import pgzrun
from pgzero.actor import Actor
from pgzero.screen import Screen
from pgzero.loaders import sounds
import random
import sys
from time import time
# 类型标注
screen:Screen
SIZE = 200;
WIDTH = SIZE*3;
HEIGHT = SIZE*3;
pul_actors = [];
# 游戏结束标志位
finished = False;
# 完成拼图，填充最后一张图片
end_pul = Actor('2022hu_8');
end_pul.left =  2 * SIZE;
end_pul.top = 2 * SIZE;
# 添加时间概念
start = time();
end = None;
for i in range(8):
    pl = Actor("2022hu_"+str(i)+".png");
    # 增加索引标识位置,gameOver判定
    pl.index = i;
    pul_actors.append(pl);
# 洗牌
random.shuffle(pul_actors);
for i in range(len(pul_actors)):
    # 巧妙的获取列数和行数
    pul_actors[i].left = i % 3 * SIZE;
    pul_actors[i].top = i // 3 * SIZE;

def draw():
    screen.fill((255,255,255));
    for pul in pul_actors:
        pul.draw();
    # 拼图完成
    if finished:
        end_pul.draw();
        screen.draw.text("拼图完成",center=(WIDTH//2,HEIGHT//2),fontsize=50,color="green",fontname="simhei")
        screen.draw.text(f"完成时间{round(end,2)}秒",center=(WIDTH//2,HEIGHT//2+100),fontsize=40,color="green",fontname="simhei")
    else :
        screen.draw.text(f'时间:{round(time()-start)}s',center=(WIDTH//2,20),fontsize=40,color="green",fontname="simhei");
# 抽离函数
def get_pul(grid_x, grid_y):
    for pul in pul_actors:
        #  当前位置和所有的图片位置对比
        if grid_x == pul.x // SIZE and grid_y == pul.y // SIZE:
            return pul;
    return None;
def gameFinished():
    global finished;
    global end;
    for i in range(8):
        pul = get_pul(i%3,i//3);
        if pul == None or pul.index != i:
            return;
    finished = True;
    sounds.gameover.play();
    end = (time() - start);
#  事件处理
def on_mouse_down(pos):
    # 游戏结束了就不能再移动了
    if not finished:
        # 行和列
        grid_x = pos[0] // SIZE;
        grid_y = pos[1] // SIZE;
        # 当前是哪一张图片,
        thispul = get_pul(grid_x, grid_y);
    #    图片四个方向,上有空位
        if grid_y > 0 and get_pul(grid_x, grid_y - 1) == None:
            thispul.y -= SIZE;
            return;
        elif grid_y < 2 and get_pul(grid_x, grid_y+1) == None:
            thispul.y += SIZE;
            return;
        elif grid_x > 0 and get_pul(grid_x-1, grid_y) == None:
            thispul.x -= SIZE;
            return;
        elif grid_x < 2 and get_pul(grid_x+1, grid_y) == None:
            thispul.x += SIZE;
            return;
def update():
    if not finished:
        gameFinished();
pgzrun.go();