import cv2 as cv
import numpy as np
from utils import mse
from game_base_class import GameBase

GREEN = 1
YELLOW = 2
RED = 3
BLUE = 4
ORANGE = 5


class Fruit(GameBase):

    def __init__(self, overlay):
        super().__init__(overlay)

        self.data_coordinates = np.zeros((7, 11), dtype=object)
        self.observation = np.zeros((7, 11), dtype=int)

        self.colors = [GREEN, YELLOW, RED, BLUE, ORANGE]

        self.fill_data_coordinates()

        self.needles = {GREEN: cv.imread("fruit/green.jpg", cv.IMREAD_COLOR),
                        YELLOW: cv.imread("fruit/yellow.jpg", cv.IMREAD_COLOR),
                        BLUE: cv.imread("fruit/blue.jpg", cv.IMREAD_COLOR),
                        RED: cv.imread("fruit/red.jpg", cv.IMREAD_COLOR),
                        ORANGE: cv.imread("fruit/orange.jpg", cv.IMREAD_COLOR)
                        }

    def fill_data_coordinates(self):
        # 540 to 1870 = 1330 / 11 = 121
        # 180 to 1030 = 1076 / 8 =  121.4
        dim = 121.2
        for e in range(0, 7, 1):
            for i in range(0, 11, 1):
                self.data_coordinates[e][i] = [i * dim, e * dim, dim, dim]

    def assess_playfield_and_make_move(self):

        new_observation, new_screenshot = self.get_current_board_state()

        # wrong movement detection
        # last board state is same as actual
        if mse(new_observation, self.observation) == 0.0:
            # no movement detected -> blow explosives or reset

            self.reset_counter += 1
            if self.reset_counter == 1:
                pass
            elif self.reset_counter >= 2:
                screenshot = self.capture_window.get_screenshot()
                if self.check_for_button_and_execute(screenshot, self.reset_board):
                    cv.waitKey(500)
                screenshot = self.capture_window.get_screenshot()
                if self.check_for_button_and_execute(screenshot, self.reset_confirm):
                    cv.waitKey(500)

                self.reset_counter = 0
                return
            else:
                return

        self.find_patterns_and_valid_moves(new_observation)
        self.observation = new_observation
        return new_observation

    def get_current_board_state(self):
        # get an updated image of the game
        screenshot = self.capture_window.get_screenshot()
        # screenshot = cv.imread("field_farm.jpg")
        screenshot = screenshot[180:1030, 540:1870]
        # gray = cv.cvtColor(screenshot, cv.COLOR_BGR2GRAY)
        # thresh = cv.threshold(gray, 0, 255, cv.THRESH_BINARY_INV + cv.THRESH_OTSU)[1]
        if self.check_for_button_and_execute(screenshot, self.ok_button, 540, 180):
            cv.waitKey(500)
            screenshot = self.capture_window.get_screenshot()
            screenshot = screenshot[180:1030, 540:1870]
        if self.check_for_button_and_execute(screenshot, self.reset_board, 540, 180):
            cv.waitKey(500)
            screenshot = self.capture_window.get_screenshot()
            screenshot = screenshot[180:1030, 540:1870]
        if self.check_for_button_and_execute(screenshot, self.reset_confirm, 540, 180):
            cv.waitKey(500)
            screenshot = self.capture_window.get_screenshot()
            screenshot = screenshot[180:1030, 540:1870]

        # cv.imshow("screenshot", screenshot)
        # cv.waitKey(150)
        # continue
        data_coords = np.zeros((7, 11), dtype=object)
        # field = Field()
        for needle_key in self.needles.keys():
            # gray_needle = cv.cvtColor(self.needles[needle_key], cv.COLOR_BGR2GRAY)
            # thresh_needle = cv.threshold(gray_needle, 0, 255, cv.THRESH_BINARY_INV + cv.THRESH_OTSU)[1]
            rectangles = self.vision_stun.find(screenshot, self.needles[needle_key], 0.74, 56)
            if len(rectangles) == 0:
                continue
            points = self.vision_stun.get_click_points(rectangles)

            for point in points:
                x, y = self.point_in_rect(point)
                if x is not None and y is not None:
                    data_coords[x][y] = int(needle_key)
                    # self.change_value(x, y, int(needle_key))
                    # print(field.data_value_grid)
                    # cv.circle(screenshot, points[0], 7, (0, 255, 0), -1)
                    # output_image = vision_stun.draw_rectangles(screenshot, rectangles)
                    # cv.imshow("output_image", output_image)
                    # cv.waitKey(150)
        return data_coords, screenshot

    def find_patterns_and_valid_moves(self, state):
        for e in range(0, 8, 1):
            for i in range(0, 14, 1):
                if self.check_pairs(state, e, i):
                    return
                if self.overlay.run_mode == 'stopped' or self.overlay.run_mode == 'paused':
                    return
            if self.overlay.run_mode == 'stopped' or self.overlay.run_mode == 'paused':
                return

    def check_pairs(self, state, e, i, color):
        try:
            #
            if state[e, i] == color and state[e + 1, i] == color:
                click_pt = self.get_click_point(self.data_coordinates[e, i])
                self.dig_point(click_pt[0], click_pt[1], 100)
                return True
            elif state[e, i] == color and state[e, i + 1] == color:
                click_pt = self.get_click_point(self.data_coordinates[e, i])
                self.dig_point(click_pt[0], click_pt[1], 100)
                return True
            return False
        except:
            return False