using System;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Buff;
using Gameplay.Character.Utils;
using Gameplay.Common;
using Gameplay.Net;
using Gameplay.Skill;
using PhxhSDK;
using UnityEngine;
using Constants = Framework.Constants;

namespace Gameplay.Character
{
    public class CharacterManager : IDisposable, IUpdatable
    {

        private readonly Dictionary<uint, Character> _characterDict = new Dictionary<uint, Character>(32);
        private readonly List<Character> _characterList = new List<Character>();
        private readonly Dictionary<int, Troops> _troopDict = new Dictionary<int, Troops>();

        public List<Character> characterList
        {
            get
            {
                return _characterList;
            }
        }

        private bool _needRefreshTargets = false;

        public void Init()
        {
            _RegistEvent();
        }

        public async UniTask EnterBattle()
        {
            for (var i = 0; i < _characterList.Count; ++i)
            {
                var character = _characterList[i];
                await character.EnterBattle();
            }

            _needRefreshTargets = true;
        }

        public void LeaveBattle()
        {
            for (var i = 0; i < _characterList.Count; ++i)
            {
                var character = _characterList[i];
                character.LeaveBattle();
            }
        }

        private void _RegistEvent()
        {
            EventManager.Instance.Register(EventManager.EventName.INFIGHT_UNIT_CELLINDEX_CHANGE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Register(EventManager.EventName.INFIGHT_UP_VEHICLE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Register(EventManager.EventName.INFIGHT_DOWN_VEHICLE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Register(EventManager.EventName.INFIGHT_UNIT_DEAD, (Action<GameUnit>)_OnCharacterDead);
        }

        private void _OnCharacterDead(GameUnit deadCharacter)
        {
            _needRefreshTargets = true;
        }

        private void _OnAnyCharacterCellIndexChange(GameUnit noUse)
        {
            _needRefreshTargets = true;
        }

        private void _UnRegistEvent()
        {
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_UNIT_CELLINDEX_CHANGE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_UP_VEHICLE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_DOWN_VEHICLE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_UNIT_DEAD, (Action<GameUnit>)_OnCharacterDead);
        }

        private void _UpdateTargets()
        {
            _needRefreshTargets = true;
            for (int i = 0; i < _characterList.Count; i++)
            {
                var character = _characterList[i];
                character.UpdateTargets();
            }
        }

        public void Dispose()
        {
            _UnRegistEvent();
            foreach (var charactor in _characterDict)
            {
                charactor.Value.Dispose();
            }
            _characterDict.Clear();
        }

        private async UniTask<Character> _Create(uint id,
            CharacterConfigData configData,
            int teamId, Vector3 pos, float yaw)
        {
            DebugUtil.Log("Create Character id: {0} troopId: {1}",id, teamId);
            var character = new Character(id, configData, teamId);
            character.transData.disableEvent = true;
            character.transData.pos = pos;
            character.transData.yaw = yaw;
            character.transData.disableEvent = false;
            character.Node.GameObject.transform.position = pos;
            character.Node.GameObject.transform.localRotation = Quaternion.Euler(0, yaw, 0);
            await character.LoadAsync();
            await _AddCharacter(character);
            return character;
        }

        private async UniTask _AddCharacter(Character character)
        {
            BuffManager.instance.InitCharacter(character);
            await SkillManager.instance.InitCharacter(character);
            
            _characterDict.Add(character.GetID(), character);
            _characterList.Add(character);
            _AddToTroop(character);
            
            character.buffManager.TriggerEnterBattle();
        }

        private void _RemoveCharacter(Character c,
            int index = -1)
        {
            c?.LeaveBattle();

            if (index == -1)
            {
                index = _characterList.IndexOf(c);
            }
            _characterDict.Remove(c.GetID());
            _characterList.RemoveAt(index);
            _RemoveFromTroop(c);

            BuffManager.instance.RemoveCharacter(c);
            SkillManager.instance.RemoveCharacter(c);

            c.Dispose();

        }

        private void _RemoveFromTroop(Character c)
        {
            var teamId = c.commonData.troopId;
            if (_troopDict.TryGetValue(teamId, out Troops team))
            {
                team.characters.Remove(c);
            }
        }

        public async UniTask<Character> CreateNPC(int npcId,
            int teamId,
            int level,
            Vector3 pos,
            float yaw)
        {
            var uId = GUIDManager.GenGuid();
            var monsterConfig = TableManager.Instance.Tables.Monster.Get(npcId);
            var monsterTConfig = TableManager.Instance.Tables.MonsterClass.Get(monsterConfig.MonsterClassID);
            var monsterLevelConfig = TableManager.Instance.Tables.MonsterLevelUp.Get(level);

