using PdfSharp.Drawing;
using PdfSharp.Pdf;
using SixLabors.ImageSharp.Formats.Png;
using SixLabors.ImageSharp.PixelFormats;
using WMS.Info;
using WMS.Util;
using ZXing;
using ZXing.Common;
using ZXing.QrCode;

namespace WMS.Core.ServiceCore.FeiXu
{
    public class FxBaseBarCodeCore
	{
		/// <summary>
		/// 获取列表数据
		/// <summary>
		/// <returns></returns>
		public IEnumerable<BASE_BARCODE> GetList(string keyword)
		{
			try
			{
				return SysDbCore.GetDbCtx().Queryable<BASE_BARCODE>().WhereIF(!keyword.IsEmpty(), it => it.F_barCode.Contains(keyword)).ToList();
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}
		/// <summary>
		/// 获取分页数据
		/// <summary>
		/// <returns></returns>
		public IEnumerable<BASE_BARCODE> GetPageList(string queryJson, Pagination pagination)
		{
			try
			{
				var db = SysDbCore.GetDbCtx().Queryable<BASE_BARCODE>();
				int count = 0;
				var queryParam = queryJson.ToJObject();
				//单据日期
				if (!queryParam["Btime"].IsEmpty() && !queryParam["Etime"].IsEmpty())
				{
					db.Where(ord => ord.F_addTime >= queryParam["Btime"].ToDate() && ord.F_addTime <= queryParam["Etime"].ToDate());
				}

				if (!queryParam["keyword"].IsEmpty())
				{
					string matNo = queryParam["keyword"].ToString();
					db.Where(ord => ord.F_barCode.Contains(matNo));
				}
				if (!queryParam["F_addUserNo"].IsEmpty())
				{
					string userNo = queryParam["trayNo"].ToString();
					db.Where(ord => ord.F_addUserNo.Contains(userNo));
				}
				if (!queryParam["F_barType"].IsEmpty())
				{
					int barType = FuncStr.NullToInt(queryParam["F_barType"]);
					db.Where(ord => ord.F_barType == barType);
				}

				List<BASE_BARCODE> list = null;
				if (pagination.sord.ToUpper() == "ASC")
				{
					list = db.OrderBy(pagination.sidx).ToPageList(pagination.page, pagination.rows, ref count);
				}
				else
				{
					string orderstr = pagination.sidx + " desc";
					list = db.OrderBy(orderstr).ToPageList(pagination.page, pagination.rows, ref count);
				}
				pagination.records = count;
				return list;
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}


		public void PrintBarCode(List<BASE_BARCODE> lstBaseCode, LoginUserInfo loginInfo)
		{
			using (var ctx = SysDbCore.GetDbCtx())
			{
				lstBaseCode.ForEach(code =>
				{
					code.F_printNumber += 1;
					code.F_printTime = DateTime.Now;
					code.F_printUserNo = loginInfo.UserNo;
				});
				ctx.Updateable(lstBaseCode).UpdateColumns(it => new { it.F_printNumber, it.F_printTime, it.F_printUserNo }).WhereColumns(it => it.F_no).ExecuteCommand();
			}
		}

		public string CreatePrintBarCodePDF(List<BASE_BARCODE> lstBaseCode, string path)
		{
			int Resolution = 300;//300 dpi high resolution of the barcode image 
			var ssdocument = new PdfDocument();
			//Aspose.Pdf.Document pdfDoc = new Aspose.Pdf.Document();
			foreach (var item in lstBaseCode)
			{
				var sspage = ssdocument.AddPage();
				if (item.F_barType == 1)
				{
                    //BarcodeGenerator generator = new BarcodeGenerator(EncodeTypes.Code39Standard, item.F_barCode);
                    //generator.Parameters.Resolution = Resolution;//set the barcode image resolution
                    //var ssimage = generator.GenerateBarCodeImage();
                    //MemoryStream imageStream = new MemoryStream();
                    //generator.Save(imageStream, BarCodeImageFormat.Png);
                    //imageStream.Position = 0;
                    //var ximage = PdfSharp.Drawing.XImage.FromStream(imageStream);
                    //DrawBarcodeImageFull(sspage, ximage);

                    var writer = new ZXing.ImageSharp.BarcodeWriter<Rgba32>();
                    writer.Format = BarcodeFormat.CODE_128;
                    QrCodeEncodingOptions options = new QrCodeEncodingOptions();
                    options.DisableECI = true;
                    //设置内容编码
                    options.CharacterSet = "UTF-8";
                    //设置二维码的宽度和高度
                    options.Width = 750;
                    options.Height = 400;
					 
                    //设置二维码的边距,单位不是固定像素
                    options.Margin = 1;
                    writer.Options = options;

                    //var ms = new MemoryStream();
                    //using (var image = writer.Write(item.F_barCode))
                    //{
                    //	image.SaveAsJpeg(ms);//保存于流
                    //}				
                    var imagesharp = writer.WriteAsImageSharp<Rgba32>(item.F_barCode);
                    var ms = new MemoryStream();
                    imagesharp.Save(ms, new PngEncoder());
                    ms.Position = 0;//设置位置
                    var ximage = PdfSharp.Drawing.XImage.FromStream(ms);

