using Elwig.Models.Entities;
using System;

namespace Elwig.Helpers.Billing {
    public class ContractSelection : IComparable<ContractSelection> {

        public WineVar? Variety { get; }
        public WineAttr? Attribute { get; }
        public string Listing => $"{Variety?.SortId}{Attribute?.AttrId}";
        public string FullName => $"{Variety?.Name}" + (Variety != null && Attribute != null ? " " : "") + $"{Attribute?.Name}";

        public ContractSelection(WineVar? var, WineAttr? attr) {
            Variety = var;
            Attribute = attr;
        }

        public override string ToString() {
            return Listing;
        }

        public int CompareTo(ContractSelection? other) {
            return Listing.CompareTo(other?.Listing);
        } 
    }
}