using System.Collections.ObjectModel;
using System.Windows;
using System.Windows.Media;
using TestDataGrid.Presentation;

namespace TestDataGrid;

public class MainWindowViewModel : ViewModelBase
{
    public DelegateCommand ButtonCommand { get; set; }

    public ObservableCollection<DataGridItemViewModel> DataGridItemsSource
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    } = [];

    public string IsExpandedDataGridCheckBoxContent
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    }

    public bool IsExpandedDataGridCheckBoxIsChecked
    {
        get;
        set
        {
            if (field == value) return;
            IsExpandedDataGridCheckBoxContent = field ? "Развернуть всё" : "Свернуть всё";
            field = value;
            RaisePropertyChanged();
        }
    }

    public SolidColorBrush ColorTopHeader
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    } = new(Colors.BurlyWood);

    public SolidColorBrush ColorTextTopHeader
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    } = new(Colors.Black);

    public SolidColorBrush ColorBottomHeader
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    } = new(Colors.Aqua);

    public SolidColorBrush ColorTextBottomHeader
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    } = new(Colors.Blue);

    public bool DataGridCheckBoxColumnIsChecked
    {
        get;
        set
        {
            field = value;
            foreach (var item in DataGridItemsSource) item.Select = field;
            RaisePropertyChanged();
        }
    }

    public string CountRowTextBoxText
    {
        get;
        set
        {
            field = value;
            RaisePropertyChanged();
        }
    }

    internal MainWindowViewModel()
    {
        ButtonCommand = new DelegateCommand(ButtonCommandExecute);
        CountRowTextBoxText = "1000";
        IsExpandedDataGridCheckBoxIsChecked = true;
    }

    private async void ButtonCommandExecute(object param)
    {
        switch (param.ToString())
        {
            case "Generate":
            {
                var status = int.TryParse(CountRowTextBoxText, out var countRows);

                if (!status)
                {
                    MessageBox.Show("Corrupted number!", "Error!", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                var orderNumbers = new List<int>();
                var items = new List<DataGridItemViewModel>();
                var ordinal = 0;

                for (var i = 0; i < countRows; i++)
                {
                    while (true)
                    {
                        var random = new Random();
                        var orderNumber = random.Next(1, 10000);
                        if (orderNumbers.Contains(orderNumber)) continue;
                        orderNumbers.Add(orderNumber);
                        break;
                    }

                    for (var j = 0; j < 5; j++)
                    {
                        var item = new DataGridItemViewModel()
                        {
                            Select = false,
                            Ordinal = ++ordinal,
                            OrdinalView = ordinal.ToString(),
                            UserId = "007",
                            UserName = "James Bond",
                            OrderDataView = $"Order - {orderNumbers[i].ToString()}/{DateTime.Now.Year.ToString()}| {DateTime.Now.Date:MM-dd-yyyy} | Customer \"Peaky Blinders\" | Owner \"Jay & Silent Bob\"",
                            ManufacturerLogo = null,
                            Owner = "Jay & Silent Bob",
                            OwnerIsChecked = true,
                            CityOwner = "New york",
                            NumOfRecord ="905486t9045",
                            Certificate = "123/983-JQPS/TW176",
                            StateRegister = "654634-17",
                            Modification = "1YANKLS",
                            FactoryId = "OJKLN4950",
                            YearProduction = "2022",
                            YearProductionIsChecked = true,
                            DateVerifi = DateTime.Now.AddYears(-2).ToString("MM-dd-yyyy"),
                            ValidUntil = DateTime.Now.AddYears(2).ToString("MM-dd-yyyy"),
                            VerificationInterval = "4 years",
                            Category = "Rumpelstiltskin",
                            TypeVerifiView = "Periodical",
                            WorkStatus = 5,
                            WorkStatusView = "Succeed",
                            StatusCheckBoxIsChecked = true,
                            StatusCheckBoxContent = "All Ok",
                            Comment = "All operations have been completed successfully"
                        };

                        items.Add(item);
                    }
                }

                //DataGridItemsSource.Clear();
                //await foreach (var item in items.ToAsyncEnumerable()) DataGridItemsSource.Add(item);

                var window = (MainWindow)Application.Current.MainWindow;
                window.RefreshFromTopAndRestorePosition(() =>
                {
                    DataGridItemsSource.Clear();
                    foreach (var item in items)
                    {
                        DataGridItemsSource.Add(item);
                    }
                });
                break;
            }
        }
    }
}