using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using Newtonsoft.Json;
using SuperSocket.Client;
using JsonSerializer = System.Text.Json.JsonSerializer;

namespace DS.Module.FastReport
{
   
    public static class PrintUtil
    {
        public static async Task<string> SendPrintInfo(PrintModel model)
        {
            var client = new EasyClient<DataPackage>(new DataFilter()).AsClient();
            // var client = new EasyClient<DataPackage>.AsClient();

            if (!await client.ConnectAsync(new IPEndPoint(IPAddress.Loopback,3000)))
            { 
                return "连接打印服务器失败!";
            }

            var data = new DataPackage();
            data.Key = "PRINT";
            data.Body = JsonConvert.SerializeObject(model) ;
            // client.SendAsync(JsonSerializer.SerializeToUtf8Bytes(data));
            List<byte> buffer = new List<byte>();
            byte[] tmp = JsonSerializer.SerializeToUtf8Bytes(data); 
            buffer.Add(0xAC);
            buffer.Add(0x02);
            buffer.AddRange(BitConverter.GetBytes(tmp.Length).Take(2));
            buffer.AddRange(tmp); 
            ArraySegment<byte> segment = new ArraySegment<byte>(buffer.ToArray());
            client.SendAsync(segment);

            // var result = new DataPackage();
            var temp = await client.ReceiveAsync();
            var str = Encoding.UTF8.GetString(temp.Data); 
            
            // client.CloseAsync(); 

            return str;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="model"></param>
        public static string CreateReportPDF(PrintModel model)
        {
            // var env = DSIocManage.Instance.GetService<IHostingEnvironment>();
            // var env = context.ServiceProvider.GetService<IHostingEnvironment>(); 
            // var basePath = env.WebRootPath;
            string pdfpath = string.Empty; 
            // Report report = new Report();
            // report.Load(model.PrintPath);
            //
            //
            // var main = ModelConvertHelper.ToDataTable(model.MainData);
            //
            // var detail = ModelConvertHelper.ToDataTable(model.DetailData);
            //
            // report.RegisterData(main, "Main");
            // report.RegisterData(detail, "Detail");
            //
            // //运行报表
            // report.Prepare();
            //
            // // report.Report.();

            var fileName = "wwwroot/PDFUpload/" + DateTime.Now +".PDF";
            //导出PDF报表
            // PDFExport export = new PDFExport();
            // report.Export(export, fileName);
            // report.Dispose();

            return fileName;
        }

        // private string CreateReportPDF()
        // {
        // }

    } 
}