import random

from CameraCommander import CameraCommander
from CameraModel import CameraModel
from WaitState import WaitState
from WaitActivity import WaitActivity
import CameraContext


class WaitAuthentication(WaitState):
	def handle(self, context):
		data = self.waitMsg(context)
		if not data:
			return
		words = data.split(":")
		if len(words) != 2:		
			print("[WaitAuthentication] : Invalid data from camera at {}:{}".format(context.connection.addr, context.connection.port))
			context.connection.send("invalid_data")
			context.close()
			return

		mdl = CameraModel()
		camera = mdl.getById(words[0])
		if not camera or camera.product_key != words[1]:
			print("[WaitAuthentication] : Authentication failed for camera at {}:{}".format(context.connection.addr, context.connection.port))
			context.connection.send("refused")
			context.close()
			return
		
		try:
			CameraCommander.Register(context, camera)
		except CameraCommander.InvalidStateException:	
			context.connection.send("refused")
			context.close()
			return

		context.camera = camera
		print("[WaitAuthentication] : Camera at {}:{} successfully authenticated as ({})".format(context.connection.addr, context.connection.port, context.camera.id))

		context.camera.available = True
		context.camera.rtmp_handle = hex(hash(random.random()))[2:]
		mdl.update(context.camera)
		if not context.connection.send("accepted:{}".format(context.camera.rtmp_handle)):
			print("[WaitAuthentication] : Connection lost with camera ({}) at {}:{}".format(context.camera.id, context.connection.addr, context.connection.port))
			context.close()
			return

		if context.camera.enabled:
			context.enable()
			return
		context.state = WaitActivity()


	def tic(self, context):
		pass