using Microsoft.Extensions.Configuration;
using MySqlConnector;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using uWine.Core.Domain.Entities;
using uWine.Core.Domain.Repositories;

namespace uWine.Core.Infrastructure.Repository
{
    public class MariaDbAuthenticationRepository : MariaDbServerRepository, IAuthenticationRepository
    {
        public MariaDbAuthenticationRepository(IConfiguration configuration) : base(configuration)
        {
        }

        public bool Valid(User user)
        {
            if (user == null || string.IsNullOrEmpty(user.Username) || string.IsNullOrEmpty(user.Password)) return false;
            using (var conn = Connection())
            {
                conn.Open();
                var cmd = new MySqlCommand("sp_login_user", conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.AddWithValue("@IN_username", user.Username);
                cmd.Parameters.AddWithValue("@IN_password", user.Password);
                using (var reader = cmd.ExecuteReader())
                {
                    if (reader.Read())
                    {
                        return reader.GetBoolean("valid");
                    }
                }
            }
            return false;
        }

        public User LoggedUser(User user)
        {
            using (var conn = Connection())
            {
                conn.Open();
                var cmd = new MySqlCommand($@"SELECT u.id, 
                                                     username, 
                                                     u.role as role_id,
                                                     r.role as name,
                                                     description
                                              FROM t_users u
                                                JOIN t_role r on r.id = u.role
                                              WHERE username = @username AND active = 1 AND 
                                              password = SHA2(CONCAT(@password, salt), 512)", conn);
                cmd.Parameters.AddWithValue("username", user.Username);
                cmd.Parameters.AddWithValue ("password", user.Password);
                using( var reader  = cmd.ExecuteReader())
                {
                    if (reader.Read())
                    {
                        return User.LoginUser(reader);
                    }

               }
            }
            return new User();
        }
    }
}