#include "window.h"
#include "listeners/xdg_toplevel_listener.h"

#include "../../os/WAYLAND/xdg-shell.h"

#include <wayland-egl.h>

#include <GLES2/gl2.h>
#include <stdlib.h>
#include <stdio.h>


const struct xdg_toplevel_listener toplevel_listener = {
	toplevel_configure,
	toplevel_close
};

/******************************/
/************APIs**************/
/******************************/

window_gui_enrichment *window_gui_enrichment_new(
	struct xdg_surface *xdg_surface,
	const char *title,
	application_context *ctx
){
	window_gui_enrichment *win;

	win->egl_window = NULL;
	win->egl_surface = NULL;
	win->ctx = ctx;

	win->xdg_toplevel = xdg_surface_get_toplevel( xdg_surface);
	xdg_toplevel_set_title( win->xdg_toplevel, title);
	xdg_toplevel_add_listener( win->xdg_toplevel, &toplevel_listener, win);

	return win;
}

void swapBuffers( application_context *app){

	window_gui_enrichment *win = (window_gui_enrichment*) app->win->specialization;
	wl_display_dispatch_pending(app->w_context->display);
	eglSwapBuffers( app->e_context->display, win->egl_surface);
}


void draw_callback( gui_component* toDraw, int deltaTime){
	glClearColor(1, 0, 0, 0);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	/* should iterate on all the children */

	window_gui_enrichment *win = toDraw->specialization;
	swapBuffers( win->ctx);
}

gui_component* window_new(
	const char *title, 
	ui_dimensions *dim, 
	application_context *app
){
	void (*resize_callback) ( gui_component*, resize_event*) = 0;
	void (*input_callback) ( gui_component*, resize_event*) = 0;
	
	fprintf(stderr, "WINDOW NEW\n");

	gui_component *c = gui_component_new_begin( NULL, ui_position_new(0, 0), dim, draw_callback, resize_callback, input_callback, app->w_context->builders );

    fprintf(stderr, "WINDOW DID GUI_COMP_NEW\n");

	window_gui_enrichment *spec = window_gui_enrichment_new( c->graphics->xdg_surface, title, app);
	c->specialization = (void*) spec;

    fprintf(stderr, "WINDOW DID ENRICHMENT NEW\n");


	gui_component_new_end( c);
	return c;
}