/*
 * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
 *               2014 Johannes Schauer <j.schauer@email.de>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2, as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#include <jansson.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../../utils/http.h"
#include "../../utils/json.h"
#include "../mfconn.h"
#include "../file.h"
#include "../apicalls.h"        // IWYU pragma: keep

static int      _decode_file_get_info(mfhttp * conn, void *data);

int mfconn_api_file_get_info(mfconn * conn, mffile * file, char *quickkey)
{
    const char     *api_call;
    int             retval;
    int             len;
    mfhttp         *http;

    if (conn == NULL)
        return -1;

    if (file == NULL)
        return -1;
    if (quickkey == NULL)
        return -1;

    len = strlen(quickkey);

    // key must either be 11 or 15 chars
    if (len != 11 && len != 15)
        return -1;

    api_call = mfconn_create_signed_get(conn, 1, "file/get_info.php",
                                        "?quick_key=%s&response_format=json",
                                        quickkey);

    http = http_create();
    retval = http_get_buf(http, api_call, _decode_file_get_info, file);
    http_destroy(http);

    free((void *)api_call);

    return retval;
}

static int _decode_file_get_info(mfhttp * conn, void *data)
{
    json_error_t    error;
    json_t         *root;
    json_t         *node;
    json_t         *obj;
    json_t         *quickkey;
    int             retval = 0;
    mffile         *file;

    if (data == NULL)
        return -1;

    file = (mffile *) data;

    root = http_parse_buf_json(conn, 0, &error);

    node = json_object_by_path(root, "response/file_info");

    quickkey = json_object_get(node, "quickkey");
    if (quickkey != NULL)
        file_set_key(file, json_string_value(quickkey));

    obj = json_object_get(node, "filename");
    if (obj != NULL)
        file_set_name(file, json_string_value(obj));

    obj = json_object_get(node, "hash");
    if (obj != NULL) {
        file_set_hash(file, json_string_value(obj));
    }

    obj = json_object_get(node, "parent_folderkey");
    if (obj != NULL) {
        file_set_parent(file, json_string_value(obj));
    }
    // infer that the parent folder must be root
    if (obj == NULL && quickkey != NULL)
        file_set_parent(file, NULL);

    if (quickkey == NULL)
        retval = -1;

    if (root != NULL)
        json_decref(root);

    return retval;
}