using Aspose.Pdf;
using Aspose.Pdf.AI;
using Aspose.Pdf.Devices;
using Aspose.Pdf.Drawing;
using OpenCvSharp;
using OpenCvSharp.Extensions;
using System;
using System.Collections.Specialized;
using System.Drawing;
using System.Runtime.InteropServices;
using static System.Net.Mime.MediaTypeNames;
//using System.Drawing.Common;
//using OpenCvSharp.Extensions;
//using ZXing;

namespace TestProject1
{
    [TestClass]
    public class UnitTest1
    {
        [TestMethod]
        public void TestMethod1()
        {
            try
            {
                //DecodeQRCodes();


                //var doc = PdfReader.Open(@"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\P2401001-XNZ01-POORD007585-珠海兴诺能源技术有限公司-500.pdf");


                //文档目录的路径。
                string dataDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\Test\";
                Document pdfDocument = new Document(dataDir + "P2401001-XNZ01-POORD007585-珠海兴诺能源技术有限公司-500.pdf");

                //Mat src;

                //打开文档
                //Document pdfDocument = new Document(dataDir + "PagesToImages.pdf");
                for (int pageCount = 1; pageCount <= pdfDocument.Pages.Count; pageCount++)
                {
                    using (FileStream imageStream = new FileStream(dataDir + "image" + pageCount + "_out" + ".jpg", FileMode.Create))
                    {
                        //src = new Mat();

                        //var height = src.Rows;
                        //var width = src.Cols;
                        //var channels = src.Channels();
                        //var mattype = src.Type();

                        //var src = new Mat(height, width, MatType.CV_8UC3);
                        //int length = height * width * 3; // or src.Height * src.Step;
                        //Marshal.Copy(data, 0, src.Data, length);
                        //创建具有指定属性的 JPEG 设备
                        //宽度、高度、分辨率、质量
                        //质量 [0-100]，100 为最大值
                        //创建 Resolution 对象
                        Resolution resolution = new Resolution(300);
                        //JpegDevice jpegDevice = new JpegDevice(500, 700, 分辨率, 100);
                        JpegDevice jpegDevice = new JpegDevice(resolution, 100);
                        //转换特定页面并将图像保存到流中
                        jpegDevice.Process(pdfDocument.Pages[pageCount], imageStream);

                        //关闭流
                        imageStream.Close();
                    }
                }
                Console.WriteLine("PDF pages are converted to individual images successfully!");

                //CollectionUtils

                Mat src = new Mat(@"C:\Users\Fareoh\OneDrive\图片\work\二维码原图片.jpg");








                // 加载图像
                //Mat src = Cv2.ImRead("path_to_your_image.jpg");

                // 定义检测区域 (x, y, width, height)
                Rect region = new Rect(2000, 400, 500, 500);

                // 调用检测方法
                //string result = DetectQRCodeInRegion(src, region);

                // 输出结果
                //Console.WriteLine("Decoded QR Code: " + result);
                //DecodeQRCodes(src, region);

            }
            catch (Exception ex)
            {

            }

        }


        [TestMethod]
        public void TestMethod2()
        {
            //文档目录的路径。
            string dataDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\Test\";
            string dataPutDir = @"C:\Users\Fareoh\Desktop\工作清单\派诺\发货签收单\";

            var dirInfoDi = new Dictionary<string, string>();
            List<string> QRCodeList = new List<string>();
            try
            {
                var diInfos = new DirectoryInfo(dataPutDir);
                var jpgfiles = diInfos.GetFiles("*.JPG");
                if (jpgfiles != null && jpgfiles.Count() > 0)
                {
                    foreach (var file in jpgfiles)
                    {
                        Mat src = new Mat(file.FullName);
                        var srcWidth = src.Width;
                        var srcHeight = src.Height;
                        int x = srcWidth / 2;
                        int y = 0;
                        int width = srcWidth / 2;
                        int height = srcHeight / 2;

                        Rect region = new Rect(x, y, width, height);
                        DecodeQRCodes(src, region, out string[] qrCodeTexts);

                        if (qrCodeTexts != null)
                        {
                            QRCodeList.AddRange(qrCodeTexts);
                            dirInfoDi.Add(qrCodeTexts[0], dataPutDir);
                        }


