using SqlSugar;

namespace IStation.DAL
{
    /// <summary>
    /// 数据库连接辅助类
    /// </summary>
    public class ConnectionFactory
    {
        private static long _projectId;
        private static ConnectionConfig _basicConfig = null;

        /// <summary>
        /// 创建连接对象
        /// </summary>
        public static ConnectionConfig BasicConnection(long projectId)
        {
            try
            {
                if (_projectId == projectId)
                {
                    if (_basicConfig != null)
                        return _basicConfig;
                }
                _projectId = projectId;
                var dbName = SettingsD.File.BasicDB;
                var filePath = $"{FileHelper.GetProjectFolder(projectId)}\\{dbName}";
                if (!System.IO.File.Exists(filePath))
                {
                    throw new System.Exception($"{dbName}文件不存在!Path:{filePath}");
                }

                _basicConfig = new ConnectionConfig()
                {
                    ConnectionString = $"DataSource={filePath}",
                    IsAutoCloseConnection = true,
                    DbType = SqlSugar.DbType.Sqlite
                };
                return _basicConfig;
            }
            catch (System.Exception)
            {
                // LogHelper.Error(ex.Message);
                return null;
            }
        }



    }
}