/**
 * @file archive.c
 */
#include "spm.h"

/**
 * Extract a single file from a tar archive into a directory
 *
 * @param archive path to tar archive
 * @param filename known path inside the archive to extract
 * @param destination where to extract file to (must exist)
 * @return
 */
int tar_extract_file(const char *_archive, const char* _filename, const char *_destination) {
    Process *proc = NULL;
    int status;
    char cmd[PATH_MAX];
    char *archive = strdup(_archive);
    if (!archive) {
        fprintf(SYSERROR);
        return -1;
    }
    char *filename = strdup(_filename);
    if (!filename) {
        fprintf(SYSERROR);
        return -1;
    }
    char *destination = strdup(_destination);
    if (!destination) {
        fprintf(SYSERROR);
        return -1;
    }

    strchrdel(archive, "&;|");
    strchrdel(destination, "&;|");
    strchrdel(filename, "&;|");

    sprintf(cmd, "tar xf \"%s\" -C \"%s\" \"%s\" 2>&1", archive, destination, filename);
    if (exists(archive) != 0) {
        fprintf(stderr, "%s :: ", archive);
        fprintf(SYSERROR);
        return -1;
    }

    shell(&proc, SHELL_OUTPUT, cmd);
    if (!proc) {
        fprintf(SYSERROR);
        return -1;
    }

    status = proc->returncode;

    shell_free(proc);
    free(archive);
    free(filename);
    free(destination);
    return status;
}

/**
 *
 * @param _archive
 * @param _destination
 * @return
 */
int tar_extract_archive(const char *_archive, const char *_destination) {
    Process *proc = NULL;
    int status;
    char cmd[PATH_MAX];

    if (exists(_archive) != 0) {
        fprintf(SYSERROR);
        return -1;
    }

    char *archive = strdup(_archive);
    if (!archive) {
        fprintf(SYSERROR);
        return -1;
    }
    char *destination = strdup(_destination);
    if (!destination) {
        fprintf(SYSERROR);
        return -1;
    }

    // sanitize archive
    strchrdel(archive, "&;|");
    // sanitize destination
    strchrdel(destination, "&;|");

    sprintf(cmd, "tar xf %s -C %s 2>&1", archive, destination);
    shell(&proc, SHELL_OUTPUT, cmd);
    if (!proc) {
        fprintf(SYSERROR);
        free(archive);
        free(destination);
        return -1;
    }

    status = proc->returncode;
    shell_free(proc);
    free(archive);
    free(destination);
    return status;
}