using HeartTrack.Models;
using HeartTrack.Models.Authentification;
using Microsoft.AspNetCore.Components;
using System.Security.Claims;

namespace HeartTrack.Services.AuthentificationService
{
    public class AuthService : IAuthService
    {
        private readonly List<AppUser> users;

        [Inject]
        private HttpClient Http { get; set; }
        [Inject]
        private NavigationManager NavigationManager { get; set; }

        private readonly ILogger<AuthService> _logger;

        public AuthService(IDataService dataService, ILogger<AuthService> logger)
        {
            users = new List<AppUser>
                    {
                        new AppUser { UserName = "Admin", Password = "123456", Roles = new List<string> { "admin" } }
                    };
            _logger = logger;
        }

        public async Task<CurrentUser> GetUser(string username, string password)
        {
            var user = users.FirstOrDefault(w => w.UserName == username && BCrypt.Net.BCrypt.Verify(password, w.Password));

            if (user == null)
            {
                throw new Exception("User name or password invalid !");
            }

            var claims = new List<Claim>();
            claims.AddRange(user.Roles.Select(s => new Claim(ClaimTypes.Role, s)));

            return await Task.FromResult(new CurrentUser
            {
                IsAuthenticated = true,
                UserName = user.UserName,
                Claims = claims.ToDictionary(c => c.Type, c => c.Value)
            });
        }

        public async Task Login(LoginRequest loginRequest)
        {
            var user = users.FirstOrDefault(w => w.UserName == loginRequest.UserName && BCrypt.Net.BCrypt.Verify(loginRequest.Password, w.Password));


            if (user == null)
            {
                _logger.LogError($"�chec de connexion pour l'utilisateur : {loginRequest.UserName}");
                throw new Exception("User name or password invalid !");
            }

        }
    }
}