#! perl
########################################################################
# COPYRIGHT - VIX IP PTY LTD ("VIX"). ALL RIGHTS RESERVED.
#
# Module name   : jats.sh
# Module type   : Makefile system
# Compiler(s)   : n/a
# Environment(s): jats
#
# Description   : Create TAR files for all packages provided in a given release
#
#                 Walk compete dependency tree to locate all inconsistient packages
#                 Locates packages in dpkg_archive/deploy_archive
#                 Creates TAR files for packages
#
#                 Currently hard coded to Phase 2.2 - Part 4
#
# Usage:
#
# Version   Who      Date        Description
#
#......................................................................#

require 5.006_001;
use strict;
use warnings;
use JatsError;
use JatsSystem;
use Getopt::Long;
use Pod::Usage;                             # required for help support
use JatsRmApi;

use DBI;

my $VERSION = "1.2.3";                      # Update this
my $opt_verbose = 1;
my $opt_help = 0;
my $opt_manual;
my $opt_rtag_id = 4081;                     # Phase 2.2 - Part 4
my $RM_DB;

#
#   Package information
#
my %Package;
my @StrayPackages;

#-------------------------------------------------------------------------------
# Function        : Main Entry
#
# Description     :
#
# Inputs          :
#
# Returns         :
#
my $result = GetOptions (
                "help+"     => \$opt_help,          # flag, multiple use allowed
                "manual"    => \$opt_manual,        # flag
                "verbose+"  => \$opt_verbose,       # flag
                "rtag_id=s"  => \$opt_rtag_id,       # string
                );

#
#   Process help and manual options
#
pod2usage(-verbose => 0, -message => "Version: $VERSION")  if ($opt_help == 1  || ! $result);
pod2usage(-verbose => 1)  if ($opt_help == 2 );
pod2usage(-verbose => 2)  if ($opt_manual || ($opt_help > 2));

ErrorConfig( 'name'    =>'PLAY13' );

Error ("No RTAGID specified") unless ( $opt_rtag_id );

getPkgDetailsByRTAG_ID($opt_rtag_id);
LocateStrays();
LocatePackages();
#DebugDumpData ("Package", \%Package );

exit;


sub getPkgDetailsByRTAG_ID
{
    my ($RTAG_ID) = @_;
    my $foundDetails = 0;
    my (@row);

    # if we are not or cannot connect then return 0 as we have not found anything
    connectRM(\$RM_DB) unless ( $RM_DB );

    # First get details from pv_id

    my $m_sqlstr = "SELECT pv.PV_ID, pkg.PKG_NAME, pv.PKG_VERSION, pv.PKG_LABEL, pv.SRC_PATH, pv.BUILD_TYPE" .
                    " FROM RELEASE_CONTENT rc, PACKAGE_VERSIONS pv, PACKAGES pkg" .
                    " WHERE rc.RTAG_ID = $RTAG_ID AND rc.PV_ID = pv.PV_ID AND pv.PKG_ID = pkg.PKG_ID";
    my $sth = $RM_DB->prepare($m_sqlstr);
    if ( defined($sth) )
    {
        if ( $sth->execute( ) )
        {
            if ( $sth->rows )
            {
                while ( @row = $sth->fetchrow_array )
                {
                    my $pv_id = $row[0];
                    my $name = $row[1];
                    my $ver = $row[2];
                    my $label = $row[3] || '';
                    my $path = $row[4] || '';

                    $path =~ tr~\\/~/~s;
#print "$row[5] --";
#printf ( "%40s %15s %50s %s\n",  $name, $ver, $label, $path);
#printf ( "copy e:\\%s\\%s .\n",  $name, $ver, $label, $path);
#print "$name $ver\n";
                    $Package{$name}{$ver}{done} = 1;
                    $Package{$name}{$ver}{base} = 1;
                    GetDepends( $pv_id, $name, $ver );
                }
            }
            $sth->finish();
        }
    }
    else
    {
        Error("Prepare failure" );
    }

#    $RM_DB->disconnect() || Error ("Disconnect failed");
}

#-------------------------------------------------------------------------------
# Function        : GetDepends
#
# Description     : Extract the dependancies for a given package version
#
# Inputs          : $pvid
#
# Returns         :
#
sub GetDepends
{
    my ($pv_id, $name, $ver ) = @_;

