using GPW.CORE.Data;
using GPW.CORE.Data.DbModels;
using System.Security.Cryptography;
using System.Text;

namespace GPW.CORE.UI.Data
{
    public class MessageService
    {

        #region Private Fields

        private string _pageIcon = "";

        private string _pageName = "";

        private string _searchVal = "";

        private DipendentiModel _rigaDip;

        private bool showSearch;

        #endregion Private Fields

        #region Public Events

        public event Action EA_HideSearch = null!;

        public event Action EA_PageUpdated = null!;

        public event Action EA_SearchUpdated = null!;

        public event Action EA_ShowSearch = null!;

        #endregion Public Events

        #region Public Properties

        public string PageIcon
        {
            get => _pageIcon;
            set
            {
                if (_pageIcon != value)
                {
                    _pageIcon = value;
                    ReportPageUpd();
                }
            }
        }

        public string PageName
        {
            get => _pageName;
            set
            {
                if (_pageName != value)
                {
                    _pageName = value;
                    ReportPageUpd();
                }
            }
        }

        public string SearchVal
        {
            get => _searchVal;
            set
            {
                if (_searchVal != value)
                {
                    _searchVal = value;

                    if (EA_SearchUpdated != null)
                    {
                        EA_SearchUpdated?.Invoke();
                    }
                }
            }
        }

        public DipendentiModel? RigaDip
        {
            get => _rigaDip;
            set
            {
                if (_rigaDip != value)
                {
                    _rigaDip = value;

                    if (EA_SearchUpdated != null)
                    {
                        EA_SearchUpdated?.Invoke();
                    }
                }
            }
        }

        public int IdxDipendente
        {
            get
            {
                int answ = 0;
                if (_rigaDip != null)
                {
                    answ = _rigaDip.IdxDipendente;
                }
                return answ;
            }
        }

        public bool IsActive
        {
            get
            {
                bool answ = false;
                if (_rigaDip != null)
                {
                    answ = (bool)_rigaDip.Attivo;
                }
                return answ;
            }
        }
        public bool PayloadOk { get; set; } = false;

        /// <summary>
        /// Calcola HASH del codice impiego = payload utente
        /// </summary>
        /// <param name="rigaDip"></param>
        /// <returns></returns>
        public string HashDip
        {
            get
            {
                string hash = "";
                string answ = "";
                if (_rigaDip != null)
                {
                    answ = $"{_rigaDip.IdxDipendente}|{_rigaDip.Cognome}.{_rigaDip.Nome}|{_rigaDip.Cf}|{_rigaDip.DataAssunzione:yyyyMMdd}|{_rigaDip.Email}|{_rigaDip.Matricola}";
                }
                // hashing!
                using (var md5 = MD5.Create())
                {
                    byte[] InputBytes = Encoding.UTF8.GetBytes(answ);
                    var byteHash = md5.ComputeHash(InputBytes);
                    hash = BitConverter.ToString(byteHash).Replace("-", "").ToLowerInvariant();
                }
                return hash;
            }
        }
     
        public bool ShowSearch
        {
            get => showSearch;
            set
            {
                if (showSearch != value)
                {
                    showSearch = value;
                    if (showSearch)
                    {
                        if (EA_ShowSearch != null)
                        {
                            EA_ShowSearch?.Invoke();
                        }
                    }
                    else
                    {
                        if (EA_HideSearch != null)
                        {
                            EA_HideSearch?.Invoke();
                        }
                    }
                }
            }
        }

        public RegAttivitaModel? recordRA { get; set; } = null;
        public RegAttivitaModel? clonedRA { get; set; } = null;


        public int selWeekNum { get; set; } = 0;
        public int selYear { get; set; } = DateTime.Today.Year;

        public DateTime targetDate { get; set; } = DateTime.Today;


        #endregion Public Properties

        #region Private Methods

        private void ReportPageUpd()
        {
            if (EA_PageUpdated != null)
            {
                EA_PageUpdated?.Invoke();
            }
        }

        private void ReportSearch()
        {
            if (EA_SearchUpdated != null)
            {
                EA_SearchUpdated?.Invoke();
            }
        }

        #endregion Private Methods
    }
}