/**********************************************************************
 *
 * recptconfig.cpp -- 
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * PUT COPYRIGHT NOTICE HERE
 *
 * $Id: recptconfig.cpp 165 1999-02-21 22:33:58Z rjmcnab $
 *
 *********************************************************************/

/*
   $Log$
   Revision 1.3  1999/02/21 22:33:57  rjmcnab

   Lots of stuff :-)

   Revision 1.2  1999/02/08 01:28:04  rjmcnab

   Got the receptionist producing something using the statusaction.

   Revision 1.1  1999/02/05 06:50:32  rjmcnab

   Initial revision.

 */


#include "recptconfig.h"
#include "fileutil.h"
#include "cfgread.h"


#if defined(GSDL_USE_OBJECTSPACE)
#  include <ospace/std/iostream>
#  include <ospace/std/fstream>
#elif defined(GSDL_USE_IOS_H)
#  include <iostream.h>
#  include <fstream.h>
#else
#  include <iostream>
#  include <fstream>
#endif


// reads site configuration file returning true on success
bool site_cfg_read (receptionist &recpt, const text_t &gsdlhome,
		     const text_t &collection, int &maxrequests) {

  maxrequests = 10000; // a reasonable default

  // Look for site.cfg in GSDLHOME/collect/collection-name/etc directory 
  // (if this is for a particular collection), and then GSDLHOME/etc.
  text_t filename;
  if (!collection.empty()) {
    filename = filename_cat (gsdlhome, "collect");
    filename = filename_cat (filename, collection);
    filename = filename_cat (filename, "etc");
    filename = filename_cat (filename, "site.cfg");
    if (!file_exists (filename)) filename.clear();
  }
  if (filename.empty()) {
    filename = filename_cat (gsdlhome, "etc");
    filename = filename_cat (filename, "site.cfg");
    if (!file_exists (filename)) return false;
  }

  // read in the site configuration file
  text_tarray cfgline;
  text_t key;
  char *cstr = filename.getcstr();
  ifstream confin (cstr);
  delete cstr;

  if (confin) {
    while (read_cfg_line(confin, cfgline) >= 0) {
      if (cfgline.size () >= 2) {
	key = cfgline[0];
	cfgline.erase(cfgline.begin());

	if (key == "maxrequests") {
	  maxrequests = cfgline[0].getint();
	  if (maxrequests < 1) maxrequests = 1;
	}

	// configure the receptionist
	recpt.configure (key, cfgline);
      }
    }
    confin.close ();
    return true;
  }
  return false;
}


// main_cfg_read reads either collect.cfg or main.cfg and returning 
// true on success. It attempts to read collect.cfg first if a
// collection is specified and then it tries to read in main.cfg
bool main_cfg_read (receptionist &recpt, const text_t &gsdlhome,
		     const text_t &collection) {
  // Look for site.cfg in GSDLHOME/collect/collection-name/etc directory 
  // (if this is for a particular collection), and then GSDLHOME/etc.
  text_t filename;
  if (!collection.empty()) {
    filename = filename_cat (gsdlhome, "collect");
    filename = filename_cat (filename, collection);
    filename = filename_cat (filename, "etc");
    filename = filename_cat (filename, "collect.cfg");
    if (!file_exists (filename)) {
      filename = filename_cat (gsdlhome, "etc");
      filename = filename_cat (filename, "collect.cfg");
      if (!file_exists (filename)) filename.clear();
    }
  }
  if (filename.empty()) {
    filename = filename_cat (gsdlhome, "etc");
    filename = filename_cat (filename, "main.cfg");
    if (!file_exists (filename)) return false;
  }

  // read in the main configuration file
  text_t key;
  text_tarray cfgline;
  char *cstr = filename.getcstr();
  ifstream confin (cstr);
  delete cstr;

  if (confin) {
    while (read_cfg_line(confin, cfgline) >= 0) {
      if (cfgline.size () >= 2) {
	key = cfgline[0];
	cfgline.erase(cfgline.begin());

	// configure the receptionist
	recpt.configure (key, cfgline);
      }
    }
    confin.close ();
    return true;
  }
  return false;
}