using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using InABox.Core;

namespace Comal.Classes
{

    public class NotificationDocumentCount : CoreAggregate<Notification, NotificationDocument, Guid>
    {
        public override Expression<Func<NotificationDocument, Guid>> Aggregate => x => x.ID;

        public override AggregateCalculation Calculation => AggregateCalculation.Count;

        public override Dictionary<Expression<Func<NotificationDocument, object>>, Expression<Func<Notification, object>>> Links =>
            new Dictionary<Expression<Func<NotificationDocument, object>>, Expression<Func<Notification, object>>>()
            {
                { NotificationDocument => NotificationDocument.EntityLink.ID, Notification => Notification.ID }
            };
    }
    
    [UserTracking("Notifications")]
    public class Notification : Entity, IRemotable, IPersistent, IOneToMany<Job>, ILicense<CoreLicense>
    {
        [EditorSequence(1)]
        [DateTimeEditor(Editable = Editable.Hidden)]
        public override DateTime Created
        {
            get => base.Created;
            set => base.Created = value;
        }

        [EditorSequence(2)]
        public EmployeeLink Sender { get; set; }

        [EditorSequence(3)]
        public EmployeeLink Employee { get; set; }

        [EditorSequence(4)]
        public JobLink Job { get; set; }

        [EditorSequence(5)]
        [TextBoxEditor]
        public string Title { get; set; }

        [EditorSequence(6)]
        [RichTextEditor]
        public string Description { get; set; }

        [EditorSequence(7)]
        [TimestampEditor]
        public DateTime Closed { get; set; }

        [Obsolete("Replaced with Type+EntityID")]
        [NullEditor]
        public DeliveryLink Delivery { get; set; }

        [Obsolete("Replaced with Type+EntityID")]
        [NullEditor]
        public KanbanLink Kanban { get; set; }

        [Obsolete("Replaced with Type+EntityID")]
        [NullEditor]
        public SetoutLink Setout { get; set; }

        [Obsolete("Replaced with Type+EntityID")]
        [NullEditor]
        public RequisitionLink Requisition { get; set; }

        [Obsolete("Replaced with Type+EntityID")]
        [NullEditor]
        public LeaveRequestLink LeaveRequestLink { get; set; }

        [NullEditor]
        public string EntityType { get; set; }

        [NullEditor]
        public Guid EntityID { get; set; }
        
        [NullEditor]
        [Aggregate(typeof(NotificationDocumentCount))]
        public int DocumentCount { get; set; }
    }
}