using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.Domain.Services.BuildingsiteServices;
using DaSaSo.EntityFramework.Services;
using DaSaSo.ViewModel.Commands;
using DaSaSo.ViewModel.Interface;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace DaSaSo.ViewModel
{
    public class BuildingsiteListViewModel: BaseViewModel
    {
        public ObservableCollection<Buildingsite> Buildingsites { get; }
        

        private readonly IActualProject _actualProject;
        private readonly IRenavigator _renavigator;
        private readonly BuildingsiteDataService _buildingSiteDataService;
        private Buildingsite? _selectedBuildingsite;

        public Buildingsite? SelectedBuildingsite
        {
            get => _selectedBuildingsite;
            set
            {
                if(_selectedBuildingsite != value)
                {
                    _selectedBuildingsite = value;
                    OnPropertyChanged();
                    OnPropertyChanged(nameof(CanSelectBuildingsite));
                }
            }
        }

        public ICommand SelectCommand { get; set; }
        public ICommand AddCommand { get; set; }
        public ICommand EditCommand { get; set; }
        public bool CanSelectBuildingsite => SelectedBuildingsite != null;

        public BuildingsiteListViewModel(IDataService<Buildingsite> buildingSiteDataService, IActualProject actualProject, IRenavigator renavigator,IBuildingsiteService buildingsiteService)
        {
            _actualProject = actualProject;
            _renavigator = renavigator;
            _buildingSiteDataService = buildingSiteDataService as BuildingsiteDataService;
            Buildingsites = new ObservableCollection<Buildingsite>();
            EditCommand = new EditBuildingsiteCommand(buildingSiteDataService,actualProject,renavigator,buildingsiteService,this);
            SelectCommand = new SelectBuildingsiteCommand(actualProject, this);
            AddCommand = new AddBuildingsiteCommand(buildingSiteDataService, actualProject, buildingsiteService,renavigator);
            LoadBuildingsites();
        }

        private async void LoadBuildingsites()
        {
            var buildingsites = await _buildingSiteDataService.GetAllByProjekt(_actualProject.AktuellProjekt);
            InitCollection(Buildingsites, buildingsites);
        }

        private void InitCollection(ObservableCollection<Buildingsite> target, IEnumerable<Buildingsite> source)
        {
            target.Clear();
            foreach (var i in source)
                target.Add(i);
        }
    }
}