using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Cinemachine;
using Games.Events;
using UnityEngine.Playables;

public class ControlMove : MonoBehaviour
{
    public float speed;
    public CinemachineSmoothPath m_paths;

    public bool UseMainCameraPos = false;
    public bool NeedBackMainCamera = false;  //是否需要回到主摄像机
    public GameObject LinkCamera;
    public CinemachineBrain Brain;
    public bool UpdateLookAt = true;

    private CinemachineDollyCart _dolly;
    private MovieEventSend _EventSend;

    private void Awake()
    {
        _EventSend = GetComponent<MovieEventSend>();
    }

    private void CopyMainCameraData()
    {
        if (LinkCamera == null)
            return;
        CinemachineVirtualCamera Virtualcamera = LinkCamera.GetComponent<CinemachineVirtualCamera>();
        if (Virtualcamera == null)
            return;

        Camera mainCamera = Games.Scene.SceneLogic.CameraController != null ? Games.Scene.SceneLogic.CameraController.MainCamera : Camera.main;
        if (mainCamera == null)
            return;
        if(Brain!=null)
        {
            Brain.transform.position = mainCamera.transform.position;
            Brain.transform.rotation = mainCamera.transform.rotation;
            Brain.OutputCamera.cullingMask = mainCamera.cullingMask;
            Brain.OutputCamera.depth = mainCamera.depth + 1;
        }
        LinkCamera.transform.position = mainCamera.transform.position;
        LinkCamera.transform.rotation = mainCamera.transform.rotation;
        Virtualcamera.m_Lens.FieldOfView = mainCamera.fieldOfView;
        Virtualcamera.m_Lens.NearClipPlane = mainCamera.nearClipPlane;
        Virtualcamera.m_Lens.FarClipPlane = mainCamera.farClipPlane;
    }

    private void Start()
    {
        if (m_paths == null)
        {
            m_paths = GetComponent<CinemachineSmoothPath>();
        }
        if (m_paths == null || m_paths.m_Waypoints.Length <= 0)
            return;
        List<CinemachineSmoothPath.Waypoint> points = new List<CinemachineSmoothPath.Waypoint>(m_paths.m_Waypoints);
        CinemachineSmoothPath.Waypoint point = new CinemachineSmoothPath.Waypoint();

        if (LinkCamera == null)
            return;
        Camera camera = LinkCamera.GetComponent<Camera>();
        Camera mainCamera = Games.Scene.SceneLogic.CameraController != null ? Games.Scene.SceneLogic.CameraController.MainCamera : null;
        if (camera != null && mainCamera != null)
        {
            camera.depth = mainCamera.depth + 1;
        }

        if (UseMainCameraPos)
        {
            if (mainCamera == null)
                return;
            CopyMainCameraData();
            point.position = m_paths.transform.InverseTransformPoint(mainCamera.transform.position);
        }
        else
            point.position = m_paths.transform.InverseTransformPoint(LinkCamera.transform.position);
        points.Insert(0, point);
        if (NeedBackMainCamera)
            points.Add(point);
        m_paths.m_Waypoints = points.ToArray();

        _dolly = LinkCamera.gameObject.EnsureComponent<CinemachineDollyCart>();
        if (_dolly == null)
        {
            return;
        }
        _dolly.m_Path = m_paths;
        _dolly.UpdateLookAt = UpdateLookAt;
        _dolly.m_Speed = speed;
        float Time = _dolly.m_Path.PathLength / speed;
        StopCoroutine(SendEvent(0));
        StartCoroutine(SendEvent(Time));
        if(transform.parent!=null)
        {
            SceneMovie scenMovie = transform.parent.GetComponent<SceneMovie>();
            if (scenMovie != null)
                scenMovie.AddDurTime(Time);
        }

    }

    IEnumerator SendEvent(float Time)
    {
        yield return new WaitForSeconds(Time);
        if (_EventSend == null)
            yield break ;
        _EventSend.Send(true);
    }
}