/*
 * Copyright(C) 1999-2020 National Technology & Engineering Solutions
 * of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
 * NTESS, the U.S. Government retains certain rights in this software.
 *
 * See packages/seacas/LICENSE for details
 */
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/
/* Function(s) contained in this file:
 *      ex_put_elem_map()
 *****************************************************************************
 * This function outputs the elemental map.
 *****************************************************************************
 *  Variable Index:
 *      exoid             - The NetCDF ID of an already open NemesisI file.
 *      elem_mapi        - Vector of internal element IDs.
 *      elem_mapb        - Vector of border element IDs.
 *      processor        - The processor ID for which info is to be read.
 */
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/

#include <exodusII.h>     // for ex_err, etc
#include <exodusII_int.h> // for EX_FATAL, DIM_NUM_BOR_ELEMS, etc

int ex_put_processor_elem_maps(int exoid, const void_int *elem_mapi, const void_int *elem_mapb,
                               int processor)
{
  char    ftype[2];
  int     status, dimid, varid;
  size_t  start[1], count[1];
  int64_t varidx[2];
  int     nmstat;

  char errmsg[MAX_ERR_LENGTH];
  /*-----------------------------Execution begins-----------------------------*/

  EX_FUNC_ENTER();
  if (exi_check_valid_file_id(exoid, __func__) == EX_FATAL) {
    EX_FUNC_LEAVE(EX_FATAL);
  }

  /* Get the file type */
  if (exi_get_file_type(exoid, ftype) != EX_NOERR) {
    snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: unable to find file type for file ID %d", exoid);
    ex_err_fn(exoid, __func__, errmsg, EX_BADPARAM);

    EX_FUNC_LEAVE(EX_FATAL);
  }

  /* Get the status of the internal element map */
  if ((status = nc_inq_varid(exoid, VAR_INT_E_STAT, &varid)) != NC_NOERR) {
    snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to find variable ID for \"%s\" in file ID %d",
             VAR_INT_E_STAT, exoid);
    ex_err_fn(exoid, __func__, errmsg, status);

    EX_FUNC_LEAVE(EX_FATAL);
  }

  if (ftype[0] == 's') {
    start[0] = processor;
  }
  else {
    start[0] = 0;
  }

  if ((status = nc_get_var1_int(exoid, varid, start, &nmstat)) != NC_NOERR) {
    snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to get variable \"%s\" from file ID %d",
             VAR_INT_E_STAT, exoid);
    ex_err_fn(exoid, __func__, errmsg, status);

    EX_FUNC_LEAVE(EX_FATAL);
  }

  if (nmstat == 1) {
    /* get the index */
    if (ex_get_idx(exoid, VAR_ELEM_MAP_INT_IDX, varidx, processor) == -1) {
      snprintf(errmsg, MAX_ERR_LENGTH,
               "ERROR: failed to find index variable, \"%s\", in file ID %d", VAR_ELEM_MAP_INT_IDX,
               exoid);
      ex_err_fn(exoid, __func__, errmsg, status);

      EX_FUNC_LEAVE(EX_FATAL);
    }

    if (varidx[1] == -1) {
      /* Get the size of the internal element map */
      if ((status = nc_inq_dimid(exoid, DIM_NUM_INT_ELEMS, &dimid)) != NC_NOERR) {
        snprintf(errmsg, MAX_ERR_LENGTH,
                 "ERROR: failed to find dimension ID for \"%s\" in file ID %d", DIM_NUM_INT_ELEMS,
                 exoid);
        ex_err_fn(exoid, __func__, errmsg, status);
        EX_FUNC_LEAVE(EX_FATAL);
      }

      if ((status = nc_inq_dimlen(exoid, dimid, count)) != NC_NOERR) {
        snprintf(errmsg, MAX_ERR_LENGTH,
                 "ERROR: failed to find length of dimension \"%s\" in file ID %d",
                 DIM_NUM_INT_ELEMS, exoid);
        ex_err_fn(exoid, __func__, errmsg, status);
        EX_FUNC_LEAVE(EX_FATAL);
      }

      varidx[1] = count[0];
    }

    if ((status = nc_inq_varid(exoid, VAR_ELEM_MAP_INT, &varid)) != NC_NOERR) {
      snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to find variable ID for \"%s\" in file ID %d",
               VAR_ELEM_MAP_INT, exoid);
      ex_err_fn(exoid, __func__, errmsg, status);
      EX_FUNC_LEAVE(EX_FATAL);
    }

