using MahApps.Metro.Controls;
using System;
using System.Drawing;
using System.Windows;

namespace Plane.Windows.Messages
{
    internal partial class AlertWindow : MetroWindow
    {
        internal string Caption
        {
            get
            {
                return Title;
            }
            set
            {
                Title = value;
            }
        }

        internal string Message
        {
            get
            {
                return TextBlock_Message.Text;
            }
            set
            {
                TextBlock_Message.Text = value;
            }
        }

        internal string OkButtonText
        {
            get
            {
                return Label_Ok.Content.ToString();
            }
            set
            {
                Label_Ok.Content = value.TryAddKeyboardAccellerator();
            }
        }

        internal string CancelButtonText
        {
            get
            {
                return Label_Cancel.Content.ToString();
            }
            set
            {
                Label_Cancel.Content = value.TryAddKeyboardAccellerator();
            }
        }

        internal string YesButtonText
        {
            get
            {
                return Label_Yes.Content.ToString();
            }
            set
            {
                Label_Yes.Content = value.TryAddKeyboardAccellerator();
            }
        }

        internal string NoButtonText
        {
            get
            {
                return Label_No.Content.ToString();
            }
            set
            {
                Label_No.Content = value.TryAddKeyboardAccellerator();
            }
        }

        public MessageBoxResult Result { get; set; }

        private AlertWindow()
        {
            InitializeComponent();
        }

        internal AlertWindow(string message)
        {
            InitializeComponent();

            Message = message;
            Image_MessageBox.Visibility = System.Windows.Visibility.Collapsed;
            DisplayButtons(MessageBoxButton.OK);
        }

        internal AlertWindow(string message, string caption)
        {
            InitializeComponent();

            Message = message;
            Caption = caption;
            Image_MessageBox.Visibility = System.Windows.Visibility.Collapsed;
            DisplayButtons(MessageBoxButton.OK);
        }

        internal AlertWindow(string message, string caption, MessageBoxButton button)
        {
            InitializeComponent();

            Message = message;
            Caption = caption;
            Image_MessageBox.Visibility = System.Windows.Visibility.Collapsed;

            DisplayButtons(button);
        }

        internal AlertWindow(string message, string caption, MessageBoxImage image)
        {
            InitializeComponent();

            Message = message;
            Caption = caption;
            DisplayImage(image);
            DisplayButtons(MessageBoxButton.OK);
        }

        internal AlertWindow(string message, string caption, MessageBoxButton button, MessageBoxImage image)
        {
            InitializeComponent();

            Message = message;
            Caption = caption;
            Image_MessageBox.Visibility = System.Windows.Visibility.Collapsed;

            DisplayButtons(button);
            DisplayImage(image);
        }

        internal static AlertWindow CreateProgressWindow(string loadingText)
        {
            var window = new AlertWindow();
            window.Message = loadingText;
            window.progressBar.Visibility = Visibility.Visible;
            window.Image_MessageBox.Visibility = System.Windows.Visibility.Collapsed;
            window.Button_OK.Visibility = System.Windows.Visibility.Collapsed;
            window.Button_Yes.Visibility = System.Windows.Visibility.Collapsed;
            window.Button_No.Visibility = System.Windows.Visibility.Collapsed;
            window.Button_Cancel.Visibility = System.Windows.Visibility.Collapsed;
            return window;
        }

        internal void CompleteProgress(string completedText)
        {
            this.Dispatcher.Invoke(new Action(() =>
            {
                Message = completedText;
                progressBar.Visibility = Visibility.Hidden;
                Button_OK.Visibility = Visibility.Visible;
                Button_OK.Focus();
            }));
        }

        private void DisplayButtons(MessageBoxButton button)
        {
            switch (button)
            {
                case MessageBoxButton.OKCancel:
                    // Hide all but OK, Cancel
                    Button_OK.Visibility = System.Windows.Visibility.Visible;
                    Button_OK.Focus();
                    Button_Cancel.Visibility = System.Windows.Visibility.Visible;

                    Button_Yes.Visibility = System.Windows.Visibility.Collapsed;
                    Button_No.Visibility = System.Windows.Visibility.Collapsed;
                    break;
                case MessageBoxButton.YesNo:
                    // Hide all but Yes, No
                    Button_Yes.Visibility = System.Windows.Visibility.Visible;
                    Button_Yes.Focus();
                    Button_No.Visibility = System.Windows.Visibility.Visible;

                    Button_OK.Visibility = System.Windows.Visibility.Collapsed;
                    Button_Cancel.Visibility = System.Windows.Visibility.Collapsed;
                    break;
                case MessageBoxButton.YesNoCancel:
                    // Hide only OK
                    Button_Yes.Visibility = System.Windows.Visibility.Visible;
                    Button_Yes.Focus();
                    Button_No.Visibility = System.Windows.Visibility.Visible;
                    Button_Cancel.Visibility = System.Windows.Visibility.Visible;

                    Button_OK.Visibility = System.Windows.Visibility.Collapsed;
                    break;
                default:
                    // Hide all but OK
                    Button_OK.Visibility = System.Windows.Visibility.Visible;
                    Button_OK.Focus();

                    Button_Yes.Visibility = System.Windows.Visibility.Collapsed;
                    Button_No.Visibility = System.Windows.Visibility.Collapsed;
                    Button_Cancel.Visibility = System.Windows.Visibility.Collapsed;
                    break;
            }
        }

        private void DisplayImage(MessageBoxImage image)
        {
            Icon icon;

            switch (image)
            {
                case MessageBoxImage.Exclamation:       // Enumeration value 48 - also covers "Warning"
                    icon = SystemIcons.Exclamation;
                    break;
                case MessageBoxImage.Error:             // Enumeration value 16, also covers "Hand" and "Stop"
                    icon = SystemIcons.Hand;
                    break;
                case MessageBoxImage.Information:       // Enumeration value 64 - also covers "Asterisk"
                    icon = SystemIcons.Information;
                    break;
                case MessageBoxImage.Question:
                    icon = SystemIcons.Question;
                    break;
                default:
                    icon = SystemIcons.Information;
                    break;
            }

            Image_MessageBox.Source = icon.ToImageSource();
            Image_MessageBox.Visibility = System.Windows.Visibility.Visible;
        }

        private void Button_OK_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.OK;
            Close();
        }

        private void Button_Cancel_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.Cancel;
            Close();
        }

        private void Button_Yes_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.Yes;
            Close();
        }

        private void Button_No_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.No;
            Close();
        }
    }
}