import random

import pygame

from level.LevelManager import LevelManager
from level.elements.LoadedLevel import LoadedLevel
from physics import ConstantsParser
from physics.SpriteManager import SpriteManager, DrawLayers
from physics.TickData import TickData
from physics.sprites.PlayerSprite import PlayerSprite
from sprite.PositionScale import PositionScale
from sprite.Sprite import Sprite
from sprite.SpritesheetManager import SpritesheetManager
from sprite.StaticSprite import StaticSprite
from ui_elements.ClickEvent import ClickEvent
from ui_elements.KeyManager import KeyManager
from ui_elements.LevelMenu import LevelMenu
from ui_elements.TextLabel import TextLabel

what_to_run = 'level'

WIDTH = 12 * 71 * 1.5
HEIGHT = 12 * 40 * 1.5

# Background to test for level design
# test_background_castle = pygame.transform.scale(pygame.image.load('data/sprites/castle_bg.png'), (WIDTH, HEIGHT))
# test_background_cave = pygame.transform.scale(pygame.image.load('data/sprites/cave_bg.png'), (WIDTH, HEIGHT))
# test_background_tutorial = pygame.transform.scale(pygame.image.load('data/sprites/tutorial_bg.png'), (WIDTH, HEIGHT))

def apply_frame_rate(number: float):
    """
    this function calculates a factor that will be multiplied with the
    physics of the game to provide a constant speed
    :param number: The number to scale by the factor
    :return: The scaled number
    """
    return number / (frame_rate / 30)


if what_to_run == 'menu':
    screen_transform = PositionScale((0, 0), (1.5, 1.5))

    screen_height = 12 * 40 * 1.5
    screen_width = 12 * 71 * 1.5

    pygame.init()
    screen = pygame.display.set_mode((screen_width, screen_height))
    pygame.display.set_caption("PM GAME")
    clock = pygame.time.Clock()
    frame_rate = 30

    spritesheet_manager = SpritesheetManager("data/sprites", "data/sprites/sprites.json")
    sprite_manager = SpriteManager()
    key_manager = KeyManager()

    parsed_levels_manager = LevelManager('data/levels')
    parsed_levels_manager.load_from_config('data/levels/levels.json')

    generated_level = LoadedLevel(sprite_manager, spritesheet_manager)

    level_menu_width = screen_width / 2
    level_menu_height = screen_height / 2
    level_menu = LevelMenu(parsed_levels_manager.levels, 0, 0, level_menu_width, level_menu_height, 3)
    show_menu = False


    def load_next_level(selected_level):
        global show_menu
        generated_level.destroy_level()
        generated_level.load_level(selected_level)
        destroy_menu()
        show_menu = False


    def destroy_menu():
        global level_text_label
        for level_text_label in level_menu.level_text_labels:
            sprite_manager.remove_ui_element(level_text_label)


    level_menu.level_select_listener = lambda selected_level: load_next_level(selected_level)

    while True:
        clock.tick(frame_rate)

        pygame_events: list[pygame.event.Event] = pygame.event.get()
        key_manager.update_key_events(pygame_events)
        click_events: list[ClickEvent] = ClickEvent.create_events(pygame_events, screen_transform)

        for event in click_events:
            for layer in sprite_manager.layers:
                for sprite in sprite_manager.layers[layer]:
                    if sprite.get_bounding_box().contains_point(event.world_position):
                        sprite.click(event)

        for event in pygame_events:
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            if key_manager.is_keymap_down(KeyManager.KEY_ESCAPE):
                if show_menu:
                    show_menu = False
                    destroy_menu()
                else:
                    show_menu = True
                    for level_text_label in level_menu.level_text_labels:
                        sprite_manager.add_ui_element(DrawLayers.UI, level_text_label)

        screen.fill((0, 0, 0))
        sprite_manager.tick(TickData(apply_frame_rate(1), pygame_events, key_manager, click_events, screen_transform))
        sprite_manager.draw(screen, screen_transform)

