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 PlantTreeStates:
    def idle(self):
        return None

    def init(self):
        if self.g.chopped_tree:
            self.state = self.check_feet
        else:
            print('Aborting planting, did not plant')
            self.state = self.cleanup

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

        # check for air at feet
        if self.g.chunks.get_block_at(*p) in [0]:
            self.state = self.select_sapling
        else:
            print('Aborting planting, feet not air')
            self.state = self.cleanup

    def select_sapling(self):
        p = utils.pint(self.g.pos)
        sapling_type = self.g.chopped_tree + '_sapling'
        sapling_item = items.get_id(sapling_type)

        if self.g.game.select_item([sapling_item]):
            self.g.look_at = utils.padd(p, path.BLOCK_BELOW)
            self.state = self.wait_select
            self.wait_time = 1
        else:
            print('Aborting planting, no', sapling_type)
            self.state = self.cleanup

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

    def place_sapling(self):
        p = utils.pint(self.g.pos)
        self.g.game.place_block(p, BlockFace.TOP)
        print('Placed sapling')
        self.state = self.wait_place
        self.wait_time = 1

    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.find_open_spot

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

        for opening in w.find_tree_openings(p)[::-1]:
            print('trying sapling opening', opening)
            navpath = w.path_to_place(p, opening)
            if navpath:
                self.g.path = navpath
                self.area = opening
                self.state = self.going_to_area
                return
        else: # for
            print('cant escape sapling')
            self.state = self.cleanup

    def going_to_area(self):
        if utils.pint(self.g.pos) == self.area:
            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.wait_time = 0
        self.area = None

    def run(self):
        self.state()