using KWWebInvApp.Data;
using UserInfoServices;

namespace KWWebInvApp.Services
{
    public class AuthenticationService : IAuthenticationService
    {
        private UserInfoServices.userinfo? CurrentUser;

        public async Task<userinfo> GetAuthenticatedUserAsync()
        {
            return CurrentUser;
        }

        public async Task SetAuthenticatedUserAsync(UserInfoServices.userinfo currentUser)
        {
            CurrentUser = currentUser;
        }

        public async Task<bool> LoginAsync(LoginData loginData)
        {
            if (!string.IsNullOrWhiteSpace(loginData.username) && !string.IsNullOrWhiteSpace(loginData.password))
            {
                UserInfoServices.UserInfoServiceClient userInfoServiceClient = new();
                UserInfoServices.userinfo userAttemptingToLogin = new UserInfoServices.userinfo()
                {
                    username = loginData.username,
                    pass = await userInfoServiceClient.md5EncodingAsync(loginData.password)
                };

                CurrentUser = await userInfoServiceClient.AuthenticateUserAsync(userAttemptingToLogin);

                if (CurrentUser == null)
                    return false;
                else
                    return true;
            }

            return false;
        }

        public async Task LogoutAsync()
        {
            CurrentUser = null;
        }
    }
}