using Cysharp.Threading.Tasks;
using Gameplay.Camp;
using Gameplay.Camp.Fsm;
using LTGame;
using PhxhSDK;
using PhxhSDK.Res;
using TGS;
using UnityEngine.SceneManagement;

/// <summary>
/// 营地管理器
/// </summary>
public sealed class CampManager : Singlenton<CampManager>, IInitable, IUpdatable
{
    /// <summary>
    /// 营地数据
    /// </summary>
    private Camp camp;
    /// <summary>
    /// 营地状态机
    /// </summary>
    private NStateMachine<BaseCampState> fsm;
    /// <summary>
    /// 是否在营地中
    /// </summary>
    private bool isCamping;

    /// <summary>
    /// 营地
    /// </summary>
    public Camp Camp 
    { 
        get { return camp; }
    }

    public void Init()
    {
        camp = new Camp();
        fsm = new();

        fsm.Add(new NormalCampState(camp));
        fsm.Add(new EditCampState(camp));
        fsm.Add(new ShootCampState(camp));
    }

    public void Update(float deltaTime)
    {
        if (!isCamping)
            return;

        fsm.LogicUpdate(deltaTime);
    }

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

    /// <summary>
    /// 加载营地数据
    /// </summary>
    public async UniTask Load(SceneHandle sceneHandle)
    {
        // TODO 加载营地数据，从服务器取得营地建筑数据加载到场景中
        await camp.SetInfo(sceneHandle);

        isCamping = true;
    }

    /// <summary>
    /// 进入普通模式
    /// </summary>
    public void EnterNormal()
    {
        fsm.ChangeState((int)E_CampState.Normal);
    }

    /// <summary>
    /// 进入编辑模式
    /// </summary>
    public void EnterEdit()
    {
        fsm.ChangeState((int)E_CampState.Edit);
    }

    /// <summary>
    /// 退出营地
    /// </summary>
    public void Exit()
    {
        fsm.Exit();
        camp.Exit();
        isCamping = false;
    }
}