using Rkis29.ViewModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Rkis29.Command;
using Rkis29.Windows;
using System.Collections.ObjectModel;
using System.Windows;

namespace Rkis29.Command
{
    public class TasksCod : BaseViewModel
    {
        private RelayCommand _YourFind;
        private RelayCommand _StatusUpdate;
        private RelayCommand _TakeTask;
        private RelayCommand _HistoryTask;
        private RelayCommand _FreeTask;

        private ObservableCollection<Task> _tasks = new ObservableCollection<Task>();
        private Task _task;
        private int _count = 0;
        private int _count1 = 0;
        private int _count2 = 0;
        private string _YourLogin;


        public RelayCommand YourFind
        {
            get => _YourFind ??
                (_YourFind = new RelayCommand((x) =>
                {
                    _count2++;
                    loferlContext loferlcontext = new loferlContext();
                    Tasks = new ObservableCollection<Task>(loferlcontext.Tasks.Where(p => p.UserCreater.Login == YourLogin));
                    if (_count2 % 2 == 0)
                    {
                        Tasks = new ObservableCollection<Task>(loferlcontext.Tasks);
                    }
                }));
        }

        public RelayCommand FreeTask
        {
            get => _FreeTask ??
                (_FreeTask = new RelayCommand((x) =>
                {
                    _count1++;
                    loferlContext loferlcontext = new loferlContext();
                    Tasks = new ObservableCollection<Task>(loferlcontext.Tasks.Where(p => p.StatusTaskId == 1));
                    if (_count1 % 2 == 0)
                    {
                        Tasks = new ObservableCollection<Task>(loferlcontext.Tasks);
                    }
                }));
        }
        public RelayCommand HistoryTasks
        {
            get => _HistoryTask ??
                (_HistoryTask = new RelayCommand((x) =>
                {
                    _count++;
                    loferlContext loferlcontext = new loferlContext();
                    Tasks = new ObservableCollection<Task>(loferlcontext.Tasks.Where(p => p.StatusTaskId == 3));
                    if (_count % 2 == 0)
                    {
                        Tasks = new ObservableCollection<Task>(loferlcontext.Tasks);
                    }
                }));

        }
        public RelayCommand TakeTask
        {
            get => _TakeTask ??
                (_TakeTask = new RelayCommand((x) =>
                {
                    if (x is Task task)
                    {
                        if (task.StatusTaskId == 1)
                        {
                            task.UserTakerId = User.AutoUser.UsersId;
                            task.StatusTaskId = 2;
                            loferlContext loferlcontext = new loferlContext();
                            loferlcontext.Entry(task).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
                            task.StatusTask = loferlcontext.Statuses.Find(2);
                            loferlcontext.Tasks.Update(task);
                            loferlcontext.SaveChanges();
                            Tasks = new ObservableCollection<Task>(loferlcontext.Tasks);
                        }
                    }
                    else
                    {
                        MessageBox.Show("The task is already taken, choose another one.");
                    }
                }));

        }
        public RelayCommand StatusUpdate
        {

            get => _StatusUpdate ??
                (_StatusUpdate = new RelayCommand((x) =>
                {
                    if (x is Task task)
                    {
                        if (task.UserCreaterId == User.AutoUser.UsersId)
                        {


                            loferlContext loferlcontext = new loferlContext();
                            loferlcontext.Entry(task).State = Microsoft.EntityFrameworkCore.EntityState.Modified;

                            if (task.StatusTaskId == 1)
                            {
                                task.StatusTaskId = 2;
                                task.StatusTask = loferlcontext.Statuses.Find(2);
                                loferlcontext.Tasks.Update(task);
                                loferlcontext.SaveChanges();
                            }
                            else if (task.StatusTaskId == 2)
                            {
                                task.StatusTaskId = 3;
                                task.StatusTask = loferlcontext.Statuses.Find(3);
                                loferlcontext.Tasks.Update(task);
                                loferlcontext.SaveChanges();
                            }
                            else if (task.StatusTaskId == 3)
                            {
                                task.StatusTaskId = 1;
                                task.StatusTask = loferlcontext.Statuses.Find(1);
                                loferlcontext.Tasks.Update(task);
                                loferlcontext.SaveChanges();
                            }
                        }
                        else
                        {
                            MessageBox.Show("You can only change your tasks.");
                        }

                    }
                }

                ));

        }

        public string YourLogin
        {
            get => _YourLogin;
            set
            {
                _YourLogin = value;
                OnPropertyChanged();
            }
        }

        public ObservableCollection<Task> Tasks
        {
            get => _tasks;
            set
            {
                _tasks = value;
                OnPropertyChanged();
            }

        }
        public Task Task
        {
            get => _task;
            set
            {
                _task = value;
                OnPropertyChanged();
            }
        }


        public TasksCod()
        {
            loferlContext loferlcontext = new loferlContext();
            _tasks = new ObservableCollection<Task>(loferlcontext.Tasks);
            _task = new Task();
        }
    }
}