/*
 * Author : Gérald FENOY
 *
 * Copyright (c) 2009-2015 GeoLabs SARL
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef ZOO_SERVICE_H
#define ZOO_SERVICE_H 1

#pragma once

#ifdef WIN32
#define ZOO_DLL_EXPORT __declspec( dllexport )
#else
#define ZOO_DLL_EXPORT 
#endif

#ifdef WIN32
#define strncasecmp _strnicmp
#define strcasecmp _stricmp
#if defined(_MSC_VER) && _MSC_VER < 1900
#define snprintf _snprintf
#endif
#define zStrdup _strdup
#define zMkdir _mkdir
#define zOpen _open
#define zWrite _write
#define zSleep Sleep
#include <sys/timeb.h>
struct ztimeval {
  long tv_sec; /* seconds */
  long tv_usec; /* and microseconds */
};
static int zGettimeofday(struct ztimeval* tp, void* tzp)
{
  if (tp == 0) {
    return -1;
  }
  
  struct _timeb theTime;
  _ftime(&theTime);
  tp->tv_sec = theTime.time;
  tp->tv_usec = theTime.millitm * 1000;
  
  return 0; // The gettimeofday() function shall return 0 on success
}

#else
/**
 * The crossplatform strdup alias
 */
#define zStrdup strdup
/**
 * The crossplatform mkdir alias
 */
#define zMkdir mkdir
/**
 * The crossplatform open alias
 */
#define zOpen open
/**
 * The crossplatform write alias
 */
#define zWrite write
/**
 * The crossplatform sleep alias
 */
#define zSleep sleep
/**
 * The crossplatform gettimeofday alias
 */
#define zGettimeofday gettimeofday
/**
 * The crossplatform timeval alias
 */
#define ztimeval timeval
#endif 

#ifdef __cplusplus
extern "C" {
#endif

#ifdef WIN32
#ifdef USE_MS
#include <mapserver.h>
#endif
#endif
#include <stdlib.h>
#include <ctype.h>

#include <stdio.h>

#include <string.h>
#ifndef WIN32
#include <ctype.h>
#include <stdbool.h>
#endif

/**
 * The global accepted status for a service
 */
#define SERVICE_ACCEPTED 0
/**
 * The global started status for a service
 */
#define SERVICE_STARTED 1
/**
 * The global paused status for a service
 */
#define SERVICE_PAUSED 2
/**
 * The global succeeded status for a service
 */
#define SERVICE_SUCCEEDED 3
/**
 * The global failed status for a service
 */
#define SERVICE_FAILED 4

/**
 * The memory size to create an elements
 */
#define ELEMENTS_SIZE (sizeof(char*)+(((2*sizeof(char*))+sizeof(maps*))*2)+sizeof(char*)+(((2*sizeof(char*))+sizeof(iotype*))*2)+(2*sizeof(elements*)))
/**
 * The memory size to create a map
 */
//#define MAP_SIZE (2*sizeof(char*))+sizeof(NULL) // knut: size of NULL pointer may be different from regular pointer (platform dependent)
#define MAP_SIZE (2*sizeof(char*))+sizeof(map*)
/**
 * The memory size to create an iotype
 */
//#define IOTYPE_SIZE MAP_SIZE+sizeof(NULL)
#define IOTYPE_SIZE sizeof(map*) + sizeof(iotype*)
/**
 * The memory size to create a maps
 */
//#define MAPS_SIZE (2*sizeof(char*))+sizeof(map*)+MAP_SIZE
#define MAPS_SIZE sizeof(char*)+sizeof(map*)+(2*sizeof(maps*))
/**
 * The memory size to create a service
 */
//#define SERVICE_SIZE (ELEMENTS_SIZE*2)+(MAP_SIZE*2)+sizeof(char*)
#define SERVICE_SIZE sizeof(char*) + 2*sizeof(map*) + 2*sizeof(elements*)
/**
 * The memory size to create a services
 */
//#define SERVICES_SIZE SERVICE_SIZE+sizeof(services*)
#define SERVICES_SIZE sizeof(service*)+sizeof(services*)
/**
 * The memory size to create a registry
 */
//#define REGISTRY_SIZE SERVICES_SIZE+sizeof(char*)
#define REGISTRY_SIZE sizeof(char*)+sizeof(services*)+sizeof(registry*)

