if __name__ == '__main__':
    print('Run main.py instead.')
    exit(1)

import os
import time
import importlib

USERNAME = os.environ['USERNAME']
PASSWORD = os.environ['PASSWORD']
SERVER = os.environ['SERVER']

import monkey_patch # must be before any possible pyCraft imports

from custom.managers import DataManager, ChunksManager, ChatManager

from minecraft import authentication
from minecraft.exceptions import YggdrasilError
from minecraft.networking.connection import Connection
from minecraft.networking.packets import Packet, clientbound, serverbound

from custom.networking.packets.clientbound.play.block_change_packet import BlockChangePacket

from panda3d.core import LPoint3f

import packet_handlers
importlib.reload(packet_handlers)

TICK = 0.05
last_tick = time.time()

def tick():
    return

def bot(global_state):
    g = global_state

    if 'mcdata' not in g:
        g.mcdata = DataManager('./mcdata')

    if not g.connection:
        auth_token = authentication.AuthenticationToken()
        try:
            auth_token.authenticate(USERNAME, PASSWORD)
        except YggdrasilError as e:
            print(e)
            sys.exit()
        print("Logged in as %s..." % auth_token.username)
        g.connection = Connection(SERVER, 25565, auth_token=auth_token)

        g.chunks = ChunksManager(g.mcdata)
        g.chunks.register(g.connection)

        g.chat = ChatManager()
        g.chat.register(g.connection)

        g.connection.connect()

    def packet_wrapper(handler):
        def wrapper(packet):
            print('called')
            handler(packet, g)
        return wrapper

    h = packet_wrapper(packet_handlers.handle_join_game)
    g.connection.register_packet_listener(h, clientbound.play.JoinGamePacket)

    h = packet_wrapper(packet_handlers.handle_block_change)
    g.connection.register_packet_listener(h, BlockChangePacket)

    h = packet_wrapper(packet_handlers.handle_position_and_look)
    g.connection.register_packet_listener(h, clientbound.play.PlayerPositionAndLookPacket)

    try:
        #while not player_info.pos:
        #    time.sleep(TICK)
        #print('Player loaded.')

        #x, y, z = pint(player_info.pos)
        #while (floor(x/16), floor(y/16), floor(z/16)) not in player_info.chunks.chunks:
        #    time.sleep(TICK)
        #print('Chunks loaded.')

        while g.running:
            tick()

            global last_tick
            sleep_time = TICK + last_tick - time.time()
            if sleep_time < 0: sleep_time = 0
            time.sleep(sleep_time)
            last_tick = time.time()
    finally:
        print('Removing listeners...')
        g.connection.packet_listeners = []
        g.connection.early_packet_listeners = []
        g.connection.outgoing_packet_listeners = []
        g.connection.early_outgoing_packet_listeners = []

print('Bot module loaded.')