#ifndef HTTPD_UTILS_CAPTIVE_H
#define HTTPD_UTILS_CAPTIVE_H

#include <esp_http_server.h>
#include <esp_err.h>

/**
 * Redirect if needed when a captive portal capture is detected
 *
 * @param r
 * @return ESP_OK on redirect, ESP_ERR_NOT_FOUND if not needed, other error on failure
 */
esp_err_t httpd_captive_redirect(httpd_req_t *r);

/**
 * Get URL to redirect to. WEAK.
 *
 * @param r
 * @param buf
 * @param maxlen
 * @return http(s)://foo.bar/
 */
esp_err_t httpd_captive_redirect_get_url(httpd_req_t *r, char *buf, size_t maxlen);

/**
 * Get captive portal domain. WEAK.
 *
 * @return foo.bar
 */
const char * httpd_captive_redirect_get_domain();

#endif //HTTPD_UTILS_CAPTIVE_H