using System.Collections.Generic;
using System.Threading.Tasks;
using MySql.Data.MySqlClient;

namespace Framework.Server {
    public static class MySql {

        private static MySqlConnection _connection;

        public static void Initialize(string connectionString) {
            _connection = new MySqlConnection(connectionString);
        }

        public static async Task Execute(string query) {
            await _connection.OpenAsync();
            var cmd = new MySqlCommand(query, _connection);
            await cmd.ExecuteNonQueryAsync();
            await _connection.CloseAsync();
        }

        public static async Task<dynamic[]> FetchAll(string query) {
            await _connection.OpenAsync();
            var cmd = new MySqlCommand(query, _connection);
            var result = await cmd.ExecuteReaderAsync();

            List<dynamic> data = new List<dynamic>();
            foreach (var record in result) {
                data.Add(record);
            }

            await _connection.CloseAsync();

            return data.ToArray();
        }

        public static async Task<dynamic> FetchOne(string query) {
            var result = await FetchAll(query);
            return result[0];
        }

        public static async void CreateTables(params string[] querys) {
            var query = string.Join(";", querys);
            await Execute(query);
        }

    }
}