#include <stdio.h>
#include <unistd.h>
#include <libnet.h>

#include "postprocess.h"

void
print_usage(char *name)
{
    fprintf(stderr, "usage: %s [-v] [-q quality] INPUT OUTPUT\n", name);
    fprintf(stderr, "Post-process a single .dng bayer raw file to a jpeg file.\n\n");
    fprintf(stderr, "Mandatory arguments\n");
    fprintf(stderr, "INPUT    Input filename, should be a .dng file\n");
    fprintf(stderr, "OUTPUT   Output filename, should be a .jpg file\n\n");

    fprintf(stderr, "Optional arguments\n");
    fprintf(stderr, "  -v     Show verbose debugging output\n");
    fprintf(stderr, "  -q 90  Set the output jpeg quality [0-100]\n\n");
}

int
main(int argc, char *argv[])
{
    int opt;
    int verbose = 0;
    int quality = 90;
    char *input_path;
    char *output_path;

    while ((opt = getopt(argc, argv, "vq:h")) != -1) {
        switch (opt) {
            case 'v':
                verbose = 1;
                break;
            case 'q':
                quality = atoi(optarg);
                break;
            case 'h':
                print_usage(argv[0]);
                exit(0);
            case '?':
                print_usage(argv[0]);
                exit(1);
        }
    }

    if (argc < optind + 2) {
        fprintf(stderr, "Missing image parameters\n");
        print_usage(argv[0]);
        exit(1);
    }

    input_path = argv[optind];
    output_path = argv[optind + 1];

    postprocess_setup();
    postprocess_single(input_path, output_path, quality, verbose);
    return 0;
}