/*
 * Copyright (c) 2005 Sandia Corporation. Under the terms of Contract
 * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
 * retains certain rights in this software.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 * 
 *     * 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.  
 * 
 *     * Neither the name of Sandia Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT
 * OWNER 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.
 * 
 */
/*****************************************************************************
*
* exppem - ex_put_partial_num_map
*
* entry conditions - 
*   input parameters:
*       int     exoid                   exodus file id
*       int     map_id                  element map id
*       int     ent_start               first entry in map
*       int     ent_count               number of entries in map
*       int     *map                    map
*
* exit conditions - 
*
* revision history - 
*
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"
#include <stdlib.h> /* for free() */

/*!
 * writes a map; this is a vector of integers of length number of mesh
 * objects of that type (element, node, face, edge)
 */
int ex_put_partial_num_map (int exoid,
			    ex_entity_type map_type,
			    ex_entity_id map_id,
			    int64_t ent_start,
			    int64_t ent_count, 
			    const void_int *map)
{
  int status;
  int dimid, varid, map_ndx, map_exists;
  size_t start[1]; 
  size_t num_maps, num_mobj, count[1];
  int cur_num_maps;
  char errmsg[MAX_ERR_LENGTH];
  const char* dnumentries;
  const char* dnummaps;
  const char* vmapids;
  const char* vmap;

  exerrval = 0; /* clear error code */

  switch ( map_type ) {
  case EX_NODE_MAP:
    dnumentries = DIM_NUM_NODES;
    dnummaps = DIM_NUM_NM;
    vmapids = VAR_NM_PROP(1);
    break;
  case EX_EDGE_MAP:
    dnumentries = DIM_NUM_EDGE;
    dnummaps = DIM_NUM_EDM;
    vmapids = VAR_EDM_PROP(1);
    break;
  case EX_FACE_MAP:
    dnumentries = DIM_NUM_FACE;
    dnummaps = DIM_NUM_FAM;
    vmapids = VAR_FAM_PROP(1);
    break;
  case EX_ELEM_MAP:
    dnumentries = DIM_NUM_ELEM;
    dnummaps = DIM_NUM_EM;
    vmapids = VAR_EM_PROP(1);
    break;
  default:
    exerrval = EX_BADPARAM;
    sprintf( errmsg,
	     "Error: Bad map type (%d) specified for file id %d",
	     map_type, exoid );
    ex_err( "ex_put_num_map", errmsg, exerrval );
    return (EX_FATAL);
  }

  /* Make sure the file contains entries */
  if (nc_inq_dimid (exoid, dnumentries, &dimid) != NC_NOERR ) {
    return (EX_NOERR);
  }

  /* first check if any maps are specified */
  if ((status = nc_inq_dimid (exoid, dnummaps, &dimid)) != NC_NOERR )
    {
      exerrval = status;
      sprintf(errmsg,
	      "Error: no %ss specified in file id %d",
	      ex_name_of_object(map_type),exoid);
      ex_err("ex_put_partial_num_map",errmsg,exerrval);
      return (EX_FATAL);
    }
  
  /* Check for duplicate map id entry */
  ex_id_lkup(exoid,map_type,map_id); 
  if (exerrval == EX_LOOKUPFAIL) {   /* did not find the map id */
    map_exists = 0; /* Map is being defined */
  } else {
    map_exists = 1; /* A portion of this map has already been written */
  }
   
  /* Check for duplicate map id entry */
  if (!map_exists) {
    /* Get number of maps initialized for this file */
    if ((status = nc_inq_dimlen(exoid,dimid,&num_maps)) != NC_NOERR) {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to get number of %ss in file id %d",
	      ex_name_of_object(map_type),exoid);
      ex_err("ex_put_partial_num_map",errmsg,exerrval);
      return (EX_FATAL);
    }

    /* Keep track of the total number of maps defined using a
       counter stored in a linked list keyed by exoid.  NOTE:
       ex_get_file_item is used to find the number of element maps for a
       specific file and returns that value.
    */
    cur_num_maps = ex_get_file_item(exoid, ex_get_counter_list(map_type));
    if (cur_num_maps >= (int)num_maps) {
      exerrval = EX_FATAL;
      sprintf(errmsg,
	      "Error: exceeded number of %ss (%"ST_ZU") specified in file id %d",
	      ex_name_of_object(map_type),num_maps,exoid);
      ex_err("ex_put_num_map",errmsg,exerrval);
      return (EX_FATAL);
    }
    
