import pygame
import random

pygame.init()
size = 470, 470
screen = pygame.display.set_mode(size)


class Board:
    # создание поля
    def __init__(self, width, height, left=10, top=10, cell_size=30):
        self.width = width
        self.height = height
        self.board = [[0] * width for _ in range(height)]
        # значения по умолчанию
        self.left = 0
        self.top = 0
        self.cell_size = 0
        self.set_view(left, top, cell_size)

    def render(self):
        for y in range(self.height):
            for x in range(self.width):
                pygame.draw.rect(screen, pygame.Color(255, 255, 255),
                                 (x * self.cell_size + self.left, y * self.cell_size + self.top, self.cell_size,
                                  self.cell_size), 1)

    # настройка внешнего вида
    def set_view(self, left, top, cell_size):
        self.left = left
        self.top = top
        self.cell_size = cell_size

    # cell - кортеж (x, y)
    def on_click(self, cell):
        # заглушка для реальных игровых полей
        pass

    def get_cell(self, mouse_pos):
        cell_x = (mouse_pos[0] - self.left) // self.cell_size
        cell_y = (mouse_pos[1] - self.top) // self.cell_size
        if cell_x < 0 or cell_x >= self.width or cell_y < 0 or cell_y >= self.height:
            return None
        return cell_x, cell_y

    def get_click(self, mouse_pos):
        cell = self.get_cell(mouse_pos)
        if cell:
            self.on_click(cell)


class Minesweeper(Board):
    def __init__(self, width, height, n):
        super().__init__(width, height)
        self.board = [[-1] * width for _ in range(height)]
        i = 0
        while i < n:
            x = random.randint(0, self.width - 1)
            y = random.randint(0, self.height - 1)
            if self.board[y][x] == -1:
                self.board[y][x] = 10
                i += 1

    def on_click(self, cell):
        self.open_cell(cell)

    def open_cell(self, cell):
        x, y = cell
        if self.board[y][x] == 10:
            return
        s = 0
        for dy in range(-1, 2):
            for dx in range(-1, 2):
                if x + dx < 0 or x + dx >= self.width or y + dy < 0 or y + dy >= self.height:
                    continue
                if self.board[y + dy][x + dx] == 10:
                    s += 1
        self.board[y][x] = s
        if s == 0:
            for dy in range(-1, 2):
                for dx in range(-1, 2):
                    if x + dx < 0 or x + dx >= self.width or y + dy < 0 or y + dy >= self.height:
                        continue
                    if self.board[y + dy][x + dx] == -1:
                        self.open_cell((x + dx, y + dy))

    def render(self):
        for y in range(self.height):
            for x in range(self.width):
                if self.board[y][x] == 10:
                    pygame.draw.rect(screen, pygame.Color("red"),
                                     (x * self.cell_size + self.left, y * self.cell_size + self.top, self.cell_size,
                                      self.cell_size))
                if self.board[y][x] >= 0 and self.board[y][x] != 10:
                    font = pygame.font.Font(None, self.cell_size - 6)
                    text = font.render(str(self.board[y][x]), 1, (100, 255, 100))
                    screen.blit(text, (x * self.cell_size + self.left + 3, y * self.cell_size + self.top + 3))
                pygame.draw.rect(screen, pygame.Color(255, 255, 255),
                                 (x * self.cell_size + self.left, y * self.cell_size + self.top, self.cell_size,
                                  self.cell_size), 1)


running = True
board = Minesweeper(10, 15, 10)
board.set_view(10, 10, 30)
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        if event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
            board.get_click(event.pos)
    screen.fill((0, 0, 0))
    board.render()
    pygame.display.flip()
pygame.quit()