                    }
                }

                var pdffiles = diInfos.GetFiles("*.PDF");

                Bitmap bitmap = new Bitmap("image.jpg");
                Mat mat = BitmapConverter.ToMat(bitmap);  // 将 Bitmap 转换为 Mat


            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }


        }

        public override void CustomEvents(CustomEventsArgs e)
        {
            if (e.Key.ToUpper() == "FFileUpdate".ToUpper())
            {                //触发事件是上传文件有变化
                if (e.EventName.ToUpper() == "FILECHANGED")
                {
                    JSONObject jSONObject = KDObjectConverter.DeserializeObject(e.EventArgs); if (jSONObject != null)
                    {
                        JSONArray jSONArray = new JSONArray(jSONObject["NewValue"].ToString()); if (jSONArray.Count > 0)
                        {
                            //获取上传的文件名
                            string text = (jSONArray[0] as Dictionary)["ServerFileName"].ToString();
                            //文件上传到服务端的临时目录
                            string directory = "FileUpLoadServices\\UploadFiles";
                            //文件的完整路径
                            string fileFullPath = PathUtils.GetPhysicalPath(directory, text);
                        }
                    }
                }
            }
            base.CustomEvents(e);
        }


        /// <summary>
        /// 
        /// </summary>
        /// <param name="src"></param>
        /// <param name="region"></param>
        /// <returns></returns>
        public static string DetectQRCodeInRegion(Mat src, Rect region)
        {
            // 裁剪指定区域
            Mat roi = new Mat(src, region);

            // 转为灰度图像
            Mat gray = new Mat();
            Cv2.CvtColor(roi, gray, ColorConversionCodes.BGR2GRAY);

            // 二值化处理
            Mat binary = new Mat();
            Cv2.Threshold(gray, binary, 0, 255, ThresholdTypes.Binary | ThresholdTypes.Otsu);

            // 检测和解码二维码
            QRCodeDetector qrCodeDetector = new QRCodeDetector();
            Point2f[] points;
            string decodedText = qrCodeDetector.DetectAndDecode(binary, out points);

            // 返回解码结果
            return decodedText;
        }

        /// <summary>
        /// 只识别二维码
        /// </summary>
        /// <param name="src"></param>
        /// <param name="region"></param>
        private static void DecodeQRCodes(Mat src, Rect region, out string[] qrCodeTexts)
        {
            qrCodeTexts = null;

            // 裁剪指定区域
            Mat roi = new Mat(src, region);

            // 转为灰度图像
            Mat gray = new Mat();
            Cv2.CvtColor(roi, gray, ColorConversionCodes.BGR2GRAY);

            // 二值化处理
            Mat binary = new Mat();
            Cv2.Threshold(gray, binary, 0, 255, ThresholdTypes.Binary | ThresholdTypes.Otsu);

            //二维码识别
            using (QRCodeDetector qRCodeDetector = new QRCodeDetector())
            {
                Point2f[] points;
                var hasQRCode = qRCodeDetector.DetectMulti(binary, out points);
                if (hasQRCode)
                {
                    qRCodeDetector.DecodeMulti(binary, points, out qrCodeTexts);
                }
            }
        }

        /// <summary>
        /// 只识别二维码
        /// </summary>
        private static void DecodeQRCodes()
        {
            var img = Cv2.ImRead(@"C:\Users\Fareoh\OneDrive\图片\work\二维码原图片.jpg");
            string[] qrCodeTexts = null;
            //二维码识别
            using (QRCodeDetector qRCodeDetector = new QRCodeDetector())
            {
                Point2f[] points;
                var hasQRCode = qRCodeDetector.DetectMulti(img, out points);
                if (hasQRCode)
                {
                    qRCodeDetector.DecodeMulti(img, points, out qrCodeTexts);
                }
            }

            if (qrCodeTexts != null)
            {
                Console.WriteLine($"检测到{qrCodeTexts.Length}个二维码：");
                for (int i = 0; i < qrCodeTexts.Length; i++)
                {
                    Console.WriteLine($"第{(i + 1)}个的内容为：{qrCodeTexts[i]}");
                }
            }
        }




    }
}