#!/usr/local/bin/perl

###############################################################################
# Program     : main.cgi
# Author      : Eric Deutsch <edeutsch@systemsbiology.org>
# $Id$
#
# Description : This program shows a users personal view of the data
#
# SBEAMS is Copyright (C) 2000-2005 Institute for Systems Biology
# This program is governed by the terms of the GNU General Public License (GPL)
# version 2 as published by the Free Software Foundation.  It is provided
# WITHOUT ANY WARRANTY.  See the full description of GPL terms in the
# LICENSE file distributed with this software.
#
###############################################################################


###############################################################################
# Set up all needed modules and objects
###############################################################################
use strict;
use Getopt::Long;
use FindBin;

use lib "$FindBin::Bin/../../lib/perl";
use vars qw ($sbeams $sbeamsMOD $q $current_contact_id $current_username
             $PROG_NAME $USAGE %OPTIONS $QUIET $VERBOSE $DEBUG $DATABASE
             $TABLE_NAME $PROGRAM_FILE_NAME $CATEGORY $DB_TABLE_NAME
             @MENU_OPTIONS);

use SBEAMS::Connection qw($q);
use SBEAMS::Connection::Settings;
use SBEAMS::Connection::Tables;

use SBEAMS::SNP;
use SBEAMS::SNP::Settings;
use SBEAMS::SNP::Tables;

$sbeams = new SBEAMS::Connection;
$sbeamsMOD = new SBEAMS::SNP;
$sbeamsMOD->setSBEAMS($sbeams);
$sbeams->setSBEAMS_SUBDIR($SBEAMS_SUBDIR);


#use CGI;
#$q = new CGI;


###############################################################################
# Set program name and usage banner for command like use
###############################################################################
$PROG_NAME = $FindBin::Script;
$USAGE = <<EOU;
Usage: $PROG_NAME [OPTIONS] key=value kay=value ...
Options:
  --verbose n         Set verbosity level.  default is 0
  --quiet             Set flag to print nothing at all except errors
  --debug n           Set debug flag

 e.g.:  $PROG_NAME [OPTIONS] [keyword=value],...

EOU

#### Process options
unless (GetOptions(\%OPTIONS,"verbose:s","quiet","debug:s")) {
  print "$USAGE";
  exit;
}

$VERBOSE = $OPTIONS{"verbose"} || 0;
$QUIET = $OPTIONS{"quiet"} || 0;
$DEBUG = $OPTIONS{"debug"} || 0;
if ($DEBUG) {
  print "Options settings:\n";
  print "  VERBOSE = $VERBOSE\n";
  print "  QUIET = $QUIET\n";
  print "  DEBUG = $DEBUG\n";
}


###############################################################################
# Set Global Variables and execute main()
###############################################################################
main();
exit(0);



###############################################################################
# Main Program:
#
# Call $sbeams->Authenticate() and exit if it fails or continue if it works.
###############################################################################
sub main {

  #### Do the SBEAMS authentication and exit if a username is not returned
  exit unless ($current_username = $sbeams->Authenticate(
    #permitted_work_groups_ref=>['SNP_user','SNP_admin',
    #  'SNP_readonly'],
    #connect_read_only=>1,
    #allow_anonymous_access=>1,
  ));


  #### Read in the default input parameters
  my %parameters;
  my $n_params_found = $sbeams->parse_input_parameters(
    q=>$q,parameters_ref=>\%parameters);
  #$sbeams->printDebuggingInfo($q);


  #### Process generic "state" parameters before we start
  $sbeams->processStandardParameters(parameters_ref=>\%parameters);


  #### Decide what action to take based on information so far
  if ($parameters{action} eq "???") {
    # Some action
  } else {
    $sbeamsMOD->display_page_header();
    handle_request(ref_parameters=>\%parameters);
    $sbeamsMOD->display_page_footer();
  }


} # end main



###############################################################################
# Handle Request
###############################################################################
sub handle_request {
  my %args = @_;


  #### Process the arguments list
  my $ref_parameters = $args{'ref_parameters'}
    || die "ref_parameters not passed";
  my %parameters = %{$ref_parameters};


  #### Define some generic varibles
  my ($i,$element,$key,$value,$line,$result,$sql);
  my @rows;


  #### Show current user context information
  $sbeams->printUserContext();

  my $html_ref = $sbeams->getMainPageTabMenu( cgi => $q );

  print qq~
  <BR>
  This system is still under active development.  Please be
  patient and report bugs, problems, difficulties, suggestions to
  <B>kdeutsch\@systemsbiology.org</B>.<P>
  <BR>
   
  $$html_ref
  ~;



  return;

} # end handle_request