using System;
using System.Linq;
using LinqToDB;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc.RazorPages;
using RTMPDash.DataModels;
using RTMPDash.DataModels.Tables;

namespace RTMPDash.Pages {
	public class RegisterModel : PageModel {
		public void OnPost() {
			if (!Request.HasFormContentType
				|| string.IsNullOrWhiteSpace(Request.Form["user"])
				|| string.IsNullOrWhiteSpace(Request.Form["pass"])
				|| string.IsNullOrWhiteSpace(Request.Form["code"]))
				return;

			using var db = new AppDb.DbConn();
			if (!db.Invites.Any(p => p.Code == Request.Form["code"]))
				return;

			var user = db.Users.FirstOrDefault(p => p.Username == Request.Form["user"].ToString());
			if (user != null) {
				//user already exists
				Response.Redirect("/Register?e=user_exists");
				return;
			}

			user = new User {
				Username          = Request.Form["user"].ToString(),
				Password          = Request.Form["pass"].ToString().Sha256(),
				StreamKey         = Guid.NewGuid().ToString().Substring(9, 14),
				PronounSubject    = "they",
				PronounPossessive = "their",
				SrcRes            = "unspecified"
			};

			db.Insert(user);

			db.Delete(db.Invites.First(p => p.Code == Request.Form["code"]));

			HttpContext.Session.SetString("authenticatedUser", user.Username);
		}
	}
}