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#  
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
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#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#  
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#  
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#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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#  specific language governing permissions and limitations
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#**************************************************************



package installer::environment;

use installer::exiter;
use installer::globals;

######################################################
# Create path variables from environment variables
######################################################

sub create_pathvariables
{
	my ($environment) = @_;

	my %variables = ();

	# The following variables are needed in the path file list
	# solarpath, solarenvpath, solarcommonpath, os, osdef, pmiscpath

	my $solarpath = $environment->{'SOLARVERSION'} . $installer::globals::separator . $installer::globals::compiler . $installer::globals::productextension;
	$variables{'solarpath'} = $solarpath;

	my $solarcommonpath = $environment->{'SOLARVERSION'} . $installer::globals::separator . "common" . $installer::globals::productextension;
	# my $solarcommonpath = $environment->{'SOLARVERSION'} . $installer::globals::separator . $environment->{'COMMON_OUTDIR'} . $installer::globals::productextension;
	$variables{'solarcommonpath'} = $solarcommonpath;	

	my $osdef = lc($environment->{'GUI'});
	$variables{'osdef'} = $osdef;	

	$variables{'os'} = $installer::globals::compiler;

	my $solarenvpath = "";

	if ( $ENV{'SO_PACK'} ) { $solarenvpath  = $ENV{'SO_PACK'}; }
	# overriding with STAR_INSTPATH, if set	
	if ( $ENV{'STAR_INSTPATH'} ) { $solarenvpath = $ENV{'STAR_INSTPATH'}; }

	$variables{'solarenvpath'} = $solarenvpath;	

	my $localpath  = $environment->{'LOCAL_OUT'};
	$variables{'localpath'} = $localpath;	

	my $localcommonpath  = $environment->{'LOCAL_COMMON_OUT'};
	$variables{'localcommonpath'} = $localcommonpath;	

	my $platformname  = $environment->{'OUTPATH'};
	$variables{'platformname'} = $platformname;	

	return \%variables;
}

##################################################
# Replacing tilde in pathes, because of
# problem with deep recursion (task 104830)
##################################################

sub check_tilde_in_directory
{
	if ( $ENV{'HOME'} )
	{
		my $home = $ENV{'HOME'};
		$home =~ s/\Q$installer::globals::separator\E\s*$//;
		$installer::globals::localinstalldir =~ s/~/$home/;
        $installer::logger::Lang->printf("Info: Changing LOCALINSTALLDIR to %s\n", $installer::globals::localinstalldir);
	}
	else
	{
		# exit, because "~" is not allowed, if HOME is not set
        $installer::logger::Lang->printf("ERROR: If \"~\" is used in \"LOCALINSTALLDIR\", environment variable \"HOME\" needs to be defined!\n");
		installer::exiter::exit_program("ERROR: If \"~\" is used in \"LOCALINSTALLDIR\", environment variable \"HOME\" needs to be defined!", "check_tilde_in_directory");
	}	
}

##################################################
# Setting some fundamental global variables.
# All these variables can be overwritten 
# by parameters.
##################################################

sub set_global_environment_variables
{
	my ( $environment ) = @_;
	
	$installer::globals::build = $environment->{'WORK_STAMP'};
	# $installer::globals::minor = $environment->{'UPDMINOR'};
	$installer::globals::compiler = $environment->{'OUTPATH'};

	if ( $ENV{'UPDMINOR'} ) { $installer::globals::minor = $ENV{'UPDMINOR'}; }
	if ( $ENV{'LAST_MINOR'} ) { $installer::globals::lastminor = $ENV{'LAST_MINOR'}; }

	if ( $ENV{'PROEXT'} ) { $installer::globals::pro = 1; }

	if ( $ENV{'VERBOSE'} && ( (lc $ENV{'VERBOSE'}) eq "false" ) ) { $installer::globals::quiet = 1; }
	if ( $ENV{'PREPARE_WINPATCH'} ) { $installer::globals::prepare_winpatch = 1; }
	if ( $ENV{'PREVIOUS_IDT_DIR'} ) { $installer::globals::previous_idt_dir = $ENV{'PREVIOUS_IDT_DIR'}; }
	if ( $ENV{'LOCALINSTALLDIR'} ) { $installer::globals::localinstalldir = $ENV{'LOCALINSTALLDIR'}; }
	if ( $ENV{'LOCALUNPACKDIR'} ) { $installer::globals::localunpackdir = $ENV{'LOCALUNPACKDIR'}; }
	if ( $ENV{'MAX_LANG_LENGTH'} ) { $installer::globals::max_lang_length = $ENV{'MAX_LANG_LENGTH'}; }

	if ( $ENV{'SOLAR_JAVA'} ) { $installer::globals::solarjavaset = 1; }
	if ( $ENV{'RPM'} ) { $installer::globals::rpm = $ENV{'RPM'}; }
	if ( $ENV{'DONTCOMPRESS'} ) { $installer::globals::solarisdontcompress = 1; }
	if ( $ENV{'IGNORE_ERROR_IN_LOGFILE'} ) { $installer::globals::ignore_error_in_logfile = 1; }
	if (( $ENV{'DISABLE_STRIP'} ) && ( $ENV{'DISABLE_STRIP'} ne '' )) { $installer::globals::strip = 0; }
	
	if ( $installer::globals::localinstalldir ) { $installer::globals::localinstalldirset = 1; }
	# Special handling, if LOCALINSTALLDIR contains "~" in the path
	if ( $installer::globals::localinstalldir =~ /^\s*\~/ ) { check_tilde_in_directory(); }
}

1;