using System.Collections.Generic;
using UnityEngine;
using BaseGames.Localization;

namespace BaseGames.Equipment
{
    /// <summary>
    /// 护符数据 SO（架构 09_ProgressionModule §3）。
    /// 资产路径: Assets/ScriptableObjects/Equipment/Charms/Charm_{Name}.asset
    /// </summary>
    [CreateAssetMenu(menuName = "BaseGames/Equipment/Charm")]
    public class CharmSO : ScriptableObject, ILocalizableAsset
    {
        [Header("Identity")]
        public string   charmId;        // 全局唯一 ID，如 "Charm_QuickSlash"
        public string   displayNameKey; // 本地化 Key
        [TextArea(2, 4)]
        public string   descriptionKey;

        [Header("Visual")]
        public Sprite   icon;
        public Color    glowColor;

        [Header("Slot Cost")]
        [Range(1, 4)]
        public int      notchCost;      // 占用笔记数（1~4）

        [Header("Effects")]
        [SerializeReference]
        public List<ICharmEffect> effects = new();  // 多态序列化

        [Header("Lore")]
        public bool     isUnique;
        public string   unlockHint;

        public IEnumerable<LocalizationKeyRef> GetLocalizationKeys()
        {
            if (!string.IsNullOrEmpty(displayNameKey))
                yield return new LocalizationKeyRef(displayNameKey, "Items", nameof(displayNameKey));
            if (!string.IsNullOrEmpty(descriptionKey))
                yield return new LocalizationKeyRef(descriptionKey, "Items", nameof(descriptionKey));
        }
    }
}