OutputViewModel

using QuanLyKho.Model;
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 QuanLyKho.ViewModel
{
    class OutputViewModel:BaseViewModel
    {
        private ObservableCollection<OutputInfo> _List;
        public ObservableCollection<OutputInfo> List { get => _List; set { _List = value; OnPropertyChanged(); } }
        private ObservableCollection<Output> _Output;
        public ObservableCollection<Output> Output { get => _Output; set { _Output = value; OnPropertyChanged(); } }
        private ObservableCollection<Customer> _Customer;
        public ObservableCollection<Customer> Customer { get => _Customer; set { _Customer = value; OnPropertyChanged(); } }
        private ObservableCollection<InputInfo> _InputInfo;
        public ObservableCollection<InputInfo> InputInfo { get => _InputInfo; set { _InputInfo = value; OnPropertyChanged(); } }
        private ObservableCollection<Model.Object> _Object;
        public ObservableCollection<Model.Object> Object { get => _Object; set { _Object = value; OnPropertyChanged(); } }
        private OutputInfo _SelectedItem;
        public OutputInfo SelectedItem
        {
            get => _SelectedItem;
            set
            {
                _SelectedItem = value; OnPropertyChanged();
                if (SelectedItem != null)
                {
                    SelectedObject = SelectedItem.Object;
                    DateOutput = SelectedItem.Output.DateOutput;
                    Count = SelectedItem.Count;
                    SelectecInputInfo = SelectedItem.InputInfo;
                    SelectedOutput = SelectedItem.Output;
                    SelectecCustomer = SelectedItem.Customer;
                    Status = SelectedItem.Status;

                }
            }
        }

        private Model.InputInfo _SelectecInputInfo;
        public Model.InputInfo SelectecInputInfo
        {
            get => _SelectecInputInfo;
            set
            {
                _SelectecInputInfo = value;
                OnPropertyChanged();

            }
        }

        private Model.Customer _SelectecCustomer;
        public Model.Customer SelectecCustomer
        {
            get => _SelectecCustomer;
            set
            {
                _SelectecCustomer = value;
                OnPropertyChanged();

            }
        }

        private Model.Object _SelectedObject;
        public Model.Object SelectedObject
        {
            get => _SelectedObject;
            set
            {
                _SelectedObject = value;
                OnPropertyChanged();

            }
        }

        private Model.Output _SelectedOutput;
        public Model.Output SelectedOutput
        {
            get => _SelectedOutput;
            set
            {
                _SelectedOutput = value;
                OnPropertyChanged();

            }
        }
        private int? _Count;
        public int? Count { get => _Count; set { _Count = value; OnPropertyChanged(); } }


        private string _Status;
        public string Status { get => _Status; set { _Status = value; OnPropertyChanged(); } }
        private DateTime? _DateOutput;
        public DateTime? DateOutput { get => _DateOutput; set { _DateOutput = value; OnPropertyChanged(); } }

        public ICommand AddCommand { get; set; }
        public ICommand EditCommand { get; set; }
        public ICommand DeleteCommand { get; set; }

        public OutputViewModel()
        {
            List = new ObservableCollection<OutputInfo>(DataProvider.Ins.db.OutputInfoes);
            Output = new ObservableCollection<Output>(DataProvider.Ins.db.Outputs);
            Object = new ObservableCollection<Model.Object>(DataProvider.Ins.db.Objects);
            InputInfo = new ObservableCollection<InputInfo>(DataProvider.Ins.db.InputInfoes);
            Customer = new ObservableCollection<Customer>(DataProvider.Ins.db.Customers);

            AddCommand = new RelayCommand<object>((p) =>
            {
                if (SelectedObject == null || SelectecCustomer == null)
                    return false;

                return true;
            }, (p) =>
            {
                if (DateOutput != null)
                {
                    var outputList = DataProvider.Ins.db.Outputs.Where(x => x.DateOutput == DateOutput);
                    if (outputList != null && outputList.Count() != 0)
                    {

                        var OutputInfo = new OutputInfo() { Id = Guid.NewGuid().ToString() };
                        DataProvider.Ins.db.OutputInfoes.Add(OutputInfo);
                        DataProvider.Ins.db.SaveChanges();
                        List.Add(OutputInfo);
                    }
                    else
                    {
                        var Outp = new Output() { Id = Guid.NewGuid().ToString(), DateOutput = DateOutput };
                        DataProvider.Ins.db.Outputs.Add(Outp);
                        DataProvider.Ins.db.SaveChanges();
                        var OutputInfo = new OutputInfo() {  Id = Guid.NewGuid().ToString() };
                        DataProvider.Ins.db.OutputInfoes.Add(OutputInfo);
                        DataProvider.Ins.db.SaveChanges();
                        List.Add(OutputInfo);
                    }
                }
                else
                {
                    var Outp = new Output() { Id = Guid.NewGuid().ToString(), DateOutput = DateTime.Now };
                    DataProvider.Ins.db.Outputs.Add(Outp);
                    DataProvider.Ins.db.SaveChanges();
                    var OutputInfo = new OutputInfo() {  Id = Guid.NewGuid().ToString() };
                    DataProvider.Ins.db.OutputInfoes.Add(OutputInfo);
                    DataProvider.Ins.db.SaveChanges();
                    List.Add(OutputInfo);
                }
            });

            EditCommand = new RelayCommand<object>((p) =>
            {
                if (SelectedItem == null || SelectedObject == null || DateOutput == null)
                    return false;
                var displayList = DataProvider.Ins.db.OutputInfoes.Where(x => x.Id == SelectedItem.Id);
                if (displayList != null && displayList.Count() != 0)
                {
                    return true;
                }
                return false;
            }, (p) =>
            {
                var outputList = DataProvider.Ins.db.Outputs.Where(x => x.DateOutput == DateOutput);
                if (outputList.Count() == 0)
                {
                    var Outp = new Output() { Id = Guid.NewGuid().ToString(), DateOutput = DateOutput };
                    DataProvider.Ins.db.Outputs.Add(Outp);
                    DataProvider.Ins.db.SaveChanges();
                    var OutputInfoes = DataProvider.Ins.db.OutputInfoes.Where(x => x.Id == SelectedItem.Id).SingleOrDefault();
                    var Inputs = DataProvider.Ins.db.Outputs.Where(x => x.DateOutput == DateOutput).SingleOrDefault();


                    DataProvider.Ins.db.SaveChanges();
                }
                else
                {
                    var OutputInfoes = DataProvider.Ins.db.OutputInfoes.Where(x => x.Id == SelectedItem.Id).SingleOrDefault();
                    var Outputs = DataProvider.Ins.db.Outputs.Where(x => x.DateOutput == DateOutput).SingleOrDefault();


                    DataProvider.Ins.db.SaveChanges();
                }
            });
        }
    }
}