from helpers import consoleHelper
from constants import bcolors
from constants import clientPackets
from constants import serverPackets
from constants import exceptions
from objects import glob
from helpers import userHelper

def handle(userToken, packetData):
	try:
		# Get usertoken data
		userID = userToken.userID
		username = userToken.username

		# Start spectating packet
		packetData = clientPackets.startSpectating(packetData)

		# Stop spectating old user if needed
		if userToken.spectating != 0:
			oldTargetToken = glob.tokens.getTokenFromUserID(userToken.spectating)
			oldTargetToken.enqueue(serverPackets.removeSpectator(userID))
			userToken.stopSpectating()

		# Start spectating new user
		userToken.startSpectating(packetData["userID"])

		# Get host token
		targetToken = glob.tokens.getTokenFromUserID(packetData["userID"])
		if targetToken == None:
			raise exceptions.tokenNotFoundException

		# Add us to host's spectators
		targetToken.addSpectator(userID)

		# Send spectator join packet to host
		targetToken.enqueue(serverPackets.addSpectator(userID))

		# Join #spectator channel
		userToken.enqueue(serverPackets.channelJoinSuccess(userID, "#spectator"))

		if len(targetToken.spectators) == 1:
			# First spectator, send #spectator join to host too
			targetToken.enqueue(serverPackets.channelJoinSuccess(userID, "#spectator"))

		# Console output
		consoleHelper.printColored("> {} are spectating {}".format(username, userHelper.getUsername(packetData["userID"])), bcolors.PINK)
		consoleHelper.printColored("> {}'s spectators: {}".format(str(packetData["userID"]), str(targetToken.spectators)), bcolors.BLUE)
	except exceptions.tokenNotFoundException:
		# Stop spectating if token not found
		consoleHelper.printColored("[!] Spectator start: token not found", bcolors.RED)
		userToken.stopSpectating()