                    DrawQrCodeImageFull(sspage, ximage);
                }
				else
				{
					var writer = new ZXing.ImageSharp.BarcodeWriter<Rgba32>();
					writer.Format = BarcodeFormat.QR_CODE;
					QrCodeEncodingOptions options = new QrCodeEncodingOptions();
					options.DisableECI = true;
					//设置内容编码
					options.CharacterSet = "UTF-8";
					//设置二维码的宽度和高度
					options.Width = 500;
					options.Height = 500;
					//设置二维码的边距,单位不是固定像素
					options.Margin = 1;
					writer.Options = options;

					//var ms = new MemoryStream();
					//using (var image = writer.Write(item.F_barCode))
					//{
					//	image.SaveAsJpeg(ms);//保存于流
					//}				
					var imagesharp = writer.WriteAsImageSharp<Rgba32>(item.F_barCode);
					var ms = new MemoryStream();
					imagesharp.Save(ms, new PngEncoder());
					ms.Position = 0;//设置位置
					var ximage = PdfSharp.Drawing.XImage.FromStream(ms);

					DrawQrCodeImageFull(sspage, ximage);
				}
			}
			var dirPath = $@"DataFiles\{DateTime.Now.Year}\{DateTime.Now.Month}\{DateTime.Now.Day}\";
			DirFileUtil.CreateDir(@"wwwroot\"+dirPath);
			var filename = $"{DateTime.Now.Ticks}.pdf";
			var xxpath = $"{path}wwwroot\\{dirPath}{filename}";


			if (System.IO.File.Exists(xxpath))
				System.IO.File.Delete(xxpath);
			ssdocument.Save(xxpath);
			return @"\" + dirPath + filename;
			//using (var ctx = SysDbCore.GetDbCtx())
			//{
			//    lstBaseCode.ForEach(code =>
			//    {
			//        code.F_printNumber += 1;
			//        code.F_printTime = DateTime.Now;
			//        code.F_printUserNo = loginInfo.UserNo;
			//    });
			//    ctx.Updateable(lstBaseCode).UpdateColumns(it => new { it.F_printNumber, it.F_printTime, it.F_printUserNo }).WhereColumns(it => it.F_no).ExecuteCommand();
			//}
		}

        public byte[] GenerateBarcode(string text)
        {
            var writer = new ZXing.ImageSharp.BarcodeWriter<Rgba32>()
            {
                Format = BarcodeFormat.CODE_128,
                Options = new EncodingOptions
                {
                    Height = 500,
                    Width =500
                }
            };
            var bitmap = writer.Write(text);
            using var stream = new MemoryStream();
            //bitmap.Save(stream, ImageFormat.Png);
            return stream.ToArray();
        }
        /// <summary>
        /// Draws image to pdf page
        /// </summary>
        /// <param name="image"></param>
        private static void DrawBarcodeImageFull(PdfPage page, XImage image)
		{
			page.Width = image.PixelWidth;
			page.Height = image.PixelHeight + 800;
			var gfx = XGraphics.FromPdfPage(page);
			//System.Drawing.Rectangle imageRect = new System.Drawing.Rectangle(leftBarcodePosition, topBarcodePosition, (image.Width * 72) / Resolution, (image.Height * 72) / Resolution);
			gfx.DrawImage(image, (image.PixelWidth - 20) / 3, 20, 300, (image.PixelHeight * 72) / 200);
		}
		/// <summary>
		/// Draws image to pdf page
		/// </summary>
		/// <param name="image"></param>
		private static void DrawQrCodeImageFull(PdfPage page, XImage image)
		{
			page.Width = image.PixelWidth + 600;
			page.Height = image.PixelHeight + 500;
			var gfx = XGraphics.FromPdfPage(page);
			//System.Drawing.Rectangle imageRect = new System.Drawing.Rectangle(leftBarcodePosition, topBarcodePosition, (image.Width * 72) / Resolution, (image.Height * 72) / Resolution);
			gfx.DrawImage(image, (image.PixelWidth - 20), 20, (image.PixelWidth * 72) / 200, (image.PixelHeight * 72) / 200);
		}
		/// <summary>
		/// 生成条码
		/// <summary>
		/// <returns></returns>
		public void generateBarCode(BarCodeRequest req, LoginUserInfo loginInfo)
		{
			try
			{
				using (var ctx = SysDbCore.GetDbCtx())
				{
					List<BASE_BARCODE> lstBarCode = new List<BASE_BARCODE>();
					for (int i = req.F_code; i < req.F_maxNum; i++)
					{
						string barCode = $"{req.F_prefix}{i.ToString().PadLeft(req.F_length - req.F_prefix.Length - req.F_suffix.Length, req.F_replenish)}{req.F_suffix}";
						lstBarCode.Add(new BASE_BARCODE
						{
							F_addTime = DateTime.Now,
							F_addUserNo = loginInfo.AppDeviceNo,
							F_barCode = barCode,
							F_barType = req.F_barType
						});
					}
					ctx.Insertable(lstBarCode).ExecuteCommand();
				}
			}
			catch (Exception ex)
			{
				throw ex;
			}
		}

	}
}