using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NonaBGS.Journal;

namespace NonaBGS.BGS {
    public class Vouchers : LogEntry {

        public int TotalSum {
            get {
                return Entries
                    .Where(x => x.GetType() == typeof(RedeemVoucherEntry))
                    .Sum(x => (x as RedeemVoucherEntry).Amount)
                    ;
            }
        }

        public string Type {
            get {
                string v = Entries
                             .Where(x => x.GetType() == typeof(RedeemVoucherEntry))
                             .GroupBy(x => (x as RedeemVoucherEntry).Type)
                             .Select(x => x.Key)
                             .First();
                return v;
            }
        }

        public override string ToString() {
            StringBuilder builder = new StringBuilder();

            builder.AppendFormat("{0} Vouchers: {1} CR", TotalSum, Type);

            return builder.ToString();
        }

        /// <summary>
        /// Vouchers only help the controlling faction
        /// </summary>
        public override bool OnlyControllingFaction => true;
    }
}