using System;
using System.Collections.Generic;
using Cal.DataTable;
using UnityEngine;

namespace ET
{
    [ActorMessageHandler]
    public class G2M_CreateUnitHandler : AMActorRpcHandler<Scene, G2M_CreateUnit, M2G_CreateUnit>
    {
        protected override async ETTask Run(Scene scene, G2M_CreateUnit request, M2G_CreateUnit response, Action reply)
        {
            try
            {
                Log.Debug($"*********************************************************UserId = {request.PlayerId} 开始进入游戏");
                bool isNewUser = false;
                User user = UserComponent.Instance.Get(request.PlayerId);
                if (user == null)
                {
                    isNewUser = true;
                    user = await UserComponent.Instance.Query(request.PlayerId);
                }
                if (user == null)
                {
                    response.Message = $"没有这个玩家";
                    Log.Error($"服务器没有这个玩家Id={ request.PlayerId}");
                    reply();
                    return;
                }
                if (!await CheckChangeDB(user))
                {
                    response.Message = $"数据调整完毕，请重新登录";
                    reply();
                    return;
                }
                Unit unit = MapUnitComponent.Instance.Get(user.Id);
                long id = user.Id;
                int zone = scene.DomainZone();
                NumericComponent num;
                PlayerData data;
                bool isOnline = false;
                if (unit)
                {
                    isOnline = true;
                    unit.isAgainOnLine = true;
                    unit.IsOffline = false;
                    Log.Debug($"【{ UserComponent.Instance.Get(unit.Id)?.NickName} ({ unit.Id})】 断线之后重新进入游戏了");

                    num = unit.GetComponent<NumericComponent>();
                    data = unit.GetComponent<PlayerData>();

                    unit.RemoveComponent<UserGateComponent>();
                    unit.AddComponent<UserGateComponent, long>(request.GateSessionId);

                    TeamComponent.Instance.Get(unit.TeamLeaderId);
                }
                else
                {
                    Log.Debug($"【{request.PlayerId}】 新进入游戏");

                    unit = EntityFactory.CreateWithId<Unit, UnitType>(scene, user.Id, UnitType.Player);
                    unit.isAgainOnLine = false;
                    user.SkinId = 0;

                    //!移动
                    unit.AddComponent<MoveComponent>();
                    unit.AddComponent<Position>();
                    unit.AddComponent<UnitPathFindComponent>();

                    //!存档
                    await UnitHelper.AddComponentFromDB(unit,user.JobId);
                    
                    //!自动技能AI
                    unit.AddComponent<SkillAI>();
                    unit.AddComponent<SkillMgrComponent>();
                    unit.AddComponent<ModifierContainerComponent>();
                    unit.AddComponent<MapMonsterComponent>();
                    
                    //!通讯相关
                    unit.AddComponent<MailBoxComponent>();
                    await unit.AddLocation();
                    unit.AddComponent<UserGateComponent, long>(request.GateSessionId);
                    unit.AddComponent<BrocastComponent, bool>(true);

                    MapScene map = unit.GetMapByUnitScene();
                    await map.Enter(unit);
                    //!队伍
                    TeamComponent.Instance.CreateTeam(unit.Id);
                    //!战斗组件
                    unit.AddComponent<BattleComponent>().BattleType = BattleType.None;
                    unit.AddComponent<AttackComponent>();
                    unit.AddComponent<TargetableUnitComponent>();
                    unit.AddComponent<Combat>();

                    var pet = unit.GetComponent<Pet>();
                    Game.EventSystem.Change(pet);
                }
                Log.Debug($"【{ UserComponent.Instance.Get(unit.Id)?.NickName} ({ unit.Id})】 组件添加完毕");

                if (isNewUser)
                {
                    UserComponent.Instance.Add(user);
                    UserComponent.Instance.Save(user);
                }

                response.IsOnLine = isOnline;
                reply();
                
                //添加技能
                SkillMgrComponent skillMgr = unit.GetComponent<SkillMgrComponent>();
                UnitSkillComponent skillComponent = unit.GetComponent<UnitSkillComponent>();
                foreach (UnitSkill unitSkill in skillComponent.GetLearnedSkills())
                {
                    skillMgr.AddSkill(unit, unitSkill);
                }

                CharacterHelper.SyncNumeric(unit);
                CharacterHelper.RecoverUnit(unit);


                Log.Debug($"【{ UserComponent.Instance.Get(unit.Id)?.NickName} ({ unit.Id})】请求进入地图完成");
            }
            catch (System.Exception e)
            {
                Log.Error(e);
            }
        }

        private async ETTask<bool> CheckChangeDB(User user)
        {
            if (user.isChangeDB) return true;
            Log.Warning($"开始修改{user.Id}的数据");
            Unit unit = await DBComponent.Instance.Query<Unit>(user.Id);
            if (unit == null) return false;
            unit.Domain = Game.Scene;


            PlayerData data = unit.GetComponent<PlayerData>();
            Character character = unit.GetComponent<Character>();
            NumericComponent num = unit.GetComponent<NumericComponent>();
            UnitSkillComponent unitSkill = unit.GetComponent<UnitSkillComponent>();
            UserSetting setting = unit.GetComponent<UserSetting>();
            UnitTask unitTask = unit.GetComponent<UnitTask>();
            Bag bag = unit.GetComponent<Bag>();
            UnitScene unitScene = unit.GetComponent<UnitScene>();
            if (unitScene == null)
                unitScene = EntityFactory.CreateWithId<UnitScene>(Game.Scene, user.Id);
            unitScene.Id = user.Id;

            UnitHelper.SaveComponenet(data);
            UnitHelper.SaveComponenet(character);
            UnitHelper.SaveComponenet(num);
            UnitHelper.SaveComponenet(unitSkill);
            UnitHelper.SaveComponenet(setting);
            UnitHelper.SaveComponenet(unitTask);
            UnitHelper.SaveComponenet(bag);
            UnitHelper.SaveComponenet(unitScene);

            unit.Dispose();
            user.isChangeDB = true;
            UserComponent.Instance.Save(user);
            return false;
        }
    }
}