using Entitas;
using UnityEngine;
using Game;
using System;
using System.Collections.Generic;

[Game]
public class SkillComponent : IComponent
{
    public MetaData<string> SkillId = new MetaData<string>(); //正在释放的技能id
    public bool IsRunning; //是否技能释放中
    public Vector3 CastDir; //技能释放方向

    public HashSet<Tuple<int, int>> HitSet = new HashSet<Tuple<int, int>>(); //技能命中信息 生命周期为一次技能释放
    public List<SkillHitInfo> HitInfo = new List<SkillHitInfo>(); //受击命中信息 结算时清空
}

namespace Game
{
    public abstract partial class Util
    {
        public static void CastSkill(GameEntity entity, string skillId, string skillTimeline, Vector3 castDir)
        {
            TimelineManager.Instance.EndSkillTimeline(entity);
            entity.skill.HitSet.Clear();

            var skill = entity.skill;
            var move = entity.move;
            skill.IsRunning = true;
            entity.iD.Data.IsFreeControl = false;
            move.IsFreeTurn = false;
            move.TempMoveForceScale = 0;

            skill.CastDir = castDir;
            skill.SkillId.Value = skillId;
            move.MoveDir = castDir; //释放技能会覆盖移动方向
            if (castDir != GameConst.NoneDir && castDir != GameConst.Stop)
            {
                if (castDir.x != 0)
                {
                    move.IsRight = castDir.x > 0;
                }
            }

            TimelineManager.Instance.RunSkillTimeline(entity, skillTimeline);
        }

        public static void EndSkillTimeline(GameEntity entity)
        {
            TimelineManager.Instance.EndSkillTimeline(entity);
            ClearSkill(entity);
            var move = entity.move;
            entity.iD.Data.IsFreeControl = true;
            move.IsFreeTurn = true;

            if (entity.hasCombo)
            {
                entity.combo.Stance = EComboStance.Idle;
            }
        }

        public static void ClearSkill(GameEntity entity)
        {
            var skill = entity.skill;
            skill.HitSet.Clear();
            skill.IsRunning = false;
            skill.SkillId.Value = "";
        }

        public static void CastSkillMonster(GameEntity entity, int index, Vector3 castDir)
        {
            if (!entity.hasAI)
            {
                return;
            }

            var cfgData = Util.GetMonsterConfigData(entity.CfgId());
            var cfg = cfgData.GetFeatureEntityParamMonster();
            var skillList = cfg.MonsterSkillList;
            if (skillList.Count == 0)
            {
                Util.Print("怪物技能数量为0:", entity.CfgId());
                return;
            }
            else if (index < 0 || index >= skillList.Count)
            {
                Util.Print("怪物技能释放失败 序号错误:", entity.CfgId(), index, skillList.Count);
                return;
            }

            var skillCfg = Util.GetSkillMonsterConfigData(skillList[index].TechnicalName);
            var skillTimeline = skillCfg.Template.Skill.Timeline;
            CastSkill(entity, skillCfg.TechnicalName, skillTimeline, castDir);
        }

        private static void CastSkillBullet(GameEntity entity)
        {
            if (!entity.hasBullet)
            {
                return;
            }

            var bullet = entity.bullet;
            CastSkill(entity, "bullet", bullet.Timeline, bullet.CastDir);
            Util.EntityMove(entity.ID(), bullet.CastDir);
        }
    }
}