/*
 * @Author: 白哉
 * @Description:
 * @Date: 2025年11月15日 星期五
 * @Modify:
 */


using System;
using System.Collections.Generic;
using MemoryPack;
using RuntimeData;
using UnityEngine;


namespace Logic.Skill
{
    public partial class MomijiHuntSkill : SkillBase
    {
        
        public MomijiHuntSkill()
        {
            IsPermanent = true;
            TurnsLimit = 0;
            Score = 2;
        }

        public override SkillType GetSkillType()
        {
            return SkillType.MOMIJIHUNT;
        }

        /*public override void BeforeActiveAttackOther(MapData mapData, UnitData origin, UnitData target,out int dmg)
        {
            dmg = 0;
            if (target == null || !target.IsAlive()) return;
            AddPrey(mapData, origin, target);
        }*/

        //为target赋予新的标记
        private void AddPrey(MapData mapData, UnitData self, UnitData target)
        {
            //Step #1 如果对方已经有标记，不再增加标记
            if (target.GetSkill(SkillType.MOMIJIPREY, out var skill)) return;
            
            //Step #2 查询场上的所有标记情况
            //核心逻辑：每次新增的skill 的Rank值最大。然后如果超额了，就把rank值最小的那个删掉
            var unitList = new List<UnitData>();
            UnitData minUnit = null;
            int maxRank = 0;
            int minRank = 999;
            foreach(var unit in mapData.UnitMap.UnitList)
                if (unit.GetSkill(SkillType.MOMIJIPREY, out var hunter))
                {
                    unitList.Add(unit);
                    var p = hunter as MomijiPreySkill;
                    if (p == null) continue;
                    if (p.rank < minRank)
                    {
                        minRank = p.rank;
                        minUnit = unit;
                    }
                    
                    if(p.rank > maxRank) maxRank = p.rank;
                }
            
            //Step #3 确定是否数量超标，如果超标，删除最远的那个
            int limit = 1;
            if (self.GetSkill(SkillType.MOMIJIHUNTERATTACK, out var _)) limit = 3;
            if (unitList.Count >= limit)
            {
                //如果超出数量限制，把min的删掉，
                if(minUnit != null)
                    minUnit.RemoveSkill(SkillType.MOMIJIPREY,mapData);
            }

            //Step #4 填加标记,时间戳rank设置为最大+1
            target.AddSkill_Legacy(SkillType.MOMIJIPREY,mapData,false,1,false,-1,false,SpecialAddSkillType.Force,0);
            target.GetSkill(SkillType.MOMIJIPREY,out var targetSkill);
            //targetSkill?.SetTurnsLimit(1);
            var tp = targetSkill as MomijiPreySkill;
            tp?.SetRank(maxRank + 1);
            
        }
        public override void OnUnitDamaged(UnitData self, MapData mapData, SettlementInfo info)
        {
            //3格范围内才可以
            if (mapData.GridMap.CalcDistance(self.Grid(mapData), info.DamageTargetGrid) > 3) return;
            if (info.DamageType != DamageType.ActiveAttack) return;
            //必须是我方阵营(不能是盟友)攻击的目标才会附着
            if (!self.Player(mapData, out var player)) return;
            if (!info.DamageOrigin.Player(mapData, out var originPlayer) ||
                originPlayer.Id!= player.Id) return;
            //如果受伤目标已经死亡
            if (!info.DamageTarget.IsAlive()) return;
            
            AddPrey(mapData, self, info.DamageTarget);
        }
        
    }
}