        pygame.display.update()

elif what_to_run == 'level':
    screen_transform = PositionScale((0, 0), (1.5, 1.5))

    pygame.init()
    screen = pygame.display.set_mode((12 * ConstantsParser.CONFIG.level_size[0] * screen_transform.scale[0],
                                      12 * ConstantsParser.CONFIG.level_size[1] * screen_transform.scale[1]))

    pygame.display.set_caption("PM GAME")
    clock = pygame.time.Clock()
    frame_rate = 30

    spritesheet_manager = SpritesheetManager("data/sprites", "data/sprites/sprites.json")
    sprite_manager = SpriteManager()
    key_manager = KeyManager()

    parsed_levels_manager = LevelManager('data/levels')
    parsed_levels_manager.load_from_config('data/levels/levels.json')

    generated_level = LoadedLevel(sprite_manager, spritesheet_manager)
    generated_level.load_level(parsed_levels_manager.levels[1])
    ghost_character = PlayerSprite(spritesheet_manager.get_sheet("ghost_character"))
    ghost_character.position_scale = PositionScale((90, 50), (1, 1))
    sprite_manager.add_ui_element(DrawLayers.OBJECTS, ghost_character)

    calculated_frame_rate_text = TextLabel("0 FPS", 2, 2, 70, alignment="left")
    calculated_frame_rate_text.position_scale.scale = (0.3, 0.3)
    sprite_manager.add_ui_element(DrawLayers.UI, calculated_frame_rate_text)

    while True:
        clock.tick(frame_rate)

        calculated_frame_rate_text.text = f"{round(clock.get_fps())} FPS"

        pygame_events: list[pygame.event.Event] = pygame.event.get()
        key_manager.update_key_events(pygame_events)
        click_events: list[ClickEvent] = ClickEvent.create_events(pygame_events, screen_transform)

        for event in pygame_events:
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()

        screen.fill((0, 0, 0))
        # Playground to test background on any level
        # screen.blit(test_background_castle, (0, 0))

        sprite_manager.tick(TickData(apply_frame_rate(1), pygame_events, key_manager, click_events, screen_transform))
        sprite_manager.draw(screen, screen_transform)
        pygame.display.update()


elif what_to_run == 'physics':
    screen_transform = PositionScale((0, 0), (4, 4))

    pygame.init()
    screen = pygame.display.set_mode((600, 500))
    pygame.display.set_caption("PM GAME")
    clock = pygame.time.Clock()
    frame_rate = 59.52

    spritesheet_manager = SpritesheetManager("data/sprites", "data/sprites/sprites.json")
    sprite_manager = SpriteManager()
    key_manager = KeyManager()

    # test_1_sprite = DynamicSprite(spritesheet_manager.get_sheet("test_1"))
    # test_1_sprite.position_scale = PositionScale((10, -100), (1, 1))
    # sprite_manager.add_ui_element(DrawLayers.OBJECTS, test_1_sprite)

    # test_3_sprite = DynamicSprite(spritesheet_manager.get_sheet("test_1"))
    # test_3_sprite.position_scale = PositionScale((130, 100), (1, 1))
    # test_3_sprite.motion = (-9, -10)
    # sprite_manager.add_ui_element(DrawLayers.OBJECTS, test_3_sprite)

    # test_2_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
    # test_2_sprite.position_scale = PositionScale((10, 80), (1, 1))
    # sprite_manager.add_ui_element(DrawLayers.OBJECTS, test_2_sprite)

    for x in range(0, 8):
        floor_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
        floor_sprite.position_scale = PositionScale((x * 16, 100), (1, 1))
        sprite_manager.add_ui_element(DrawLayers.OBJECTS, floor_sprite)
    for x in range(0, 8):
        floor_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
        floor_sprite.position_scale = PositionScale((x * 16, 0), (1, 1))
        sprite_manager.add_ui_element(DrawLayers.OBJECTS, floor_sprite)

