using DaSaSo.Domain.Model;
using DaSaSo.Domain.Services;
using DaSaSo.Domain.Services.SewerObjectService;
using DaSaSo.Domain.Services.SewerPointServices;
using DaSaSo.EntityFramework.Services;
using DaSaSo.ViewModel.Commands;
using DaSaSo.ViewModel.Interface;
using Microsoft.Toolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace DaSaSo.ViewModel
{
    public class SewerMainListViewModel : BaseViewModel
    {
        private ISewerMainNavigator Navigator { get; set; }
        private readonly SewerObjectDataService _dataservice;
        private readonly ISewerObjectService _sewerObjectService;
        private readonly IRenavigator _renavigator;
        private IActualProject ActualProject {  get; set; }
        public ICommand UpdateCurrentSewerViewModelCommand { get; }
        public ICommand CloseCommand { get; set; }
        public ICommand SchadenCommand { get; set; }
        public BaseViewModel CurrentSewerViewModel => Navigator.CurrentViewModel;

        public bool CanSelectDamage => Schaden != null;
        public bool IsLoading
        {
            get => _isLoading;
            set
            {
                if (_isLoading != value)
                {
                    _isLoading = value;
                    OnPropertyChanged();
                }
            }
        }
        private SewerDamage _schaden;
        public SewerDamage Schaden
        {
            get => _schaden;
            set
            {
                _schaden = value;
                OnPropertyChanged();
                OnPropertyChanged(nameof(CanSelectDamage));
            }
        }

        public string Strasse { get => ActualProject.AktuellSewerObject.StreetName; }
        public string AktualObject { get => ActualProject.AktuellSewerObject.ObjektName; }

        bool _isLoading = true;
        public bool CanSaveSewer => !string.IsNullOrEmpty(ActualProject.AktuellSewerObject.StreetName);

        public SewerMainListViewModel(
            IDataService<SewerObject> dataService,
            ISewerMainNavigator navigator,
            IActualProject actualProject,
            IViewModelSewerMainFactory viewModelFactory,
            IRenavigator renavigator,
            ISewerObjectService sewerObjectService,
            ISewerpointService sewerpointService
            )
        {
            Navigator = navigator;
            ActualProject = actualProject;
            _dataservice = (SewerObjectDataService)dataService;
            _renavigator = renavigator;
            _sewerObjectService = sewerObjectService;
            CloseCommand = new SaveSewerCommand(_dataservice,ActualProject,_sewerObjectService,_renavigator,Navigator); //RelayCommand(SaveSewer);
            LoadModel();
            UpdateCurrentSewerViewModelCommand = new UpdateCurrentSewerViewModelCommand(Navigator, viewModelFactory);
            Navigator.StateChanged += () => OnPropertyChanged(nameof(CurrentSewerViewModel));
            ActualProject.SewerDamageChanged += ActualProject_SewerDamageChanged;

            //SchadenCommand = UpdateCurrentSewerViewModelCommand.Execute(); // new SelectDamageCommand(this);
        }

        private void ActualProject_SewerDamageChanged(object? sender, EventArgs e)
        {
            Schaden = ActualProject.AktuellSewerDamage;
            OnPropertyChanged(nameof(Schaden));
        }

        private async void LoadModel()
        {
            IsLoading = true;
            SewerObject sewer  = await _dataservice.Get(ActualProject.AktuellSewerObject.Id);
            ActualProject.SetSewerObject(sewer,false);
            IsLoading = false;
        }

        public override void Dispose()
        {
            Navigator.StateChanged -= () => OnPropertyChanged(nameof(CurrentSewerViewModel));
            base.Dispose();
        }
    }
}