#define SHMSZ     27

#include "version.h" 

#ifdef DEBUG_STACK
  void debugStack(const char* file,const int line){
    int stack;
    fprintf(stderr,"stack %p (%s: %d) \n",&stack,file,line);
  }
#endif

  /**
   * KVP linked list
   */
  typedef struct map{
    char* name; //!< the key
    char* value; //!< the value
    struct map* next; //!< the pointer to the next map if any or NULL
  } map;

#ifdef WIN32
#define NULLMAP ((map*) 0)
#else
#define NULLMAP NULL
#endif

  /**
   * linked list of map pointer
   *
   * Small object to store WPS KVP set.
   */
  typedef struct maps{
    char* name; //!< the maps name
    struct map* content; //!< the content map
    struct maps* child; //!< the child maps
    struct maps* next; //!< the pointer to the next maps if any or NULL
  } maps;
  
  /**
   * Not named linked list
   *
   * Used to store information about formats, such as mimeType, encoding ... 
   */
  typedef struct iotype{
    struct map* content; //!< the content map
    struct iotype* next; //!< the pointer to the next iotype if any or NULL
  } iotype;

  /**
   * Metadata information about input or output.
   *
   * The elements are used to store metadata information defined in the ZCFG.
   */
  typedef struct elements{
    char* name; //!< the name
    struct map* content; //!< the content map
    struct map* metadata; //!< the metadata map
    char* format; //!< the format: LiteralData or ComplexData or BoundingBoxData
    struct iotype* defaults; //!< the default iotype 
    struct iotype* supported; //!< the supported iotype 
    struct elements* child; //!< the pointer to the children element if any (or NULL)
    struct elements* next; //!< the pointer to the next element if any (or NULL)
  } elements;

  /**
   * Metadata information about a full Service.
   */
  typedef struct service{
    char* name; //!< the name
    struct map* content; //!< the content map
    struct map* metadata; //!< the metadata map
    struct elements* inputs; //!< the inputs elements
    struct elements* outputs; //!< the outputs elements
  } service;

  /**
   * Services chained list.
   */
  typedef struct services{
    struct service* content; //!< the content service pointer
    struct services* next; //!< the pointer to the next services*
  } services;

  /**
   * Profile registry.
   */
  typedef struct registry{
    char *name; //!< the name
    struct services* content; //!< the content services pointer
    struct registry* next; //!< the next registry pointer
  } registry;

  ZOO_DLL_EXPORT void _dumpMap(map*);
  ZOO_DLL_EXPORT void dumpMap(map*);
  ZOO_DLL_EXPORT void dumpMaps(maps* m);
  ZOO_DLL_EXPORT void dumpMapToFile(map*,FILE*); // (used only internally)
  ZOO_DLL_EXPORT void dumpMapsToFile(maps*,char*,int);
  ZOO_DLL_EXPORT map* createMap(const char*,const char*);
  ZOO_DLL_EXPORT maps* createMaps(const char*);
  ZOO_DLL_EXPORT int count(map*);
  ZOO_DLL_EXPORT bool hasKey(map*,const char*);
  ZOO_DLL_EXPORT maps* getMaps(maps*,const char*);
  ZOO_DLL_EXPORT map* getMap(map*,const char*);
  ZOO_DLL_EXPORT map* getLastMap(map*);
  ZOO_DLL_EXPORT map* getMapFromMaps(maps*,const char*,const char*);
  ZOO_DLL_EXPORT void freeMap(map**);
  ZOO_DLL_EXPORT void freeMaps(maps** mo);
  

