using DeviceId;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EgwCoreLib.Utils
{
    /// <summary>
    /// Classe gestione SubLicenze (attivazioni)
    /// </summary>
    public class SubLicManager
    {
        #region Public Constructors

        public SubLicManager()
        {
            MachineDataValidator = new MachineDataValidator();
            MachineInfo = new MachineInfo();
        }

        #endregion Public Constructors

        #region Public Methods

        public string CodImpiego()
        {
            Guid tempKey = Guid.NewGuid();
            string codice = $"{tempKey}";
            // impiego libreria nuget
            codice = new DeviceIdBuilder()
                          .AddMachineName()
                          .AddUserName()
                          .AddOsVersion()
                          .OnWindows(windows => windows
                              .AddMacAddressFromWmi(excludeWireless: true, excludeNonPhysical: true)
                              .AddProcessorId()
                              .AddMotherboardSerialNumber()
                              .AddSystemDriveSerialNumber())
                          .ToString();
            return codice;
        }

        /// <summary>
        /// Genera KEY macchina in modalità encrypt
        /// </summary>
        /// <param name="passphrase"></param>
        /// <param name="addGuid"></param>
        /// <returns></returns>
        public string GenKey(string passphrase, bool addGuid = false)
        {
            Guid tempKey = Guid.NewGuid();
            var UserData = MachineInfo.GetInfo("USER");
            string payload = addGuid ? $"|{tempKey}|" : "";
            if (UserData.ContainsKey("MachineName"))
            {
                payload += $"{UserData["MachineName"]}|";
            }
            if (UserData.ContainsKey("UserDomainName"))
            {
                payload += $"{UserData["UserDomainName"]}|";
            }
            if (UserData.ContainsKey("UserName"))
            {
                payload += $"{UserData["UserName"]}|";
            }
            payload += $"{DateTime.Now:yyMMdd}-{DateTime.Now:HHmmss}|";
            return SteamCrypto.EncryptString(payload, passphrase);
        }

        #endregion Public Methods

        #region Private Properties

        private MachineDataValidator MachineDataValidator { get; set; } = null!;

        private MachineInfo MachineInfo { get; set; } = null!;

        #endregion Private Properties
    }
}