import pygame
from ..elements import sprites
import pocket_friends.game_files.io.gpio_handler as gpio_handler
from ..io.input_handler import InputHandler


class Surface(pygame.Surface):
    """

    """
    def __init__(self, window_size, resources_dir, game_fps, **kwargs):
        """

        Args:
            window_size:
            resources_dir:
            game_fps:
            **kwargs:
        """
        super().__init__(window_size, pygame.SRCALPHA)
        self.name = 'selection_info'
        self.running = True
        self.next_surface = None
        self.resource_dir = resources_dir
        self.clock = pygame.time.Clock()
        self.game_fps = game_fps
        self.input_handler = InputHandler(self.clock)
        self.additional_args = {}

        self.bg = pygame.image.load(self.resource_dir + '/images/bg.png').convert_alpha()
        self.sprites = pygame.sprite.Group()

        self.selected_egg = None
        for key in kwargs.keys():
            if key == 'selected_egg':
                self.selected_egg = kwargs.get(key)

        egg = sprites.SelectionEgg(self.selected_egg, resources_dir)
        egg.rect.x = 8
        egg.rect.y = 3
        self.sprites.add(egg)

        self.info_text = sprites.InfoText(resources_dir, window_size[0], egg.description)
        self.info_icons = sprites.EggInfo(resources_dir, egg.contentedness, egg.metabolism, (32, 4))

    def update(self):
        self.clock.tick(self.game_fps)

        self.blit(self.bg, (0, 0))
        self.sprites.update()
        self.sprites.draw(self)
        self.info_text.draw(self)
        self.info_icons.draw(self)

        self.input_handler.update()

        for event in pygame.event.get():
            if event.type == pygame.KEYDOWN:
                if event.key == gpio_handler.BUTTONS.get('j_d'):
                    # Scroll down on the info screen.
                    self.info_text.scroll_down()
                if event.key == gpio_handler.BUTTONS.get('j_u'):
                    # Scroll up on the info screen.
                    self.info_text.scroll_up()
                if event.key == gpio_handler.BUTTONS.get('a'):
                    pass
                if event.key == gpio_handler.BUTTONS.get('b'):
                    self.running = False
                    self.additional_args = {'selected_color': self.selected_egg}
                    self.next_surface = 'egg_select'