using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using AvaloniaApplication14_Inventory_300326.Models.DataBase;
using AvaloniaApplication14_Inventory_300326.Models.Factories;
using AvaloniaApplication14_Inventory_300326.Models.Factoryes;
using AvaloniaApplication14_Inventory_300326.Models.Models;
using AvaloniaApplication14_Inventory_300326.Views;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.Extensions.DependencyInjection;
using MsBox.Avalonia;
using MsBox.Avalonia.Dto;
using MsBox.Avalonia.Enums;

namespace AvaloniaApplication14_Inventory_300326.ViewModels;

public partial class MainWindowViewModel : ViewModelBase
{
    private MainWindow _currentWindow;
    private IServiceProvider _serviceProvider;
    
    [ObservableProperty] private EquipmentViewModel _equipmentViewModel;
    [ObservableProperty] private EmployeesViewModel _employeesViewModel;
    [ObservableProperty] private PositionViewModel _positionViewModel;
    
    [ObservableProperty] private ObservableCollection<Entity> _entities;
    [ObservableProperty] private Entity _selectedEntity;

    [RelayCommand]
    private async Task Fire()
    {
        EmployeesViewModel.Fire();
    }
    

    [RelayCommand]
    private async Task AddEntity()
    {
        switch (SelectedEntity.Id)
        {
            case 0:
                
                var equipment = new Equipment();
                var equipmentVm = ActivatorUtilities.CreateInstance<EquipmentEditingWindowViewModel>(_serviceProvider, equipment);
                var equipmentWin = ActivatorUtilities.CreateInstance<EquipmentEditingWindow>(_serviceProvider, equipmentVm);
                await equipmentWin.ShowDialog(_currentWindow);
                
                EquipmentViewModel.ShowTeches();
                EquipmentViewModel.GetTeches();
                
                break;
            case 1:
                
                var employee = new Employee();
                var employeeVm = ActivatorUtilities.CreateInstance<EmployeeEditingWindowViewModel>(_serviceProvider, employee);
                var employeeWin = ActivatorUtilities.CreateInstance<EmployeeEditingWindow>(_serviceProvider, employeeVm);
                await employeeWin.ShowDialog(_currentWindow);
                
                EmployeesViewModel.ShowEmployees();
                EmployeesViewModel.GetEmployees();
                
                break;
            case 2:
                
                var position = new Position();
                var positionVm = ActivatorUtilities.CreateInstance<PositionEditingWindowViewModel>(_serviceProvider, position);
                var positionWin = ActivatorUtilities.CreateInstance<PositionEditingWindow>(_serviceProvider, positionVm);
                await positionWin.ShowDialog(_currentWindow);
                
                PositionViewModel.ShowPositions();
                PositionViewModel.GetPositions();
                
                break;
        }
    }
    
    partial void OnSelectedEntityChanged(Entity value)
    {
        if (_currentWindow != null)
        {
            switch (value.Id)
            {
                case 0:
                    
                    EquipmentViewModel.GetTeches();
                    
                    EquipmentViewModel.ShowTeches();
                    
                    break;
                case 1:

                    EmployeesViewModel.GetEmployees();
                    
                    EmployeesViewModel.ShowEmployees();
                    
                    break;
                case 2:
                    
                    PositionViewModel.GetPositions();
                    
                    PositionViewModel.ShowPositions();
                    
                    break;
            }
        }
    }

    
    //###################################################################################################################
    
    public MainWindowViewModel(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
        
        Entities = new();
        
        Entities.Add(new Entity(){Id = 0, Name = "Техника"});
        Entities.Add(new Entity(){Id = 1, Name = "Сотрудники"});
        Entities.Add(new Entity(){Id = 2, Name = "Должности"});

        SelectedEntity = Entities[0];
        
        EquipmentViewModel = _serviceProvider.GetService<EquipmentViewModel>();
        EmployeesViewModel = _serviceProvider.GetService<EmployeesViewModel>();
        PositionViewModel = _serviceProvider.GetService<PositionViewModel>();
    }
    
    //###################################################################################################################

    public void SetScreen(MainWindow window)
    {
        _currentWindow = window;
        EquipmentViewModel.SetScreen(_currentWindow);
        EmployeesViewModel.SetScreen(_currentWindow);
        PositionViewModel.SetScreen(_currentWindow);
        EquipmentViewModel.ShowTeches();
        INIT();
    }

    private void INIT()
    {
        _currentWindow.DataGridTech.DoubleTapped += (sender, args) => EquipmentViewModel.DoubleTappedTechDataGrid();
        _currentWindow.DataGridEmployees.DoubleTapped += (sender, args) => EmployeesViewModel.DoubleTappedEmployeeDataGrid();
        _currentWindow.DataGridPositions.DoubleTapped += (sender, args) => PositionViewModel.DoubleTappedPositionDataGrid();
    }
}