using System;
using System.Collections.Generic;
using System.Data.Entity;
using Step.Model.DatabaseModels;
using MySql.Data.Entity;
using static Step.Utils.ExceptionManager;
using static Step.Utils.Constants;
using Step.Database.Migrations;

namespace Step.Database
{
    [DbConfigurationType(typeof(MySqlEFConfiguration))]
    public class DatabaseContext : DbContext
    {
        public DbSet<UserModel> Users { get; set; }
        public DbSet<RoleModel> Roles { get; set; }
        public DbSet<FunctionAccessModel> FunctionsAccess { get; set; }

        public DatabaseContext()
            : base("mySQLDatabaseConnection")
        {
        }

        public static void TestDatabaseConnection()
        {
            System.Data.Entity.Database.SetInitializer(new MigrateDatabaseToLatestVersion<DatabaseContext, Configuration>());

            using (DatabaseContext dbContext = new DatabaseContext())
            {
                try
                {
                    dbContext.Database.Connection.Open();
                    dbContext.Database.Connection.Close();
                }
                catch (MySql.Data.MySqlClient.MySqlException ex)
                {
                    if (ex.Number == 0)
                    {
                        dbContext.Database.Initialize(true);
                    }
                    else if (ex.Number == 1042) // Can't find MySQLServer
                    {
                        Manage(ERROR_LEVEL.FATAL, ex);
                    }
                    else
                    {
                        Manage(ERROR_LEVEL.ERROR, ex);
                    }
                }
            }
        }
    }
}