using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
using UnityEngine.UI;

public class timelineCtrl : MonoBehaviour
{
    public Slider sliderS;
    public Slider sliderM;
    public Slider sliderQ;
    public GameObject s;
    public GameObject m;
    public GameObject q;
    public GameObject s1;
    public GameObject m1;
    public GameObject q1;
    public TimelineAsset timeline;
    public PlayableDirector timeplayer;

    int GCnQD = 0;
    private bool isDragging = false;

    // Start is called before the first frame update
    void Awake()
    {
        sliderS.onValueChanged.AddListener(OnSliderValueChanged);
        sliderQ.onValueChanged.AddListener(OnSliderValueChanged);
    }

    private void FixedUpdate()
    {
        if (sliderS.gameObject.activeSelf && !isDragging)
        {
            SliderChengaG();
        }
        if (sliderQ.gameObject.activeSelf && !isDragging)
        {
            SliderChengaQ();
        }
    }
    // 当Slider的值发生改变时会调用这个方法
    private void OnSliderValueChanged(float value)
    {
        if (timeplayer != null && isDragging)
        {
            // 当拖动Slider时，让Timeline同步Slider的进度
            if (sliderS.gameObject.activeSelf)
            {
                SliderChengaG2();
            }
            if (sliderQ.gameObject.activeSelf)
            {
                SliderChengaQ2();
            }
        }
        //Debug.Log("Slider被滑动了，当前值为: " + value);
    }
    public void SliderChengaG()
    {
        if (timeplayer.time < 70)
        {
            sliderS.value = ((float)timeplayer.time / 70f) * 0.3761377f;
        }
        if (timeplayer.time > 70 && timeplayer.time < 136)
        {
            sliderS.value = Mathf.Lerp(0.4191301f, 0.6868095f, ((float)timeplayer.time - 70) / (float)(136 - 70));
        }
        if (timeplayer.time > 136 && timeplayer.time < 181)
        {
            sliderS.value = Mathf.Lerp(.73f, 1, ((float)timeplayer.time - 136) / (float)(181 - 136));
        }
    }
    public void SliderChengaG2()
    {
        if (sliderS.value < 0.3761377f)
        {
            timeplayer.time = (sliderS.value * 70f) / 0.3761377f;
        }
        if (sliderS.value > 0.4191301f && sliderS.value < 0.6868095f)
        {
            timeplayer.time = 70 + ((sliderS.value - 0.4191301f) / (0.6868095f - 0.4191301f)) * 66f;
        }
        if (sliderS.value > 0.73f )
        {
            timeplayer.time = 136 + ((sliderS.value - 0.73f) / 0.27f) * 45f;
        }
    }
    public void SliderChengaQ()
    {
        if (timeplayer.time < 70)
        {
            sliderQ.value = ((float)timeplayer.time / 70f) * 0.3761377f;
        }
        if (timeplayer.time > 70 && timeplayer.time < 157)
        {
            sliderQ.value = Mathf.Lerp(0.4191301f, 0.6868095f, ((float)timeplayer.time - 70) / (float)(157 - 70));
        }
        if (timeplayer.time > 157 && timeplayer.time < 315)
        {
            sliderQ.value = Mathf.Lerp(.73f, 1, ((float)timeplayer.time - 157) / (float)(315 - 157));
        }
    }
    public void SliderChengaQ2()
    {
        if (sliderQ.value < 0.3761377f)
        {
            timeplayer.time = (sliderQ.value * 70f) / 0.3761377f;
        }
        if (sliderQ.value > 0.4191301f && sliderQ.value < 0.6868095f)
        {
            timeplayer.time = 70 + ((sliderQ.value - 0.4191301f) / (0.6868095f - 0.4191301f)) * 87f;
        }
        if (sliderQ.value > 0.73f)
        {
            timeplayer.time = 157 + ((sliderQ.value - 0.73f) / (1f - 0.73f)) * 158f;
        }
    }

    // 当开始拖动Slider时调用的方法
    public void OnSliderDragStart()
    {
        isDragging = true;
        timeplayer.Pause();
    }

    // 当结束拖动Slider时调用的方法
    public void OnSliderDragEnd()
    {
        timeplayer.Play();
        isDragging = false;
    }

    public void TimeInfo(int a)
    {
        if (timeplayer.time <=70)
        {
            s.SetActive(true);
            m.SetActive(false);
            q.SetActive(false);
        }
        if (timeplayer.time > 70 && timeplayer.time < a)
        {
            s.SetActive(false);
            m.SetActive(true);
            q.SetActive(false); 
        }
        if (timeplayer.time > a)
        {
            s.SetActive(false);
            m.SetActive(false);
            q.SetActive(true);
        }
    }
    public void TimeInfo1(int a)
    {
        if (timeplayer.time <= 70)
        {
            s1.SetActive(true);
            m1.SetActive(false);
            q1.SetActive(false);
        }
        if (timeplayer.time > 70 && timeplayer.time < a)
        {
            s1.SetActive(false);
            m1.SetActive(true);
            q1.SetActive(false);
        }
        if (timeplayer.time > a)
        {
            s1.SetActive(false);
            m1.SetActive(false);
            q1.SetActive(true);
        }
    }

    public void startSMQ(float time)
    {
        timeplayer.Stop();
        timeplayer.initialTime = time;
        timeplayer.Play();
    }

    public void MuteTrack(int inNum)
    {
        TrackAsset theTrack = timeline.GetOutputTrack(inNum);
        theTrack.muted = true;
        double t0 = timeplayer.time;
        timeplayer.RebuildGraph();
        timeplayer.time = t0;
        timeplayer.Play();
    }
    public void UnMuteTrack(int inNum)
    {
        TrackAsset theTrack = timeline.GetOutputTrack(inNum);
        theTrack.muted = false;
        double t0 = timeplayer.time;
        timeplayer.Stop();
        timeplayer.time = t0;
        timeplayer.Play();
    }

    public void pauseTimeSet(float t)
    {
        timeplayer.time = t;
        timeplayer.Play();
        timeplayer.Pause();
    }

}