#include "App.xaml.h"
#include "OpenGLESPage.xaml.h"

using namespace Platform;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::UI::Xaml::Media::Animation;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Controls::Primitives;
using namespace Windows::UI::Xaml::Data;
using namespace Windows::UI::Xaml::Input;
using namespace Windows::UI::Xaml::Interop;
using namespace Windows::UI::Xaml::Media;
using namespace Windows::UI::Xaml::Navigation;
using namespace cocos2d;
using namespace CocosAppWinRT;

App::App()
{
    InitializeComponent();
    Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
    Resuming += ref new EventHandler<Object^>(this, &App::OnResuming);
}

/// <summary>
/// Invoked when the application is launched normally by the end user.	Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e)
{
    // if our app is prelaunched do nothing
    // see https://msdn.microsoft.com/en-us/windows/uwp/launch-resume/handle-app-prelaunch
    if (e->PrelaunchActivated)
    {
        return;
    }

    auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);

    // Do not repeat app initialization when the Window already has content,
    // just ensure that the window is active
    if (rootFrame == nullptr)
    {
        // Create a Frame to act as the navigation context and associate it with
        // a SuspensionManager key
        rootFrame = ref new Frame();

        rootFrame->NavigationFailed += ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(this, &App::OnNavigationFailed);

        if (e->PreviousExecutionState == ApplicationExecutionState::Terminated)
        {
            // TODO: Restore the saved session state only when appropriate, scheduling the
            // final launch steps after the restore is complete

        }

        // Place the frame in the current Window
        Window::Current->Content = rootFrame;
        // Ensure the current window is active
    }

    if (rootFrame->Content == nullptr)
    {
        // When the navigation stack isn't restored navigate to the first page,
        // configuring the new page by passing required information as a navigation
        // parameter
        rootFrame->Content = mPage = ref new OpenGLESPage(&mOpenGLES);
    }
    // Ensure the current window is active
    Window::Current->Activate();
}

/// <summary>
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
{
    (void)sender;	// Unused parameter
    (void)e;		// Unused parameter

    if (mPage)
    {
        mPage->SetVisibility(false);
    }
}

/// <summary>
/// Invoked when application execution is being resumed.
/// </summary>
/// <param name="sender">The source of the resume request.</param>
/// <param name="args">Details about the resume request.</param>
void App::OnResuming(Object ^sender, Object ^args)
{
    (void)sender; // Unused parameter
    (void)args; // Unused parameter

    if (mPage)
    {
        mPage->SetVisibility(true);
    }
}

/// <summary>
/// Invoked when Navigation to a certain page fails
/// </summary>
/// <param name="sender">The Frame which failed navigation</param>
/// <param name="e">Details about the navigation failure</param>
void App::OnNavigationFailed(Platform::Object ^sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^e)
{
    throw ref new FailureException("Failed to load Page " + e->SourcePageType.Name);
}