import pygame
from pocket_friends.elements import surface
from pocket_friends._development._sprites import FunctionSelector
import pocket_friends._development._dev as dev

dev_functions = {
    'Restart': 'reboot_system',
    'Shutdown': 'shutdown_system',
    'Update': 'update',
    'Re-open App': 'restart_app',
    'Black screen': 'show_black'
}


class Surface(surface.GameSurface):
    def __init__(self, game_res, resources_dir, game_fps, **kwargs):
        super().__init__(game_res, resources_dir, game_fps)
        self.frames = 1
        self.game_fps = game_fps
        self.delay = 1
        self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
        self.background = pygame.image.load(self.resource_dir + '/images/dev_menu/dev_bg.png').convert_alpha()

        functions = []
        for key in dev_functions.keys():
            functions.append(key)

        self.function_selector = FunctionSelector(resources_dir, game_res, functions)

    def execute(self):

        executing_function = getattr(dev, dev_functions.get(self.function_selector.get_function()))
        output = executing_function()
        if output == 'show_black':
            self.next_surface = '_black_screen'
            self.running = False

    def update(self):
        self.preprocess()

        text = self.font.render('f: {0}'.format(self.frames), False, (128, 128, 128))
        self.blit(text, (3, 68))
        self.function_selector.draw(self)

        self.frames += 1
        self.frames %= self.game_fps

        for event in pygame.event.get():
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_UP:
                    self.function_selector.scroll_up()
                if event.key == pygame.K_DOWN:
                    self.function_selector.scroll_down()
                if event.key == pygame.K_a:
                    self.execute()
                if event.key == pygame.K_b:
                    self.running = False