#include <string>
#include <sstream>
#include <iostream>
#include <fstream>
#include <initializer_list>
#include <limits>
#include "ImageProcessingController.cpp"
#include "ConsoleTextView.cpp"
#include "GraphicalView.cpp"
#include "AlignModel.cpp"

using std::string;
using std::stringstream;
using std::cout;
using std::cerr;
using std::endl;
using std::numeric_limits;

#include <gtkmm.h>


class DrawingArea : public Gtk::DrawingArea
{
public:
    DrawingArea();

protected:
    // Override default signal handler:
    virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
private:
    // 1.Pgm image
    Glib::RefPtr<Gdk::Pixbuf> image1;
    // 2.Pgm image
    Glib::RefPtr<Gdk::Pixbuf> image2;
    //Pixel buffer for display
    Glib::RefPtr<Gdk::Pixbuf> display;
    // Scale of the image
    double scale;
};

DrawingArea::DrawingArea()
{
    // Load the images
    image1 = Gdk::Pixbuf::create_from_file("first.pgm");
    image2 = Gdk::Pixbuf::create_from_file("second.pgm");
    //create a 720x640 rgb Pixbuf
    display = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB,0,8,720,640);
}
// Call when the display need to be updated
bool DrawingArea::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
    //copy the two images to the display Pixbuf with this function:
    //void Gdk::Pixbuf::copy_area   (int src_x,int src_y,int width,int height,const Glib::RefPtr< Gdk::Pixbuf >& dest_pixbuf,int dest_x,int dest_y)
    image1->copy_area(0,0,360,640,display,0,0);
    image2->copy_area(0,0,360,640,display,360,0);
    // Place the display Pixbuf at the center of the window
    Gdk::Cairo::set_source_pixbuf(cr, display, 0,0);
    // Update the whole drawing area
    cr->rectangle(0, 0, display->get_width(), display->get_height());
    // Fill the area with the image
    cr->fill();
    // The event has been handled.
    return true;
}

int main(int argc, char** argv) {
    Glib::RefPtr<Gtk::Application> app = Gtk::Application::create(argc, argv, "betontaplfa");
    Gtk::Window window;

    // Create the drawing
    DrawingArea Dwg;
    // Insert the drawing in the window
    window.add(Dwg);
    // Resize the window
    window.resize(720,640);
    // Set the window title
    window.set_title("Pgm");
    // Show the drawing
    Dwg.show();

    // Start main loop
    return app->run(window);
}



// int main(int argc, char **argv) {
//     ConsoleTextView* console_view = new ConsoleTextView();
//     GraphicalView* graphical_view = new GraphicalView();
//     AlignModel* align_model = new AlignModel();

//     ImageProcessingController controller(align_model, console_view, graphical_view);
//     controller.RetrieveAndExecute(argc, argv);
// }