import random

import pygame
from pygame.font import Font

from level.LevelManager import LevelManager
from sprite.DynamicSprite import DynamicSprite
from sprite.PositionScale import PositionScale
from sprite.SpritesheetManager import SpritesheetManager
from physics.PhysicsElementsHandler import PhysicsElementsHandler
from sprite.Sprite import Sprite
from sprite.StaticSprite import StaticSprite
from ui_elements.TextLabel import TextLabel

what_to_run = 'physics'


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 == 'level':
    csv_parse_test = LevelManager('data/levels')
    csv_parse_test.load_from_config('data/levels/levels.json')
    print(csv_parse_test.levels[0])


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("PE GAME")
    clock = pygame.time.Clock()
    frame_rate = 80

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

    physics_handler = PhysicsElementsHandler()

    test_1_sprite = DynamicSprite(spritesheet_manager.get_sheet("test_1"))
    test_1_sprite.position_scale = PositionScale((10, -100), (1, 1))
    physics_handler.add_sprite(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 = (-4, -11)
    physics_handler.add_sprite(test_3_sprite)

    test_2_sprite = StaticSprite(spritesheet_manager.get_sheet("test_1"))
    test_2_sprite.position_scale = PositionScale((10, 80), (1, 1))
    physics_handler.add_sprite(test_2_sprite)


    while True:
        clock.tick(frame_rate)

        skip = True
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_RIGHT:
                    skip = False

        if skip:
            continue

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

        physics_handler.tick(apply_frame_rate(1))
        physics_handler.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((300, 300))
    pygame.display.set_caption("PM GAME")
    clock = pygame.time.Clock()

    test = TextLabel("Das ist ein Text", 100, 100, 50, Font('data/font/MilkyNice.otf', 50))

    while True:
        clock.tick(5)

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

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

        test.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)