using Microsoft.AspNetCore.Components.Authorization;
using Neighbourhood.omg.lol.Models;
using System.Security.Claims;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Neighbourhood.omg.lol {
	public class CustomAuthenticationStateProvider : AuthenticationStateProvider {
		private State State;
		public CustomAuthenticationStateProvider(State _state) {
			this.State = _state;
		}

		public async Task Login(string token) {
			await SecureStorage.SetAsync("accounttoken", token);
			NotifyAuthenticationStateChanged(GetAuthenticationStateAsync());
		}

		public async Task Logout() {
			SecureStorage.Remove("accounttoken");
      Preferences.Default.Clear();
      NotifyAuthenticationStateChanged(GetAuthenticationStateAsync());
		}

		public override async Task<AuthenticationState> GetAuthenticationStateAsync() {
			var identity = new ClaimsIdentity();
			try {
				var token = await SecureStorage.GetAsync("accounttoken");
				if (token != null) {
					await State.PopulateAccountDetails(token);

					if(State.AccountInfo != null) { 
            List<Claim> claims = new List<Claim> { 
							new Claim(ClaimTypes.Name, State.AccountInfo.Name),
							new Claim(ClaimTypes.Email, State.AccountInfo.Email)
						};
						identity = new ClaimsIdentity(claims, "Server authentication");
					}
				}
			}
			catch (HttpRequestException ex) {
				Console.WriteLine("Request failed:" + ex.ToString());
			}

			return new AuthenticationState(new ClaimsPrincipal(identity));
		}
	}
}