using Microsoft.WindowsAPICodePack.Dialogs;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
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;

namespace Phihong_EVSE_UI_Tool
{
    /// <summary>
    /// SaveSdCard.xaml 的互動邏輯
    /// </summary>
    public partial class SaveSdCard : UserControl
    {
        private Properties.Settings mySettings = Properties.Settings.Default;
        private string outputFolderPath;
        private string settingModelName;
        private List<string> toBeSavedFiles = new List<string>();

        public SaveSdCard()
        {
            InitializeComponent();

            outputFolderPath = mySettings.OutputFolderPath;
            uxOutputDirectoryBrowseTextBox.Text = outputFolderPath;
            uxModelNameTestBox.Text = mySettings.ModelName;
        }

        private void SaveToDirectory()
        {
            if (Directory.Exists(Utility.ZIP_SOURCE_DIRECTORY))
            {
                Directory.Delete(Utility.ZIP_SOURCE_DIRECTORY, true);
            }
            if (Directory.Exists(Utility.ZIP_FILE_DIRECTORY))
            {
                Directory.Delete(Utility.ZIP_FILE_DIRECTORY, true);
            }
            Directory.CreateDirectory(Utility.ZIP_SOURCE_DIRECTORY);
            Directory.CreateDirectory(Utility.ZIP_FILE_DIRECTORY);

            if (uxSaveAllRadioButton.IsChecked.Value)
            {
                toBeSavedFiles = new List<string>(Utility.ChangedFiles.Keys);
            }
            else
            {
                toBeSavedFiles = (from p in Utility.ChangedFiles
                                  where p.Value
                                  select p.Key).ToList<string>();
            }

            foreach (string fileName in toBeSavedFiles)
            {
                File.Copy(Path.Combine(Utility.OUTPUT_DIRECTORY, fileName),
                          Path.Combine(Utility.ZIP_SOURCE_DIRECTORY, fileName), true);
            }

            foreach (string resName in Utility.REQ_FILELIST)
            {
                Uri srcPath = new Uri(Path.Combine(Utility.REQ_PARENTFOLDER, resName), UriKind.Relative);
                Utility.CopyFileFromResource(srcPath, Path.Combine(Utility.ZIP_SOURCE_DIRECTORY, resName));
            }

            string modelName = uxModelNameTestBox.Text;
            string zipFileName = string.Format("DWIN_SET_{0}_{1}.zip", modelName, DateTime.Now.ToString("yyyyMMddHHmmss"));
            string temZipPath = Path.Combine(Utility.ZIP_FILE_DIRECTORY, Utility.TEMP_ZIP_FILE_NAME);
            ZipFile.CreateFromDirectory(Utility.ZIP_SOURCE_DIRECTORY, temZipPath, CompressionLevel.Fastest, true);

            string tempHeaderBuildedZipPath = Path.Combine(Utility.ZIP_FILE_DIRECTORY, zipFileName);
            FirmwareHeaderBuilder.AddFirmwareHeader(temZipPath, modelName, tempHeaderBuildedZipPath);
            File.Copy(tempHeaderBuildedZipPath, Path.Combine(outputFolderPath, zipFileName));

            switch (toBeSavedFiles.Count())
            {
                case 0:
                    uxMessageTextBlock.Text = "Archived no image and 11 required files to File";
                    break;
                case 1:
                    uxMessageTextBlock.Text = "Archived 1 image and 11 required files to File";
                    break;
                default:
                    uxMessageTextBlock.Text = "Archived " + toBeSavedFiles.Count() + " images and 11 required files to File";
                    break;
            }

            System.Diagnostics.Process process = new System.Diagnostics.Process();
            process.StartInfo.FileName = outputFolderPath;
            process.Start();
        }

        private void uxBrowseButton_Click(object sender, RoutedEventArgs e)
        {
            Button btn = e.Source as Button;
            if (btn is null)
            {
                return;
            }

            switch (btn.Tag.ToString())
            {
                case "Browse":
                    var dlg = new CommonOpenFileDialog()
                    {
                        IsFolderPicker = true,
                        Title = "Locate the output directory",
                    };
                    if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
                    {
                        outputFolderPath = dlg.FileName;
                        uxOutputDirectoryBrowseTextBox.Text = outputFolderPath;
                        //mySettings.SdCardPath = sdFolderPath;
                        mySettings.OutputFolderPath = outputFolderPath;
                        mySettings.Save();
                    }
                    break;
                case "Save":

                    if (uxModelNameTestBox.Text.Length != 14)
                    {
                        MessageBox.Show("Model Name length shoud be 14",
                                        "Invalid Model Name", MessageBoxButton.OK, MessageBoxImage.Error);
                        break;
                    }
                    mySettings.ModelName = uxModelNameTestBox.Text;
                    mySettings.Save();

                    if (!Directory.Exists(outputFolderPath))
                    {
                        MessageBox.Show("Please locate the output directory first",
                                        "Invalid Path", MessageBoxButton.OK, MessageBoxImage.Error);
                        break;
                    }
                    SaveToDirectory();
                    break;
                default:
                    break;
            }
        }
    }
}