  ZOO_DLL_EXPORT elements* createEmptyElements();
  ZOO_DLL_EXPORT elements* createElements(char*);
  ZOO_DLL_EXPORT void setElementsName(elements**,char*);
  ZOO_DLL_EXPORT bool hasElement(elements*,const char*);
  ZOO_DLL_EXPORT elements* getElements(elements*,char*);
  ZOO_DLL_EXPORT void freeIOType(iotype**);
  ZOO_DLL_EXPORT void freeElements(elements**);
  ZOO_DLL_EXPORT void setServiceName(service**,char*);
  ZOO_DLL_EXPORT void freeService(service**);
  ZOO_DLL_EXPORT void addToMap(map*,const char*,const char*);
  ZOO_DLL_EXPORT void addIntToMap(map*,const char*,const int);
  ZOO_DLL_EXPORT map* addToMapWithSize(map*,const char*,const char*,int);
  ZOO_DLL_EXPORT void addMapToMap(map**,map*);
  ZOO_DLL_EXPORT void addMapToIoType(iotype**,map*);
  ZOO_DLL_EXPORT map* getMapOrFill(map**,const char*,const char*);
  ZOO_DLL_EXPORT bool contains(map*,map*);
  ZOO_DLL_EXPORT iotype* getIoTypeFromElement(elements*,char*, map*);
  ZOO_DLL_EXPORT void loadMapBinary(map**,map*,int);
  ZOO_DLL_EXPORT void loadMapBinaries(map**,map*);
  ZOO_DLL_EXPORT maps* dupMaps(maps**);
  ZOO_DLL_EXPORT void addMapsToMaps(maps**,maps*);
  ZOO_DLL_EXPORT map* getMapArray(map*,const char*,int);
  ZOO_DLL_EXPORT void setMapArray(map*,const char*,int,const char*);
  ZOO_DLL_EXPORT map* getMapType(map*);
  ZOO_DLL_EXPORT int addMapsArrayToMaps(maps**,maps*,char*);
  ZOO_DLL_EXPORT void setMapInMaps(maps*,const char*,const char*,const char*);
  ZOO_DLL_EXPORT void dumpElements(elements*);
  ZOO_DLL_EXPORT void dumpElementsAsYAML(elements*,int);
  ZOO_DLL_EXPORT elements* dupElements(elements*);
  ZOO_DLL_EXPORT void addToElements(elements**,elements*);
  ZOO_DLL_EXPORT void dumpService(service*);
  ZOO_DLL_EXPORT void dumpServiceAsYAML(service*);
  ZOO_DLL_EXPORT service* dupService(service*);
  ZOO_DLL_EXPORT void dumpRegistry(registry*);
  ZOO_DLL_EXPORT bool addServiceToRegistry(registry**,char*,service*);
  ZOO_DLL_EXPORT void freeRegistry(registry**);
  ZOO_DLL_EXPORT service* getServiceFromRegistry(registry*,char*,char*);
  ZOO_DLL_EXPORT void inheritMap(map**,map*);
  ZOO_DLL_EXPORT void inheritIOType(iotype**,iotype*);
  ZOO_DLL_EXPORT void inheritElements(elements**,elements*);
  ZOO_DLL_EXPORT void inheritance(registry*,service**);
  ZOO_DLL_EXPORT void mapsToCharXXX(maps*,char***);
  ZOO_DLL_EXPORT void charxxxToMaps(char***,maps**);
#if defined(_MSC_VER) && _MSC_VER < 1800
  // snprintf for Visual Studio compiler;
  // it is also used by services (e.g., GetStatus), therefore exported to shared library
  ZOO_DLL_EXPORT int snprintf(char *buffer, size_t n, const char *format, ...);
#endif
#ifdef __cplusplus
}
#endif

#endif