/*
 * 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
 *      Erbium (Er) CoAP Engine example.
 * \author
 *      Matthias Kovatsch <kovatsch@inf.ethz.ch>
 */

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

#if PLATFORM_SUPPORTS_BUTTON_HAL
#include "dev/button-hal.h"
#else
#include "dev/button-sensor.h"
#endif

/* Log configuration */
#include "sys/log.h"
#define LOG_MODULE "App"
#define LOG_LEVEL LOG_LEVEL_APP
/*
 * Resources to be activated need to be imported through the extern keyword.
 * The build system automatically compiles the resources in the corresponding sub-directory.
 */
extern coap_resource_t
  res_hello,
  res_mirror,
  res_chunks,
  res_separate,
  res_push,
  res_event,
  res_sub,
  res_b1_sep_b2;
#if PLATFORM_HAS_LEDS
extern coap_resource_t res_leds, res_toggle;
#endif
#if PLATFORM_HAS_LIGHT
#include "dev/light-sensor.h"
extern coap_resource_t res_light;
#endif
#if PLATFORM_HAS_BATTERY
#include "dev/battery-sensor.h"
extern coap_resource_t res_battery;
#endif
#if PLATFORM_HAS_TEMPERATURE
#include "dev/temperature-sensor.h"
extern coap_resource_t res_temperature;
#endif

PROCESS(er_example_server, "Erbium Example Server");
AUTOSTART_PROCESSES(&er_example_server);

PROCESS_THREAD(er_example_server, ev, data)
{
  PROCESS_BEGIN();

  PROCESS_PAUSE();

  LOG_INFO("Starting Erbium Example Server\n");

  /* Initialize the REST engine. */
  coap_engine_init();

  /*
   * Bind the resources to their Uri-Path.
   * WARNING: Activating twice only means alternate path, not two instances!
   * All static variables are the same for each URI path.
   */
  coap_activate_resource(&res_hello, "test/hello");
  coap_activate_resource(&res_mirror, "debug/mirror");
  coap_activate_resource(&res_chunks, "test/chunks");
  coap_activate_resource(&res_separate, "test/separate");
  coap_activate_resource(&res_push, "test/push");
#if PLATFORM_HAS_BUTTON
  coap_activate_resource(&res_event, "sensors/button");
#endif /* PLATFORM_HAS_BUTTON */
  coap_activate_resource(&res_sub, "test/sub");
  coap_activate_resource(&res_b1_sep_b2, "test/b1sepb2");
#if PLATFORM_HAS_LEDS
/*  coap_activate_resource(&res_leds, "actuators/leds"); */
  coap_activate_resource(&res_toggle, "actuators/toggle");
#endif
#if PLATFORM_HAS_LIGHT
  coap_activate_resource(&res_light, "sensors/light");
  SENSORS_ACTIVATE(light_sensor);
#endif
#if PLATFORM_HAS_BATTERY
  coap_activate_resource(&res_battery, "sensors/battery");
  SENSORS_ACTIVATE(battery_sensor);
#endif
#if PLATFORM_HAS_TEMPERATURE
  coap_activate_resource(&res_temperature, "sensors/temperature");
  SENSORS_ACTIVATE(temperature_sensor);
#endif

  /* Define application-specific events here. */
  while(1) {
    PROCESS_WAIT_EVENT();
#if PLATFORM_HAS_BUTTON
#if PLATFORM_SUPPORTS_BUTTON_HAL
    if(ev == button_hal_release_event) {
#else
    if(ev == sensors_event && data == &button_sensor) {
#endif
      LOG_DBG("*******BUTTON*******\n");

      /* Call the event_handler for this application-specific event. */
      res_event.trigger();

      /* Also call the separate response example handler. */
      res_separate.resume();
    }
#endif /* PLATFORM_HAS_BUTTON */
  }                             /* while (1) */

  PROCESS_END();
}