#**************************************************************
#
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  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
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#  KIND, either express or implied.  See the License for the
#  specific language governing permissions and limitations
#  under the License.
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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 paths, 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;