using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using gehGassiApp.Domain.Base;
using gehGassiApp.Domain.Common;

namespace gehGassiApp.Domain.Lookup
{
    /// <summary>
    /// Lookup für dogOwner und DogWalker
    /// </summary>
    public class AppUserLookup : SyncEntity
    {
        /// <summary>
        /// Vorname
        /// </summary>
        public string FirstName { get; set; }

        /// <summary>
        /// Nachname
        /// </summary>
        public string LastName { get; set; }

        /// <summary>
        /// Optional - Foto des Benutzers
        /// </summary>
        public string Photo { get; set; }

        /// <summary>
        /// Typ der Entität
        /// </summary>
        public AppUserType Type { get; set; }

        /// <summary>
        /// Hinweis auf den Ort wo jemand zu Hause ist
        /// </summary>
        public string LocationHint { get; set; }

        /// <summary>
        /// Breitengrad der Adresse
        /// </summary>
        public double Lat { get; set; }

        /// <summary>
        /// Längengrad der Adresse
        /// </summary>
        public double Lng { get; set; }

        /// <summary>
        /// Distanz zum Lookup
        /// </summary>
        public double Distance { get; set; }

        /// <summary>
        /// Gibt die Initialien zurück
        /// </summary>
        public string Initials
        {
            get
            {
                if (!string.IsNullOrWhiteSpace(FirstName) && !string.IsNullOrWhiteSpace(LastName))
                    return $"{FirstName.Substring(0, 1)}{LastName.Substring(0, 1)}";
                else if(!string.IsNullOrWhiteSpace(FirstName) && FirstName.Length >= 2 && string.IsNullOrWhiteSpace(LastName))
                    return $"{FirstName.Substring(0, 2)}";
                else if (string.IsNullOrWhiteSpace(FirstName) && string.IsNullOrWhiteSpace(LastName) && LastName.Length >= 2)
                    return $"{LastName.Substring(0, 2)}";
                else
                    return "??";
            }
        }

        /// <summary>
        /// Voller Name
        /// </summary>
        public string FullName => $"{FirstName} {LastName}";

        /// <summary>
        /// Vorname + Nachname erster Buchstabe + Punkt, oder nur Vorname wenn kein Nachname
        /// </summary>
        [NotMapped]
        public string FullNameShort => string.IsNullOrWhiteSpace(LastName) ? FirstName : $"{FirstName} {LastName[..1]}.";
    }
}