import pygame
import random

pygame.init()
WIDTH, HEIGHT = 800, 800
window = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Intelligent Garbage Collector")
AGENT_IMG = pygame.image.load("garbage-truck-nbg.png")
AGENT = pygame.transform.scale(AGENT_IMG, (50, 50))
DIRT_IMG = pygame.image.load("dirt.jpg")
DIRT = pygame.transform.scale(DIRT_IMG, (50, 50))
GRASS_IMG = pygame.image.load("grass.png")
GRASS = pygame.transform.scale(GRASS_IMG, (50, 50))
SAND_IMG = pygame.image.load("sand.jpeg")
SAND = pygame.transform.scale(SAND_IMG, (50, 50))
COBBLE_IMG = pygame.image.load("cobble.jpeg")
COBBLE = pygame.transform.scale(COBBLE_IMG, (50, 50))
FPS = 10


def randomize_map():        # tworzenie mapy z losowymi polami
    fields_list = [DIRT, GRASS, SAND, COBBLE]
    field_array_1 = []
    field_array_2 = []
    for i in range(16):
        for j in range(16):
            field_array_2.append(random.choice(fields_list))
        field_array_1.append(field_array_2)
        field_array_2 = []
    return field_array_1


def draw_window(agent, fields):
    for i in range(16):
        for j in range(16):
            window.blit(fields[i][j], (i * 50, j * 50))
    window.blit(AGENT, (agent.x, agent.y))      # wyswietlanie agenta
    pygame.display.update()


def agent_movement(keys_pressed, agent):    # sterowanie
    if keys_pressed[pygame.K_LEFT] and agent.x > 0:
        agent.x -= 50
    if keys_pressed[pygame.K_RIGHT] and agent.x < 750:
        agent.x += 50
    if keys_pressed[pygame.K_UP] and agent.y > 0:
        agent.y -= 50
    if keys_pressed[pygame.K_DOWN] and agent.y < 750:
        agent.y += 50


def main():
    clock = pygame.time.Clock()
    run = True
    agent = pygame.Rect(0, 0, 50, 50)   # tworzenie pola dla agenta
    fields = randomize_map()
    while run:
        clock.tick(FPS)
        for event in pygame.event.get():    # przechwycanie zamknięcia okna
            if event.type == pygame.QUIT:
                run = False
        keys_pressed = pygame.key.get_pressed()
        draw_window(agent, fields)
        agent_movement(keys_pressed, agent)

    pygame.quit()


if __name__ == "__main__":
    main()