namespace HStation.Xhs.DAL
{
    /// <summary>
    ///
    /// </summary>
    public class DbFirstHelper
    {
        public static ConnectionConfig ConnectionConfig
        {
            get { return Xhs.ConfigHelper.PostgreSqlConnectionConfig; }
        }

        /// <summary>
        /// 初始化
        /// </summary>
        public bool Initial(out string msg)
        {
            msg = string.Empty;
            try
            {
                #region 基础模块

                var basicConnectConfig = ConnectionConfig;
                if (basicConnectConfig == null)
                {
                    msg = "连接配置初始化失败";
                    return false;
                }
                basicConnectConfig.ConfigureExternalServices = new ConfigureExternalServices()
                {
                    EntityService = (property, column) =>
                    {
                        //除主键外其他列都可空
                        if (!column.IsPrimarykey)
                        {
                            column.IsNullable = true;
                        }
                        if (column.DataType == StaticConfig.CodeFirst_BigString)
                        {
                            column.DataType = "character varying";
                        }
                    }
                };

                var basicTypeList = new List<Type>();
                //基础模块

                basicTypeList.Add(typeof(Yw.Entity.SysModule));
                basicTypeList.Add(typeof(Yw.Entity.SysType));
                basicTypeList.Add(typeof(Yw.Entity.SysCatalog));
                basicTypeList.Add(typeof(Yw.Entity.SysPropGroup));
                basicTypeList.Add(typeof(Yw.Entity.SysProp));
                basicTypeList.Add(typeof(Yw.Entity.SysPropMapping));
                basicTypeList.Add(typeof(Yw.Entity.SysPropChoice));
                basicTypeList.Add(typeof(Yw.Entity.SysPropValue));
                basicTypeList.Add(typeof(Yw.Entity.SysPropValuePure));
                basicTypeList.Add(typeof(Entity.PumpPartMain));
                basicTypeList.Add(typeof(Entity.PumpPropContent));
                basicTypeList.Add(typeof(Entity.PumpMainAndPartMap));
                basicTypeList.Add(typeof(Entity.PumpMain));
                basicTypeList.Add(typeof(Entity.PumpGroup));
                basicTypeList.Add(typeof(Entity.PumpGroupAndMainMap));
                basicTypeList.Add(typeof(Entity.PumpSeries));

                // basicTypeList.Add(typeof(Yw.Entity.SysCatalogOrg));

                //系统属性

                if (basicTypeList.Count > 0)
                {
                    using (var db = new SqlSugarClient(basicConnectConfig))
                    {
                        //设置字符串默认长度
                        //db.CodeFirst.SetStringDefaultLength(250);
                        //db.CodeFirst.SetStringDefaultLength(int.MaxValue);
                        //建库：如果不存在创建数据库存在不会重复创建 createdb;注意 ：Oracle和个别国产库需不支持该方法，需要手动建库
                        db.DbMaintenance.CreateDatabase();
                        db.CodeFirst.InitTables
                            (
                                basicTypeList.ToArray()
                            );
                    }
                }

                #endregion 基础模块

                return true;
            }
            catch (Exception ex)
            {
                msg = ex.Message;
                return false;
            }
        }
    }
}