    /* Output the map */
    start[0] = varidx[0];
    count[0] = varidx[1] - varidx[0];
    if (ex_int64_status(exoid) & EX_MAPS_INT64_API) {
      status = nc_put_vara_longlong(exoid, varid, start, count, elem_mapi);
    }
    else {
      status = nc_put_vara_int(exoid, varid, start, count, elem_mapi);
    }
    if (status != NC_NOERR) {
      snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to output variable \"%s\" in file ID %d",
               VAR_ELEM_MAP_INT, exoid);
      ex_err_fn(exoid, __func__, errmsg, status);
      EX_FUNC_LEAVE(EX_FATAL);
    }

  } /* End "if (nmstat == 1)" */

  /* Get the status of the border element map */
  if ((status = nc_inq_varid(exoid, VAR_BOR_E_STAT, &varid)) != NC_NOERR) {
    snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to find variable ID for \"%s\" in file ID %d",
             VAR_BOR_E_STAT, exoid);
    ex_err_fn(exoid, __func__, errmsg, status);

    EX_FUNC_LEAVE(EX_FATAL);
  }

  if (ftype[0] == 's') {
    start[0] = processor;
  }
  else {
    start[0] = 0;
  }

  if ((status = nc_get_var1_int(exoid, varid, start, &nmstat)) != NC_NOERR) {
    snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to get status for \"%s\" from file %d",
             VAR_BOR_E_STAT, exoid);
    ex_err_fn(exoid, __func__, errmsg, status);

    EX_FUNC_LEAVE(EX_FATAL);
  }

  if (nmstat == 1) {
    /* get the index */
    if (ex_get_idx(exoid, VAR_ELEM_MAP_BOR_IDX, varidx, processor) == -1) {
      snprintf(errmsg, MAX_ERR_LENGTH,
               "ERROR: failed to find index variable, \"%s\", in file ID %d", VAR_ELEM_MAP_BOR_IDX,
               exoid);
      ex_err_fn(exoid, __func__, errmsg, status);

      EX_FUNC_LEAVE(EX_FATAL);
    }

    if (varidx[1] == -1) {
      /* Get the size of the border element map */
      if ((status = nc_inq_dimid(exoid, DIM_NUM_BOR_ELEMS, &dimid)) != NC_NOERR) {
        snprintf(errmsg, MAX_ERR_LENGTH,
                 "ERROR: failed to find dimension ID for \"%s\" in file ID %d", DIM_NUM_BOR_ELEMS,
                 exoid);
        ex_err_fn(exoid, __func__, errmsg, status);
        EX_FUNC_LEAVE(EX_FATAL);
      }

      if ((status = nc_inq_dimlen(exoid, dimid, count)) != NC_NOERR) {
        snprintf(errmsg, MAX_ERR_LENGTH,
                 "ERROR: failed to find length of dimension \"%s\" in file ID %d",
                 DIM_NUM_BOR_ELEMS, exoid);
        ex_err_fn(exoid, __func__, errmsg, status);
        EX_FUNC_LEAVE(EX_FATAL);
      }

      varidx[1] = count[0];
    }

    if ((status = nc_inq_varid(exoid, VAR_ELEM_MAP_BOR, &varid)) != NC_NOERR) {
      snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to find variable ID for \"%s\" in file ID %d",
               VAR_ELEM_MAP_BOR, exoid);
      ex_err_fn(exoid, __func__, errmsg, status);
      EX_FUNC_LEAVE(EX_FATAL);
    }

    /* Output the map */
    start[0] = varidx[0];
    count[0] = varidx[1] - varidx[0];
    if (ex_int64_status(exoid) & EX_MAPS_INT64_API) {
      status = nc_put_vara_longlong(exoid, varid, start, count, elem_mapb);
    }
    else {
      status = nc_put_vara_int(exoid, varid, start, count, elem_mapb);
    }
    if (status != NC_NOERR) {
      snprintf(errmsg, MAX_ERR_LENGTH, "ERROR: failed to output variable \"%s\" in file ID %d",
               VAR_ELEM_MAP_BOR, exoid);
      ex_err_fn(exoid, __func__, errmsg, status);
      EX_FUNC_LEAVE(EX_FATAL);
    }
  } /* End "if (nmstat == 1)" */
  EX_FUNC_LEAVE(EX_NOERR);
}
