#include "pHash.h"
#include "stdio.h"

int main(int argc, char **argv) {
    const char *msg = ph_about();
    printf(msg);
    printf("\n");
    if (argc < 2) {
        printf("not enough input arguments\n");
        return -1;
    }
    const char *file1 = argv[1];
    const char *file2t = argv[2];
    char *file2 = strdup(file2t);

    if (!file1 || !file2) {
        printf("not enough arguments\n");
        exit(1);
    }

    ulong64 *hash1, *hash2;
    int L1, L2;
    double sim;

    printf("file1=%s\n", file1);
    hash1 = ph_dct_videohash(file1, L1);

    if (!hash1) {
        exit(2);
    }
    printf("length %d\n", L1);

    do {
        printf("file=%s\n", file2);
        hash2 = ph_dct_videohash(file2, L2);
        if (!hash2) {
            printf("hash 2 is null\n");
            free(hash1);
            exit(3);
        }

        printf("length %d\n", L2);
        sim = ph_dct_videohash_dist(hash1, L1, hash2, L2, 21);
        printf("similarity %f\n", sim);

        free(hash2);
        hash2 = NULL;

        file2 = fgets(file2, 80, stdin);
        file2[strlen(file2) - 1] = '\0';
    } while (strcmp(file2, "exit"));

    free(hash1);
    free(hash2);
    hash1 = NULL;
    hash2 = NULL;

    printf("done\n");
    return 0;
}