/*
 * Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This file is part of the Contiki operating system.
 */

/**
 * \file
 *      ETSI Plugtest resource
 * \author
 *      Matthias Kovatsch <kovatsch@inf.ethz.ch>
 */

#include <stdio.h>
#include <string.h>
#include "coap-engine.h"
#include "coap.h"

/* Log configuration */
#include "sys/log.h"
#define LOG_MODULE "Plugtest"
#define LOG_LEVEL LOG_LEVEL_PLUGTEST

static void res_get_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);

PARENT_RESOURCE(res_plugtest_path,
                "title=\"Path test resource\";ct=\"40\"",
                res_get_handler,
                NULL,
                NULL,
                NULL);

static void
res_get_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer,
                uint16_t preferred_size, int32_t *offset)
{

  const char *uri_path = NULL;
  int len = coap_get_header_uri_path(request, &uri_path);
  int base_len = strlen(res_plugtest_path.url);

  if(len == base_len) {
    coap_set_header_content_format(response, APPLICATION_LINK_FORMAT);
    snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD,
             "</path/sub1>,</path/sub2>,</path/sub3>");
  } else {
    coap_set_header_content_format(response, TEXT_PLAIN);
    snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD, "/%.*s", len, uri_path);
  }

  coap_set_payload(response, buffer, strlen((char *)buffer));
}