using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading.Tasks;
using DG.Tweening;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using UnityEngine;
using RenderHeads.Media.AVProVideo;
using UnityEngine.Networking;
using UnityEngine.UI;
using UnityEngine.UIElements;
using Button = UnityEngine.UI.Button;
using UnityAsync;

public class ObsPlayerPanel : MonoBehaviour
{
    public MediaPlayer obsPlayer;

    private Button closeButton;
    private Text titleText;
    private string obsName;

    private Button captureButton;

    private ExtendedButton_ObsDirCtrl _upButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _downButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _leftButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _rightButtonObsDirCtrl;
    
    private ExtendedButton_ObsDirCtrl _upRightButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _downRightButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _upLeftButtonObsDirCtrl;
    private ExtendedButton_ObsDirCtrl _downLeftButtonObsDirCtrl;

    private RectTransform centerImg;
    private Vector3 oriPos;
    
    private ObsCtrlType currentDonwType;
    
    private string currentChannelId="";
    private string currentDeviceId="";

    private string _targetName;
    
    private void Awake()
    {
        obsPlayer = this.transform.Find("AVProVideo").GetComponent<MediaPlayer>();
        titleText = this.transform.Find("Title").GetComponent<Text>();
        closeButton = this.transform.Find("CloseButton").GetComponent<Button>();
        closeButton.onClick.AddListener(Close);

        captureButton = this.transform.Find("CaptureButton").GetComponent<Button>();
        captureButton.onClick.AddListener(Capture);

        centerImg = this.transform.Find("ctrlBg_1").GetComponent<RectTransform>();
        oriPos = centerImg.localPosition;
        
        _upButtonObsDirCtrl = this.transform.Find("UpButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _upButtonObsDirCtrl.type = ObsCtrlType.up;
        _upButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _upButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _upButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _downButtonObsDirCtrl = this.transform.Find("DownButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _downButtonObsDirCtrl.type = ObsCtrlType.down;
        _downButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _downButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _downButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _leftButtonObsDirCtrl = this.transform.Find("LeftButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _leftButtonObsDirCtrl.type = ObsCtrlType.left;
        _leftButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _leftButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _leftButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _rightButtonObsDirCtrl = this.transform.Find("RightButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _rightButtonObsDirCtrl.type = ObsCtrlType.right;
        _rightButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _rightButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _rightButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _upRightButtonObsDirCtrl = this.transform.Find("UpRightButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _upRightButtonObsDirCtrl.type = ObsCtrlType.upright;
        _upRightButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _upRightButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _upRightButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _downRightButtonObsDirCtrl = this.transform.Find("DownRightButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _downRightButtonObsDirCtrl.type = ObsCtrlType.downright;
        _downRightButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _downRightButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _downRightButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _upLeftButtonObsDirCtrl = this.transform.Find("UpLeftButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _upLeftButtonObsDirCtrl.type = ObsCtrlType.upleft;
        _upLeftButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _upLeftButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _upLeftButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
        
        _downLeftButtonObsDirCtrl = this.transform.Find("DownLeftButton").GetComponent<ExtendedButton_ObsDirCtrl>();
        _downLeftButtonObsDirCtrl.type = ObsCtrlType.downright;
        _downLeftButtonObsDirCtrl.onPointerDown+=OnDirButtonDown;
        _downLeftButtonObsDirCtrl.onPointerUp+=OnDirButtonUp;
        _downLeftButtonObsDirCtrl.onPointerExit+=OnDirButtonExit;
    }

    public void Play()
    {
        obsPlayer.Control.Play();
    }

    public void Pause()
    {
        obsPlayer.Control.Pause();
    }

    public void Close()
    {
        Texture2D saveTex = new Texture2D(704,576);
        obsPlayer.ExtractFrame(saveTex);
        HttpHelper._Instance.SaveFirstFrame(saveTex.EncodeToJPG(), $"{_targetName}.jpg", _targetName);
        obsPlayer.Control.Stop();
        currentChannelId = "";
        this.gameObject.SetActive(false);
    }
    
    public async void SetObsData(ObsData _data)
    {
        _targetName = _data.targetName;
        
        string playUrl = await HttpHelper._Instance.GetObsUrl(_data.deviceId, _data.channelId);
        obsPlayer.GetComponent<DisplayUGUI>().color = Color.clear;
        obsPlayer.OpenMedia(MediaPathType.AbsolutePathOrURL,playUrl, true);
        obsPlayer.Play();
        currentChannelId = _data.channelId;
        currentDeviceId = _data.deviceId;
        await new UnityAsync.WaitUntil(() =>
        {
            return obsPlayer.MediaOpened;
        });
        obsPlayer.GetComponent<DisplayUGUI>().color = Color.white;
    }
    
