import re
import time
import importlib
import random
from itertools import count
from math import hypot, floor

from minecraft.networking.types import BlockFace

from mosfet.protocol.managers import ChunkNotLoadedException

from mosfet import utils
from mosfet import path
from mosfet.info import blocks
from mosfet.info import items
from mosfet.info import mcdata
from mosfet.info import mobs

class FindGappleStates:
    def idle(self):
        return None

    def init(self):
        self.state = self.go_spectator

    def go_spectator(self):
        print('Going spectator...')
        self.g.chat.send('/gamemode spectator')

        self.state = self.tp_to_coord

    def tp_to_coord(self):
        step = utils.spiral(self.count)
        step_scaled = utils.pmul(step, 192)
        self.coord = utils.padd(self.origin, step_scaled)
        self.coord = (self.coord[0], 50, self.coord[2])

        print('count:', self.count, 'teleporting to:', self.coord)
        self.g.chat.send('/tp {} {} {}'.format(*self.coord))

        self.g.command_lock = True
        self.state = self.wait_for_load

    def wait_for_load(self):
        if self.g.command_lock:
            return

        if self.g.chunks.check_loaded(self.g.pos, 169):
            print('chunks have been loaded')
            self.state = self.pick_chest

    def pick_chest(self):
        chest_list = []
        for chest_id in blocks.CHEST_IDS:
            chest_list.extend(self.g.chunks.index.get(chest_id, []))

        for chest in chest_list:
            if chest in self.checked_chests:
                # slow but simple
                continue

            if utils.phyp_king(self.coord, chest) > 96:
                # skip because we can't detect item drops
                continue

            self.current_chest = chest
            self.checked_chests.append(self.current_chest)
            self.state = self.break_chest
            break
        else: # for
            print('exhausted chest list')
            self.state = self.cleanup

    def break_chest(self):
        print('Breaking chest', self.current_chest)
        self.g.command_lock = True
        self.g.item_lock = True
        self.g.chat.send('/setblock {} {} {} air destroy'.format(*self.current_chest))

        self.wait_time = 0.5
        self.state = self.wait_for_items

    def wait_for_items(self):
        # wait for command to execute
        if self.g.command_lock:
            return

        # wait for items to drop
        if self.wait_time > 0:
            self.wait_time -= utils.TICK
        else:
            print('done waiting for items')
            self.state = self.pick_chest

    def cleanup(self):
        self.count += 1
        self.state = self.done

    def done(self):
        # never gets ran, placeholder
        return None

    def __init__(self, global_state):
        self.g = global_state
        self.state = self.idle

        self.origin = utils.pint(self.g.pos)
        self.count = 0
        self.coord = None
        self.current_chest = None
        self.checked_chests = []
        self.wait_time = 0

    def run(self):
        self.state()