using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.SubSystems;
using NLDPB;
using PhxhSDK;
using System;
using UnityEngine;

namespace Gameplay.LegionBattle
{
    public sealed partial class LegionBattleManager : Singlenton<LegionBattleManager>, IInitable, IUpdatable
    {
        /// <summary>
        /// 按钮CD(秒)
        /// </summary>
        private const float BUTTON_CD = 3f;
        /// <summary>
        /// 服务器操作消息冷却(秒)
        /// </summary>
        private const float Net_CD = 1f;

        /// <summary>
        /// 服务器消息冷却完成的时间
        /// </summary>
        private DateTime netCDEndTime;

        /// <summary>
        /// 当前军团战阶段
        /// </summary>
        public LegionBattleStatus CurBattleStatus { get; private set; }
        /// <summary>
        /// 当前军团战报名状态
        /// </summary>
        private LegionBattleSignStatus _curBattleLegionBattleSignStatus;

        /// <summary>
        /// 军团长指挥按钮CD结束时间
        /// </summary>
        public DateTime ButtonCDEndTime { get; private set; }

        /// <summary>
        /// 是否可以发送消息
        /// </summary>
        public bool IsSendNet 
        {
            get { return CommonUtils.GetCurTime(CommonUtils.E_TimeType.Server) >= netCDEndTime; }
        }

        /// <summary>
        /// 军团战
        /// </summary>
        public LegionBattle CurBattle { get; private set; }
        /*

		private LegionBattleView v;
		public LegionBattleView View {
			get {
				if(v == null) {
					var go = new GameObject();
					go.name = "LegionBattleView";
					GameObject.DontDestroyOnLoad(go);
					v = go.AddComponent<LegionBattleView>();
					v.Init();
				}

				return v;
			}
		}*/

        public LegionBattleSignStatus CurBattleLegionBattleSignStatus
        {
            get
            {
                return _curBattleLegionBattleSignStatus;
            }

            set
            {
                _curBattleLegionBattleSignStatus = value;
            }
        }

        public void Init()
        {
            InitAction();

            EventManager.Instance.Register<LegionBattleStatus>(EventManager.EventName.LegionBattleStatus, OnBattleLegionStatus);
        }

        public void Update(float deltaTime)
        {
            if (IsLegionBattle)
                CurBattle?.Update(deltaTime);
        }

        public void Release()
        {
            EventManager.Instance.Unregister<LegionBattleStatus>(EventManager.EventName.LegionBattleStatus, OnBattleLegionStatus);

            ReleaseAction();
        }

        #region API

        /// <summary>
        /// 加载军团战
        /// </summary>
        /// <param name="legionBattleMapId"></param>
        /// <returns></returns>
        public async UniTask<E_LoadingResult> LoadLegionBattle()
        {
            await CurBattle.Load();

            return E_LoadingResult.Success;
        }

        /// <summary>
        /// 加载军团战查看地图
        /// </summary>
        /// <returns></returns>
        public async UniTask<E_LoadingResult> LoadLegionBattleInspect()
        {
            CurBattle = new(MapID);
            await CurBattle.LoadInspect();

            return E_LoadingResult.Success;
        }

        /// <summary>
        /// 卸载军团战
        /// </summary>
        public async void UnloadLegionBattle()
        {
            if (null != CurBattle)
            {
                await CurBattle.Unload();
                CurBattle.Release();
                CurBattle = null;
            }
        }

        public static string GetStartTimeStr(int scheduleID)
        {
            var startTime = CommonUtils.GetScheduleStartDateTime(scheduleID);
            var timeStr = startTime.ToString("HH:mm");
            return CommonUtils.GetLocalizeText("legionbattle_start_time",
                startTime.Year, startTime.Month, startTime.Day, timeStr);
        }

        public static string GetEndTimeStr(int scheduleID)
        {
            var endTime = CommonUtils.GetScheduleStartDateTime(scheduleID);
            var timeStr = endTime.ToString("HH:mm");
            return CommonUtils.GetLocalizeText("legionbattle_start_time",
                endTime.Year, endTime.Month, endTime.Day, timeStr);
        }

        /// <summary>
        /// 是否以进行编队
        /// </summary>
        /// <returns></returns>
        public bool CheckIsEditTeam()
        {
            var teams = TeamEditManager.Instance.TeamLegionList;
            foreach (var team in teams)
            {
                if (!team.IsMemberEmpty())
                {
                    return true;
                }
            }

            return false;
        }

        /// <summary>
        /// 获取阵营对应名称
        /// </summary>
        /// <param name="camp"></param>
        /// <returns></returns>
        public static string GetTeamName(BattlefieldActorCamp camp)
        {
            switch (camp)
            {
                case BattlefieldActorCamp.CampA:
                    return CommonUtils.GetLocalizeText("legionbattle_team_blue");
                case BattlefieldActorCamp.CampB:
                    return CommonUtils.GetLocalizeText("legionbattle_team_red");
                default:
                    return CommonUtils.GetLocalizeText("legionbattle_team_none");
            }
        }

        /// <summary>
        /// 设置指挥冷却时间
        /// </summary>
        public void SetCommandCD()
        {
            ButtonCDEndTime = CommonUtils.GetCurTime(CommonUtils.E_TimeType.Server).AddSeconds(BUTTON_CD);

            EventManager.Instance.Send(EventManager.EventName.UpdateLegionBattleButtonCD);
        }

        /// <summary>
        /// 设置军团战所有消息冷却时间
        /// </summary>
        public void SetNetCD()
        {
            netCDEndTime = CommonUtils.GetCurTime(CommonUtils.E_TimeType.Server).AddSeconds(Net_CD);
        }
        #endregion
        
        /// <summary>
        /// 军团战状态变化
        /// </summary>
        /// <param name="legionBattleStatus"></param>
        private void OnBattleLegionStatus(LegionBattleStatus legionBattleStatus)
        {
            CurBattleStatus = legionBattleStatus;
            if (IsLegionBattleOK && LegionBattleStatus.Combat != CurBattleStatus)
            {
                Debug("军团战结束"); // TODO 进入结算
            }
        }
    }
}