from abc import ABC, abstractmethod
import os

from source.classes.cell import Cell


class Event:
    def __init__(self, event, maze, player_position, path):
        self.event = event
        self.maze = maze
        self.player_position = player_position
        self.path = path


class Observer(ABC):

    @abstractmethod
    def update(self, event: Event):
        pass


class ConsoleView(Observer):

    def update(self, event: Event):
        if event.event == "path_found":
            print("Путь найден:")
            self.render(
                event.maze,         
                event.player_position, 
                event.path
                )
        elif event.event == "move":
            self.render(
                event.maze,         
                event.player_position, 
                event.path
                )
        elif event.event == "maze_loaded":
            print("Загружен лабиринт:")
            self.render(
                event.maze,         
                event.player_position, 
                event.path
                )
        else:
            pass
        

    def render(self, maze, player_position, path):
        if path and isinstance(path[0], tuple):
            self.render_xy(maze=maze, player_position=player_position, path=path)
            return
        os.system('cls' if os.name == 'nt' else 'clear')

        path_xy = [cell.getXY() for cell in path]
        
        for line in maze.cells:
            for c in line:
                if c.getXY() == player_position:
                    print('P', end='')
                elif c.getXY() in path_xy:
                    print('*', end='')
                else:
                    print(c.toStr(), end='')

            print()

    def render_xy(self, maze, player_position, path: list[tuple[int, int]]):
        os.system('cls' if os.name == 'nt' else 'clear')
        # path_xy = [cell.getXY() for cell in path]
        
        for line in maze.cells:
            for c in line:
                if c.getXY() == player_position:
                    print('P', end='')
                elif c.getXY() in path:
                    print('*', end='')
                else:
                    print(c.toStr(), end='')
            print()