using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using Avalonia.Controls;
using AvaloniaApplication14_Inventory_300326.Models.DataBase;
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.Enums;
using Tmds.DBus.Protocol;

namespace AvaloniaApplication14_Inventory_300326.ViewModels;

public partial class EmployeeEditingWindowViewModel : ViewModelBase
{
    private EmployeeEditingWindow _currentWindow;
    private IServiceProvider _serviceProvider;
    private bool _isEditing;
    private Employee _employee;
    
    [ObservableProperty] private string _fullName;
    [ObservableProperty] private ObservableCollection<Position> _positions;
    [ObservableProperty] private Position _selectedPosition;

    [RelayCommand]
    private void Cancel()
    {
        _currentWindow.Close();
    }
    
    [RelayCommand]
    private async Task Fire()
    {
        List<Equipment> temp = null;
        using (var repo = _serviceProvider.GetService<EquipmentRepository>())
        {
            temp = repo.DoesEmployeeHaveEquipments(_employee.Id);
        }

        if (temp != null)
        {
            if (temp.Count > 0)
            {
                string errorMessage = "За выбранным сотрудником числится следующие вещи: \n";
                foreach (var item in temp)
                {
                    errorMessage += $"{item.Name} \n";
                }
                var win = MessageBoxManager.GetMessageBoxStandard("Ошибка", errorMessage, ButtonEnum.Ok, Icon.Error);
                await win.ShowWindowDialogAsync(_currentWindow);
            }
        }
    }
    
    [RelayCommand]
    private async Task Confirm()
    {
        bool allow = true;
        if (string.IsNullOrEmpty(FullName))
        {
            var win = MessageBoxManager.GetMessageBoxStandard("Ошибка", "Имя работника пустое", ButtonEnum.Ok,
                Icon.Error, null, WindowStartupLocation.CenterOwner);
            await win.ShowWindowDialogAsync(_currentWindow);
            allow = false;
        }

        if (allow)
        {
            _employee.FullName = FullName;
            _employee.PositionId = SelectedPosition.Id;
            using (var repo = _serviceProvider.GetService<EmployeeRepository>())
            {
                if (_isEditing)
                {
                    repo.Update(_employee);
                }
                else
                {
                    repo.Add(_employee);
                }
            }
            _currentWindow.Close();
        }
    }

    public EmployeeEditingWindowViewModel(IServiceProvider serviceProvider, Employee employee)
    {
        _isEditing=!employee.IsNew();
        _serviceProvider = serviceProvider;
        _employee = employee;
        using (var repo = _serviceProvider.GetService<PositionRepository>())
        {
            Positions = new ObservableCollection<Position>(repo.GetAll());
        }
        if (_isEditing)
        {
            FullName = employee.FullName;
            SelectedPosition = Positions.FirstOrDefault(p => p.Id == employee.PositionId);
        }
        else
        {
            SelectedPosition = Positions[0];
        }
    }

    
    public void SetScreen(EmployeeEditingWindow window)
    {
        _currentWindow = window;
        _currentWindow.ConfirmButton.Content = _isEditing ? "Изменить" : "Добавить";
        if (_isEditing)
        {
            
        }
    }
}