    #
    #   Now extract the package dependacies
    #
    my $m_sqlstr = "SELECT pkg.PKG_NAME, pv.PKG_VERSION, pd.DPV_ID" .
                   " FROM PACKAGE_DEPENDENCIES pd, PACKAGE_VERSIONS pv, PACKAGES pkg" .
                   " WHERE pd.PV_ID = \'$pv_id\' AND pd.DPV_ID = pv.PV_ID AND pv.PKG_ID = pkg.PKG_ID";
    my $sth = $RM_DB->prepare($m_sqlstr);
    if ( defined($sth) )
    {
        if ( $sth->execute( ) )
        {
            if ( $sth->rows )
            {
                while ( my @row = $sth->fetchrow_array )
                {
#                    print "$name ===== @row\n";
                    my $name = $row[0];
                    my $ver = $row[1];

                    unless ( exists $Package{$name}{$ver}{done} )
                    {
                        $Package{$name}{$ver}{needed} = 1;

                        my @DATA = ($name, $ver, $row[2]);
                        push @StrayPackages, \@DATA;
                    }
                }
            }
            $sth->finish();
        }
    }
    else
    {
        Error("GetDepends:Prepare failure" );
    }
}

#-------------------------------------------------------------------------------
# Function        : LocateStrays
#
# Description     :
#
# Inputs          :
#
# Returns         :
#
sub LocateStrays
{

    while ( $#StrayPackages >= 0 )
    {
        my $DATA = pop @StrayPackages;
        my $name = $DATA->[0];
        my $ver = $DATA->[1];
        my $pv_id = $DATA->[2];

        next if ( exists $Package{$name}{$ver}{done} );
        GetDepends(  $pv_id, $name, $ver );
        $Package{$name}{$ver}{done} = 1;
    }
}

#-------------------------------------------------------------------------------
# Function        : LocatePackages
#
# Description     :
#
# Inputs          :
#
# Returns         :
#
sub LocatePackages
{
    open (OFILE, ">", "logfile.txt") || Error("Cannot open output file: logfile.txt");
    foreach my $pkg ( sort keys %Package )
    {
        foreach my $ver ( sort keys %{$Package{$pkg}} )
        {
            my $pdir;
            my $found = 0;
            foreach my $var ( 'GBE_DPKG', 'GBE_DPLY' )
            {
                my $dir = $ENV{$var};
                next unless ( -d $dir );

                $pdir = "$dir/$pkg/$ver";
                next unless ( -d $pdir );
                $found = 1;
                $Package{$pkg}{$ver}{dir} = $dir;
                last;
            }
            if ( $found )
            {
                print "Processing: $pkg, $ver, $pdir\n";
                my $rv = TarItUp( $pkg, $ver, $pdir );
                print "Error Processing: $pkg, $ver, $pdir\n" if $rv;
                print OFILE "Error Processing: $pkg, $ver, $pdir\n" if $rv;
            }
            else
            {
                print "Not Found:, $pkg, $ver\n" unless $found;
                print OFILE "Not Found:, $pkg, $ver\n" unless $found;
            }
        }
    }

    foreach my $pkg ( sort keys %Package )
    {
        foreach my $ver ( sort keys %{$Package{$pkg}} )
        {
            next if ( $Package{$pkg}{$ver}{base} );

            print "Inconsistient package: $pkg, $ver\n";
            print OFILE "Inconsistient package: $pkg, $ver\n";
            
        }
    }

    close OFILE;
}

#-------------------------------------------------------------------------------
# Function        : TarItUp
#
# Description     : Tar up a package
#
# Inputs          : $1  Name
#                   $2  Version
#                   $3  Source Dir
# Returns         :
#
sub TarItUp
{
    my ( $pkg, $ver, $pdir ) = @_;

    #
    #   Generate an output name
    #
    my $tname = "${pkg}_${ver}";
    $tname =~ s~\s~_~g;
    $tname =~ tr~\\/~_~s;

    my $rv = System ("tar" , '-cEf', "$tname.tar", $pdir);
    return $rv;
}