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

from minecraft.networking.types import BlockFace

from protocol.managers import ChunkNotLoadedException

import utils
import path
import blocks
import items
import mcdata
import mobs

class GatherCropStates:
    def idle(self):
        return None

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

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

        mature_crops = [
            blocks.MATURE_WHEAT_ID,
            blocks.MATURE_POTATO_ID,
            blocks.MATURE_CARROT_ID,
            blocks.MATURE_BEETROOT_ID,
        ]

        for crop in w.find_blocks_3d(p, mature_crops, 50, 20):
            print('Found crop:', crop)
            if crop not in self.bad_crops:
                break
        else: # for
            print('No good crops left, aborting.')
            self.state = self.cleanup
            return

        self.crop = crop
        self.type_id = w.block_at(*crop)
        self.state = self.nav_to_crop

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

        navpath = w.path_to_place(p, self.crop)

        if navpath:
            self.g.path = navpath
            self.g.look_at = utils.padd(self.crop, path.BLOCK_BELOW)
            self.state = self.going_to_crop
        else:
            self.bad_crops.append(self.crop)
            self.wait_time = 0.5
            self.state = self.wait_to_restart

    def wait_to_restart(self):
        # prevent timeouts
        if self.wait_time > 0:
            self.wait_time -= utils.TICK
        else:
            self.state = self.find_new_crop

    def going_to_crop(self):
        if utils.pint(self.g.pos) == self.crop:
            print('At the crop')
            self.state = self.break_crop

    def break_crop(self):
        self.g.game.break_block(self.crop)
        self.wait_time = 0.5
        self.state = self.wait

    def wait(self):
        # wait for the item
        if self.wait_time > 0:
            self.wait_time -= utils.TICK
        else:
            self.state = self.select_seed

    def select_seed(self):
        p = utils.pint(self.g.pos)

        crop_seeds = {
            blocks.MATURE_WHEAT_ID: items.WHEAT_SEEDS_ID,
            blocks.MATURE_POTATO_ID: items.POTATO_ID,
            blocks.MATURE_CARROT_ID: items.CARROT_ID,
            blocks.MATURE_BEETROOT_ID: items.BEETROOT_SEEDS_ID,
        }

        if self.g.game.select_item([crop_seeds[self.type_id]]):
            self.state = self.wait_select
            self.wait_time = 0.5
        else:
            print('Aborting planting, no crop')
            self.state = self.cleanup

    def wait_select(self):
        # wait a bit to select
        if self.wait_time > 0:
            self.wait_time -= utils.TICK
        else:
            self.state = self.place_crop

    def place_crop(self):
        p = utils.pint(self.g.pos)
        self.g.game.place_block(p, BlockFace.TOP)
        print('Placed crop')
        self.state = self.wait_place
        self.wait_time = 0.5

    def wait_place(self):
        # wait a bit for chunk data to update
        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.crop = None
        self.type_id = None
        self.bad_crops = []
        self.wait_time = 0

    def run(self):
        self.state()