import pygame
import subprocess
import random
from modules.gameobjects import *



pygame.init()
MAINSCREEN_SIZE = (1440,900)
MAINSCREEN = pygame.display.set_mode(MAINSCREEN_SIZE, pygame.RESIZABLE)
#Setup for fullscreen
#MAINSCREEN = pygame.display.set_mode((0,0), pygame.FULLSCREEN)

CENTER_X = MAINSCREEN_SIZE[0]/2
CENTER_Y = MAINSCREEN_SIZE[1]/2

debug_mode = True

pygame.display.set_caption("PACMAN")
clock = pygame.time.Clock()

WEISS   = (255,255,255)
SCHWARZ = (0,0,0)
GRUEN = (0,255,0)
ROT = (255,0,0)

font1 = pygame.font.SysFont("Noto Sans 10pt", 25)


PLAYGROUND = pygame.Surface((1024,728))



gamestate = True

#Mapfiles for Mapgen
map_file = open("maps/map_1.txt")
map_texture_map1 = pygame.image.load("models/wall_1.png")
map_space_size = 30
map_wall_size = 30

#PACMAN_CREATURE_CONSTANTS
pacman = pygame.image.load("models/pacman_1.png")
pacman_posx = 0
pacman_posy = 0
pacman_movespeed = 5
pacman_startpoint = {0,0}
pacman_size = 26
pacman_animation = list()
pacman_animation.append(pygame.image.load("models/pacman_1_1.png"))
pacman_animation.append(pygame.image.load("models/pacman_1_2.png"))
pacman_animation.append(pygame.image.load("models/pacman_1_3.png"))
pacman_animation.append(pygame.image.load("models/pacman_1_4.png"))
pacman_animation.append(pygame.image.load("models/pacman_1_5.png"))

model1 = "models/pacman_1_1.png"


#ITEMS

fruits = list()
fruits.append(pygame.image.load("models/fruit_1_1_scaled_2.png"))
fruits_size = fruits[0].get_size()

#TODO Pacman Animation has to been added


#Labels
short_hash = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode('ascii').strip()
hash_label = font1.render(F"git-hash: {short_hash}", 1, SCHWARZ)

#Movement
movedirection = {"up":False, "down":False, "left":False, "right":False}
map1 = list()
movement_map = list()

pacman = GameObject("Test", 600, 600, 50,50, model1 ,MAINSCREEN)

def generate_map(*mapfile):
    #Generate row
    startpos_x = 0
    startpos_y = 0
    id = 0
    for line in map_file:
        for byte in line:
            if(byte == "#"):
                map1.append({"id":id,"object": pygame.image.load("models/wall_1.png"), "x":startpos_x, "y":startpos_y})
            
            if(byte == " "):
                movement_map.append({"id":id,"object": pygame.image.load("models/wall_1.png"), "x":startpos_x, "y":startpos_y})

            startpos_x += map_wall_size
            id += 1

        startpos_x = 0
        startpos_y += map_wall_size

generate_map()

movement_map_center = (map_space_size-pacman_size)/2
print(F"Center correction: {movement_map_center}")
#Spawn pacman on top of the map
pacman.set_position(movement_map[0]["x"]+movement_map_center, movement_map[0]["y"]+movement_map_center)


while(gamestate==True):
    MAINSCREEN.fill(WEISS)
    #PLAYGROUND.fill(WEISS)
    for event in pygame.event.get():
        if (event.type == pygame.QUIT):
            print("Programm wird geschlossen!")
            gamestate = False
        
        if (event.type == pygame.KEYDOWN):   
            match event.key:
                case pygame.K_ESCAPE:
                    print("ESC... stopping Game!")
                    gamestate = False

                case pygame.K_UP:
                    movedirection["up"] = True
                    movedirection["down"] = False
                    print("hoch")

                case pygame.K_DOWN:
                    movedirection["down"] = True
                    movedirection["up"] = False
                    print("runter")

                case pygame.K_RIGHT:
                    movedirection["right"] = True
                    movedirection["left"] = False
                    print("rechts")

                case pygame.K_LEFT:
                    movedirection["left"] = True
                    movedirection["right"] = False
                    print("links")


#TODO Check for wall-collision!!!!

    if(movedirection["up"] == True):
        if(pacman.get_position()[1] >= 0):
            pacman.move(0, -pacman_movespeed)

    if(movedirection["down"] == True):
        if(pacman.get_position()[1] <= (MAINSCREEN_SIZE[1]-pacman_size)):
            pacman.move(0, pacman_movespeed)

    if(movedirection["right"] == True):
        if(pacman.get_position()[0] <= (MAINSCREEN_SIZE[0]-pacman_size)):
            pacman.move(pacman_movespeed, 0)

    if(movedirection["left"] == True):
        if(pacman.get_position()[0] >= 0):
            pacman.move(-pacman_movespeed, 0)

    pacman.draw()

    for row in map1:
        MAINSCREEN.blit(row["object"], (row["x"],row["y"]))

    if debug_mode:
    #Adds visual character for vaild movementpath (DEBUG ONLY)
        for coord in movement_map:
            coord:list
            tmp = font1.render("X", 1, ROT)
            result = MAINSCREEN.blit(tmp, (coord["x"], coord["y"]))
            #Removes collided objects from list
            if(pacman.check_collision(result) and len(movement_map) >= 1):
                print(len(movement_map))
                print(coord)
                movement_map.remove(coord)
                pass
            
    pacman_pos_label = font1.render(F"x:{pacman.get_position()[0]} y:{pacman.get_position()[1]}", 1, SCHWARZ)
    fps_label = font1.render(F"FPS: {int(clock.get_fps())}", 1, SCHWARZ)

    if debug_mode:
        MAINSCREEN.blit(pacman_pos_label, (CENTER_X,MAINSCREEN_SIZE[1]-40))
        MAINSCREEN.blit(fps_label, (CENTER_X - 150,MAINSCREEN_SIZE[1]-40))
        MAINSCREEN.blit(hash_label, (10, MAINSCREEN_SIZE[1]-40))

    pygame.display.flip()
    clock.tick(60)