    private void OnDirButtonDown(ObsCtrlType type)
    {
        if (currentChannelId != null && !currentChannelId.Equals(""))
        {
            currentDonwType = type;
            HttpHelper._Instance.SendObsCameraCtrlCmd(currentDeviceId,currentChannelId,type);
            switch (type)
            {
                case ObsCtrlType.left:
                    centerImg.DOLocalMove(oriPos + Vector3.left * 15, 0.1f);
                    break;
                case ObsCtrlType.right:
                    centerImg.DOLocalMove(oriPos + Vector3.right * 15, 0.1f);
                    break;
                case ObsCtrlType.up:
                    centerImg.DOLocalMove(oriPos + Vector3.up * 15, 0.1f);
                    break;
                case ObsCtrlType.down:
                    centerImg.DOLocalMove(oriPos + Vector3.down * 15, 0.1f);
                    break;
                case ObsCtrlType.upleft:
                    centerImg.DOLocalMove(oriPos + Vector3.up * 15+Vector3.left*15, 0.1f);
                    break;
                case ObsCtrlType.upright:
                    centerImg.DOLocalMove(oriPos + Vector3.up * 15+Vector3.right*15, 0.1f);
                    break;
                case ObsCtrlType.downleft:
                    centerImg.DOLocalMove(oriPos + Vector3.down * 15+Vector3.left*15, 0.1f);
                    break;
                case ObsCtrlType.downright:
                    centerImg.DOLocalMove(oriPos + Vector3.down * 15+Vector3.right*15, 0.1f);
                    break;
            }
        }
    }
    private void OnDirButtonUp(ObsCtrlType type)
    {
        if (currentChannelId != null &&currentDonwType != ObsCtrlType.none&&  !currentChannelId.Equals(""))
        {
            if (currentDonwType == type)
            {
                currentDonwType = ObsCtrlType.none;
                HttpHelper._Instance.SendObsCameraCtrlCmd(currentDeviceId,currentChannelId,ObsCtrlType.stop);
                centerImg.DOLocalMove(oriPos, 0.1f);
            }
        }
    }
    private void OnDirButtonExit(ObsCtrlType type)
    {
        if (currentChannelId != null&&currentDonwType != ObsCtrlType.none&& !currentChannelId.Equals(""))
        {
            currentDonwType = ObsCtrlType.none;
            HttpHelper._Instance.SendObsCameraCtrlCmd(currentDeviceId,currentChannelId,ObsCtrlType.stop);
            centerImg.DOLocalMove(oriPos, 0.1f);
        }
    }

    public void SetTitle(string str)
    {
        obsName = str;
        titleText.text = str;
    }
    
    public void Capture()
    {
        Texture2D saveTex = new Texture2D(704,576);
        obsPlayer.ExtractFrame(saveTex);
        StartCoroutine(UpLoadFile(saveTex.EncodeToJPG(), $"{obsName}{GetCurrentUnixTimestampMillis()}.jpg"));
    }
    public string ConvertToUnicode(string input)
    {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < input.Length; i++)
        {
            char c = input[i];
            if (c < 128) // 非汉字字符
            {
                sb.Append(c);
            }
            else // 汉字字符
            {
                sb.Append("\\u" + ((int)c).ToString("x4"));
            }
        }
        return sb.ToString();
    }
    
    long GetCurrentUnixTimestampMillis()
    {
        // Unix时间戳是从1970年1月1日开始计算
        DateTime unixStartTime = new DateTime(1970, 1, 1);
        // 当前时间
        DateTime now = DateTime.UtcNow;
        // 当前时间与Unix时间戳的时间间隔
        TimeSpan timeSpan = now - unixStartTime;
        // 将时间间隔转换为毫秒数
        long timestamp = (long)timeSpan.TotalMilliseconds;
        return timestamp;
    }
    IEnumerator UpLoadFile(byte[] uploadData,string fileName)
    {
        fileName = fileName.Replace(" ", "");
        //fileName = ConvertToUnicode(fileName);
        Debug.Log(fileName);
        WWWForm form = new WWWForm();
        form.AddBinaryData("file",uploadData,fileName);
        UnityWebRequest www = UnityWebRequest.Post(ServerAddress.API_TextureUploadPath, form);
        yield return www.SendWebRequest();
        Debug.Log(www.downloadHandler.text);
        www.Dispose();
    }
}