using cfg.LegionBattleCfg;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Common;
using Gameplay.SubSystems;
using LTGame;
using PhxhSDK;
using UnityEngine;

namespace Gameplay.LegionBattle
{
    public sealed partial class LegionBattle : IUpdatable, ILoadable
    {
        /// <summary>
        /// 军团战状态
        /// </summary>
        private NStateMachine<BaseLegionBattleState> fsm;

        /// <summary>
        /// 加载完成
        /// </summary>
        /// <returns></returns>
        public bool IsLoadComplete { get; private set; }
        
        public LegionBattle()
        {
            fsm = new();

            fsm.Add(new LegionBattleStatePrepare(this));
            fsm.Add(new LegionBattleStateBattle(this));
            fsm.Add(new LegionBattleStateOver(this));

            IsLoadComplete = false;
        }

        public LegionBattle(int mapId)
        {
            fsm = new();

            fsm.Add(new LegionBattleStateInspect(this));

            foreach (DataLegionBattleMap dataLegionBattleMap in TableManager.Instance.Tables.LegionBattleMap.DataList)
            {
                if (dataLegionBattleMap.ID == mapId)
                {
                    MapCfg = dataLegionBattleMap;
                    break;
                }
            }

            IsLoadComplete = false;
        }

        /// <summary>
        /// 加载军团战
        /// </summary>
        /// <returns></returns>
        public async UniTask Load()
        {
            AssetManager.Instance.PostPreload(PathDefine.RoadLine.ROAD_LINE_STRAIGHT);

            await LoadMap(); // 加载地图
            await LoadLevelData(); // 加载关卡数据

            await AssetManager.Instance.WaitAllPreloads();

            await LoadActor(); // 加载玩家

            IsLoadComplete = true;
        }

        /// <summary>
        /// 加载军团战查看地图
        /// </summary>
        /// <returns></returns>
        public async UniTask LoadInspect()
        {
            await LoadMap(); // 加载地图
            await LoadLevelData(); // 加载关卡数据

            IsLoadComplete = true;
        }

        public void Update(float deltaTime)
        {
            fsm.LogicUpdate(deltaTime);
        }

        public async UniTask Unload()
        {
            CameraManager.Instance.RevertMainCamera();
            MapUtils.UnLoadMap(Map);

            ClearInfo();

            await GameSceneManager.Instance.UnLoadSceneAsync(MapCfg.Path);
            AssetManager.Instance.Unload(PathDefine.RoadLine.ROAD_LINE_STRAIGHT);
        }

        public void Release()
        {
            fsm.Exit();
            fsm = null;
        }

        /// <summary>
        /// 进入军团战查看地图
        /// </summary>
        public void EnterLegionBattleInspect()
        {
            fsm.SetForceChangeState((int)E_LegionBattleState.Inspect);
        }

        /// <summary>
        /// 进入军团战
        /// </summary>
        public void EnterLegionBattle()
        {
            //fsm.SetForceChangeState((int)E_LegionBattleState.Prepare);
            BeginLegionBattle();
        }

        /// <summary>
        /// 开始军团战
        /// </summary>
        public void BeginLegionBattle()
        {
            fsm.SetForceChangeState((int)E_LegionBattleState.Battle);
        }

        /// <summary>
        /// 结束军团战
        /// </summary>
        public void EndLegionBattle(LegionSettleData legionSettleData)
        {
            fsm.SetForceChangeState((int)E_LegionBattleState.Over, legionSettleData);
        }

        /// <summary>
        /// 点击屏幕
        /// </summary>
        /// <param name="screenPos"></param>
        public void ClickFromScreen(Vector2 screenPos)
        {
            fsm.currentState?.ClickFromScreen(screenPos);
        }
    }
}