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package installer::scpzipfiles;

use installer::files;
use installer::globals;
use installer::logger;
use installer::pathanalyzer;
use installer::systemactions;

use strict;

########################################################################################
# Replacing all zip list variables in setup script and files with flag scpzip_replace
########################################################################################

sub replace_all_ziplistvariables_in_file ($$)
{
	my ($lines, $variables) = @_;

    my $count = scalar @$lines;
	for (my $lineno=0; $lineno<$count; ++$lineno)
	{
        my $line = $lines->[$lineno];
		if ($line =~ /\$\{/)  # early rejection of lines that don't need replacements
		{
            while (my ($key,$value) = each %$variables)
			{
				my $pattern = '${' . $key . '}';
				my $replacement_count = ($line =~ s/\Q$pattern\E/$value/g);
                if ($key eq "PRODUCTADDON" && $replacement_count>0)
                {
                    $installer::logger::Lang->printf(
                        "replaced PRODUCTADDON %d times in line %d\n",
                        $replacement_count,
                        $lineno);
                }
			}
            $lines->[$lineno] = $line;
		}
	}
}

########################################################################################
# Replacing all zip list variables in rtf files. In rtf files
# the brackets are masked.
########################################################################################

sub replace_all_ziplistvariables_in_rtffile ($$)
{
	my ($lines, $variables) = @_;

    my $line_count = scalar @$lines;
	for (my $i=0; $i<=$line_count; ++$i)
	{
		my $line = $lines->[$i];

		if ($line =~ /\$\\\{/) # early rejection of lines without variable references
		{
            while (my ($key, $value) = each (%$variables))
			{
                my $pattern = '$\{' . $key . '\}';
				$line =~ s/\Q$key\E/$value/g;

			}
            $lines->[$i] = $line;
		}
	}
}

#########################################################
# Analyzing files with flag SCPZIP_REPLACE
# $item can be "File" or "ScpAction"
#########################################################

sub resolving_scpzip_replace_flag
{
	my ($filesarrayref, $variableshashref, $item, $languagestringref) = @_;
	
	my $diritem = lc($item);

	my $replacedirbase = installer::systemactions::create_directories("replace_$diritem", $languagestringref);

	installer::logger::include_header_into_logfile("$item with flag SCPZIP:");

	for ( my $i = 0; $i <= $#{$filesarrayref}; $i++ )
	{
		my $onefile = ${$filesarrayref}[$i];
		my $styles = "";

		if ( $onefile->{'Styles'} ) { $styles = $onefile->{'Styles'}; }
	
		if ( $styles =~ /\bSCPZIP_REPLACE\b/ )
		{
			# Language specific subdirectory

			my $onelanguage = $onefile->{'specificlanguage'};
			
			if ($onelanguage eq "")
			{
				$onelanguage = "00";	# files without language into directory "00"
			}
			
			my $replacedir = $replacedirbase . $installer::globals::separator . $onelanguage . $installer::globals::separator; 
			installer::systemactions::create_directory($replacedir);	# creating language specific directories

			# copy files and edit them with the variables defined in the zip.lst
			
			my $longfilename = 0;
			
			my $onefilename = $onefile->{'Name'};
			my $sourcepath = $onefile->{'sourcepath'};
			
			if ( $onefilename =~ /^\s*\Q$installer::globals::separator\E/ )	# filename begins with a slash, for instance /registry/schema/org/openoffice/VCL.xcs
			{
				$onefilename =~ s/^\s*\Q$installer::globals::separator\E//;
				$longfilename = 1;
			}
			
			my $destinationpath = $replacedir . $onefilename;  
			my $movepath = $destinationpath . ".orig";

			if ( $longfilename )	# the destination directory has to be created before copying
			{
				my $destdir = $movepath;
				installer::pathanalyzer::get_path_from_fullqualifiedname(\$destdir);
				installer::systemactions::create_directory_structure($destdir);
			}

			my $copysuccess = installer::systemactions::copy_one_file($sourcepath, $movepath);

			if ( $copysuccess )
			{
				# Now the file can be edited
				# ToDo: How about binary patching?

				my $onefileref = installer::files::read_file($movepath);
				replace_all_ziplistvariables_in_file($onefileref, $variableshashref);
				installer::files::save_file($destinationpath ,$onefileref);
			}

			# Saving the original source, where the file was found
			$onefile->{'originalsourcepath'} = $onefile->{'sourcepath'};
	
			# Writing the new sourcepath into the hashref, even if it was no copied
				
			$onefile->{'sourcepath'} = $destinationpath;
		}
	}

    $installer::logger::Lang->printf("\n");
}

1;