#include <limits.h>

#include "../include/easycsv.h"
#include "easycsv_error.h"

/* void */
/* _easycsv_printerror(const _easycsv *_priv, */
/* 		    const EASYCSV_ERROR error) */
/* {  */
/*   switch (_priv->error) { */
/*   case EASYCSV_ERROROFF: return; */
/*   case EASYCSV_ERRORSTDOUT: _easycsv_geterror(_priv, error, stdout); break; */
/*   case EASYCSV_ERRORSTDERR:  */
/*   default: _easycsv_geterror(_priv, error, stderr); return; */
/*   } */
/* } */

static char s_error_msg[SCHAR_MAX];

void
easycsv_error(EASYCSV_ERROR error,
	      const char *error_msg)
{
  switch (error) {
  case EASYCSV_NOERROR: sprintf(s_error_msg, "no error"); return;
  case EASYCSV_NULLCSV: sprintf(s_error_msg, "easycsv pointer is NULL"); return;
  case EASYCSV_NULLPTR: sprintf(s_error_msg, "pointer is NULL"); return;
  case EASYCSV_EMPTYSTRING: sprintf(s_error_msg, "string is empty"); return;
  case EASYCSV_EMPTYVALUE: sprintf(s_error_msg, "value in CSV file is empty"); return;
  case EASYCSV_OVERMAXROW: sprintf(s_error_msg, "int exceeds row limit of %s", error_msg); return;
  case EASYCSV_OVERMAXCOL: sprintf(s_error_msg, "int exceeds column limit of %s", error_msg); return;
  case EASYCSV_ZEROROW: sprintf(s_error_msg, "parameterised row number is zero"); return;
  case EASYCSV_ZEROCOL: sprintf(s_error_msg, "parameterised column number is zero"); return;
  case EASYCSV_MEMALLOC: sprintf(s_error_msg, "memory allocation failure"); return;

  case EASYCSV_UNKNOWNIOMODE: sprintf(s_error_msg, "unknown file IO mode"); return;
  case EASYCSV_OPENFAIL: sprintf(s_error_msg, "failed to open file"); return;
  case EASYCSV_REOPENFAIL: sprintf(s_error_msg, "failed to reopen file"); return;
  case EASYCSV_EMPTYCSV: sprintf(s_error_msg, "CSV file is empty"); return;
  case EASYCSV_UNWRITABLE: sprintf(s_error_msg, "CSV file is not in a writable mode"); return;
  case EASYCSV_UNREADABLE: sprintf(s_error_msg, "CSV file is not in a readable mode"); return;
  case EASYCSV_UPDATEFAIL: sprintf(s_error_msg, "CSV file has failed to update"); return;
  case EASYCSV_UPDATETEMPFAIL: sprintf(s_error_msg, "failed to update temp CSV file"); return;
  case EASYCSV_FILEPTRFAIL: sprintf(s_error_msg, "failed to move FILE pointer"); return;

  case EASYCSV_ROWNOTEXIST: sprintf(s_error_msg, "given row does not exist"); return;
  case EASYCSV_COLNOTEXIST: sprintf(s_error_msg, "given column does not exist"); return;

  case EASYCSV_PUSHCOLFAIL: sprintf(s_error_msg, "failed to push value under column"); return;
  case EASYCSV_COLNUMFAIL: sprintf(s_error_msg, "failed to determine the column number of a value in the first row"); return;
  case EASYCSV_FINDVALUEFAIL: sprintf(s_error_msg, "cannot find the value %s", error_msg); return;
  default: sprintf(s_error_msg, "unknown error"); return;
  }
}

char*
easycsv_get_error()
{
  return s_error_msg;
}