using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using Agent.Views;
using log4net;
using Quartz;

namespace Agent
{
    /// <summary>
    /// MainWindow.xaml에 대한 상호 작용 논리
    /// </summary>
    public partial class MainWindow : Window, IJobListener
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(MainWindow));

        private readonly SolidColorBrush _activeButtonColor = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#00B0F0"));

        string IJobListener.Name => "MainWindowJobListener";

        public MainWindow()
        {
            InitializeComponent();

            MainFrame.NavigationService.Navigated += NavigationService_Navigated;

            MainFrame.Source = new Uri("DashboardPage.xaml", UriKind.Relative);

            UpdateName();
            UpdateStatus();
        }

        private void NavigationService_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
            MainFrame.NavigationService.RemoveBackEntry();
        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            Hide();
            InactiveButtons();
            DashboardButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("DashboardPage.xaml", UriKind.Relative);
            e.Cancel = true;
        }

        private void DashboardButton_Click(object sender, RoutedEventArgs e)
        {
            InactiveButtons();
            DashboardButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("DashboardPage.xaml", UriKind.Relative);
        }

        private void PolicyButton_Click(object sender, RoutedEventArgs e)
        {
            ActivePolicyMenu();
        }

        private void RestoreButton_Click(object sender, RoutedEventArgs e)
        {
            InactiveButtons();
            RestoreButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("RestorePage.xaml", UriKind.Relative);
        }

        private void ReportButton_Click(object sender, RoutedEventArgs e)
        {
            ActiveReportMenu();
        }

        private void SettingButton_Click(object sender, RoutedEventArgs e)
        {
            InactiveButtons();
            SettingButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("SettingPage.xaml", UriKind.Relative);
        }

        public void UpdateStatus()
        {
            if (!"OK".Equals(Application.Current.Properties["db_status"]))
            {
                SetTitleInactive();

                return;
            }

            SetTitleActive();
        }

        public void UpdateName()
        {
            var userName = Application.Current.Properties["user_name"];
            if (!NameLabel.Content.Equals(userName))
            {
                NameLabel.Content = userName;
            }
        }

        public void SetTitleActive()
        {
            var image = new BitmapImage();
            image.BeginInit();
            image.UriSource = new Uri("/Resources/check.png", UriKind.Relative);
            image.EndInit();
            StatusImage.Source = image;

            StatusLabel.Content = "DI 에이전트가 정상 동작 중입니다.";
        }

        public void SetTitleInactive()
        {
            var image = new BitmapImage();
            image.BeginInit();
            image.UriSource = new Uri("/Resources/close.png", UriKind.Relative);
            image.EndInit();
            StatusImage.Source = image;

            StatusLabel.Content = "DI 에이전트가 서버와의 연결을 실패하였습니다.";
        }

        private void InactiveButtons()
        {
            DashboardButton.Background = null;
            PolicyButton.Background = null;
            RestoreButton.Background = null;
            ReportButton.Background = null;
            SettingButton.Background = null;
        }

        public void ActivePolicyMenu()
        {
            InactiveButtons();
            PolicyButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("PolicyPage.xaml", UriKind.Relative);
        }

        public void ActiveReportMenu()
        {
            InactiveButtons();
            ReportButton.Background = _activeButtonColor;
            MainFrame.Source = new Uri("ReportPage.xaml", UriKind.Relative);
        }

        void IJobListener.JobToBeExecuted(IJobExecutionContext context)
        {
        }

        void IJobListener.JobExecutionVetoed(IJobExecutionContext context)
        {
        }

        void IJobListener.JobWasExecuted(IJobExecutionContext context, JobExecutionException jobException)
        {
            Dispatcher.BeginInvoke(DispatcherPriority.Normal
                , new Action(delegate
                {
                    UpdateStatus();

                    if ((MainFrame.Content is DashboardPage dashboardPage))
                    {
                        dashboardPage.LoadStatus();
                    }
                }));
        }
    }
}