#include "grrlib_duk.h"
#include <grrlib.h>

static unsigned int get_color(duk_context *ctx, duk_idx_t index) {
	size_t rgba_size;
	unsigned char * rgba = duk_get_buffer(ctx, index, &rgba_size);
	return rgba[0] << 24 | rgba[1] << 16 | rgba[2] << 8 | rgba[3];
}

static duk_ret_t grrlib_fill_screen(duk_context *ctx) {
	unsigned int color = get_color(ctx, 0);

	GRRLIB_FillScreen(color);
	return 0;
}

static duk_ret_t grrlib_rectangle(duk_context *ctx) {
	float x = duk_to_number(ctx, 0);

	float y = duk_to_number(ctx, 1);
	float width = duk_to_number(ctx, 2);
	float height = duk_to_number(ctx, 3);

	unsigned int color = get_color(ctx, 4);

	bool filled = duk_to_boolean(ctx, 5);
	
	GRRLIB_Rectangle(x, y, width, height, color, filled);
	return 0;
}

void define_grrlib_object(duk_context *ctx) {
	duk_idx_t grrlib_obj = duk_push_object(ctx);

	duk_push_c_function(ctx, grrlib_fill_screen, 1);
	duk_put_prop_string(ctx, grrlib_obj, "fill_screen");

	duk_push_c_function(ctx, grrlib_rectangle, 6);
	duk_put_prop_string(ctx, grrlib_obj, "rectangle");
}