#!/usr/bin/perl --
##
##
##
## perltidy -olq  -csc -csci=3 -cscl="sub : BEGIN END " -otr -opr -ce -nibc -i=4 -pt=0   "-nsak=*"
## perltidy -olq  -csc -csci=10 -cscl="sub : BEGIN END if " -otr -opr -ce -nibc -i=4 -pt=0   "-nsak=*"
#!/usr/bin/perl --
use strict;
use warnings;
use CGI ();
use CGI::Carp qw(warningsToBrowser fatalsToBrowser);

Main( @ARGV );
exit( 0 );

sub Main {

#~     return DebugCGI();
#~     return RootPage();
    return ToPsgi();
} ## end sub Main

sub ToPsgi {
    my $sub = CGI::Compile->compile( __FILE__ );
    my $app = CGI::Emulate::PSGI->handler( $sub );
    return $app;
} ## end sub ToPsgi

sub RootPage {
    my $q = CGI->new;
    print $q->header, RootTemplate( $q );
} ## end sub RootPage

sub RootTemplate {
    my( $q ) = @_;
    my @keys = $q->param();
    print $q->header;
    print "<center>";
    print $q->h1( 'Some title' );
    print "</center>";
    print $q->start_html( -title => 'Some title' );
    print $keys[0];
    print SomePage();
    print $q->end_form;
} ## end sub RootTemplate

sub SomePage {
    my $q = shift || CGI->new( {} );
    my $ret = join "\n",
      "<center>",
      $q->h3( 'Pick an option.' ), $q->end_form, "</center>", "<center>",
      $q->start_form(
        -name    => 'some_button',
        -method  => 'POST',
        -enctype => &CGI::URL_ENCODED,
      ),
      $q->submit(
        -name  => 'click_me',
        -value => 'Do something',
      ),
      $q->end_form,
      "</center>",
      ;
    return $ret;
} ## end sub SomePage

sub DebugCGI {
    my $cgi = CGI->new;
    binmode STDOUT, ':encoding(UTF-8)';
    $cgi->charset( 'UTF-8' );
    print $cgi->header( -charset => 'UTF-8' );
    print $cgi->start_html,
      $cgi->b( rand time, ' ', scalar gmtime ),
      '<table border="1" width="%100"><tr><td>',
      $cgi->Dump,
      '</td>',
      '<td><div style="white-space: pre-wrap; overflow: scroll;">',
      $cgi->escapeHTML( DD( $cgi ) ),
      '</div></td></tr></table>',
      CGI->new( \%ENV )->Dump,
      $cgi->end_html;
} ## end sub DebugCGI

sub DD {
    require Data::Dumper;
    return scalar Data::Dumper->new( \@_ )->Indent( 1 )->Useqq( 1 )->Dump;
} ## end sub DD