using System;
using UnityEngine;
using Animancer;
using BaseGames.Combat;
using BaseGames.Feedback;

namespace BaseGames.Player
{
    /// <summary>
    /// 武器数据 SO（纯数据，不含 Prefab 引用）。
    /// 每个攻击方向对应一个 DamageSourceSO 和 ClipTransition。
    /// HitBox 直接挂载在 Player Prefab 上（架构 05_PlayerModule §7）。
    /// </summary>
    [CreateAssetMenu(menuName = "BaseGames/Player/Weapon")]
    public class WeaponSO : ScriptableObject
    {
        [Header("基础信息")]
        public string    weaponId;      // 全局唯一 ID，如 "Weapon_SkyBlade"
        public string    displayName;   // 显示名，如 "天裂刃"
        public Sprite    icon;
        public WeaponType weaponType;

        [Header("连击动画（Animancer ClipTransition）")]
        public ClipTransition attack1Clip;
        public ClipTransition attack2Clip;
        public ClipTransition attack3Clip;
        public ClipTransition airAttackClip;
        public ClipTransition upAttackClip;
        public ClipTransition downAttackClip;

        [Header("伤害来源（每段独立 DamageSourceSO）")]
        public DamageSourceSO attack1Source;
        public DamageSourceSO attack2Source;
        public DamageSourceSO attack3Source;
        public DamageSourceSO airAttackSource;
        public DamageSourceSO upAttackSource;
        public DamageSourceSO downAttackSource;

        [Header("HitBox Prefab")]
        [Tooltip("武器专属 HitBox Prefab，内含 WeaponHitBoxInstance。\nWeaponManager 在切换武器时实例化于 [WeaponSocket] 下，武器卸下时销毁。\n命名规范：Assets/Prefabs/Weapons/WPN_{weaponId}_HitBox.prefab")]
        public GameObject hitBoxPrefab;

        [Header("武器特效")]
        public WeaponVFXConfig vfxConfig;

        [Header("战斗参数")]
        [Tooltip("命中确认时增加的灵力值（覆盖 PlayerCombat 默认值 10）")]
        [Min(0)]
        public int soulPowerGain = 10;

        // ── 方向查询 ──────────────────────────────────────────────────────────
        public DamageSourceSO GetSourceByDir(AttackDirection dir) => dir switch
        {
            AttackDirection.Ground => attack1Source,
            AttackDirection.Up     => upAttackSource,
            AttackDirection.Down   => downAttackSource,
            AttackDirection.Air    => airAttackSource,
            _                      => attack1Source,
        };

        public ClipTransition GetClipByCombo(int comboIndex) => comboIndex switch
        {
            0 => attack1Clip,
            1 => attack2Clip,
            2 => attack3Clip,
            _ => attack1Clip,
        };
    }

    // ── 武器类型枚举（架构 05 §7）──────────────────────────────────────────────
    public enum WeaponType
    {
        SkyBlade,    // 天魂：裂空刃（高频轻击）
        EarthHammer, // 地魂：地震锤（低频重击，范围大）
        LifeScythe,  // 命魂：命镰（穿透，直线斩）
        Custom,      // 护符替换或未来扩展武器
    }

    // ── 武器特效配置（[Serializable] 内嵌，架构 05 §7）────────────────────────
    [Serializable]
    public class WeaponVFXConfig
    {
        [Tooltip("切换到此武器时播放的特效预设 ID（对应 IFeedbackPlayer.TriggerPreset）")]
        public string onEquipPresetId;

        [Tooltip("武器挥斩拖尾 Prefab（null = 不显示拖尾）")]
        public GameObject weaponTrailPrefab;

        public Color trailColor = Color.white;
    }
}