import re
import time
import importlib
from math import hypot

from panda3d.core import LPoint3f

from minecraft.networking.types import BlockFace

import utils
importlib.reload(utils)
import path
importlib.reload(path)
import blocks
importlib.reload(blocks)
import items
importlib.reload(items)


class LumberjackStates:
    def bair(self, p):
        return self.g.chunks.get_block_at(*p) in blocks.NON_SOLID_IDS

    def blog(self, p):
        return self.g.chunks.get_block_at(*p) in blocks.LOG_IDS

    def idle(self):
        return None

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

    def find_new_tree(self):
        print('Finding new tree...')
        w = self.g.world
        p = utils.pint(self.g.pos)

        trees = w.find_trees(p, 100)
        print('Found trees:', trees)

        while trees[0] in self.bad_trees:
            trees.pop(0)
        self.tree = trees[0]

        self.openings = w.find_tree_openings(self.tree)
        self.state = self.choose_opening

    def choose_opening(self):
        w = self.g.world
        p = utils.pint(self.g.pos)

        print('openings:', self.openings)

        if not len(self.openings):
            print('Unable to get to tree', self.tree)
            self.bad_trees.append(self.tree)
            self.state = self.cleanup
            return

        navpath = w.path_to_place(p, self.openings[0])

        if navpath:
            self.g.path = navpath
            self.state = self.going_to_tree
        else:
            self.openings.pop(0)

    def going_to_tree(self):
        if utils.pint(self.g.pos) == self.openings[0]:
            self.g.look_at = self.tree
            self.state = self.clear_leaves

    def clear_leaves(self):
        if not self.g.breaking:
            p = utils.pint(self.g.pos)
            diff = utils.psub(self.tree, p)

            for x in utils.diffrange(diff[0]):
                for z in utils.diffrange(diff[2]):
                    for y in range(2):
                        check = utils.padd(p, (x, y, z))
                        if check == self.tree:
                            break
                        if not self.bair(check):
                            print('Breaking leaf')
                            self.g.game.break_block(check)
                            return

            self.state = self.clear_trunk_base

    def clear_trunk_base(self):
        if not self.g.breaking:
            base = self.tree
            above = utils.padd(self.tree, path.BLOCK_ABOVE)

            if self.blog(base):
                self.g.game.break_block(base)
                print('breaking base')
            elif self.blog(above):
                self.g.game.break_block(above)
                print('breaking above')
            else:
                w = self.g.world
                p = utils.pint(self.g.pos)
                navpath = w.path_to_place(p, self.tree)

                if navpath:
                    self.g.path = navpath
                    self.state = self.going_to_trunk_base
                else:
                    self.openings.pop(0)
                    self.state = self.choose_opening

    def going_to_trunk_base(self):
        if utils.pint(self.g.pos) == self.tree:
            self.g.look_at = utils.padd(self.tree, path.BLOCK_ABOVE2)
            self.state = self.clear_trunk

    def clear_trunk(self):
        if not self.g.breaking:
            check = self.tree

            count = 0
            while self.bair(check) and count < 6:
                check = utils.padd(check, path.BLOCK_ABOVE)
                count += 1

            if self.blog(check):
                print('breaking log', check)
                self.g.game.break_block(check)
            else:
                print('Finished clearing tree')
                self.wait_time = 0.5
                self.state = self.wait

    def wait(self):
        # wait for the last log to fall
        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.tree = None
        self.openings = []
        self.bad_trees = []
        self.wait_time = 0

    def run(self):
        self.state()


class GatherSandStates:
    def bair(self, p):
        return self.g.chunks.get_block_at(*p) in blocks.NON_SOLID_IDS

    def bsand(self, p):
        return self.g.chunks.get_block_at(*p) == 66

    def idle(self):
        return None

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

    def find_new_sand(self):
        print('Finding new sand...')
        w = self.g.world
        p = utils.pint(self.g.pos)

        sand = w.find_sand(p, 150, self.origin)
        print('Found sand:', sand)

        while sand[0] in self.bad_sand:
            sand.pop(0)
        self.sand = sand[0]

        self.state = self.nav_to_sand

    def nav_to_sand(self):
        w = self.g.world
        p = utils.pint(self.g.pos)

        w.chunks.set_block_at(*self.sand, 0)
        navpath = w.path_to_place(p, self.sand)
        w.chunks.set_block_at(*self.sand, 66)

