import pygame

# 初始化pygame
pygame.init()
screen = pygame.display.set_mode((600, 600))  # 设置窗口长宽
pygame.display.set_caption('五子棋-EduCoder')  # 设置 pygame 窗口名
space = 20  # 四周留下的边距
cell_size = 40  # 每个格子大小
cell_num = 15  # 设置线条数
chess_arr = []  # 创建列表记录落子位置


def get_one_dire_num(lx, ly, dx, dy, m):
    tx = lx
    ty = ly
    s = 0
    while True:
        tx += dx
        ty += dy
        if tx < 0 or tx >= cell_num or ty < 0 or ty >= cell_num or m[ty][tx] == 0:
            return s
        s += 1


def check_win(chess_arr, flag):
    m = [[0] * cell_num for i in range(cell_num)]
    for x, y, c in chess_arr:
        if c == flag:
            m[y][x] = 1
    lx = chess_arr[-1][0]
    ly = chess_arr[-1][1]
    dire_arr = [[(-1, 0), (1, 0)], [(0, -1), (0, 1)], [(-1, -1), (1, 1)],
                [(-1, 1), (1, -1)]]
    for dire1, dire2 in dire_arr:
        dx, dy = dire1
        num1 = get_one_dire_num(lx, ly, dx, dy, m)
        dx, dy = dire2
        num2 = get_one_dire_num(lx, ly, dx, dy, m)
        if num1 + num2 + 1 >= 5:
            return True
    return False


flag = 1
game_state = 1

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            exit()
        if event.type == pygame.MOUSEBUTTONUP:
            x, y = pygame.mouse.get_pos()
            if game_state == 1:
                xi = int(round((x - space) * 1.0 / cell_size))
                yi = int(round((y - space) * 1.0 / cell_size))
                if xi >= 0 and xi < cell_num and yi >= 0 and yi < cell_num and (xi, yi, 1) not in chess_arr and (xi, yi, 2) not in chess_arr:
                    chess_arr.append((xi, yi, flag))
                    if check_win(chess_arr, flag):
                        game_state = 2 if flag == 1 else 3
                    else:
                        flag = 2 if flag == 1 else 1
            else:
                if 200 <= x <= 400 and 360 <= y <= 410:
                    chess_arr = []
                    game_state = 1
                    flag = 1
                elif 200 <= x <= 400 and 430 <= y <= 480:
                    pygame.quit()
                    exit()

    screen.fill((204, 153, 102))
    for x in range(0, cell_size * cell_num, cell_size):
        pygame.draw.line(screen, (200, 200, 200), (x + space, 0 + space),
                         (x + space, cell_size * (cell_num - 1) + space), 1)
    for y in range(0, cell_size * cell_num, cell_size):
        pygame.draw.line(screen, (200, 200, 200), (0 + space, y + space),
                         (cell_size * (cell_num - 1) + space, y + space), 1)
    for x, y, c in chess_arr:
        chess_color = (30, 30, 30) if c == 1 else (225, 225, 225)
        pygame.draw.circle(screen, chess_color, [x * cell_size + space, y * cell_size + space], 16, 16)
    if (4, 4, 1) not in chess_arr and (4, 4, 2) not in chess_arr:
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 4 + space, cell_size * 4 + space), 2, 1)
    if (10, 10, 1) not in chess_arr and (10, 10, 2) not in chess_arr:
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 10 + space, cell_size * 10 + space), 2, 1)
    if (10, 4, 1) not in chess_arr and (10, 4, 2) not in chess_arr:
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 10 + space, cell_size * 4 + space), 2, 1)
    if (4, 10, 1) not in chess_arr and (4, 10, 2) not in chess_arr:
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 4 + space, cell_size * 10 + space), 2, 1)
    if (7, 7, 1) not in chess_arr and (7, 7, 2) not in chess_arr:
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 7 + space, cell_size * 7 + space), 2, 1)

    if game_state != 1:
        # 半透明遮罩层
        overlay = pygame.Surface((680, 680), pygame.SRCALPHA)
        overlay.fill((255, 255, 255, 180))
        screen.blit(overlay, (0,0))
        myfont = pygame.font.Font(None, 60)
        white = 210, 210, 0
        win_text = "%s wins" % ('Black' if game_state == 2 else 'White')
        textImage = myfont.render(win_text, True, white)
        
        # 修改文字位置：x坐标从220改为200，y坐标从320改为280
        screen.blit(textImage, (200, 280))  # 主要修改位置
        
        button_font = pygame.font.Font(None, 36)
        pygame.draw.rect(screen, (0, 200, 0), (200, 360, 200, 50))
        text_play = button_font.render('Play Again', True, (255, 255, 255))
        screen.blit(text_play, (220, 370))
        pygame.draw.rect(screen, (200, 0, 0), (200, 430, 200, 50))
        text_quit = button_font.render('Quit', True, (255, 255, 255))
        screen.blit(text_quit, (260, 440))

    pygame.display.update()