#include "../../../shared_cpp/WebglContext.h"
#include "../../../shared_cpp/Renderer2d.h"
#include "../../../shared_cpp/types.h"
#include "../../../shared_cpp/mathlib.h"
#include "../../../shared_cpp/MainLoop.h"
#include <cstdio>
#include <cmath>
#include <emscripten/html5.h>
#include "SpringRectangle.h"

WebglContext context;
Renderer2d renderer;
MainLoop mainLoop;
SoftbodyRectangle rectangle;

void load();
EM_BOOL onPlayClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
EM_BOOL onStopClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
void unload();
void update(float32 deltaTimeSeconds, void* userData);

int main() {
	emscripten_set_click_callback("#gl_canvas_play", NULL, false, onPlayClicked);
	emscripten_set_click_callback("#gl_canvas_stop", NULL, false, onStopClicked);
    return 0;
}

EM_BOOL onPlayClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData) {
	printf("Play clicked\n");
	load();
	return true;
}

EM_BOOL onStopClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData) {
	printf("Stop clicked\n");
	unload();
	return true;
}

void load() {
	context.init("#gl_canvas");
	renderer.load(&context);
	rectangle.load(&renderer);
	mainLoop.run(update);
}

void update(float32 deltaTimeSeconds, void* userData) {
	// -- Update
	rectangle.update(deltaTimeSeconds);
	
	// -- Render
	renderer.render();
	rectangle.render(&renderer);
}

void unload() {
	mainLoop.stop();
	renderer.unload();
	context.destroy();
	rectangle.unload();
}


//
// Interactions with DOM handled here
//

extern "C" {
    
}