using DG.Tweening;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class FuTiManager : MonoBehaviour
{
    public static FuTiManager Instance;

    [Header("被移动的屏幕")]
    public RectTransform MoveCanvas;

    [Header("被移动的摄像机")]
    public Transform MoveCamera;

    [Header("移动速度")]
    public float CanvasSpeed = 5f; // 屏幕移动速度
    public float CameraSpeed = 5f;   //摄像机移动速度

    [Header("屏幕移动限制，0是左，1是右")]
    public float[] CanvasMaxValues;

    [Header("摄像机移动限制，0是左，1是右")]
    public float[] CameraMaxValues;

    private bool isLeft = false;
    private bool isRight = false;

    [Header("所有页面")]
    public GameObject[] AllPages;
    private int m_curPageNum = 0;

    [Header("爆炸摄像机")]
    public Transform CameraObj;
    //爆炸摄像机最佳位置
    public Transform tarPos;
    //爆炸摄像机移动初始位置
    public Transform moveStartPos;
    public float duration = 2f;
    public bool IsCanMove=false;

    [Header("所有视频播放器")]
    public VideoPlayer[] AllVideos;

    private void Awake()
    {
        Instance = this;
    }

    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {
        HandleBridgeMovement();
    }

    void HandleBridgeMovement()
    {
        // 左箭头/右箭头 或按钮控制屏幕左右
        float input = 0f;

        // 键盘输入
        if (Input.GetKey(KeyCode.LeftArrow))
            input -= 1f;
        if (Input.GetKey(KeyCode.RightArrow))
            input += 1f;

        // 按钮输入
        if (isRight)
            input += 1f;
        if (isLeft)
            input -= 1f;

        // 限制输入范围，避免超速
        input = Mathf.Clamp(input, -1f, 1f);

        Vector2 newCanvasPos = MoveCanvas.anchoredPosition + new Vector2(1,0) * input * CanvasSpeed * Time.deltaTime;
        newCanvasPos.x = Mathf.Clamp(newCanvasPos.x, CanvasMaxValues[0], CanvasMaxValues[1]);
        MoveCanvas.anchoredPosition = newCanvasPos;

        Vector3 newCameraPos = MoveCamera.position + Vector3.right * input * CameraSpeed * Time.deltaTime;
        newCameraPos.x = Mathf.Clamp(newCameraPos.x, CameraMaxValues[0], CameraMaxValues[1]);
        MoveCamera.position = newCameraPos;
    }

    public void StartMoveToLeft()
    {
        isLeft = true;
        Debug.Log("点击到了");
    }
    public void StopMoveToLeft()
    {
        isLeft = false;
    }

    public void StartMoveToRight()
    {
        isRight = true;
    }
    public void StopMoveToRight()
    {
        isRight = false;
    }

    public void ToOpenPage(int pageNum)
    {
        if(m_curPageNum!=pageNum)
        {
            AllPages[pageNum].SetActive(true);
            AllPages[m_curPageNum].SetActive(false);
            m_curPageNum=pageNum;

            if (m_curPageNum == 5)
            {
                QuizSystem.Instance.ToStartQuestion();
            }
        }
    }

    public void ToCameraMoveToBestPos()
    {
        CameraObj.transform.DOMove(tarPos.position, duration);
        CameraObj.transform.DORotateQuaternion(tarPos.rotation, duration);
    }

    public void ToReturnCameraPos()
    {
        CameraObj.transform.DOMove(MoveCamera.position, duration);
        CameraObj.transform.DORotateQuaternion(MoveCamera.rotation, duration).OnComplete(()=>{
            //结束后回到首页
            ToOpenPage(0);
        })
        ;
    }

    public void ToCameraMoveToStartPos()
    {
        CameraObj.transform.DOMove(moveStartPos.position, duration);
        CameraObj.transform.DORotateQuaternion(moveStartPos.rotation, duration).OnComplete(() => {
            IsCanMove = true;
        })
        ;
    }


    public void ToStartVideo(int videoNum)
    {
        AllVideos[videoNum].Play();
    }

    public void ToEndVideo(int videoNum)
    {
        AllVideos[videoNum].time = 0;
        AllVideos[videoNum].Stop();
    }
}