// Assets/Scripts/World/Puzzle/PuzzleInterfaces.cs
// 谜题系统核心接口（Architecture 21_LiquidPuzzleModule §8）
using System;
using UnityEngine;

namespace BaseGames.Puzzle
{
    /// <summary>任何可被切换激活/停用状态的谜题元素。</summary>
    public interface ISwitchable
    {
        bool IsActive { get; }
        event Action<bool> OnStateChanged;

        /// <summary>SaveData 恢复时调用，强制设置状态不触发副作用逻辑。</summary>
        void ForceState(bool active);
    }

    /// <summary>可被玩家推动的物件（需 Rigidbody2D）。</summary>
    public interface IMovable
    {
        bool CanBePushed { get; }
        void OnPushStart(Vector2 direction);
        void OnPushEnd();
    }

    /// <summary>接受激活信号后改变自身状态的物件。</summary>
    public interface IActivatable
    {
        void Activate();
        void Deactivate();
        bool IsActivated { get; }
    }
}