            var configData = new CharacterConfigData();
            configData.level = level;
            configData.attack = Mathf.CeilToInt(monsterTConfig.Attack * monsterConfig.AttackFix * monsterLevelConfig.AttackLevelUpTemplate);
            var shootCD = 1f / monsterTConfig.ShootSpeed;
            configData.shootCD = shootCD;
            configData.firstShootTime = monsterTConfig.FirstShootTime;
            configData.maxBulletCount = monsterTConfig.ManagazinContain;
            configData.reloadTime = monsterTConfig.ChangeBulletTime;
            configData.defense = Mathf.CeilToInt(monsterTConfig.Defence * monsterConfig.DefenceFix * monsterLevelConfig.DefenceLevelUpTemplate);
            configData.defenseScale = monsterTConfig.DefenceStatusPara;
            configData.maxHp = Mathf.CeilToInt(monsterTConfig.Hp * monsterConfig.HPFix * monsterLevelConfig.HpLevelUpTemplate);
            configData.maxShield = Mathf.CeilToInt(monsterTConfig.Shield * monsterConfig.ShieldFix * monsterLevelConfig.ShieldLevelUpTemplate);
            configData.moveSpeed = monsterTConfig.Speed;
            configData.retreatSpeed = monsterTConfig.RetreatSpeed;
            configData.shootDistance = monsterTConfig.ShootRange;
            configData.moraleAttack = (int)monsterTConfig.YaZhi;
            configData.initMorale = monsterTConfig.MaxMorale;
            configData.maxMorale = monsterTConfig.MaxMorale;
            configData.suppressMorale = monsterTConfig.SuppressMorale;
            configData.retreatMorale = monsterTConfig.RetreatMorale;
            configData.moraleRecover = (int)monsterTConfig.CorrageRecover;
            configData.damagePepoleScale = monsterTConfig.DamageToHuman;
            configData.damageCarsScale = monsterTConfig.DamageToCarrier;
            configData.criticalRate = monsterTConfig.CriticalRatio;
            configData.criticalScale = monsterTConfig.CriticalDamage;
            configData.moveShootType = monsterTConfig.MoveShootType;
            configData.breakShootType = (int)monsterTConfig.ShootMode;
            configData.perShootCount = monsterTConfig.PerShootCount;
            configData.skillId = monsterTConfig.SkillId;
            configData.turnSpeed = monsterTConfig.TurnSpeed;
            configData.job = monsterTConfig.Job;
            configData.faction = monsterTConfig.Fraction;
            configData.rarity = 0;
            configData.modelPath = monsterTConfig.PrefabPath;
            configData.weaponId = monsterTConfig.WeaponId;
            configData.crossLevel = monsterTConfig.MoveCrossLevel;
            configData.standLevel = monsterTConfig.StandCrossLevel;
            configData.findEnemyRange = monsterConfig.FindEnemyRange;
            configData.eyeBrowsType = monsterTConfig.EmojiEyeBowsType;
            configData.eyeBrowColor = monsterTConfig.EmojiEyeBowsColor;
            configData.eyesColor = monsterTConfig.EmojiEyesColor;
            configData.inFightEmojiId = monsterTConfig.DefaultEmojiImgId;


            return await _Create(uId, configData, teamId, pos, yaw);
        }

        public async UniTask<Character> CreateCharacter(CharacterDataInfo characterInfo,
            int teamId, Vector3 pos, float yaw)
        {
            var cId = characterInfo.Cfg.RoleID;
            var characterData = TableManager.Instance.Tables.CharacterAttri.Get(cId);
            var fakeLevel = (int)characterInfo.Level;

            var levelIndex = fakeLevel - 1;
            var attackDataList = characterData.Attack;
            var defenceDataList = characterData.Defence;
            var hpDataList = characterData.Hp;
            var shieldDataList = characterData.Shield;

            var levelAttack = attackDataList[levelIndex];
            var levelDefence = defenceDataList[levelIndex];
            var levelHp = hpDataList[levelIndex];
            var levelShield = shieldDataList[levelIndex];
            
            var skillId = CharacterDataHelper.GetCharacterSkillId(characterInfo);

            var configData = new CharacterConfigData();
            configData.level = fakeLevel;
            configData.attack = levelAttack;
            var shootCD = 1f / characterData.ShootSpeed;
            configData.shootCD = shootCD;
            configData.firstShootTime = characterData.FirstShootTime;
            configData.maxBulletCount = characterData.ManagazinContain;
            configData.reloadTime = characterData.ChangeBulletTime;
            configData.defense = levelDefence;
            configData.defenseScale = characterData.DefenceStatusPara;
            configData.maxHp = levelHp;
            configData.maxShield = levelShield;
            configData.moveSpeed = characterData.Speed;
            configData.retreatSpeed = characterData.RetreatSpeed;
            configData.shootDistance = characterData.ShootRange;
            configData.moraleAttack = (int)characterData.YaZhi;
            configData.initMorale = characterData.MaxMorale;
            configData.maxMorale = characterData.MaxMorale;
            configData.suppressMorale = characterData.SuppressMorale;
            configData.retreatMorale = characterData.RetreatMorale;
            configData.moraleRecover = (int)characterData.CorrageRecover;
            configData.damagePepoleScale = characterData.DamageToHuman;
            configData.damageCarsScale = characterData.DamageToCarrier;
            configData.criticalRate = characterData.CriticalRatio;
            configData.criticalScale = characterData.CriticalDamage;
            configData.moveShootType = characterData.MoveShootType;
            configData.breakShootType = (int)characterData.ShootMode;
            configData.perShootCount = characterData.PerShootCount;
            configData.skillId = skillId;
            configData.turnSpeed = characterData.TurnSpeed;
            configData.job = characterData.Job;
            configData.faction = characterData.Fraction;
            configData.rarity = characterData.StartStar;
            configData.modelPath = TableManager.Instance.Tables.SkinCfg.Get(Constants.DEFULT_SKINID,characterData.RoleID).PrefabPath;
            configData.weaponId = characterData.WeaponId;
            configData.crossLevel = characterData.MoveCrossLevel;
            configData.standLevel = characterData.StandCrossLevel;
            configData.boundTags = new List<int>();
            configData.boundTags.Add((int)characterData.Fraction);
            
