using Microsoft.Win32;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
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;
using Tango.Pulse;

namespace Tango.TwnTester.UI
{
    public static class ExtensionMethods
    {
        /// <summary>
        /// Creates a new BitmapImage from the byte array.
        /// </summary>
        /// <param name="data">The image data.</param>
        /// <returns></returns>
        public static BitmapImage ToBitmapImage(this byte[] data)
        {
            if (data == null || data.Length == 0) return null;
            var image = new BitmapImage();
            using (var mem = new MemoryStream(data))
            {
                mem.Position = 0;
                image.BeginInit();
                image.CreateOptions = BitmapCreateOptions.PreservePixelFormat;
                image.CacheOption = BitmapCacheOption.OnLoad;
                image.UriSource = null;
                image.StreamSource = mem;
                image.EndInit();
            }
            image.Freeze();
            return image;
        }
    }

    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private class ContractResolver : DefaultContractResolver
        {
            protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
            {
                var prop = base.CreateProperty(member, memberSerialization);

                prop.ShouldSerialize = (x) =>
                {
                    return
                    prop.PropertyName != "Thumbnail" &&
                    prop.PropertyName != "ThumbnailData" &&
                    prop.PropertyName != "Color" &&
                    prop.PropertyName != "EmbroideryFile";
                };

                return prop;
            }
        }

        public TwnFile TwnFile
        {
            get { return (TwnFile)GetValue(TwnFileProperty); }
            set { SetValue(TwnFileProperty, value); }
        }
        public static readonly DependencyProperty TwnFileProperty =
            DependencyProperty.Register("TwnFile", typeof(TwnFile), typeof(MainWindow), new PropertyMetadata(null));

        public MainWindow()
        {
            InitializeComponent();
        }

        private void menuOpen_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Filter = "Twine Embroidery File|*.twn";
            if (dlg.ShowDialog().Value)
            {
                Init(dlg.FileName);
            }
        }

        private void Init(String fileName)
        {
            try
            {
                TwnFile = TwnFile.FromFile(fileName);
                txtContent.Text = JsonConvert.SerializeObject(TwnFile, Formatting.Indented, new JsonSerializerSettings()
                {
                    ContractResolver = new ContractResolver(),
                    Formatting = Formatting.Indented,
                });

                var bitmap = TwnFile.ThumbnailData.ToBitmapImage();
                imgThumbnail.Source = bitmap;
                txtThumbnailResolution.Text = bitmap.PixelWidth + "x" + bitmap.PixelHeight;

                menuExport.IsEnabled = true;
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Error loading the specified file.\n{ex.Message}");
            }
        }

        private void menuExportEmbroideryFile_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog dlg = new SaveFileDialog();
            dlg.Title = "Export Embroidery File";
            dlg.Filter = $"Embroidery Files|*.{TwnFile.EmbroideryFileFormat.ToLower()}";
            dlg.FileName = TwnFile.Name;
            dlg.DefaultExt = "." + TwnFile.EmbroideryFileFormat.ToLower();
            if (dlg.ShowDialog().Value)
            {
                File.WriteAllBytes(dlg.FileName, TwnFile.EmbroideryFile);
            }
        }

        private void menuExportThumbnailImage_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog dlg = new SaveFileDialog();
            dlg.Title = "Export Thumbnail Image";
            dlg.Filter = $"Image Files|*.png";
            dlg.FileName = TwnFile.Name;
            dlg.DefaultExt = ".png";
            if (dlg.ShowDialog().Value)
            {
                File.WriteAllBytes(dlg.FileName, TwnFile.ThumbnailData);
            }
        }
    }
}