using Microsoft.WindowsAPICodePack.Dialogs;
using System;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;

namespace Phihong_EVSE_UI_Tool
{
    /// <summary>
    /// Maintenance.xaml 的互動邏輯
    /// </summary>
    public partial class MaintenanceUC : UserControl
    {
        private Properties.Settings mySettings = Properties.Settings.Default;
        private string maintainCustomImgPath;
        private string emcCustomImgPath;

        public MaintenanceUC()
        {
            InitializeComponent();

            maintainCustomImgPath = mySettings.MaintainCustomImgPath;
            uxMaintainDefaultRadioButton.IsChecked = mySettings.IsMaintainDefault;
            uxMaintainCustomRadioButton.IsChecked = !mySettings.IsMaintainDefault;
            uxMaintainExploreTextBox.Text = mySettings.MaintainCustomImgPath_org;

            emcCustomImgPath = mySettings.EmcCustomImgPath;
            uxEmcDefaultRadioButton.IsChecked = mySettings.IsEmcDefault;
            uxEmcCustomRadioButton.IsChecked = !mySettings.IsEmcDefault;
            uxEmcExploreTextBox.Text = mySettings.EmcCustomImgPath_org;
        }

        private void uxDefaultRadioButton_Checked(object sender, RoutedEventArgs e)
        {
            Uri srcPath;
            RadioButton rb = e.Source as RadioButton;
            if (rb is null)
            {
                return;
            }

            switch (rb.Tag.ToString())
            {
                case "Maintain":
                    srcPath = new Uri(Path.Combine(Utility.BG_PARENTFOLDER, Utility.BG_MAINTAIN), UriKind.Relative);
                    uxMaintainImage.Source = new BitmapImage(srcPath);
                    Utility.CopyFileFromResource(srcPath, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_MAINTAIN));
                    Utility.ChangedFiles[Utility.BG_MAINTAIN] = true;
                    mySettings.IsMaintainDefault = true;
                    break;
                case "Emc":
                    srcPath = new Uri(Path.Combine(Utility.BG_PARENTFOLDER, Utility.BG_EMERGENCY), UriKind.Relative);
                    uxEmcImage.Source = new BitmapImage(srcPath);
                    Utility.CopyFileFromResource(srcPath, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_EMERGENCY));
                    Utility.ChangedFiles[Utility.BG_EMERGENCY] = true;
                    mySettings.IsEmcDefault = true;
                    break;
                default:
                    return;
            }

            mySettings.Save();
        }

        private void uxCustomRadioButton_Checked(object sender, RoutedEventArgs e)
        {
            RadioButton rb = e.Source as RadioButton;
            if (rb is null)
            {
                return;
            }

            switch (rb.Tag.ToString())
            {
                case "Maintain":
                    if (File.Exists(maintainCustomImgPath))
                    {
                        Utility.LoadImageFromPath(uxMaintainImage, maintainCustomImgPath);
                        File.Copy(maintainCustomImgPath, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_MAINTAIN), true);
                        Utility.ChangedFiles[Utility.BG_MAINTAIN] = true;
                        mySettings.IsMaintainDefault = false;
                    }
                    break;
                case "Emc":
                    if (File.Exists(emcCustomImgPath))
                    {
                        Utility.LoadImageFromPath(uxEmcImage, emcCustomImgPath);
                        File.Copy(emcCustomImgPath, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_EMERGENCY), true);
                        Utility.ChangedFiles[Utility.BG_EMERGENCY] = true;
                        mySettings.IsEmcDefault = false;
                    }
                    break;
                default:
                    return;
            }

            mySettings.Save();
        }

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

            var dlg = new CommonOpenFileDialog()
            {
                EnsureFileExists = true,
                Title = "Select an image file",
            };
            dlg.Filters.Add(new CommonFileDialogFilter("BMP images", "*.bmp"));

            if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
            {
                if (!Utility.IsBackgroundImageSizeQualified(dlg.FileName))
                {
                    MessageBox.Show(dlg.FileName + "\r\n" + "The resolution of the image must be 800x480",
                                    "Incorrect Resolution", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                switch (btn.Tag.ToString())
                {
                    case "Maintain":
                        uxMaintainExploreTextBox.Text = dlg.FileName;
                        maintainCustomImgPath = Path.Combine(Utility.CUSTOM_DIRECTORY, Utility.BG_MAINTAIN);
                        File.Copy(dlg.FileName, maintainCustomImgPath, true);
                        File.Copy(dlg.FileName, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_MAINTAIN), true);
                        Utility.LoadImageFromPath(uxMaintainImage, maintainCustomImgPath);
                        Utility.ChangedFiles[Utility.BG_MAINTAIN] = true;
                        mySettings.IsMaintainDefault = false;
                        mySettings.MaintainCustomImgPath = maintainCustomImgPath;
                        mySettings.MaintainCustomImgPath_org = uxMaintainExploreTextBox.Text;
                        break;
                    case "Emc":
                        uxEmcExploreTextBox.Text = dlg.FileName;
                        emcCustomImgPath = Path.Combine(Utility.CUSTOM_DIRECTORY, Utility.BG_EMERGENCY);
                        File.Copy(dlg.FileName, emcCustomImgPath, true);
                        File.Copy(dlg.FileName, Path.Combine(Utility.OUTPUT_DIRECTORY, Utility.BG_EMERGENCY), true);
                        Utility.LoadImageFromPath(uxEmcImage, emcCustomImgPath);
                        Utility.ChangedFiles[Utility.BG_EMERGENCY] = true;
                        mySettings.IsEmcDefault = false;
                        mySettings.EmcCustomImgPath = emcCustomImgPath;
                        mySettings.EmcCustomImgPath_org = uxEmcExploreTextBox.Text;
                        break;
                    default:
                        break;
                }
            }

            mySettings.Save();
        }
    }
}