import random
from random import randint

import pygame
import configparser
from pygame import Color

from domain.entities.cat import Cat
from domain.entities.entity import Entity
from domain.world import World

config = configparser.ConfigParser()
config.read("config.ini")


class Renderer:
    def __init__(
        self,
        width=800,
        height=800,
        tiles_x=10,
        tiles_y=10,
    ):
        self.width = width
        self.height = height

        self.tiles_x = tiles_x
        self.tiles_y = tiles_y

        self.tile_width = self.width / self.tiles_x
        self.tile_height = self.height / self.tiles_y

        pygame.init()

        pygame.display.set_caption("AI Vacuum Cleaner")
        self.screen = pygame.display.set_mode((self.width, self.height))
        self.font = pygame.font.SysFont("Arial", 26, bold=True)

        self.sprites = {
            "VACUUM": pygame.transform.scale(
                pygame.image.load("media/sprites/vacuum.png"),
                (self.tile_width, self.tile_height),
            ),
            "DOC_STATION": pygame.transform.scale(
                pygame.image.load("media/sprites/docking_station.png"),
                (self.tile_width, self.tile_height),
            ),
            "WALL": pygame.transform.scale(
                pygame.image.load("media/sprites/wall.png"),
                (self.tile_width, self.tile_height),
            ),
            "TILE": pygame.transform.scale(
                pygame.image.load("media/sprites/tile_cropped.jpeg"),
                (self.tile_width, self.tile_height),
            ),
            "PEEL": pygame.transform.scale(
                pygame.image.load("media/sprites/peel.webp"),
                (self.tile_width, self.tile_height),
            ),
            "CAT_FRONT": pygame.transform.scale(
                pygame.image.load("media/sprites/cat/standing_front.png"),
                (self.tile_width, self.tile_height),
            ),
            "CAT_BACK": pygame.transform.scale(
                pygame.image.load("media/sprites/cat/standing_back.png"),
                (self.tile_width, self.tile_height),
            ),
            "CAT_LEFT": pygame.transform.scale(
                pygame.image.load("media/sprites/cat/standing_left.png"),
                (self.tile_width, self.tile_height),
            ),
            "CAT_RIGHT": pygame.transform.scale(
                pygame.image.load("media/sprites/cat/standing_right.png"),
                (self.tile_width, self.tile_height),
            ),
            "PLANT1": pygame.transform.scale(
                pygame.image.load("media/sprites/plants/plant1.png"),
                (
                    self.tile_width + self.tile_width / 4,
                    self.tile_height + self.tile_height / 4,
                ),
            ),
            "PLANT2": pygame.transform.scale(
                pygame.image.load("media/sprites/plants/plant2.png"),
                (
                    self.tile_width + self.tile_width / 4,
                    self.tile_height + self.tile_height / 4,
                ),
            ),
            "PLANT3": pygame.transform.scale(
                pygame.image.load("media/sprites/plants/plant3.png"),
                (
                    self.tile_width + self.tile_width / 4,
                    self.tile_height + self.tile_height / 4,
                ),
            ),
        }

        self.cat_direction_sprite = {
            0: self.sprites["CAT_BACK"],
            1: self.sprites["CAT_RIGHT"],
            2: self.sprites["CAT_FRONT"],
            3: self.sprites["CAT_LEFT"],
        }

    def render(self, world: World):
        self.render_floor()
        self.render_board()
        for x in range(world.width):
            for y in range(world.height):
                for entity in world.dust[x][y]:
                    self.draw_entity(entity)
        for x in range(world.width):
            for y in range(world.height):
                for entity in world.obstacles[x][y]:
                    self.draw_entity(entity)
        self.draw_entity(world.vacuum)
        self.draw_entity(world.doc_station)
        if config.getboolean("APP", "cat"):
            self.draw_entity(world.cat)
        pygame.display.update()

    def line(self, x_1, y_1, x_2, y_2, color=None):
        pygame.draw.line(self.screen, color, (x_1, y_1), (x_2, y_2))

    def render_board(self, color=Color("black")):
        for i in range(1, self.tiles_x):
            self.line(
                self.tile_width * i, 0, self.tile_width * i, self.height, color=color
            )

        for i in range(1, self.tiles_y):
            self.line(
                0, self.tile_height * i, self.width, self.tile_height * i, color=color
            )

    def draw_entity(self, entity: Entity):
        sprite = self.sprites.get(entity.type, None)
        draw_pos = (entity.x * self.tile_width, entity.y * self.tile_height)
        if "PEEL" in entity.type:
            draw_pos = (
                (entity.x - 0.1) * self.tile_width,
                (entity.y - 0.25) * self.tile_height,
            )
        if "PLANT" in entity.type:
            draw_pos = (
                (entity.x - 0.1) * self.tile_width,
                (entity.y - 0.25) * self.tile_height,
            )
        if "CAT" in entity.type and isinstance(entity, Cat):
            sprite = self.cat_direction_sprite[entity.direction]
        if "VACUUM" in entity.type:
            # Add text displaying container filling level
            text_surface = self.font.render(
                f"Filling: {entity.container_filling}%", True, Color("black")
            )
            text_pos = (
                draw_pos[0] + self.tile_width / 2 - text_surface.get_width() / 2,
                draw_pos[1] + self.tile_height,
            )
            self.screen.blit(text_surface, text_pos)
            sprite = self.create_vacuum_sprite(entity)
        if "DOC_STATION" in entity.type:
            draw_pos = (
                (entity.x - 0.1) * self.tile_width,
                (entity.y - 0.25) * self.tile_height,
            )
        self.screen.blit(sprite, draw_pos)

    def create_vacuum_sprite(self, vacuum):
        angles = {
            (1, 0): 0,
            (-1, 0): 180,
            (0, 1): 270,
            (0, -1): 90,
        }
        init_sprite = self.sprites.get(vacuum.type, None)
        return pygame.transform.rotate(init_sprite, angles[vacuum.direction])

    def draw_sprite(self, x: int, y: int, sprite_name: str):
        self.screen.blit(
            self.sprites[sprite_name], (x * self.tile_width, y * self.tile_height)
        )

    def fill_grid_with_sprite(self, sprite):
        for tile_x in range(self.tiles_x):
            for tile_y in range(self.tiles_y):
                self.draw_sprite(tile_x, tile_y, sprite)

    def render_floor(self):
        self.fill_grid_with_sprite("TILE")