using DataLayer;
using Dinah.Core;
using LibationFileManager;
using LibationUiBase;
using System;
using System.IO;
using System.Threading;
using System.Windows.Forms;

namespace LibationWinForms.Dialogs;

public partial class LocateAudiobooksDialog : Form
{
	private readonly CancellationTokenSource tokenSource = new();
	private readonly LocatedAudiobooksViewModel _viewModel;
	public LocateAudiobooksDialog()
	{
		InitializeComponent();

		this.SetLibationIcon();
		this.RestoreSizeAndLocation(Configuration.Instance);

		_viewModel = new LocatedAudiobooksViewModel(new SortBindingList<FoundAudiobook>());
		dataGridView1.EnableHeadersVisualStyles = !Application.IsDarkModeEnabled;
		dataGridView1.RowsAdded += DataGridView1_RowsAdded;
		foundAudiobookBindingSource.DataSource = _viewModel.FoundFiles;
		booksFoundLbl.DataBindings.Add(new Binding(nameof(booksFoundLbl.Text), _viewModel, nameof(_viewModel.FoundAsinCount), true, DataSourceUpdateMode.OnPropertyChanged, 0, booksFoundLbl.Text));
	}

	private void DataGridView1_RowsAdded(object? sender, DataGridViewRowsAddedEventArgs e)
	{
		dataGridView1.FirstDisplayedScrollingRowIndex = e.RowIndex;
	}

	private void LocateAudiobooks_FormClosing(object sender, FormClosingEventArgs e)
	{
		tokenSource.Cancel();
		this.SaveSizeAndLocation(Configuration.Instance);
	}

	private async void LocateAudiobooks_Shown(object sender, EventArgs e)
	{
		var fbd = new FolderBrowserDialog
		{
			Description = "Select the folder to search for audiobooks",
			UseDescriptionForTitle = true,
			InitialDirectory = Configuration.Instance.Books?.Path ?? string.Empty
		};

		var result = fbd.ShowDialog(this);
		if (result != DialogResult.OK || !Directory.Exists(fbd.SelectedPath))
		{
			DialogResult = result;
		}
		else
		{
			await _viewModel.FindAndAddBooksAsync(fbd.SelectedPath, tokenSource.Token);
			MessageBox.Show(this, $"Libation has found {_viewModel.FoundAsinCount} unique audiobooks and added them to its database. ", $"Found {_viewModel.FoundAsinCount} Audiobooks");
		}
	}

	private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
	{
		if (e.RowIndex >= 0 && e.RowIndex < _viewModel.FoundFiles.Count)
			Go.To.File(_viewModel.FoundFiles[e.RowIndex].Entry.Path);
	}
}