#ifndef  VLIST_H
#define  VLIST_H

#ifdef  HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef  ERROR_H
#include "error.h"
#endif

#include <stddef.h>  /* size_t */

#ifndef  CDI_LIMITS_H
#include "cdi_limits.h"
#endif

#define VALIDMISS 1.e+303

#include "cdi_key.h"
#include "cdi_att.h"
#include "grid.h"

typedef struct
{
  bool     flag;
  int      index;
  int      mlevelID;
  int      flevelID;
}
levinfo_t;

#define DEFAULT_LEVINFO(levID) \
  (levinfo_t){ 0, -1, levID, levID}
/*
#define DEFAULT_LEVINFO(levID) \
  (levinfo_t){ .flag = 0, .index = -1, .flevelID = levID, .mlevelID = levID}
*/
typedef struct
{
  int ens_index;
  int ens_count;
  int forecast_init_type;
}
ensinfo_t;



typedef struct
{
  bool        isUsed;
  bool        flag;
  int         mvarID;
  int         fvarID;
  int         param;
  int         gridID;
  int         zaxisID;
  int         timetype;  // TIME_*
  int         tsteptype; // TSTEP_*
  int         datatype;  // CDI_DATATYPE_PACKX for GRIB data, else CDI_DATATYPE_FLT32 or CDI_DATATYPE_FLT64
  int         instID;
  int         modelID;
  int         tableID;
  int         timave;
  int         chunktype;
  int         xyz;
  bool        missvalused; // true if missval is defined
  bool        lvalidrange;
  char       *name;
  char       *longname;
  char       *stdname;
  char       *units;
  char       *extra;
  double      missval;
  double      scalefactor;
  double      addoffset;
  double      validrange[2];
  levinfo_t  *levinfo;
  int         comptype;     // compression type
  int         complevel;    // compression level
  cdi_keys_t  keys;
  cdi_atts_t  atts;
  int         iorank;

  int         subtypeID;   // subtype ID for tile-related meta-data, currently for GRIB-API only.

  int                 opt_grib_nentries;       // current no. key-value pairs
  int                 opt_grib_kvpair_size;    // current allocated size
  opt_key_val_pair_t *opt_grib_kvpair;         // (optional) list of keyword/value pairs
}
var_t;


typedef struct
{
  //set when a vlist is passed to streamDefVlist() to safeguard against modifications of the wrong vlist object
  bool        immutable;
  //set if this vlist has been created by CDI itself, and must not be destroyed by the user, consequently
  bool        internal;
  int         self;
  int         nvars;        /* number of variables                */
  int         ngrids;
  int         nzaxis;
  int         nsubtypes;    /* no. of variable subtypes (e.g. sets of tiles) */
  long        ntsteps;
  int         taxisID;
  int         tableID;
  int         instID;
  int         modelID;
  int         varsAllocated;
  int         gridIDs[MAX_GRIDS_PS];
  int         zaxisIDs[MAX_ZAXES_PS];
  int         subtypeIDs[MAX_SUBTYPES_PS];
  var_t      *vars;
  cdi_keys_t  keys;
  cdi_atts_t  atts;
}
vlist_t;


int vlist_key_compare(vlist_t *a, int varIDA, vlist_t *b, int varIDB, int keynum);

vlist_t *vlist_to_pointer(int vlistID);
void cdiVlistMakeInternal(int vlistID);
void cdiVlistMakeImmutable(int vlistID);
void vlistCheckVarID(const char *caller, int vlistID, int varID);
void     vlistDestroyVarName(int vlistID, int varID);
void     vlistDestroyVarLongname(int vlistID, int varID);
void     vlistDestroyVarStdname(int vlistID, int varID);
void     vlistDestroyVarUnits(int vlistID, int varID);
void     cdiVlistDestroy_(int vlistID);
int      vlistInqVarMissvalUsed(int vlistID, int varID);
int      vlistHasTime(int vlistID);

void     vlistUnpack(char * buffer, int bufferSize, int * pos,
                     int originNamespace, void *context, int force_id);

/*      vlistDefVarValidrange: Define the valid range of a Variable */
void    vlistDefVarValidrange(int vlistID, int varID, const double *validrange);

/*      vlistInqVarValidrange: Get the valid range of a Variable */
int     vlistInqVarValidrange(int vlistID, int varID, double *validrange);

void vlistInqVarDimorder(int vlistID, int varID, int (*outDimorder)[3]);

int cdi_att_compare(vlist_t *a, int varIDA, vlist_t *b, int varIDB, int attnum);

void resize_opt_grib_entries(var_t *var, int nentries);



static inline
void vlistAdd2GridIDs(vlist_t *vlistptr, int gridID)
{
  int index, ngrids = vlistptr->ngrids;
  for ( index = 0; index < ngrids; index++ )
    {
      if ( vlistptr->gridIDs[index] == gridID ) break;
      //      if ( gridIsEqual(vlistptr->gridIDs[index], gridID) ) break;
    }

  if ( index == ngrids )
    {
      if ( ngrids >= MAX_GRIDS_PS )
        Error("Internal limit exceeded: more than %d grids.", MAX_GRIDS_PS);
      vlistptr->gridIDs[ngrids] = gridID;
      ++(vlistptr->ngrids);
    }
}

static inline
void vlistAdd2ZaxisIDs(vlist_t *vlistptr, int zaxisID)
{
  int index, nzaxis = vlistptr->nzaxis;
  for ( index = 0; index < nzaxis; index++ )
    if ( zaxisID == vlistptr->zaxisIDs[index] ) break;

  if ( index == nzaxis )
    {
      if ( nzaxis >= MAX_ZAXES_PS )
	Error("Internal limit exceeded: more than %d zaxis.", MAX_ZAXES_PS);
      vlistptr->zaxisIDs[nzaxis] = zaxisID;
      ++(vlistptr->nzaxis);
    }
}

static inline
void vlistAdd2SubtypeIDs(vlist_t *vlistptr, int subtypeID)
{
  if ( subtypeID == CDI_UNDEFID ) return;

  int index, nsubs = vlistptr->nsubtypes;
  for ( index = 0; index < nsubs; index++ )
    if ( vlistptr->subtypeIDs[index] == subtypeID ) break;

  if ( index == nsubs )
    {
      if ( nsubs >= MAX_SUBTYPES_PS )
        Error("Internal limit exceeded: more than %d subs.", MAX_SUBTYPES_PS);
      vlistptr->subtypeIDs[nsubs] = subtypeID;
      ++(vlistptr->nsubtypes);
    }
}



#if  defined  (HAVE_LIBGRIB_API)
extern int   cdiNAdditionalGRIBKeys;
extern char* cdiAdditionalGRIBKeys[];
#endif

extern
#ifndef __cplusplus
const
#endif
resOps vlistOps;

#endif  /* VLIST_H */
/*
 * Local Variables:
 * c-file-style: "Java"
 * c-basic-offset: 2
 * indent-tabs-mode: nil
 * show-trailing-whitespace: t
 * require-trailing-newline: t
 * End:
 */
