using KanSan.Base;
using KanSan.Base.Interfaces;
using KanSan.Base.Interfaces.UI;
using KanSan.Base.Models;
using KanSan.ViewModel.Commands;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Windows.Input;

namespace KanSan.ViewModel
{
    public class ObjekteTransfer
    {
        public string Strassename { get; set; }
        public IEnumerable<Sewer> Objekte { get; set; }
    }
    public class ObjekteListViewModel : BaseViewModel
    {
        private ICommand _objektSelected;
        public ICommand ObjektSelected {
            get
            {
                return _objektSelected ?? (_objektSelected = new RelayCommand(x =>
                {
                    Mediator.Notify("GoTo1Screen", "");
                }));
            }
            
        }

        IUnitOfWork unitOfWork = new UnitOfWork(new KanSanContext());

        List<ObjekteTransfer> kanalObjekte = new List<ObjekteTransfer>();
        private Baustelle selectedBaustelle;
        public List<ObjekteTransfer> KanalObjekte => kanalObjekte;


        public ObjekteListViewModel(Baustelle selectedBaustelle)
        {
            this.selectedBaustelle = selectedBaustelle;
            //
            List<Sewer> list = unitOfWork.KanaeleRepository.Get(x => x.Baustelle.Equals(selectedBaustelle),includeProperties:"PunktOben,PunktUnten").ToList();
           
            
            var x = list.GroupBy(x => x.StrasseName).Select(x => new ObjekteTransfer
            {
                Strassename = x.Key,
                Objekte = x
            }).ToList();
            kanalObjekte = x;

            //ObjektSelected = new RelayCommand(SelectObjekt);

            //kanalObjekte = unitOfWork.KanaeleRepository.Get(x => x.Baustelle.Equals(selectedBaustelle)).ToList();
        }

        private void SelectObjekt(object obj)
        {
            
            //Debugger.Break();
            if (!(obj is Sewer)) return;
            Sewer sewer = (Sewer)obj;
            if (sewer == null) return;
           
            //MainWindowViewModel.SelectedObjekt = sewer;
            /*SewerMainWindowViewModel t = new SewerMainWindowViewModel(sewer);
            Debugger.Break();
            //throw new NotImplementedException();
            */
        }

        public Sewer NeueObjektHinzufügen()
        {
            Guid guid = Guid.NewGuid();
            Sewer sewer = new Sewer()
            {
                Baustelle = selectedBaustelle,
                GuidNr = guid
            };

            unitOfWork.KanaeleRepository.Update(sewer);
            unitOfWork.Commit();

            List<Sewer> t = unitOfWork.KanaeleRepository.Get(x => x.GuidNr.Equals(guid)).ToList();
            if(t.Count < 1) throw new Exception("Der zuvor eingefügte Objekt konnte nicht in der Datenbank gefunden werden");
            return t.First();
        }
    }
}