#include <iostream>
#include "libppm.h"
#include <cstdint>

using namespace std;

struct image_t* S1_smoothen(struct image_t *input_image)
{
	// TODO
	// remember to allocate space for smoothened_image. See read_ppm_file() in libppm.c for some help.
	return 0;
}

struct image_t* S2_find_details(struct image_t *input_image, struct image_t *smoothened_image)
{
	// TODO
	return 0;
}

struct image_t* S3_sharpen(struct image_t *input_image, struct image_t *details_image)
{
	// TODO
	return input_image; //TODO remove this line when adding your code
}

int main(int argc, char **argv)
{
	if(argc != 3)
	{
		cout << "usage: ./a.out <path-to-original-image> <path-to-transformed-image>\n\n";
		exit(0);
	}
	
	struct image_t *input_image = read_ppm_file(argv[1]);
	
	struct image_t *smoothened_image = S1_smoothen(input_image);
	
	struct image_t *details_image = S2_find_details(input_image, smoothened_image);
	
	struct image_t *sharpened_image = S3_sharpen(input_image, details_image);
	
	write_ppm_file(argv[2], sharpened_image);
	
	return 0;
}