using System.Text;
using Cielonos.MainGame.Characters;
using UnityEngine;

namespace Cielonos.MainGame
{
    public static partial class Attack
    {
        /// <summary>
        /// 攻击上下文：在伤害结算前传递，允许订阅者修改攻击参数和前置决策标记。
        /// </summary>
        public class Context
        {
            public CharacterBase attacker;
            public CharacterBase target;
            public Vector3 hitPosition;
            public string spamGroupID;

            /// <summary>
            /// 可修改的攻击值。订阅者可在结算前调整 damageMultiplier、additionalFlatDamage 等。
            /// </summary>
            public Value value;

            /// <summary>
            /// 前置否决标记：设为 true 会跳过伤害结算，让攻击无效化。
            /// </summary>
            public bool isDenied;

            public Context(CharacterBase attacker, CharacterBase target,
                string spamGroupMainPart, Vector3 hitPosition = default)
            {
                this.attacker = attacker;
                this.target = target;

                StringBuilder fullIDBuilder = new StringBuilder();
                fullIDBuilder.Append(attacker is null ? "Null" : attacker.GetInstanceID().ToString());
                fullIDBuilder.Append("_");
                fullIDBuilder.Append(spamGroupMainPart);
                fullIDBuilder.Append("_");
                fullIDBuilder.Append(target is null ? "Null" : target.GetInstanceID().ToString());

                this.spamGroupID = fullIDBuilder.ToString();
                this.hitPosition = hitPosition;
            }
        }
    }
}