using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Linq;
using bahnplan.web.database;
using bahnplan.web.database.Tables;
using bahnplan.web.JSON;
using LinqToDB;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Leg = bahnplan.web.database.Tables.Leg;

namespace bahnplan.web.Pages {
	public class TicketModel : PageModel {
		public int TripId;

		public void OnGet() {
			if (HttpContext.Session.GetString("authorized") != "true") {
				return;
			}
			
			
			using var db = new Database.DbConn();
			if (db.Tickets.Any(p => p.OrderId == Request.Query["order"].ToString())) {
				var tripId = Request.Query["action"] == "addleg"
					? int.Parse(Request.Query["tripid"])
					: db.InsertWithInt32Identity(new Trip {UserId = int.Parse(HttpContext.Session.GetString("uid"))});
				var ticketId = db.Tickets.First(p => p.OrderId == Request.Query["order"].ToString()).TicketId;

				foreach (var leg in db.TicketLegs.Where(p => p.TicketId == ticketId).ToList()) {
					db.InsertWithInt32Identity(new Leg {
						TripId       = tripId,
						UserId       = int.Parse(HttpContext.Session.GetString("uid")),
						TrainType    = leg.TrainType,
						TrainNr      = leg.TrainNr,
						ArrStation   = leg.ArrStation,
						ArrStationId = leg.ArrStationId,
						ArrTime      = leg.ArrTime,
						DepStation   = leg.DepStation,
						DepStationId = leg.DepStationId,
						DepTime      = leg.DepTime,
						TicketId     = ticketId,
					});
				}

				TripId = tripId;
			}

			else {
				var request = new XDocument(new XElement("rqorderdetails", new XAttribute("version", "1.0"),
														 new XElement("rqheader", new XAttribute("ts", "2019-10-31T23:20:48"), new XAttribute("l", "de"),
																	  new XAttribute("v", "19100000"), new XAttribute("d", "iPad7,5"),
																	  new XAttribute("os", "iOS_13.1.3"), new XAttribute("app", "NAVIGATOR")),
														 new XElement("rqorder", new XAttribute("on", Request.Query["order"])),
														 new XElement("authname", new XAttribute("tln", Request.Query["name"])))).ToString();
				var response = new WebClient().UploadString("https://fahrkarten.bahn.de/mobile/dbc/xs.go", "POST", request);
				var xmlobj   = new XmlDocument();
				xmlobj.LoadXml(response);
				var json   = JsonConvert.SerializeXmlNode(xmlobj);
				var parsed = TicketResponse.FromJson(json);

				var tripId = Request.Query["action"] == "addleg"
					? int.Parse(Request.Query["tripid"])
					: db.InsertWithInt32Identity(new Trip {UserId = int.Parse(HttpContext.Session.GetString("uid"))});

				var ticketId = db.InsertWithInt32Identity(new Ticket {
					OrderId       = Request.Query["order"],
					TicketInfo    = parsed.Rporderdetails.Order.Tcklist.Tck.Mtk.Txt,
					TicketQr      = parsed.Rporderdetails.Order.Tcklist.Tck.Htdata.Ht.First(p => p.Name == "barcode").Text,
					TicketSecCode = parsed.Rporderdetails.Order.Tcklist.Tck.Htdata.Ht.First(p => p.Name == "sichtmerkmal").Text,
					UserId        = int.Parse(HttpContext.Session.GetString("uid")),
					TicketPkPass  = parsed.Rporderdetails.Order.Tcklist.Tck.Htdata.Ht.First(p => p.Name == "pass").Text, // application/vnd.apple.pkpass;base64
					Traveller = parsed.Rporderdetails.Order.Tcklist.Tck.Mtk.ReisenderVorname
								+ " "
								+ parsed.Rporderdetails.Order.Tcklist.Tck.Mtk.ReisenderNachname,
				});

				foreach (var leg in parsed.Rporderdetails.Order.Schedulelist.Out.Trainlist.Train) {
					db.InsertWithInt32Identity(new Leg {
						TripId       = tripId,
						UserId       = int.Parse(HttpContext.Session.GetString("uid")),
						TrainType    = leg.Gattung,
						TrainNr      = int.Parse(leg.Zugnummer),
						ArrStation   = leg.Arr.Name,
						ArrStationId = int.Parse(leg.Arr.BhfNr),
						ArrTime      = leg.Arr.Date.Replace("00:00:00", leg.Arr.Time),
						DepStation   = leg.Dep.Name,
						DepStationId = int.Parse(leg.Dep.BhfNr),
						DepTime      = leg.Dep.Date.Replace("00:00:00", leg.Dep.Time),
						TicketId     = ticketId,
					});

					db.InsertWithInt32Identity(new TicketLeg {
						TicketId     = ticketId,
						TrainType    = leg.Gattung,
						TrainNr      = int.Parse(leg.Zugnummer),
						ArrStation   = leg.Arr.Name,
						ArrStationId = int.Parse(leg.Arr.BhfNr),
						ArrTime      = leg.Arr.Date.Replace("00:00:00", leg.Arr.Time),
						DepStation   = leg.Dep.Name,
						DepStationId = int.Parse(leg.Dep.BhfNr),
						DepTime      = leg.Dep.Date.Replace("00:00:00", leg.Dep.Time),
					});
				}

				TripId = tripId;
			}
		}
	}
}