using System.Collections.Generic;
using System.Linq;
using LinqToDB;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc.RazorPages;
using trainav.web.database;
using trainav.web.database.Tables;

namespace trainav.web.Pages {
	public class TripModel : PageModel {
		public     List<Leg> Legs;
		public     bool      RedirToIndex;
		public new string    User;

		public void OnGet() {
			if (HttpContext.Session.GetString("authorized") != "true")
				return;

			using var db = new Database.DbConn();
			if (Request.Query.ContainsKey("separator")) {
				var leg = db.Legs.First(p => p.LegId == int.Parse(Request.Query["legid"]));
				if (leg.UserId != int.Parse(HttpContext.Session.GetString("uid")))
					return;

				db.Insert(new Leg {
					TripId       = int.Parse(Request.Query["id"]),
					UserId       = int.Parse(HttpContext.Session.GetString("uid")),
					TrainType    = "placeholder",
					TrainNr      = int.Parse(Request.Query["legid"]),
					ArrStation   = "_",
					ArrStationId = 0,
					ArrTime      = "_",
					DepStation   = "_",
					DepStationId = 0,
					DepTime      = leg.DepTime + "_placeholder"
				});
				return;
			}

			Legs = db.Legs.Where(p => p.TripId == int.Parse(Request.Query["id"])).OrderBy(p => p.DepTime).ToList();

			if (!db.Legs.Any(p => p.TripId == int.Parse(Request.Query["id"]))) {
				RedirToIndex = true;
				return;
			}

			User = db.Users.First(p => p.UserId == Legs.First().UserId).Username;
		}

		public void OnPost() {
			if (HttpContext.Session.GetString("authorized") != "true")
				return;

			using var db = new Database.DbConn();
			if (!Request.Form.ContainsKey("comment"))
				return;

			var leg = db.Legs.First(p => p.LegId == int.Parse(Request.Form["id"]));
			if (leg.UserId != int.Parse(HttpContext.Session.GetString("uid")))
				return;

			leg.Comment = Request.Form["comment"];

			db.Update(leg);
		}
	}
}