use strict;
use Module::Build;
use File::Find;

print( '*' x 80, "\n" );
print( "Gantry Framework\n" );
print( '*' x 80, "\n" );

my $subclass = Module::Build->subclass(
    class   => 'My::Builder',
    code    => &_custom_code(),
);

# collect web files
my( %web_dirs, @web_dirs );

find( \&wanted, 'root' );

sub wanted {

    my $dir = $File::Find::dir;
    $dir =~ s![^/]*/!!;

    next if $dir =~ /\.svn/;

    ++$web_dirs{ $dir };
}

push( @web_dirs, '/*.*' );
foreach my $k ( sort { $a cmp $b } keys %web_dirs ) {
    print "[web dir] $k\n";
    push( @web_dirs, ( $k . '/*.*' ) );
}
    
my $build = $subclass->new(
    web_files => \@web_dirs,
    build_web_directory => 'root',
    install_web_directories =>  { 
        'default' => '/usr/local/www/gantry',
        'prod'    => '/usr/local/www/gantry',
        'dev'     => '/usr/local/www/gantry',
        'tim'     => '/usr/local/www/gantry'
    },
    create_makefile_pl => 'passthrough',
    license            => 'perl',
    module_name        => 'Gantry',
    requires           => {
        'perl'                      => '5.8',
        'CGI::Simple'               => 0,
        'Date::Calc'                => 0,
        'Data::FormValidator'       => 0,
        'Template'                  => '2.0',
        'URI'                       => 0,
        'Data::UUID'                => 0,
        'DBI'                       => 0,
        'HTML::Prototype'           => 0,
        'Hash::Merge'               => 0,
        'File::Copy::Recursive'     => 0,
        'HTTP::Server::Simple::CGI' => 0,
        'Config::General'           => '2.31', 
        'JSON'                      => 0,
        'Sub::Install'              => 0,
        'HTML::SuperForm'           => 0,
        'Template::Plugin::HTML::SuperForm' => 0,
    },
    build_requires      => {
        'Test::More'          => 0,
        'Test::Exception'     => 0,
    },
    create_makefile_pl  => 'passthrough',
    script_files        => [ glob('bin/*') ],
    test_files          => [
        't/*.t',
        't/engine/*.t',
        't/plugins/*.t',
        't/utils/*.t',
        't/auth/*.t',
        't/conf/*.t',
        't/form/*.t',
        't/template/*.t',
    ],
#    'recursive_test_files' => 1,
);

my $default_template_path = $build->{ properties }
                                    { install_web_directories }
                                    { default };

eval {
    require Gantry::Init;
    $default_template_path = Gantry::Init->base_root();
};

print "\n\nGantry comes with a set of default templates that\n"
    . "need to be written to disk. A typical location for these\n"
    . "templates is your web server document root.\n\n";

my $template_path = $build->prompt(
    "Path for Gantry templates",
    $default_template_path,
);

$build->notes( install_web_directory => $template_path );

if ( not -d $template_path ) {
    my $make_path = $build->y_n(
        "$template_path does not exist, should I make it?",
        'n'
    );

    if ( $make_path ) {
        eval {  
            File::Path::mkpath( $template_path );
        };
        if ( $@ ) {
            $@ =~ s/ at .+?$//;
            print "Error: unable to create directory $template_path @_\n";
            $build->notes( install_web_directory => '__skip__' );
        }
    }
    else {
        $build->notes( install_web_directory => '__skip__' );
    }
}

$build->create_build_script;

sub _custom_code {

    return( q{

    sub ACTION_code {
        my $self = shift;
        $self->SUPER::ACTION_code();

        $self->add_build_element( 'web' );
        
        $self->process_web_files( 'web' );

    }

    sub ACTION_install {
        my $self = shift;
        
        my $p = $self->{properties};        
        
        my $initf = "$p->{install_sets}{site}{lib}/$p->{dist_name}/Init.pm";
                
        $self->SUPER::ACTION_install();

        my $tmpl_dir = $self->notes( 'install_web_directory' );
            
        if( $tmpl_dir && $tmpl_dir ne '__skip__' ) {

            # write Init.pm file with install options

            my $init_pkg = << "EO_INIT";
package Gantry::Init;
use strict;

sub base_root {
    return "$tmpl_dir";
}
1;

=head1 NAME

Gantry::Init - stores things the user provided to Build.PL during install

=head1 SYNOPSIS

    use Gantry::Init;
    my \$base_root = Gantry::Init->base_root();

=head1 Methods

=head2 base_root

Returns the local system path to Gantry's default templates.  This usually
becomes the last item in the Template Toolkit template path.

=head1 AUTHOR

Auto-generated by Build.PL

=cut

EO_INIT

            for my $dst ("blib/lib/Gantry/Init.pm", $initf) {
                my $orig_mode = (stat $dst)[2];
                my $rw_mode = 0666;
                chmod $rw_mode, $dst or die "Can't chmod $rw_mode $dst: $!";
                open( INIT_FILE, "> $dst" ) or die "$!";
                print INIT_FILE $init_pkg;
                close INIT_FILE;

                # restore the perms
                chmod $orig_mode, $dst or die "Can't chmod $orig_mode $dst: $!";
            } 

            eval {  
                # this should have been done during perl Build.PL
                if ( not -d $tmpl_dir ) {
                    File::Path::mkpath( $tmpl_dir );
                }
            };
            if ( $@ ) {
                print "Error: unable to create directory $tmpl_dir\n";
                $@ =~ s/ at .+?$//;
                die( "$@\n" );
            }
            
            my $blib_tmpl_dir = File::Spec->catdir(
                $self->blib, 'web', $p->{build_web_directory} 
            );  
            
            eval {
                require File::Copy::Recursive;
                import File::Copy::Recursive 'dircopy';

                $num = dircopy($blib_tmpl_dir, $tmpl_dir) || 0;
            };
            if ( $@ ) {
                print "\nError coping templates:\n";
                print $@ . "\n";
            }
            else {
                print "\n$num Gantry templates copied to $tmpl_dir\n";
            }
        }
        else {
            print "SKIPPING WEB CONTENT INSTALL\n";
        }
        
        print "\n";

    } # end ACTION_install

    sub process_web_files {
        my $self = shift;
        my $files = $self->find_web_files;
        return unless @$files;
        
        my $tmpl_dir = File::Spec->catdir($self->blib, 'web');
        File::Path::mkpath( $tmpl_dir );
        
        foreach my $file (@$files) {
            my $result = $self->copy_if_modified($file, $tmpl_dir) 
                or next;
            #$self->fix_shebang_line($result);
        }
    }

    sub find_web_files {
        my $self = shift;
        my $p = $self->{properties};
        my $b_tmpl_dir = $p->{build_web_directory};
        $b_tmpl_dir =~ s/\/$//g;

        if (my $files = $p->{web_files}) {
            if (  UNIVERSAL::isa($files, 'HASH') ) {
                my @files = [keys %$files];
                return( \@files );
            }
            
            my @files;
            foreach my $glob ( @$files ) {
                $glob = "$b_tmpl_dir/$glob";
                push( @files, glob( $glob ) );
            }       
            return( \@files );
            return( [ map $self->localize_file_path($_), @files ] );
            return( \@localized );
        } 
    }

    sub web_files {
        my $self = shift;
        for ($self->{properties}{web_files}) {
            $_ = shift if @_;
            return unless $_;
            
            # Always coerce into a hash
            return $_ if UNIVERSAL::isa($_, 'HASH');
            return $_ = {$_ => 1} unless ref();
            return { map {$_,1} @$_ };
        }
    }
    
    } ); # end return

} # end _custom_code