    /*   NOTE: ex_inc_file_item  is used to find the number of element maps
	 for a specific file and returns that value incremented. */
    cur_num_maps = ex_inc_file_item(exoid, ex_get_counter_list(map_type));
  } else {
    map_ndx = ex_id_lkup(exoid,map_type,map_id); 
    cur_num_maps = map_ndx-1;
  }

  /* determine number of elements */
  if ((status = nc_inq_dimid(exoid, dnumentries, &dimid)) != NC_NOERR) {
    exerrval = status;
    sprintf(errmsg,
	    "Error: couldn't determine number of mesh objects in file id %d",
	    exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }

  if ((status = nc_inq_dimlen(exoid, dimid, &num_mobj)) != NC_NOERR) {
    exerrval = status;
    sprintf(errmsg,
	    "Error: failed to get number of mesh objects in file id %d",
	    exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }

  /* Check input parameters for a valid range of numbers */
  if (ent_start <= 0 || ent_start > num_mobj) {
    exerrval = EX_FATAL;
    sprintf(errmsg,
	    "Error: start count is invalid in file id %d",
	    exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }
  if (ent_count < 0) {
    exerrval = EX_FATAL;
    sprintf(errmsg,
	    "Error: Invalid count value in file id %d",
	    exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }
  if (ent_start+ent_count-1 > num_mobj) {
    exerrval = EX_FATAL;
    sprintf(errmsg,
	    "Error: start+count-1 is larger than mesh object count in file id %d",
	    exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }
  

  /* write out information to previously defined variable */

  /* first get id of variable */
  if ((status = nc_inq_varid (exoid, vmapids, &varid)) == -1)
    {
      exerrval = status;
      sprintf(errmsg,
	      "Error: failed to locate %s ids in file id %d",
	      ex_name_of_object(map_type),exoid);
      ex_err("ex_put_num_map",errmsg,exerrval);
      return (EX_FATAL);
    }

  /* then, write out map id */
  if (!map_exists) {
    start[0] = cur_num_maps;
    {
      if ((status = nc_put_var1_longlong(exoid, varid, start, (long long*)&map_id)) != NC_NOERR) {
	exerrval = status;
	sprintf(errmsg,
		"Error: failed to store %s id %"PRId64" in file id %d",
		ex_name_of_object(map_type),map_id,exoid);
	ex_err("ex_put_num_map",errmsg,exerrval);
	return (EX_FATAL);
      }
    }
  }
  
  switch ( map_type ) {
  case EX_NODE_MAP:
    vmap = VAR_NODE_MAP(cur_num_maps+1);
    break;
  case EX_EDGE_MAP:
    vmap = VAR_EDGE_MAP(cur_num_maps+1);
    break;
  case EX_FACE_MAP:
    vmap = VAR_FACE_MAP(cur_num_maps+1);
    break;
  case EX_ELEM_MAP:
    vmap = VAR_ELEM_MAP(cur_num_maps+1);
    break;
  default:
    exerrval = 1005;
    sprintf(errmsg,
	    "Internal Error: unrecognized map type in switch: %d in file id %d",
	    map_type,exoid);
    ex_err("ex_putt_partial_one_attr",errmsg,EX_MSG);
    return (EX_FATAL);
  }

  /* locate variable array in which to store the map */
  if ((status = nc_inq_varid(exoid,vmap, &varid)) != NC_NOERR) {
    exerrval = status;
    sprintf(errmsg,
	    "Error: failed to locate %s %"PRId64" in file id %d",
	    ex_name_of_object(map_type),map_id,exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }

  /* write out the map  */
  start[0] = ent_start-1;
  count[0] = ent_count;

  if (count[0] == 0)
    start[0] = 0;
  
  if (ex_int64_status(exoid) & EX_MAPS_INT64_API) {
    status = nc_put_vara_longlong(exoid, varid, start, count, map);
  } else {
    status = nc_put_vara_int(exoid, varid, start, count, map);
  }

  if (status != NC_NOERR) {
    exerrval = status;
    sprintf(errmsg,
            "Error: failed to store %s in file id %d",
	    ex_name_of_object(map_type),exoid);
    ex_err("ex_put_partial_num_map",errmsg,exerrval);
    return (EX_FATAL);
  }

  return (EX_NOERR);
}
