class Cell:
    def __init__(self, x, y, is_wall=False, is_start=False, is_exit=False):
        self.x = x
        self.y = y
        self.is_wall = is_wall
        self.is_start = is_start
        self.is_exit = is_exit

    def is_passable(self):
        return not self.is_wall

class Maze:
    def __init__(self, width, height):
        self.width = width
        self.height = height
        self.cells = [[Cell(x, y) for x in range(width)] for y in range(height)]
        self.start_cell = None
        self.exit_cell = None
 
    def get_cell(self, x, y):
        if 0 <= x < self.width and 0 <= y < self.height:
            return self.cells[y][x]
        return None

    def get_neighbors(self, cell):
        neighbors = []
        directions = [(0, 1), (0, -1), (1, 0), (-1, 0)]
        for dx, dy in directions:
            neighbor = self.get_cell(cell.x + dx, cell.y + dy)
            if neighbor and neighbor.is_passable():
                neighbors.append(neighbor)
        return neighbors

class MazeBuilder:
    def buildFromFile(self, filename):
        with open(filename, 'r') as f:
            lines = f.readlines()
        
        height = len(lines)
        width = len(lines[0].strip())
        
        maze = Maze(width, height)
        
        for y, line in enumerate(lines):
            for x, char in enumerate(line.strip()):
                cell = maze.get_cell(x, y)
                if char == '#':
                    cell.is_wall = True
                elif char == 'S':
                    cell.is_start = True
                    maze.start_cell = cell
                elif char == 'E':
                    cell.is_exit = True
                    maze.exit_cell = cell
        
        if not maze.start_cell or not maze.exit_cell:
            raise ValueError("Лабиринт сломан")
            
        return maze
if __name__ == "__main__":
    builder = MazeBuilder()
    try:
        
        my_maze = builder.buildFromFile(r"C:\Users\vva26\2026-rff_mp\VolkovVA\docs\data\maze.txt")
        print(f"Лабиринт успешно загружен! Размеры: {my_maze.width}x{my_maze.height}")
        print(f"Старт в: ({my_maze.start_cell.x}, {my_maze.start_cell.y})")
        print(f"Финиш в: ({my_maze.exit_cell.x}, {my_maze.exit_cell.y})")
    except Exception as e:
        print(f"Ошибка при загрузке: {e}")