import os
import pygame

from display import Scaling
from images import Images, Fonts

class LetterSprite(pygame.sprite.Sprite):
    def __init__(self, image, pos):
        super().__init__()
        self.image = image
        self.rect = self.image.get_rect().move(pos)
        
class TextGroup(pygame.sprite.Group):
    def __init__(self, text, pos, size = 8_000, spacing = None, font = 'lcd'):
        super().__init__()
        if spacing == None:
            spacing = size
        for i in range(len(text)):
            image = pygame.transform.scale_by(
                    Fonts.fonts[font].get(text[i]),
                    size/8 * Scaling.factor)
            image_pos = Scaling.scale_to_display( (pos[0]+i*spacing, pos[1]) )
            self.add(LetterSprite(image, image_pos))

class Status():
    def __init__(self, level = 1):
        self.score = 0
        self.bonus = 20_000
        self.lives = 3
        self.level = level
        self.sprites = pygame.sprite.Group()
        
    def update(self, dt):
        """ Update sprites basis of dt. dt = milliseconds from last update """

        self.bonus = max(0, self.bonus - dt)
        
        score_str="LEVEL{:02d}LIVES{:02d}{:010d}".format(self.level, self.lives, self.bonus)
        self.sprites = TextGroup(
                score_str,
                (0, 280_000),
                size = 10_000)

    def lose_life(self):
        """ Lose 1 life and return true if no lives left """
        self.lives -= 1
        return not self.lives

    def gain_life(self):
        """ Gain 1 life """
        self.lives += 1