            configData.shiledRecoverDelay = characterData.ShieldRecoverDelay;
            configData.shieldRecoverFix = characterData.ShiledRecoverValueFixed;
            configData.shiledRecoverPercent = characterData.ShiledRecoverValuePercent;
            configData.overflowShield = characterData.OverFlowShiledMax;

            configData.hpRecoverDelay = characterData.HPRecoverDelay;
            configData.hpRecoverFix = characterData.HPRecoverValueFixed;
            configData.hpRecoverPercent = characterData.HPRecoverValuePercent;

            configData.attackShiledScale = characterData.AttackShiledScale;
            configData.attackHpScale = characterData.AttackHpScale;
            
            configData.eyeBrowsType = characterData.EmojiEyeBowsType;
            configData.eyesColor = characterData.EmojiEyesColor;
            configData.eyeBrowColor = characterData.EmojiEyeBowsColor;
            configData.inFightEmojiId = characterData.DefaultEmojiImgId;

            return await _Create(characterInfo.ID, configData, teamId, pos, yaw);
        }

        private void _AddToTroop(Character c)
        {
            var teamId = c.commonData.troopId;
            if (_troopDict.TryGetValue(teamId, out Troops team))
            {
                team.characters.Add(c);
            }
            else
            {
                team = new Troops(teamId);
                team.characters.Add(c);
                _troopDict.Add(teamId, team);
            }
        }

        public void Remove(uint id)
        {
            try
            {
                if (_characterDict.TryGetValue(id, out Character c))
                {
                    _RemoveCharacter(c);
                    //c.Dispose();
                }
            }
            catch (Exception e)
            {
                DebugUtil.LogError("Remove character error: {0}", e.Message);
            }

        }

        public Character Get(uint id)
        {
            Character character;
            _characterDict.TryGetValue(id, out character);
            return character;
        }

        public void SearchEnemies(GameUnit self,
            List<GameUnit> enemyList)
        {
            if (self == null) return;

            if (self.controlData.followUnit != null
                && Level.Level.IsEnemy(self.controlData.followUnit.commonData.troopId, self.commonData.troopId))
            {
                enemyList.Add(self.controlData.followUnit);
            }
            foreach (var team in _troopDict)
            {
                if (Level.Level.IsEnemy(team.Key, self.commonData.troopId))
                {
                    enemyList.AddRange(team.Value.characters);
                }
            }
        }
        public void SearchFriends(GameUnit self,
            List<GameUnit> friendList)
        {
            if (self == null) return;

            if (self.controlData.followUnit != null
                && !Level.Level.IsEnemy(self.controlData.followUnit.commonData.troopId, self.commonData.troopId))
            {
                friendList.Add(self.controlData.followUnit);
            }
            foreach (var team in _troopDict)
            {
                if (!Level.Level.IsEnemy(team.Key, self.commonData.troopId))
                {
                    friendList.AddRange(team.Value.characters);
                }
            }
        }

        public void Update(float deltaTime)
        {
            for (var i = 0; i < _characterList.Count; ++i)
            {
                var character = _characterList[i];
                character.Update(deltaTime);

                if (character.runtimeData.needRemove)
                {
                    // 触发buff
                    character.buffManager.TriggerExitBattle();
                    _RemoveCharacter(character, i);
                    i--;
                }
            }

            if (_needRefreshTargets)
            {
                _UpdateTargets();
            }
        }



        public void ForEach(Action<Character> action)
        {
            foreach (var charactor in _characterDict)
            {
                action(charactor.Value);
            }
        }

        public List<Character> FindAll(Func<Character, bool> conditions)
        {
            List<Character> result = new List<Character>();
            foreach (var charactor in _characterDict)
            {
                if (conditions(charactor.Value))
                {
                    result.Add(charactor.Value);
                }
            }

            return result;
        }

        public Character FindOne(Func<Character, bool> conditions)
        {
            foreach (var charactor in _characterDict)
            {
                if (conditions(charactor.Value))
                {
                    return charactor.Value;
                }
            }
            return null;
        }
    }
}