using ApplicationServices;
using DataLayer;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace LibationWinForms;

public partial class Form1
{
	private void Configure_Liberate() { }

	//GetLibrary_Flat_NoTracking() may take a long time on a hugh library. so run in new thread 
	private async void beginBookBackupsToolStripMenuItem_Click(object? _ = null, EventArgs? __ = null)
	{
		var library = await Task.Run(DbContexts.GetUnliberated_Flat_NoTracking);
		BackupAllBooks(library);
	}

	private void BackupAllBooks(IEnumerable<LibraryBook> books)
	{
		try
		{
			var unliberated = books.UnLiberated().ToArray();
			Invoke(() =>
			{
				if (processBookQueue1.ViewModel.QueueDownloadDecrypt(unliberated))
					SetQueueCollapseState(false);
			});
		}
		catch (Exception ex)
		{
			Serilog.Log.Logger.Error(ex, "An error occurred while backing up all library books");
		}
	}

	private async void beginPdfBackupsToolStripMenuItem_Click(object sender, EventArgs e)
	{
		if (processBookQueue1.ViewModel.QueueDownloadPdf(await Task.Run(() => ApplicationServices.DbContexts.GetLibrary_Flat_NoTracking())))
			SetQueueCollapseState(false);
	}

	private async void convertAllM4bToMp3ToolStripMenuItem_Click(object sender, EventArgs e)
	{
		var result = MessageBox.Show(
			"This converts all m4b titles in your library to mp3 files. Original files are not deleted."
			+ "\r\nFor large libraries this will take a long time and will take up more disk space."
			+ "\r\n\r\nContinue?"
			+ "\r\n\r\n(To always download titles as mp3 instead of m4b, go to Settings: Download my books as .MP3 files)",
			"Convert all M4b => Mp3?",
			MessageBoxButtons.YesNo,
			MessageBoxIcon.Warning);
		if (result == DialogResult.Yes && processBookQueue1.ViewModel.QueueConvertToMp3(await Task.Run(() => ApplicationServices.DbContexts.GetLibrary_Flat_NoTracking())))
			SetQueueCollapseState(false);
	}
}