import pygame

class Player(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        player_right = pygame.image.load("images/stickman_right.png")
        player_right = pygame.transform.scale(player_right, (30, 67))
        player_left = pygame.image.load("images/stickman_left.png")
        player_left = pygame.transform.scale(player_left, (30, 67))
        self.player_direction = [player_right, player_left]

        self.image = self.player_direction[0]
        self.rect = self.image.get_rect(center = (0, 150)) 

        self.walking_speed = 10  

    def player_inputs(self):
        key = pygame.key.get_pressed()
        if key[pygame.K_a]:
            self.rect.x -= self.walking_speed
            self.image = self.player_direction[1]
        if key[pygame.K_d]:
            self.rect.x += self.walking_speed
            self.image = self.player_direction[0]
        if key[pygame.K_s]:
            self.rect.y += self.walking_speed
        if key[pygame.K_w]:
            self.rect.y -= self.walking_speed

    def get_last_position(self):
        self.last_position = self.rect.topleft

    def set_back(self):
        self.rect.topleft = self.last_position

    def left_screen(self):
        if self.rect.x > 1860:
            self.rect.x = -60
        if self.rect.x < -60:
            self.rect.x = 1860

    def left_scene(self, current_scene):
        if current_scene == "scene_1" and self.rect.y <= -80:
            self.rect.x = 900
            self.rect.y = 1050
            return "scene_2"
        return current_scene
    
    def update(self):
        self.get_last_position()
        self.player_inputs()
        self.left_screen()
    
        

class Streets(pygame.sprite.Sprite):
    def __init__(self, left, top, width, height):
        super().__init__()
        self.image = pygame.Surface([width, height])
        self.image.fill((0, 0, 0))  
        self.rect = self.image.get_rect(topleft=(left, top))

class Lanterns(pygame.sprite.Sprite):
    def __init__(self, left, top, width, height, id=None, street=None, crossing_id=None):
        super().__init__()
        self.image = pygame.Surface([width, height], pygame.SRCALPHA)
        self.image.fill((0, 0, 0, 255))  
        self.rect = self.image.get_rect(center=(left, top))
        self.id = id
        self.street = street
        self.crossing_id = crossing_id
    
    def light_up(self, r, g, b, oppacity):
        self.image.fill((r, g, b, oppacity))
    
    def reset_light(self):
        self.image.fill((0, 0, 0))

class Detectors(pygame.sprite.Sprite):
    def __init__(self, left, top, width, height, id=None, street=None, crossing_id=None):
        super().__init__()
        self.image = pygame.Surface([width, height], pygame.SRCALPHA)

        self.image.fill((0, 0, 0, 0)) 
        #pygame.draw.rect(self.image, "White", self.image.get_rect(), 1)     # Zum Debuggen eine Umrandung
        self.rect = self.image.get_rect(center=(left, top))
        self.id = id
        self.street = street
        self.crossing_id = crossing_id