#!/usr/local/bin/perl -w

=head1 NAME

build_vcp_executable.pl

=head1 SYNOPSIS

    cd VCP
    bin\build_vcp_executable.pl

=head1 DESCRIPTION

Builds vcp binaries using PAR's pp command.  Make sure you have all the
VCP prereqs installed because pp silently won't include any not found.

=cut


use strict;
use lib "lib";

use VCP::Utils qw( scan_pm_files_in );
use VCP::TestUtils qw( run );

## VCP uses lazy loading extensively...
my @modules = sort( (
    scan_pm_files_in( "VCP"         ),
    scan_pm_files_in( "VCP::Source" ),
    scan_pm_files_in( "VCP::Filter" ),
    scan_pm_files_in( "VCP::Dest"   ),
    scan_pm_files_in( "VCP::Utils"  ),
    scan_pm_files_in( "VCP::UI"     ),
) );


my $exe_name = "vcp.exe";

if ( 1 ) {
    if ( -e $exe_name ) {
        unlink $exe_name or die $!;
    }

    my @cmd = (
        "pp",
    #    "-p", "-o", "vcp.par",
        "-o", $exe_name,
        "-lib=lib",
        map( "--add=$_", @modules ),
        "bin/vcp"
    );

    warn join( " ", @cmd ), "\n";

    system @cmd and die $!;
}

warn "Testing generated executable\n";

delete $ENV{$_} for grep /p4|perl/i, keys %ENV;

my $ok = 1;

{
    my $zip_list = "<NO WZUNZIP.EXE OUTPUT>\n";
    eval {
        run [ "wzunzip", "-v", $exe_name ], \undef, \$zip_list;
        warn "DB_File.pm not in $exe_name, patch the pp perl script\n"
            unless $zip_list =~ /DB_File\.pm/;
        1;
    } or do {
        $ok = 0;
        warn $@, $zip_list;
    }
}

unless ( -e "tmp" ) {
    mkdir "tmp" or die "$!: tmp/";
}

use File::Spec;
my $abs_exe_name = File::Spec->rel2abs( $exe_name );

chdir "tmp" or die "$!: tmp/";

{
    my $vcp_output = "<NO VCP.EXE OUTPUT>\n";
    eval {
        run [ $abs_exe_name, "help" ], \undef, \$vcp_output;
        1;
    } or do {
        $ok = 0;
        warn $@, $vcp_output;
    }
}

die "$exe_name fails test(s).\n" unless $ok;

print "$exe_name seems ok, please test in a real application.\n";