'''
    Tetris 101:
    https://strategywiki.org/wiki/Tetris/Getting_Started
'''

import pygame

from entity.Piece import Piece
from util.ConfigurationManager import ConfigurationManager

def draw(screen, objects):
    # draw window bg
    bg_color = pygame.Color(ConfigurationManager.configuration["window"]["bg-color"])
    screen.fill(bg_color)

    # draw all game objects
    for object in objects:
        object.draw(screen)

    # update display
    pygame.display.update()

def main():
    ConfigurationManager.load()
    pygame.init()

    win_width = ConfigurationManager.configuration["window"]["width"]
    win_height = ConfigurationManager.configuration["window"]["height"]
    win_icon = ConfigurationManager.configuration["window"]["icon"]
    win_title = ConfigurationManager.configuration["window"]["title"]
    fps = ConfigurationManager.configuration["engine"]["fps"]
    base_one_color = ConfigurationManager.configuration["color"]["base-1"]
    base_two_color = ConfigurationManager.configuration["color"]["base-2"]
    tile_size = ConfigurationManager.configuration["engine"]["tile-size"]

    screen = pygame.display.set_mode((win_width, win_height))
    clock = pygame.time.Clock()
    loaded_icon = pygame.image.load(win_icon)

    pygame.display.set_caption(win_title)
    pygame.display.set_icon(loaded_icon)

    i_piece = Piece(Piece.I_SHAPE, (100, 100), base_one_color)
    j_piece = Piece(Piece.J_SHAPE, (250, 100), base_two_color)

    is_running = True
    while is_running:
        clock.tick(fps)

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                is_running = False
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_SPACE:
                    i_piece.rotate()
                    j_piece.rotate()
                if event.key == pygame.K_LEFT:
                    i_piece.move((-tile_size, 0))
                    j_piece.move((-tile_size, 0))
                if event.key == pygame.K_RIGHT:
                    i_piece.move((tile_size, 0))
                    j_piece.move((tile_size, 0))
                if event.key == pygame.K_UP:
                    i_piece.move((0, -tile_size))
                    j_piece.move((0, -tile_size))
                if event.key == pygame.K_DOWN:
                    i_piece.move((0, tile_size))
                    j_piece.move((0, tile_size))
        
        draw(screen, [i_piece, j_piece])

    pygame.quit()

# start main function
main()