#!/usr/local/bin/perl -wT
##!/home/bradford/bin/perl -wT
##!/home/bradford/bin/perl -wT
##!/usr/bin/perl -wT
#
# TWiki WikiClone (see TWiki.pm for $wikiversion and other info)
#
# Copyright (C) 1999-2001 Peter Thoeny, peter@thoeny.com
# Shawn Bradford 20011010 Initial design
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details, published at 
# http://www.gnu.org/copyleft/gpl.html

use CGI::Carp qw(fatalsToBrowser);
use CGI;
use File::Copy; # FIXME remove
use lib ( '.' );
use lib ( '../lib' );
use TWiki;

$query = new CGI;

##### for debug only: Remove next 3 comments (but redirect does not work)
#open(STDERR,'>&STDOUT'); # redirect error to browser
$| = 1;                  # no buffering
#TWiki::writeHeader( $query );

&main();

# =========================
sub handleError
{
    my( $noredirect, $message, $query, $theWeb, $theTopic, 
        $theOopsTemplate, $oopsArg1, $oopsArg2 ) = @_;
    
    if( $noredirect ) {
        $oopsArg1 = "" if( ! $oopsArg1 );
        $oopsArg2 = "" if( ! $oopsArg2 );
        &TWiki::writeHeader( $query );
        print "ERROR $theWeb.$theTopic $message $oopsArg1 $oopsArg2\n";
    } else {
	my $url = &TWiki::getOopsUrl( $theWeb, $theTopic, $theOopsTemplate, $oopsArg1, $oopsArg2 );
	TWiki::redirect( $query, $url );
    }
}


# =========================
sub main {
    my $thePathInfo = $query->path_info(); 
    my $theRemoteUser = $query->remote_user();
    my $theTopic = $query->param( 'topic' );
	my $template = $query->param( 'template' || "");
	my $tableName = $query->param( 'tableName' || "");
	my $name = $query->param( 'name' || "");
    my $theUrl = $query->url;
	my $deleteElement = $query->param( 'deleteElement' );
	my $copyElement = $query->param( 'copyElement' );
    my $noredirect = $query->param( 'noredirect' ) || "";
    
    ( $topic, $webName, $dummy, $userName ) = 
		&TWiki::initialize( $thePathInfo, $theRemoteUser, $theTopic, $theUrl, $query );
    $dummy = "";  # to suppress warning
	
    my $wikiUserName = &TWiki::userToWikiName( $userName );
	
    if( ! &TWiki::Store::webExists( $webName ) ) {
        handleError( $noredirect, "Missing Web", $query, $webName, $topic, "oopsnoweb" );
        return;
    }
	
    my( $mirrorSiteName, $mirrorViewURL ) = &TWiki::readOnlyMirrorWeb( $webName );
    if( $mirrorSiteName ) {
        handleError( $noredirect, "This is a readonly mirror", 
					 $query, $webName, $topic, "oopsmirror", $mirrorSiteName, $mirrorViewURL );
        return;
    }
	
    # check access permission
    if( ! &TWiki::Access::checkAccessPermission( "change", $wikiUserName, "", $topic, $webName ) ) {
        handleError( $noredirect, "No change permission", $query, $webName, $topic, "oopsaccesschange" );
        return;
    }
	
    my $filePath = $query->param( 'filepath' ) || "";
    my $fileName = $query->param( 'filename' ) || "";
    if ( $filePath && ! $fileName ) {
        $filePath =~ m|([^/\\]*$)|;
		$fileName = $1;
	}

	# Need to cycle through the fieldDefs and query the parameters to fill the
	# the associative array
	my @fieldsInfo = &TWiki::Form::getFormDef( $webName, $template );
	my @fieldElements = ();

	# Name is name based upon a unique time-stamp. This is based to the editTable.tmpl
	# and is transparent to the user. This removes the constraint of unique first columns.
	my $sortName = $name;

	if ( $copyElement ) { #Give unique table element keys for copied elements
		$sortName = time;
	}

	my $firstEntry = 1;
	foreach my $c ( @fieldsInfo ) {
		my @fieldInfo = @$c;
		my $entryName = shift @fieldInfo;
		my $title     = shift @fieldInfo;
		my $type      = shift @fieldInfo;
		my $size      = shift @fieldInfo;
		my $tableEntry= $query->param( $entryName );
		my $cvalue    = "";

		## Puts default text "---" for first entry
		if ( ($firstEntry == 1) && ($tableEntry == "") ) {
			$tableEntry = "---";
			$firstEntry = 0;
		}

		# Takes care of special checkbox entry (Form.pm -- line : 376) 
		if( ! $tableEntry && $type =~ "^checkbox" ) {
          foreach my $name ( @fieldInfo ) {
             $cvalue = $query->param( "$entryName" . "$name" );
             if( defined( $cvalue ) ) {
                 if( ! $tableEntry ) {
                     $tableEntry = "";
                 } else {
                     $tableEntry .= ", " if( $cvalue );
                 }
                 $tableEntry .= "$name" if( $cvalue );
             }
          }
       }

		push @fieldElements, ( "$entryName" => TWiki::Plugins::TablePlugin::carriageReturnConvert( $tableEntry ) );
	}
	push @fieldElements, ( "name" => TWiki::Plugins::TablePlugin::stringConvert( $sortName ) );

    # JET need to change windows path to unix path
    $tmpFilename =~ s@\\@/@go;
    $tmpFilename =~ /(.*)/;
    $tmpFilename = $1;
    #&TWiki::writeDebug( "upload: tmpFilename $tmpFilename" );
    
    my( $fileSize, $fileUser, $fileDate, $fileVersion ) = "";
		
	# update topic
	my( $meta, $text ) = &TWiki::Store::readTopic( $webName, $topic );
		
	# Remove any elements that have spaces in the name. They will be added without spaces (This should be removed)
	if ( $sortName ne TWiki::Plugins::TablePlugin::stringConvert($sortName) ) {
		$meta->remove ( "TABLE", $sortName );
	}

	if ( $deleteElement ) {
		$meta->remove ( "TABLE", TWiki::Plugins::TablePlugin::stringConvert($sortName) );
    } else {
	  TWiki::Plugins::TablePlugin::updateTable ( $meta, $template, $tableName, @fieldElements );
    }
    
    my $error = &TWiki::Store::saveTopic( $webName, $topic, $text, $meta );
    if( $error ) {
    	handleError( $noredirect, "Save topic error", $query, $webName, $topic,
    	       "oopssaveerr", $error );
    } else {
        # and finally display topic
        if( $noredirect ) {
            &TWiki::writeHeader( $query );
            my $message = ( $doChangeProperties ) ? "properties changed" : "$fileName uploaded";
            print( "OK $message\n" );
        } else {
		  TWiki::redirect( $query, &TWiki::getViewUrl( "", $topic ) );
        }
    }
}
	
# EOF