using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Tango.SharedUI;

namespace Tango.Scripting.IDE.Notifications
{
    /// <summary>
    /// Represents the IDE notification manager.
    /// </summary>
    public interface INotificationManager
    {
        /// <summary>
        /// Displays the specified TView as a dialog and TViewModel as it's data context.
        /// </summary>
        /// <typeparam name="TViewModel">The type of the view model.</typeparam>
        /// <typeparam name="TView">The type of the view.</typeparam>
        /// <param name="viewModel">The view model.</param>
        /// <param name="view">The view.</param>
        /// <returns></returns>
        Task<TViewModel> ShowDialog<TViewModel, TView>(TViewModel viewModel, TView view) where TViewModel : IDEDialogViewModel where TView : FrameworkElement;

        /// <summary>
        /// Finds (by convention )the appropriate view by the specified TViewModel name.
        /// The search pattern is ViewVM - VM + View.
        /// </summary>
        /// <typeparam name="TViewModel">The type of the view model.</typeparam>
        /// <param name="viewModel">The view model.</param>
        /// <returns></returns>
        Task<TViewModel> ShowDialog<TViewModel>(TViewModel viewModel) where TViewModel : IDEDialogViewModel;

        /// <summary>
        /// Finds (by convention )the appropriate view by the specified TViewModel name.
        /// The search pattern is ViewVM - VM + View.
        /// The view model instance will be created automatically and must contain a parameterless constructor.
        /// </summary>
        /// <typeparam name="TViewModel">The type of the view model.</typeparam>
        /// <param name="viewModel">The view model.</param>
        /// <returns></returns>
        Task<TViewModel> ShowDialog<TViewModel>() where TViewModel : IDEDialogViewModel;

        /// <summary>
        /// Displays an error message.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        Task ShowError(String title, String message);

        /// <summary>
        /// Displays an error message.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        Task ShowInfo(String title, String message);

        /// <summary>
        /// Displays a warning message.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        Task ShowWarning(String title, String message);

        /// <summary>
        /// Displays a positive message.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        Task ShowSuccess(String title, String message);

        /// <summary>
        /// Displays a question and returns the result.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <returns></returns>
        Task<bool> ShowQuestion(String title, String message);

        /// <summary>
        /// Displays an intermediate progress dialog and returns an instance of <see cref="ProgressNotificationHandler"/>.
        /// Once the progress notification handler will be disposed the dialog will close.
        /// </summary>
        /// <param name="title">The title.</param>
        /// <param name="message">The message.</param>
        /// <param name="canCancel">if set to <c>true</c> the dialog will contain a cancel button.</param>
        /// <returns></returns>
        ProgressNotificationHandler ShowProgress(String title, String message, bool canCancel = false);
    }
}