/*
// Copyright (c) 2016 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/

#ifndef OC_RI_H
#define OC_RI_H

#include "oic/port/mynewt/config.h"
#include "oic/port/oc_connectivity.h"
#include "oic/oc_rep.h"
#include "oic/oc_uuid.h"
#include "oic/oc_ri_const.h"

#ifdef __cplusplus
extern "C" {
#endif

struct oc_separate_response;
struct oc_response_buffer;
struct oc_endpoint;

typedef struct oc_response {
    struct oc_separate_response *separate_response;
    struct oc_response_buffer *response_buffer;
} oc_response_t;

typedef struct oc_request {
    struct oc_endpoint *origin;
    struct oc_resource *resource;
    const char *query;
    int query_len;
    oc_response_t *response;
    struct coap_packet_rx *packet;
} oc_request_t;

typedef void (*oc_request_handler_t)(oc_request_t *, oc_interface_mask_t);

typedef struct oc_resource {
  SLIST_ENTRY(oc_resource) next;
  int device;
  oc_string_t uri;
  oc_string_array_t types;
  oc_interface_mask_t interfaces;
  oc_interface_mask_t default_interface;
  oc_resource_properties_t properties;
  oc_request_handler_t get_handler;
  oc_request_handler_t put_handler;
  oc_request_handler_t post_handler;
  oc_request_handler_t delete_handler;
  struct os_callout callout;
  uint32_t observe_period_mseconds;
  uint8_t num_observers;
} oc_resource_t;

void oc_ri_init(void);

void oc_ri_shutdown(void);

int oc_status_code(oc_status_t key);

oc_resource_t *oc_ri_get_app_resource_by_uri(const char *uri);

oc_resource_t *oc_ri_get_app_resources(void);

#ifdef OC_SERVER
oc_resource_t *oc_ri_alloc_resource(void);
bool oc_ri_add_resource(oc_resource_t *resource);
void oc_ri_delete_resource(oc_resource_t *resource);
#endif

int oc_ri_get_query_nth_key_value(const char *query, int query_len, char **key,
                                  int *key_len, char **value, int *value_len,
                                  int n);
int oc_ri_get_query_value(const char *query, int query_len, const char *key,
                          char **value);

oc_interface_mask_t oc_ri_get_interface_mask(char *iface, int if_len);

struct coap_packet_rx;
struct coap_packet;
bool oc_ri_invoke_coap_entity_handler(struct coap_packet_rx *request,
                                      struct coap_packet *response,
                                      int32_t *offset,
                                      struct oc_endpoint *endpoint);

#ifdef __cplusplus
}
#endif

#endif /* OC_RI_H */