addToken(userID)
		responseTokenString = responseToken.token

		# Get silence end
		userSilenceEnd = max(0, userHelper.getSilenceEnd(userID)-int(time.time()))

		# Get supporter/GMT
		userRank = userHelper.getRankPrivileges(userID)
		userGMT = False
		userSupporter = True
		if userRank >= 3:
			userGMT = True

		# Server restarting check
		if glob.restarting == True:
			raise exceptions.banchoRestartingException()

		# Maintenance check
		if glob.banchoConf.config["banchoMaintenance"] == True:
			if userGMT == False:
				# We are not mod/admin, delete token, send notification and logout
				glob.tokens.deleteToken(responseTokenString)
				raise exceptions.banchoMaintenanceException()
			else:
				# We are mod/admin, send warning notification and continue
				responseToken.enqueue(serverPackets.notification("Bancho is in maintenance mode. Only mods/admins have full access to the server.\nType !system maintenance off in chat to turn off maintenance mode."))

		# Send all needed login packets
		responseToken.enqueue(serverPackets.silenceEndTime(userSilenceEnd))
		responseToken.enqueue(serverPackets.userID(userID))
		responseToken.enqueue(serverPackets.protocolVersion())
		responseToken.enqueue(serverPackets.userSupporterGMT(userSupporter, userGMT))
		responseToken.enqueue(serverPackets.userPanel(userID))
		responseToken.enqueue(serverPackets.userStats(userID))

		# Channel info end (before starting!?! wtf bancho?)
		responseToken.enqueue(serverPackets.channelInfoEnd())

		# Default opened channels
		# TODO: Configurable default channels
		channelJoinEvent.joinChannel(responseToken, "#osu")
		channelJoinEvent.joinChannel(responseToken, "#announce")
		if userRank >= 3:
			# Join admin chanenl if we are mod/admin
			# TODO: Separate channels for mods and admins
			channelJoinEvent.joinChannel(responseToken, "#admin")

		# Output channels info
		for key, value in glob.channels.channels.items():
			if value.publicRead == True:
				responseToken.enqueue(serverPackets.channelInfo(key))

		responseToken.enqueue(serverPackets.friendList(userID))

		# Send main menu icon and login notification if needed
		if glob.banchoConf.config["menuIcon"] != "":
			responseToken.enqueue(serverPackets.mainMenuIcon(glob.banchoConf.config["menuIcon"]))

		if glob.banchoConf.config["loginNotification"] != "":
			responseToken.enqueue(serverPackets.notification(glob.banchoConf.config["loginNotification"]))

		# Get everyone else userpanel
		# TODO: Better online users handling
		for key, value in glob.tokens.tokens.items():
			responseToken.enqueue(serverPackets.userPanel(value.userID))
			responseToken.enqueue(serverPackets.userStats(value.userID))

		# Send online users IDs array
		responseToken.enqueue(serverPackets.onlineUsers())

		# Get location and country from ip.zxq.co or database
		if generalFunctions.stringToBool(glob.conf.config["server"]["localizeusers"]):
			# Get location and country from IP
			location = locationHelper.getLocation(requestIP)
			countryLetters = locationHelper.getCountry(requestIP)
			country = countryHelper.getCountryID(countryLetters)
		else:
			# Set location to 0,0 and get country from db
			print("[!] Location skipped")
			location = [0,0]
			countryLetters = "XX"
			country = countryHelper.getCountryID(userHelper.getCountry(userID))

		# Set location and country
		responseToken.setLocation(location)
		responseToken.setCountry(country)

		# Set country in db if user has no country (first bancho login)
		if userHelper.getCountry(userID) == "XX":
			userHelper.setCountry(userID, countryLetters)

		# Send to everyone our userpanel and userStats (so they now we have logged in)
		glob.tokens.enqueueAll(serverPackets.userPanel(userID))
		glob.tokens.enqueueAll(serverPackets.userStats(userID))

		# Set reponse data to right value and reset our queue
		responseData = responseToken.queue
		responseToken.resetQueue()

		# Print logged in message
		consoleHelper.printColored("> {} logged in ({})".format(loginData[0], responseToken.token), bcolors.GREEN)
	except exceptions.loginFailedException:
		# Login failed error packet
		# (we don't use enqueue because we don't have a token since login has failed)
		err = True
		responseData += serverPackets.loginFailed()
	except exceptions.loginBannedException:
		# Login banned error packet
		err = True
		responseData += serverPackets.loginBanned()
	except exceptions.banchoMaintenanceException:
		# Bancho is in maintenance mode
		responseData += serverPackets.notification("Our bancho server is in maintenance mode. Please try to login again later.")
		responseData += serverPackets.loginError()
	except exceptions.banchoRestartingException:
		# Bancho is restarting
		responseData += serverPackets.notification("Bancho is restarting. Try again in a few minutes.")
		responseData += serverPackets.loginError()
	except:
		# Unknown exception
		msg = "UNKNOWN ERROR IN LOGIN!!!\n{}\n{}".format(sys.exc_info(), traceback.format_exc())
		consoleHelper.printColored("[!] {}".format(msg), bcolors.RED)
	finally:
		# Print login failed message to console if needed
		if err == True:
			consoleHelper.printColored("> {}'s login failed".format(loginData[0]), bcolors.YELLOW)

		# Discord message
		discordBotHelper.sendConfidential("Bancho login request from {} for user {} ({})".format(requestIP, loginData[0], "failed" if err == True else "success"))

		# Return token string and data
		return (responseTokenString, responseData)