        if navpath:
            self.g.path = navpath[:-1]
            self.state = self.going_to_sand
        else:
            self.bad_sand.append(self.sand)
            self.state = self.find_new_sand

    def going_to_sand(self):
        if not len(self.g.path):
            self.g.look_at = self.sand
            self.state = self.dig_sand

    def dig_sand(self):
        if not self.g.breaking:
            if self.bsand(self.sand):
                self.g.game.break_block(self.sand)
                print('digging sand')
            else:
                self.state = self.get_sand

    def get_sand(self):
        w = self.g.world
        p = utils.pint(self.g.pos)
        navpath = w.path_to_place(p, self.sand)

        if navpath:
            self.g.path = navpath
            self.state = self.going_to_item
        else:
            self.bad_sand.append(self.sand)
            self.state = self.find_new_sand

    def going_to_item(self):
        if utils.pint(self.g.pos) == self.sand:
            self.g.look_at = self.sand
            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.origin = utils.pint(self.g.pos)
        self.sand = None
        self.bad_sand = []
        self.wait_time = 0

    def run(self):
        self.state()


class SleepWithBedStates:
    def idle(self):
        return None

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

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

        areas = w.find_bed_areas(p, 100)
        print('Found areas:', areas)

        if len(areas):
            while areas[0] in self.bad_areas:
                areas.pop(0)
            self.area = areas[0]
        elif self.last_area:
            self.area = self.last_area
        else:
            print('Unable to find area, and no last area')
            self.state = self.cleanup
            return

        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.state = self.going_to_area
        self.last_area = self.area

    def going_to_area(self):
        if utils.pint(self.g.pos) == self.opening:
            self.g.look_at = self.area
            self.state = self.select_bed

    def select_bed(self):
        for slot, item in self.g.inv.items():
            if item.item_id in items.BED_IDS:
                print('Found bed in slot', slot)
                self.g.look_at = utils.padd(self.area, path.BLOCK_BELOW)
                self.g.game.choose_slot(slot)
                self.state = self.place_bed
                break
        else: # for
            self.g.chat.send('I need a bed')
            self.state = self.cleanup

    def place_bed(self):
        self.g.game.place_block(self.area, BlockFace.TOP)
        self.state = self.use_bed

    def use_bed(self):
        if self.g.time >= 12542:
            print('Sleeping')
            self.g.game.place_block(self.area, BlockFace.TOP)
            self.g.chat.send('zzz')
            self.state = self.sleep_bed

    def sleep_bed(self):
        if self.g.time < 100:
            print('Woke up')
            self.state = self.break_bed

    def break_bed(self):
        self.g.game.break_block(self.area)
        self.state = self.collect_bed

    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 = 4
            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.area = None
        self.opening = None
        self.bad_areas = []
        self.last_area = None
        self.wait_time = 0

    def run(self):
        self.state()


class JobStates:
    def idle(self):
        return None

    def sleep_with_bed(self):
        s = self.sleep_with_bed_states
        if s.state == s.idle:
            s.state = s.init
        elif s.state == s.done:
            s.state = s.init
            # check time, etc

            if self.prev_state:
                print('Reverting to prev state')
                self.state = self.prev_state
                return

        s.run()

    def gather_sand(self):
        s = self.gather_sand_states
        if s.state == s.idle:
            s.state = s.init
        elif s.state == s.done:
            s.state = s.init
            # check time, etc

            self.prev_state = self.gather_sand
            self.state = self.sleep_with_bed
            return

        s.run()

    def lumberjack(self):
        s = self.lumberjack_states
        if s.state == s.idle:
            s.state = s.init
        elif s.state == s.done:
            s.state = s.init
            # check time, etc

            self.prev_state = self.lumberjack
            self.state = self.sleep_with_bed
            return

        s.run()

    def stop(self):
        self.lumberjack_states = LumberjackStates(self.g)
        self.gather_sand_states = GatherSandStates(self.g)
        self.sleep_with_bed_states = SleepWithBedStates(self.g)
        self.state = self.idle

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

        self.state = self.idle
        self.prev_state = None
        self.lumberjack_states = LumberjackStates(self.g)
        self.gather_sand_states = GatherSandStates(self.g)
        self.sleep_with_bed_states = SleepWithBedStates(self.g)

    def tick(self):
        self.state()