    for x in range(0, 6):
        floor_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
        floor_sprite.position_scale = PositionScale((0, x * 16), (1, 1))
        sprite_manager.add_ui_element(DrawLayers.OBJECTS, floor_sprite)
    for x in range(0, 6):
        floor_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
        floor_sprite.position_scale = PositionScale((130, x * 16), (1, 1))
        sprite_manager.add_ui_element(DrawLayers.OBJECTS, floor_sprite)

    ghost_character = PlayerSprite(spritesheet_manager.get_sheet("ghost_character"))
    ghost_character.position_scale = PositionScale((90, 50), (1, 1))
    sprite_manager.add_ui_element(DrawLayers.OBJECTS, ghost_character)

    text_1 = TextLabel("Frame: 0", 2, 110, 50, alignment="left")
    text_1.position_scale.scale = (0.1, 0.1)
    sprite_manager.add_ui_element(DrawLayers.UI, text_1)

    ghost_character.debug_label = text_1

    frame_counter = 0
    while True:
        clock.tick(frame_rate)

        skip = False
        pygame_events: list[pygame.event.Event] = pygame.event.get()
        key_manager.update_key_events(pygame_events)
        click_events: list[ClickEvent] = ClickEvent.create_events(pygame_events, screen_transform)

        for event in pygame_events:
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()

        if key_manager.is_keymap_down(KeyManager.KEY_RIGHT):
            skip = False

        if skip:
            continue

        frame_counter += 1
        # text_1.set_text(f"Frame: {frame_counter}")
        screen.fill((0, 0, 0))

        sprite_manager.tick(TickData(apply_frame_rate(1), pygame_events, key_manager, click_events, screen_transform))
        sprite_manager.draw(screen, screen_transform)
        pygame.display.update()


elif what_to_run == 'textlabel':
    screen_transform = PositionScale((0, 0), (4, 4))

    pygame.init()
    screen = pygame.display.set_mode((800, 800))
    pygame.display.set_caption("PM GAME")
    clock = pygame.time.Clock()

    test1 = TextLabel("Das ist ein Test", 100, 0, 50, alignment="left")
    test2 = TextLabel("Das ist ein Test", 100, 50, 50, alignment="left")
    test3 = TextLabel("Das ist ein Test", 100, 20, 50, alignment="left")

    test1.position_scale.scale = (0.2, 0.2)
    test2.position_scale.scale = (0.4, 0.4)
    test3.position_scale.scale = (0.2, 0.2)

    test3.visible = False

    while True:
        clock.tick(5)

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()

        screen.fill((0, 0, 110))

        test1.draw(screen, screen_transform)
        test2.draw(screen, screen_transform)
        test3.draw(screen, screen_transform)

        pygame.display.update()


elif what_to_run == 'sprite':
    screen_transform = PositionScale((0, 0), (4, 4))

    pygame.init()
    screen = pygame.display.set_mode((300, 300))
    pygame.display.set_caption("PE GAME")
    clock = pygame.time.Clock()

    spritesheet_manager = SpritesheetManager("data/sprites", "data/sprites/sprites.json")

    test_1_sprite = Sprite(spritesheet_manager.get_sheet("test_1"))
    test_2_sprite = Sprite(spritesheet_manager.get_sheet("test_1"))

    test_1_sprite.position_scale = PositionScale((10, 10), (1, 1))
    test_2_sprite.position_scale = PositionScale((60, 60), (1, 1))

    # test_1_sprite.dump("debug.png")

    while True:
        clock.tick(5)

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()

        screen.fill((0, 0, 0))

        test_1_sprite.tick(1)
        test_1_sprite.draw(screen, screen_transform)
        test_2_sprite.tick(1)
        test_2_sprite.draw(screen, screen_transform)
        pygame.display.update()

        if random.randint(1, 10) == 1:
            test_1_sprite.set_animation_state(random.choice(["walk_r", "walk_l", "idle", "other_test"]))
            print(test_1_sprite.animation_state)