using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using UnityEngine.Networking;
using System.Text.RegularExpressions;
using System.Data.SqlClient;
using TMPro;
using System;
using System.IO;
using ZXing;
using ZXing.QrCode;
using System.Net;
using SimpleJSON;
using System.ComponentModel;
using System.Runtime.InteropServices;
public class 拍照測試 : MonoBehaviour
{
    [SerializeField] GameObject 主要;
    [SerializeField] GameObject 次要;
    [SerializeField] RawImage rowImage;
    [SerializeField] RawImage rowImage1;
    private WebCamTexture myCam;//接收攝影機返回的圖片數據
    private BarcodeReader barcodeReader;
    public CanvasScaler canvasScaler;
    // Start is called before the first frame update
    void Start()
    {
        barcodeReader = new BarcodeReader();
        主要.SetActive(true);
        次要.SetActive(false);
        StartCoroutine(open_Camera(60));
    }


    private IEnumerator open_Camera(int fps)
    {
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);    //授權開啟鏡頭
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            //設置攝影機要攝影的區域
            if (Screen.orientation == ScreenOrientation.LandscapeLeft)
            {
                // myCam = new WebCamTexture(WebCamTexture.devices[0].name, (int)screenWidth, (int)screenHeight, fps);
                myCam = new WebCamTexture(WebCamTexture.devices[0].name, 250, 250, fps);/* (攝影機名稱, 攝影機要拍到的寬度, 攝影機要拍到的高度, 攝影機的FPS) */
            }
            else
            {
                //myCam = new WebCamTexture(WebCamTexture.devices[0].name, (int)screenHeight, (int)screenWidth, fps);
                myCam = new WebCamTexture(WebCamTexture.devices[0].name, 250, 250, fps);
            }

            rowImage.texture = myCam;
            myCam.Play();//開啟攝影機
            
        }
    }

    public void 拍照()
    {
        Texture2D photoTexture = CapturePhoto();
        if (photoTexture != null)
        {
            rowImage1.texture = photoTexture;
        }
        myCam.Stop();
        myCam = null;
        Main.Global.鏡頭啟動=false;
        rowImage.texture = Texture2D.blackTexture;
        主要.SetActive(false);
        次要.SetActive(true);
    }

    private Texture2D CapturePhoto()
    {
        if (myCam != null)
        {
            int width = myCam.width;
            int height = myCam.height;

            // 创建一个新的 Texture2D，并读取当前帧的像素
            Texture2D photoTexture = new Texture2D(width, height);
            photoTexture.SetPixels(myCam.GetPixels());
            photoTexture.Apply();

            return photoTexture;
        }

        return null;
    }
    public void SavePhoto()
    {
        Texture2D photoTexture = (Texture2D)rowImage1.texture;
        byte[] photoBytes = photoTexture.EncodeToJPG(); // You can also use EncodeToPNG
        string filePath = Path.Combine(Application.persistentDataPath, "capturedPhoto.jpg");
        File.WriteAllBytes(filePath, photoBytes);
    }
    public void 上頁 ()
    {
        主要.SetActive(true);
        次要.SetActive(false);
        StartCoroutine(open_Camera(60));
    }
    public void back()
    {
        change_Secen(1);
    }
    public void change_Secen(int _screenNum)
    {

        SceneManager.LoadScene(_screenNum);
    }
}