using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using gehGassi.Domain.Common;
using NetTopologySuite.Geometries;
using Newtonsoft.Json;

namespace gehGassi.Domain.News
{
    /// <summary>
    /// Repräsentiert eine News-Meldung
    /// </summary>
    public class News : IAuditable
    {
        /// <summary>
        /// Eindeutige Id
        /// </summary>
        [Key]
        [Required]
        public long Id { get; set; }

        /// <summary>
        /// Id der News-Kategorie
        /// </summary>
        [Required]
        [MaxLength(128)]
        public string CategoryId { get; set; }

        /// <summary>
        /// Status der News
        /// </summary>
        [Required]
        public NewsStatus Status { get; set; }

        /// <summary>
        /// Sichtbarkeit der News
        /// </summary>
        [Required]
        public NewsVisibility Visibility { get; set; }

        /// <summary>
        /// Startdatum
        /// </summary>
        [Required]
        public DateTimeOffset Start { get; set; }

        /// <summary>
        /// Enddatum
        /// </summary>
        public DateTimeOffset? End { get; set; }

        /// <summary>
        /// Erstellt von
        /// </summary>
        [Required]
        [MaxLength(100)]
        public string Creator { get; set; }

        /// <summary>
        /// Stammt von einer externen Quelle
        /// </summary>
        [Required]
        public bool IsExternal { get; set; }

        /// <summary>
        /// Quelle der News wenn extern
        /// </summary>
        [MaxLength(100)]
        public string Source { get; set; }

        #region Inhalt

        /// <summary>
        /// Sprache für welche die News zur Verfügung steht
        /// </summary>
        [Required]
        [MaxLength(2)]
        public string Language { get; set; }

        /// <summary>
        /// Bild für die Newsmeldung
        /// </summary>
        [MaxLength(500)]
        public string Image { get; set; }

        /// <summary>
        /// Schlagzeile
        /// </summary>
        [Required]
        [MaxLength(100)]
        public string Headline { get; set; }

        /// <summary>
        /// Inhalt - HTML
        /// </summary>
        [Required]
        public string Content { get; set; }

        #endregion

        #region Geo-Einschränkungen

        /// <summary>
        /// Art der Geo-Einschränkung
        /// </summary>
        [Required]
        public GeoMode GeoMode { get; set; }

        /// <summary>
        /// Bundesland / Staat
        /// </summary>
        [MaxLength(10)]
        public string State { get; set; }

        /// <summary>
        /// ISO2 Ländercode
        /// </summary>
        [MaxLength(2)]
        public string CountryCode { get; set; }

        /// <summary>
        /// Geo-Koordinaten
        /// </summary>
        public Point Location { get; set; }

        /// <summary>
        /// Radius für eine Geolocation
        /// </summary>
        public double Radius { get; set; }

        #endregion

        /// <summary>
        /// Gelöscht
        /// </summary>
        [Required]
        public bool Deleted { get; set; }

        /// <summary>
        /// Datum der Erstellung
        /// </summary>
        public DateTimeOffset Created { get; set; }

        #region IAuditable
        /// <summary>
        /// Gibt den eindeutigen Key für die Entität zurück;
        /// Hier als String gelöst, weil damit auch kombinierte Schlüssel möglich sind.
        /// </summary>
        /// <returns>Eindeutiger Key</returns>
        public string AuditKey()
        {
            return Id.ToString();
        }

        /// <summary>
        /// Gibt den Objektnamen bzw. die Tabelle der Entität zurück
        /// </summary>
        /// <returns>Objektnamen</returns>
        public string AuditTable()
        {
            return "News";
        }

        public AuditableOptions Options()
        {
            return AuditableOptions.Create | AuditableOptions.Edit | AuditableOptions.Delete;
        }

        #endregion
    }

    /// <summary>
    /// Repräsentiert eine News-Meldung für Listen mit Namen aufgelöst
    /// </summary>
    public class NewsWithNames
    {
        /// <summary>
        /// Eindeutige Id
        /// </summary>
        public long Id { get; set; }

        /// <summary>
        /// Id der News-Kategorie
        /// </summary>
        public string CategoryId { get; set; }

        /// <summary>
        /// Name der News-Kategorie
        /// </summary>
        public string CategoryName { get; set; }

        /// <summary>
        /// Status der News
        /// </summary>
        public NewsStatus Status { get; set; }

        /// <summary>
        /// Sichtbarkeit der News
        /// </summary>
        public NewsVisibility Visibility { get; set; }

        /// <summary>
        /// Startdatum
        /// </summary>
        public DateTimeOffset Start { get; set; }

        /// <summary>
        /// Enddatum
        /// </summary>
        public DateTimeOffset? End { get; set; }

        /// <summary>
        /// Erstellt von
        /// </summary>
        public string Creator { get; set; }

        /// <summary>
        /// Stammt von einer externen Quelle
        /// </summary>
        public bool IsExternal { get; set; }

        /// <summary>
        /// Quelle der News wenn extern
        /// </summary>
        public string Source { get; set; }

        #region Inhalt

        /// <summary>
        /// Sprache für welche die News zur Verfüggung steht
        /// </summary>
        public string Language { get; set; }

        /// <summary>
        /// Bild für die Newsmeldung
        /// </summary>
        public string Image { get; set; }

        /// <summary>
        /// Schlagzeile
        /// </summary>
        public string Headline { get; set; }

        /// <summary>
        /// Inhalt - HTML
        /// </summary>
        public string Content { get; set; }

        #endregion

        #region Geo-Einschränkungen

        /// <summary>
        /// Art der Geo-Einschränkung
        /// </summary>
        public GeoMode GeoMode { get; set; }

        /// <summary>
        /// Bundesland / Staat
        /// </summary>
        public string State { get; set; }

        /// <summary>
        /// ISO2 Ländercode
        /// </summary>
        public string CountryCode { get; set; }

        /// <summary>
        /// Geo-Koordinaten
        /// </summary>
        public Point Location { get; set; }

        /// <summary>
        /// Radius für eine Geolocation
        /// </summary>
        public double Radius { get; set; }

        #endregion

        /// <summary>
        /// Gelöscht
        /// </summary>
        public bool Deleted { get; set; }

        /// <summary>
        /// Datum der Erstellung
        /// </summary>
        public DateTimeOffset Created { get; set; }
    }
}