#define _POSIX_C_SOURCE 200809L
#include <string.h>
#include <jansson.h>
#include "instance_info.h"
#include "log.h"

struct instance_info *instance_info_from_json(char *json_data)
{
    struct instance_info *info;
    info = malloc(sizeof(struct instance_info));

    json_t *root;
    json_error_t error;

    root = json_loads(json_data, 0, &error);

    if (!root) {
        gs_log(GS_WARNING, "instance_info_from_json", "error: on line %d: %s",
                error.line, error.text);
        return NULL;
    }

    if (!json_is_object(root)) {
        gs_log(GS_WARNING, "instance_info_from_json", "root is not object");
        json_decref(root);
        return NULL;
    }

    json_t *title = json_object_get(root, "title");
    if (!json_is_string(title)) {
        gs_log(GS_WARNING, "instance_info_from_json", "title is not string");
        return NULL;
    }
    info->title = strdup(json_string_value(title));

    json_decref(root);
    return info;
}