using System.Collections.Generic;
using System.Linq;
using Kreta.Ellenorzo.Domain.VN.Ertekeles;
using Kreta.Ellenorzo.Domain.VN.Ertekeles.Atlag.TantargyiAtlag;

namespace Kreta.Ellenorzo.BL.VN.Logic
{
    /// <summary>
    /// Author: Kovács Kornél (DevKornél) Created On: 2019.10.
    /// </summary>
    public static class ErtekelesLogic
    {
        public static IEnumerable<ErtekelesListResponse> ListAtlagbaSzamitoErtekelesek(IEnumerable<ErtekelesListResponse> ertekelesek)
            => ertekelesek.Where(x => x.SzamErtek.HasValue && x.SulySzazalekErteke.HasValue);

        public static List<AtlagAlakulasaResponse> GetAtlagAlakulasaIdoFuggvenyeben(TantargyiAtlagResponse tantargyiAtlag)
        {
            List<AtlagAlakulasaResponse> response = new List<AtlagAlakulasaResponse>();
            List<ErtekelesListResponse> atlagbaSzamitoErtekelesek = ListAtlagbaSzamitoErtekelesek(tantargyiAtlag.Ertekelesek).OrderBy(e => e.KeszitesDatum).ToList();

            for (int i = 0; i < atlagbaSzamitoErtekelesek.Count; ++i)
            {
                response.Add(new AtlagAlakulasaResponse
                {
                    Atlag = AtlagLogic.GetSubListAtlag(atlagbaSzamitoErtekelesek.Take(i + 1).ToList()).Value,
                    Datum = atlagbaSzamitoErtekelesek[i].KeszitesDatum
                });
            }
            return response;
        }
    }
}