using BST.LionMarrodentWorkers.UI.Kontrahenci.Extenders;
using Soneta.Business;
using Soneta.CRM;
using Soneta.Towary;
using Soneta.Types;

[assembly: Worker(typeof(CzDiscountExtender))]

namespace BST.LionMarrodentWorkers.UI.Kontrahenci.Extenders
{
    public sealed class CzDiscountExtender : ISessionable
    {
        //Context
        [Context] public Kontrahent Counterparty { get; set; }
        [Context] public Session Session { get; set; }

        //Public - get - properties
        public Percent FlatDiscount => Counterparty?.Rabat ?? Percent.Zero;
        public ViewInfo Group => GetGroupDiscounts();
        public ViewInfo Manufacturer => GetManufacturerDiscounts();
        public ViewInfo Individual => GetIndividualDiscounts();
        public ViewInfo Periodic => GetPeriodicDiscounts();

        //Private - methods
        private ViewInfo GetGroupDiscounts()
        {
            ViewInfo vi = new ViewInfo();

            vi.CreateView += (sender, args) =>
            {
                args.View = TowaryModule.GetInstance(args.Session).CenyGrupowe
                    .WgKontrahent[Counterparty][x => x.RabatZdefiniowany && x.GrupaTowarowa.Category == "F.CZ_GroupOfGood"]
                    .CreateView();
            };

            return vi;
        }

        private ViewInfo GetManufacturerDiscounts()
        {
            ViewInfo vi = new ViewInfo();

            vi.CreateView += (sender, args) =>
            {
                args.View = TowaryModule.GetInstance(args.Session).CenyGrupowe
                    .WgKontrahent[Counterparty][x => x.RabatZdefiniowany && x.GrupaTowarowa.Category == "F.CZ_Manufacture"]
                    .CreateView();
            };

            return vi;
        }

        private ViewInfo GetIndividualDiscounts()
        {
            ViewInfo vi = new ViewInfo();

            vi.CreateView += (sender, args) =>
            {
                args.View = TowaryModule.GetInstance(Session).CenyIndywidualne
                    .WgKontrahent[Counterparty]
                    .CreateView();
            };

            return vi;
        }

        private ViewInfo GetPeriodicDiscounts()
        {
            ViewInfo vi = new ViewInfo();

            vi.CreateView += (sender, args) =>
            {
                RowCondition rc = new FieldCondition.Equal("PrzecenaOkresowa.Zatwierdzona", true);
                rc &= new FieldCondition.LessEqual("PrzecenaOkresowa.Okres.From", Date.Today);
                rc &= new FieldCondition.GreaterEqual("PrzecenaOkresowa.Okres.To", Date.Today);
                rc &= new RowCondition.Or(new FieldCondition.Null("PrzecenaOkresowa.Kontrahent", true),
                    new FieldCondition.Equal("PrzecenaOkresowa.Kontrahent.Guid", Counterparty.Guid));

                args.View = TowaryModule.GetInstance(Session).PrzecenyOkresTwr.WgTowar[rc].CreateView();
            };

            return vi;
        }
    }
}