using MaterialDesignThemes.Wpf;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using Tango.SharedUI;

namespace Tango.MachineStudio.Common.Notifications
{
    /// <summary>
    /// Represents the Machine Studio user notification provider responsible for displaying information, alerts and dialogs to the user.
    /// </summary>
    public interface INotificationProvider
    {
        /// <summary>
        /// Gets the collection of active task items.
        /// </summary>
        ObservableCollection<TaskItem> TaskItems { get; }

        /// <summary>
        /// Gets the collection of active bar items.
        /// </summary>
        ObservableCollection<BarItem> BarItems { get; }

        /// <summary>
        /// Gets the current displayed task item.
        /// </summary>
        TaskItem CurrentTaskItem { get; }

        /// <summary>
        /// Gets a value indicating whether there are any queued task items.
        /// </summary>
        bool HasTaskItems { get; }

        /// <summary>
        /// Pushes the specified task item to the queue.
        /// </summary>
        /// <param name="taskItem">The task item.</param>
        void PushTaskItem(TaskItem taskItem);

        /// <summary>
        /// Create and push a new task item from the specified message.
        /// </summary>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        TaskItem PushTaskItem(String message);

        /// <summary>
        /// Creates and push a new bar item from the specified framework element.
        /// </summary>
        /// <param name="element">The element.</param>
        /// <returns></returns>
        BarItem PushBarItem(FrameworkElement element);

        /// <summary>
        /// Pushes the specified bar item.
        /// </summary>
        /// <param name="barItem">The bar item.</param>
        /// <returns></returns>
        BarItem PushBarItem(BarItem barItem);

        /// <summary>
        /// Removed the specified task item from the queue.
        /// </summary>
        /// <param name="taskItem">The task item.</param>
        void PopTaskItem(TaskItem taskItem);

        /// <summary>
        /// Removed the specified bar item.
        /// </summary>
        /// <param name="barItem">The bar item.</param>
        void PopBarItem(BarItem barItem);

        /// <summary>
        /// Creates a new instance of the specified View type and displays it as a modal dialog.
        /// </summary>
        /// <typeparam name="View">The type of the view.</typeparam>
        /// <typeparam name="VM">The type of the view model.</typeparam>
        /// <param name="onAccept">Accept button callback.</param>
        /// <param name="onCancel">Cancel button callback.</param>
        void ShowModalDialog<View, VM>(Action<VM> onAccept, Action onCancel) where View : FrameworkElement where VM : DialogViewVM;

        /// <summary>
        /// Creates a new view by a naming convention of the specified view model type.
        /// </summary>
        /// <typeparam name="VM">The type of the view model.</typeparam>
        /// <param name="onAccept">Accept button callback.</param>
        /// <param name="onCancel">Cancel button callback.</param>
        void ShowModalDialog<VM>(Action<VM> onAccept, Action onCancel) where VM : DialogViewVM;

        /// <summary>
        ///  Shows the specified view with the specified view model as it's data context.
        /// </summary>
        /// <typeparam name="VM">The type of the mm.</typeparam>
        /// <typeparam name="View">The type of the view.</typeparam>
        /// <param name="vm">The view model.</param>
        /// <param name="onAccept">The accept action.</param>
        /// <param name="onCancel">The cancel action.</param>
        void ShowModalDialog<VM, View>(VM vm, Action<VM> onAccept, Action onCancel) where View : FrameworkElement where VM : DialogViewVM;

        /// <summary>
        ///  Shows the specified view with the specified view model as it's data context.
        /// </summary>
        /// <typeparam name="VM">The type of the mm.</typeparam>
        /// <typeparam name="View">The type of the view.</typeparam>
        /// <param name="vm">The view model.</param>
        /// <param name="view">The view.</param>
        /// <param name="onAccept">The accept action.</param>
        /// <param name="onCancel">The cancel action.</param>
        void ShowModalDialog<VM, View>(VM vm, View view, Action<VM> onAccept, Action onCancel) where View : FrameworkElement where VM : DialogViewVM;

        /// <summary>
        /// Creates a new view by a naming convention of the specified view model type.
        /// </summary>
        /// <typeparam name="VM">The type of the view model.</typeparam>
        /// <param name="onAccept">Accept button callback.</param>
        void ShowModalDialog<VM>(Action<VM> onAccept) where VM : DialogViewVM;

        /// <summary>
        /// Display a message box.
        /// </summary>
        /// <param name="icon">The icon.</param>
        /// <param name="iconColor">Color of the icon.</param>
        /// <param name="message">The message.</param>
        /// <param name="hasCancel">if set to <c>true</c> displays the cancel button.</param>
        /// <returns></returns>
        bool? ShowMessageBox(PackIconKind icon, Brush iconColor, String message, bool hasCancel);

        /// <summary>
        /// Shows an information message box.
        /// </summary>
        /// <param name="message">The message.</param>
        void ShowInfo(String message);

        /// <summary>
        /// Shows warning message box.
        /// </summary>
        /// <param name="message">The message.</param>
        void ShowWarning(String message);

        /// <summary>
        /// Shows an error message box.
        /// </summary>
        /// <param name="message">The message.</param>
        void ShowError(String message);

        /// <summary>
        /// Shows a question message box.
        /// </summary>
        /// <param name="message">The message.</param>
        bool ShowQuestion(String message);

        /// <summary>
        /// Shows a question message box with an error icon.
        /// </summary>
        /// <param name="message">The message.</param>
        bool ShowErrorQuestion(String message);

        /// <summary>
        /// Shows a dialog with a text input field and returns the response.
        /// </summary>
        /// <param name="message">The message.</param>
        /// <param name="hint">Text field hint.</param>
        /// <param name="defaultResponse">Optional default response.</param>
        /// <returns></returns>
        String ShowTextInput(String message, String hint, String defaultResponse = null);
    }
}