"""Module for selection info. Shows egg stats after an egg has been selected from the starting
screen. Contains the surface object to be rendered."""

import pygame
from pocket_friends.elements import sprites
from pocket_friends.elements import surface


class Surface(surface.GameSurface):
    """
    Surface object for the selection info screen. Contains the selected egg, egg properties, and description in a
    scrollable text box. Child class of surface.GameSurface.
    """
    def __init__(self, game_res: tuple, resources_dir: str, game_fps: int, **kwargs: str):
        """
        Create a selection info surface object.

        Args:
            game_res: The internal resolution of the surface.
            resources_dir: The path of the game's main resource directory.
            game_fps: How many frames per second the game will run at.

        Keyword Args:
            selected_egg: The egg that was selected by the previous screen.
        """
        super().__init__(game_res, resources_dir, game_fps)

        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, game_res[0], egg.description)
        self._info_icons = sprites.EggInfo(resources_dir, egg.contentedness, egg.metabolism, (32, 4))

    def update(self):
        """
        Draw objects on the screen and advance the surface logic by one frame; Handle user input.
        """
        self.preprocess()

        self._info_text.draw(self)
        self._info_icons.draw(self)

        for event in pygame.event.get():
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_DOWN:
                    self._info_text.scroll_down()
                if event.key == pygame.K_UP:
                    self._info_text.scroll_up()
                if event.key == pygame.K_a:
                    self.running = False
                    self.additional_args = {'selected_color': self._selected_egg}
                    self.next_surface = 'playground'
                if event.key == pygame.K_b:
                    self.running = False
                    self.additional_args = {'selected_color': self._selected_egg}
                    self.next_surface = 'egg_select'