using System;
using System.IO;
using System.Windows;
using System.Windows.Media.Imaging;
using QRCoder;

namespace Paca.App;

public partial class QrCodeDialog : Window
{
    public string PageUrl { get; }
    public string PageTitle { get; }

    public QrCodeDialog(string url, string title)
    {
        InitializeComponent();
        PageUrl = url;
        PageTitle = title;

        PageTitleText.Text = string.IsNullOrWhiteSpace(title) ? url : title;
        UrlDisplayBox.Text = url;

        GenerateQrImage(url);
    }

    private void GenerateQrImage(string url)
    {
        try
        {
            using var generator = new QRCodeGenerator();
            using var data = generator.CreateQrCode(string.IsNullOrWhiteSpace(url) ? " " : url, QRCodeGenerator.ECCLevel.M);
            var qr = new QRCode(data);
            using var bmp = qr.GetGraphic(8);
            using var ms = new MemoryStream();
            bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
            ms.Position = 0;
            var frame = BitmapFrame.Create(ms, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
            frame.Freeze();
            QrImage.Source = frame;
        }
        catch { }
    }

    private void CopyUrlBtn_Click(object sender, RoutedEventArgs e)
    {
        try
        {
            Clipboard.SetText(PageUrl);
            CopyUrlBtn.Content = "복사됨 ✓";
        }
        catch { }
    }

    private void DoneBtn_Click(object sender, RoutedEventArgs e)
    {
        Close();
    }
}