using UnityEngine;
using BaseGames.Equipment;

namespace BaseGames.World.Shop
{
    /// <summary>
    /// 商店单品 SO（架构 15_MapShopModule §2.1）。
    /// 资产路径: Assets/ScriptableObjects/Shop/Item_{ItemId}.asset
    /// </summary>
    [CreateAssetMenu(menuName = "World/Shop/ShopItem")]
    public class ShopItemSO : ScriptableObject
    {
        [Header("标识")]
        public string ItemId;
        public string DisplayName;
        [TextArea(2, 5)]
        public string Description;
        public Sprite Icon;

        [Header("价格")]
        public int  BasePrice;
        public bool IsUnique;           // 购买一次后永久从库存移除

        [Header("商品类型")]
        public ShopItemType ItemType;

        // 按 ItemType 填写以下字段（其余留空）
        public int      HealthRestoreAmount;    // HealthRestoration 类型
        public CharmSO  CharmReference;         // CharmItem 类型
        public string   KeyItemId;              // KeyItem 类型
        public int      MaxPurchaseCount = -1;  // -1 = 无限次
    }

    public enum ShopItemType
    {
        HealthRestoration,
        CharmItem,
        KeyItem,
        ConsumableBuff,
        MapFragment,
    }
}