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 SleepWithBedStates:
    def idle(self):
        return None

    def init(self):
        if self.g.time < 12000:
            print('Aborting sleep, not night')
            self.state = self.cleanup
            return

        if self.g.dimension != 'overworld':
            print('Aborting sleep, not in overworld')
            self.state = self.cleanup
            return

        self.state = self.find_beds

    def find_beds(self):
        print('Finding beds...')
        w = self.g.world
        p = utils.pint(self.g.pos)

        result = w.find_blocks_indexed(p, blocks.BED_IDS, 80)

        self.beds = []
        for bed in result:
            if bed in self.bad_beds:
                continue

            if w.check_bed_occupied(bed):
                continue

            self.beds.append(bed)

        print('Found:', self.beds)
        self.state = self.choose_bed

    def choose_bed(self):
        print('Choosing a bed...')
        w = self.g.world
        p = utils.pint(self.g.pos)
        c = self.g.chunks

        if not len(self.beds):
            print('No beds')
            self.state = self.select_bed
            return

        bed = self.beds[0]
        print('Chose:', bed)

        navpath = w.path_to_place_faked(p, bed)
        print('navpath:', navpath)

        if navpath:
            self.g.path = navpath[:-1]
            self.opening = self.g.path[-1]
            self.g.look_at = self.opening
            self.area = bed
            self.state = self.going_to_bed
            return
        else:
            self.beds.pop(0)
            self.bad_beds.append(bed)
            print('Cant get to bed, blacklisting')
            time.sleep(0.1)
            self.state = self.select_bed

    def going_to_bed(self):
        if utils.pint(self.g.pos) == self.opening:
            print('At existing bed')
            self.my_bed = False
            self.g.look_at = utils.padd(self.area, path.BLOCK_BELOW)
            self.state = self.use_bed

    def select_bed(self):
        if self.g.game.select_item(items.BED_IDS):
            self.state = self.find_bed_spot
        else:
            print('No bed, aborting.')
            self.state = self.cleanup

    def find_bed_spot(self):
        print('Finding a bed spot...')
        w = self.g.world
        p = utils.pint(self.g.pos)

        for area in w.find_bed_areas(p, 100):
            print('Found area:', area)
            if area not in self.bad_areas:
                break
        else: # for
            print('Unable to find area')
            self.state = self.cleanup
            return

        self.area = area
        openings = w.find_bed_openings(self.area)

        for o in openings:
            navpath = w.path_to_place(p, o)
            self.opening = o
            if navpath: break
        else: # for
            print('Unable to get to bed area', self.area)
            self.bad_areas.append(self.area)
            self.state = self.cleanup
            return

        self.g.path = navpath
        self.g.look_at = self.opening
        self.state = self.going_to_area

    def going_to_area(self):
        if utils.pint(self.g.pos) == self.opening:
            print('At bed area')
            self.g.look_at = utils.padd(self.area, path.BLOCK_BELOW)
            self.state = self.place_bed

    def place_bed(self):
        print('Placing bed')
        self.g.game.place_block(self.area, BlockFace.TOP)
        self.my_bed = True
        self.state = self.use_bed

    def use_bed(self):
        w = self.g.world

        if self.g.time < 12550:
            return

        if w.check_bed_occupied(self.area):
            print('Bed occupied, aborting.')
            self.state = self.cleanup
            return

        print('Using bed')
        self.g.game.place_block(self.area, BlockFace.TOP)
        if not self.silent:
            self.g.chat.send('zzz')
        self.state = self.sleep_bed

    def sleep_bed(self):
        w = self.g.world
        p = utils.pint(self.g.pos)
        threats = w.find_threats(p, 10)

        if threats:
            print('Waking up due to threats:')
            print(threats)
            self.g.game.leave_bed()
            self.state = self.cleanup
        elif self.g.time < 100:
            print('Woke up time')
            self.state = self.break_bed
        elif self.g.correction_count:
            print('Woke up by movement')
            self.state = self.break_bed

    def break_bed(self):
        if self.my_bed:
            self.g.game.break_block(self.area)
            self.state = self.collect_bed
        else:
            self.state = self.cleanup

    def collect_bed(self):
        if not self.g.breaking:
            self.g.path = [utils.padd(self.area, utils.spiral(n)) for n in range(9)]
            self.wait_time = 2
            self.state = self.wait

    def wait(self):
        # wait to pick up bed
        if self.wait_time > 0:
            self.wait_time -= utils.TICK
        else:
            self.state = self.cleanup

    def cleanup(self):
        self.g.look_at = None
        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.silent = False

        self.my_bed = False
        self.beds = []
        self.bad_beds = []
        self.area = None
        self.opening = None
        self.bad_areas = []
        self.wait_time = 0

    def run(self):
        self.state()