using GameCore;
using asap.core;
using UnityEngine;
using UnityEngine.Playables;
using System;
using UniRx;
using System.Threading.Tasks;

public enum EBuildingType
{
    UpgradeBuilding = 0,
    Pause = 1,
    Continue = 2,
    Next = 3,
    OpenFix = 4,
    CampPhoto = 5,
}
public class SwitchBuildingData
{
}
public class OnUpgradeBuildingData
{
    public OnUpgradeBuildingData(EBuildingType buildingType, bool CanContinue = true)
    {
        this.type = buildingType;
        this.CanContinue = CanContinue;
    }
    public EBuildingType type;//0-UpgradeBuilding；1-暂停；2-继续；3-下一步 （-1-打开修复）
    public bool CanContinue;//是否可以继续
    public int TimelineId;
    public float StartTime;
    public float Duration;
    public float Speed = 1;
    public string NextPrefab;
    public string CurrentPrefab;
}

public class OnUpgradeBuildingFix
{
    public TaskCompletionSource<bool> ts = new TaskCompletionSource<bool>();
}

public class SwitchVirtualCameraEvent
{
    public int type;
    public bool isDrag = true;
}

public class Building : MonoBehaviour
{
    public PlayableDirector[] directors;
    public PlayableDirector fix;
    public PlayableDirector fade;
    public PlayableDirector enter;
    double _targetTime;
    PlayableDirector _currentDirector;
    private OnUpgradeBuildingData _upgradeBuildingData;

    private void Awake()
    {
        if (fix == null && transform.parent != null)
        {
            fix = transform.parent.Find("Fix")?.GetComponent<PlayableDirector>();
        }
        if (directors != null && directors.Length > 0)
        {
            for (int i = 0; i < directors.Length; i++)
            {
                var director = directors[i];
                director.initialTime = 0;
                director.Evaluate();
            }
        }
    }

    public void SetTimelineDone(int index)
    {
        if (index >= directors.Length)
        {
            Debug.LogError($"[Building::SetTimelineDone] index {index} is out of range, directors length is {directors.Length}");
            index = directors.Length - 1;
        }
        var director = directors[index];
        director.time = director.duration;
        director.initialTime = director.time;
    }

    public void SetTimelineAllDone()
    {
        for (int i = 0; i < directors.Length; i++)
        {
            var director = directors[i];
            director.time = director.duration;
            director.initialTime = director.time;
            director.Evaluate();
        }
    }

    public void SetCurrentTimeLine(int index, float startTime, float duration, bool evaluate)
    {
        if (index >= directors.Length)
        {
            Debug.LogError($"[Building::SetCurrentTimeLine] index {index} is out of range, directors length is {directors.Length}");
            index = directors.Length - 1;
        }

        var director = directors[index];

        if (!evaluate)
        {
            director.time = 0;
            director.initialTime = 0;
        }

        if (director.time >= startTime + duration)
        {
            return;
        }

        director.time = startTime;

        director.initialTime = startTime;

        _targetTime = startTime + duration;

        if (_targetTime > director.duration + 0.01f)
        {
            Debug.LogError($"[Building::SetCurrentTimeLine] _targetTime {startTime + duration} is greater than director duration {director.duration}, clamping to duration.");
            _targetTime = (float)director.duration;
        }

        if (evaluate)
        {
            director.Evaluate();
            _currentDirector = director;
        }
    }

    public void EvaluateAllDrictors()
    {
        for (int i = 0; i < directors.Length; i++)
        {
            var director = directors[i];
            director.Evaluate();
        }
    }

    public void Show(CampDataMM campData)
    {
        if (_currentDirector != null)
            _currentDirector.Pause();
        if (campData != null && campData.TimelineId >= 0 && campData.TimelineId < directors.Length)
        {
            _currentDirector = directors[campData.TimelineId];
        }
        else
        {
            _currentDirector = directors[^1];
            Debug.LogError($"[Building::Show] campData is null or TimelineId {campData?.TimelineId} is out of range, directors length is {directors.Length}");
        }
        _currentDirector.gameObject.SetActive(true);
        _currentDirector.Evaluate();

        // _currentDirector.time = campData.StepInfo.StartTime;
        // _currentDirector.initialTime = campData.StepInfo.StartTime;
        // _currentDirector.Evaluate();
        // _targetTime = MathF.Min(
        //         campData.StepInfo.StartTime + campData.StepInfo.PlayTime, 
        //         (float)_currentDirector.duration);
        // Debug.Log($"[Building::Show] director {_currentDirector.state} {_currentDirector.name} time {_currentDirector.time} {_targetTime}");
    }

    public void ShowFix()
    {
        if (fix != null)
        {
            fix.initialTime = 0;
            fix.Evaluate();
            fix.gameObject.SetActive(true);
        }
        else
        {
            Debug.LogError("fix is null");
        }
    }

    public void OnUpgradeBuilding(OnUpgradeBuildingData data)
    {
        switch (data.type)
        {
            case EBuildingType.UpgradeBuilding:

                //Debug.Log($"[Building::OnUpgradeBuilding update] director {_currentDirector.state} {_currentDirector.name} time {_currentDirector.time} {_targetTime}");
                _currentDirector.Play();
                _currentDirector.playableGraph.GetRootPlayable(0).SetSpeed(data.Speed);
                _upgradeBuildingData = data;
                break;
            case EBuildingType.Pause:
                _currentDirector.Pause();
                break;
            case EBuildingType.Continue:
                _currentDirector.Resume();
                break;
            case EBuildingType.Next:
                OnNext(data.TimelineId, data.StartTime, data.Duration);
                break;

#if UNITY_EDITOR
            case EBuildingType.OpenFix:
                ShowFix();
                break;
#endif
            default:
                break;
        }
    }

    private void OnNext(int TimelineId, float startTime, float duration)
    {
        SetCurrentTimeLine(TimelineId, startTime, duration, true);
    }

    public async void OnFix(OnUpgradeBuildingFix onUpgradeBuildingFix, Action onFixed)
    {
        if (fix)
        {
            fix.Play();
            await Awaiters.Seconds((float)fix.duration);
            if (fix)
            {
                fix.Stop();
                fix.gameObject.SetActive(false);
            }
            onFixed?.Invoke();
        }
    }

    public double Fade()
    {
        if (fade == null)
            return 0;
        fade.time = 0;
        fade.initialTime = 0;
        _currentDirector = null;
        fade.Play();
        return fade.duration;
    }

    public double Enter()
    {
        if (enter == null)
            return 0;
        enter.time = 0;
        enter.initialTime = 0;
        enter.Play();
        return enter.duration;
    }

    //public double GetRestTime()
    //{
    //if(_currentDirector == null)
    //return 0;
    //if(_currentDirector.state != PlayState.Playing)
    //return 0;
    //return _targetTime - _currentDirector.time;
    //}

    private void Update()
    {
        if (_currentDirector != null && _currentDirector.state == PlayState.Playing)
        {
            if (_targetTime - _currentDirector.time < 0.001f)
            {
                _currentDirector.Pause();
                _currentDirector.time = _targetTime;
                if (_upgradeBuildingData != null)
                {
                    _upgradeBuildingData.CanContinue = true;
                    _upgradeBuildingData = null;
                }
            }
        }
    }
}