using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System;
using System.Configuration;
using System.Data.SqlClient;
using SecuringWebApiUsingApiKey.Middleware;
using Model;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System.IO;
using System.Net;
using System.Text;


namespace OnDocAPI_NetFramework
{
    public partial class dt : System.Web.UI.Page
    {
        string _connectionString = StringCipher.Decrypt(ConfigurationManager.ConnectionStrings["DocTesterconnectionstring"].ConnectionString, "i%!k!7pab%bNLdA5hE4pkR4XaB%E^jB3d9tHuQ4pbF&BZjF7SB#WBWit5#HrbJiLrLVm");

        protected void Page_Load(object sender, EventArgs e)
        {

        }

        private void ResetPdf()
        {
            pdfFrame.Attributes["src"] = "about:blank";
        }
        protected void btnLoad_Click(object sender, EventArgs e)
        {
            ResetPdf();
            string json = "";
            using (var con = new SqlConnection(_connectionString))
            using (SqlCommand cmd = new SqlCommand(
           "SELECT JavaScriptObject FROM ProvDokuments WHERE ProvDokumentid = @key", con))
            {
                cmd.Parameters.AddWithValue("@key", txtKey.Text);
                con.Open();
                json = cmd.ExecuteScalar()?.ToString();
            }

            if (json == null)
            {
                using (SqlConnection con = new SqlConnection(_connectionString))
                using (SqlCommand cmd = new SqlCommand(
                    "SELECT JsonObjekt FROM _OnDoc_API_TestScripts WHERE id = @key", con))
                {
                    cmd.Parameters.AddWithValue("@key", txtKey.Text);
                    con.Open();
                    json = cmd.ExecuteScalar()?.ToString();
                }
               
            }
            hfJson.Value = json;
        }

        protected void btnSave_Click(object sender, EventArgs e)
        {
            
            using (SqlConnection con = new SqlConnection(_connectionString))
            using (SqlCommand cmd = new SqlCommand(@"
IF EXISTS (SELECT 1 FROM _OnDoc_API_TestScripts WHERE id = @key)
    UPDATE _OnDoc_API_TestScripts SET JsonObjekt =@json
    WHERE id = @key
ELSE
    INSERT INTO _OnDoc_API_TestScripts (id,JsonObjekt)
    VALUES (@key, @json)
", con))

            //IF EXISTS (SELECT 1 FROM provdokuments WHERE provdokumentid = @key)
            //    UPDATE provdokuments SET JavaScriptObject = @json, geaendertam = GETDATE()
            //    WHERE provdokumentid = @key
            //ELSE
            //    INSERT INTO provdokuments (provdokumentid,erstelltam,geaendertam, JavaScriptObject)
            //    VALUES (@key, getdate(),getdate(),@json)
            //", con))
            {
                cmd.Parameters.AddWithValue("@key", txtKey.Text);
                cmd.Parameters.AddWithValue("@json", hfJson.Value);
                con.Open();
                cmd.ExecuteNonQuery();
            }



        }

        protected void btnPdf_Click(object sender, EventArgs e)
        {

            //byte[] pdf = PdfGenerator.CreatePdfFromJson(hfJson.Value);

            //string base64 = Convert.ToBase64String(pdf);
            //pdfFrame.Attributes["src"] =
            //    "data:application/pdf;base64," + base64;
            try
            {
                APIErrorSimple apireturn = new APIErrorSimple();
                APIOK apiok = new APIOK();
                ;
                string jsonstring = hfJson.Value;

                WebRequest request;

                var data = Encoding.UTF8.GetBytes(jsonstring);
                string OwnHost = System.Configuration.ConfigurationManager.AppSettings["OwnHost"].ToString();
                string uri = OwnHost + "/API/CreateCLM";
                uri = OwnHost + "/API/DokumentGenerator";
                request = WebRequest.Create(uri);
                request.ContentLength = data.Length;
                request.ContentType = "application/json";
                request.Method = "POST";
                request.Headers["Authorization"] = "Bearer " + System.Configuration.ConfigurationManager.AppSettings["OwnToken"].ToString();
                using (Stream requestStream = request.GetRequestStream())
                {
                    requestStream.Write(data, 0, data.Length);
                    requestStream.Close();

                    using (Stream responseStream = request.GetResponse().GetResponseStream())
                    {
                        using (var reader = new StreamReader(responseStream))
                        {
                            var response = reader.ReadToEnd();
                            try
                            {


                                apiok = JsonConvert.DeserializeObject<APIOK>(response);
                                var jo = JObject.Parse(response.ToString());
                                byte[] pdf = null;
                                pdfFrame.Attributes["src"] =
                                    "data:application/pdf;base64," + apiok.file;
                            }
                            catch (Exception ex)
                            {
                                apireturn = JsonConvert.DeserializeObject<APIErrorSimple>(response);
                            }
                        }
                    }
                }
                
            }
            catch
            {
                byte[] pdf;
                
            }


            //    var request = (HttpWebRequest)WebRequest.Create("https://api.example.com/generate-pdf");
            //request.Method = "POST";
            //request.ContentType = "application/json";

            //byte[] payload = Encoding.UTF8.GetBytes(json);
            //request.ContentLength = payload.Length;

            //using (var stream = request.GetRequestStream())
            //    stream.Write(payload, 0, payload.Length);

            //using (var response = (HttpWebResponse)request.GetResponse())
            //using (var rs = response.GetResponseStream())
            //using (var ms = new MemoryStream())
            //{
            //    rs.CopyTo(ms);
            //    return ms.ToArray();
            //}
        }

    }
       

}