using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Txt2Bib
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            DropArea.AllowDrop = true;
        }

        private void DropArea_Drop(object sender, DragEventArgs e)
        {
            // Get data object
            var dataObject = e.Data as DataObject;

            if (dataObject == null )
            {
                MessageBox.Show("Nessun percorso disponibile...");
                return;
            }

            // Check for file list
            if (dataObject.ContainsFileDropList())
            {
                // Clear values
                DropArea.Text = string.Empty;

                // Process file names
                var fileNames = dataObject.GetFileDropList();
                StringBuilder bd = new StringBuilder();
                foreach (var fileName in fileNames)
                {
                    bd.Append(fileName + "\n");
                }
                // Set text
                DropArea.Text = bd.ToString();
            }
        }

        private void DropArea_PreviewDragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
            {
                e.Effects = DragDropEffects.Copy;
            }
            else
            {
                e.Effects = DragDropEffects.None;
            }
        }

        private void DropArea_PreviewDragOver(object sender, DragEventArgs e)
        {
            e.Handled = true;
        }

        private void GoBtn_Click(object sender, RoutedEventArgs e)
        {
            var txt2bib = new Text2Bib();
            Debug.Text = txt2bib.Generate(DropArea.Text);
        }

        private void CopyDebug_Click(object sender, RoutedEventArgs e)
        {
            Debug.SelectAll();
            Debug.Copy();
        }
    }
}