/**
 * TODO file description
 * 
 * Created on 2019/07/13.
 */

#ifndef SESSION_UTILS_C_H
#define SESSION_UTILS_C_H

#include <esp_err.h>
#include <esp_http_server.h>
#include "httpd_utils/session_kvmap.h"
#include "httpd_utils/session_store.h"

/**
 * Start or resume a session.
 */
esp_err_t HTTP_GET_SESSION(sess_kv_map_t **ppkvstore, httpd_req_t *r)
{
    sess_kv_map_t *kvstore;
    kvstore = httpd_req_find_session_and((r), SESS_GET_DATA);
    if (NULL == kvstore) {
        kvstore = sess_kv_map_alloc();
        if (!kvstore) return ESP_ERR_NO_MEM;

        const char *cookie = session_new(kvstore, sess_kv_map_free);
        if (cookie == NULL) {
            // session alloc failed
            sess_kv_map_free(kvstore);
            *ppkvstore = NULL;
            return ESP_ERR_NO_MEM;
        }
        httpd_resp_set_session_cookie(r, cookie);
    }

    *ppkvstore = kvstore;
    return ESP_OK;
}


#endif //SESSION_UTILS_C_H