using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static GB5Shared.DTO.Framework.Enum.FrameworkEnumDTO;

namespace GB5Shared.DTO.Framework.CommonConfig
{
    public class Gb5SystemDTO  // ✅ Separate DTO class to avoid recursive constructor calls
    {
        public int DataBaseType { get; set; }
        public string Gb5System { get; set; }
        public string Gb5SystemPG { get; set; }
        public string Gb4ServiceCache { get; set; }
        public string JasperServer { get; set; }
        public string JasperNewVersion { get; set; }
        public string SchedulerTemplate { get; set; }

        /// <summary>
        /// Per-module override for the session idle timeout (minutes).
        /// </summary>
        public int SessionExpiryMinutes { get; set; } = 0;

        /// <summary>
        /// Public base URL of this service — used to build email approval links.
        /// </summary>
        public string ServiceBaseUrl { get; set; } = string.Empty;

        /// <summary>
        /// 0 = SQL Server (Gb5System)
        /// 2 = PostgreSQL (Gb5SystemPG)
        /// </summary>
        public string ActiveConnectionString => DataBaseType switch
        {
            0 => Gb5System,  // SQL Server
            2 => !string.IsNullOrWhiteSpace(Gb5SystemPG)
                    ? Gb5SystemPG   // ✅ New format — use Gb5SystemPG
                    : Gb5System,    // ✅ Old format — PG string in Gb5System
            _ => throw new NotSupportedException($"DataBaseType '{DataBaseType}' is not supported.")
        };

        public DatabaseType ActiveDatabaseType =>
            (DatabaseType)DataBaseType;
    }

    // ✅ ADD THIS — Wrapper class to allow DI injection of DatabaseType enum
    // (enums cannot be registered directly as singleton in .NET DI)
    public class DatabaseTypeConfig
    {
        public DatabaseType Value { get; set; }

        public DatabaseTypeConfig(DatabaseType value)
        {
            Value = value;
        }
    }
}