#!/usr/bin/perl -w

use CGI::FormBuilder;

my $docroot = '../build/html';

# TODO: check if protocol-agnostic URL works
my $webroot = 'https://stadsvandring.dk/book-form';
my $req_path = $docroot . '/book/index.tmpl';
my $ack_path = $docroot . '/book/thanks/index.html';

my $webmaster = 'webmaster@stadsvandring.dk';
my $frontdesk = 'stadsvandring@stadsvandring.dk';
my $helpdesk = 'webmaster@stadsvandring.dk';

# Set this to 1 for a separate confirmation page
my ($confirm) = 1;

# Built-in email validation is too simplistic
my $valid_email = '/^[+_A-Za-z0-9-]+(\.[+_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9-]+)*(\.[_A-Za-z0-9-]+)$/';

my $form = CGI::FormBuilder->new(
	lang => 'sv',
	title => 'Din næste stadsvandring',
	method => 'POST',
	fields => [qw/
		requests
		places
		time
		size
		name
		org
		email
		addr
		misc
	/],
	validate => {
		email => $valid_email,
		_email => $valid_email, #fake check to silence warning of variable used only once
	},
	required => [qw/
		name
		email
		requests
	/],
	messages => ':sv_SE',
#	submit => ['Submit'],
	action => $webroot, #avoids loosing submitted values when redirected from other site
);

$form->field(
	name => 'requests',
	label => 'Önskemål om tur',
	type => 'textarea',
	rows => 3,
);
$form->field(
	name => 'places',
	label => 'Önskemål om start och– slut på turenlokalitet',
	type => 'textarea',
	rows => 3,
);
$form->field(
	name => 'time',
	label => 'Datum och tid',
);
$form->field(
	name => 'size',
	label => 'Gruppstorlek',
);
$form->field(
	name => 'name',
	label => 'Namn',
);
$form->field(
	name => 'org',
	label => 'Företag eller institution',
);
$form->field(
	name => 'email',
	label => 'Mailadress',
);
$form->field(
	name => 'addr',
	label => 'Adress och telefonnummer',
	type => 'textarea',
	rows => 3,
);
$form->field(
	name => 'misc',
	label => 'Andra upplysningar om gruppen och andra önskemål om turen',
	type => 'textarea',
	rows => 6,
);

my ($form_required_text) = $form->{opt}{messages}{form_required_text};
my ($mail_from) = $webmaster;
my ($mail_to, $mail_subject);

if ($form->submitted) {
	$infostring = "Tak for din booking-ansøgning ved stadsvandring.dk - du vil snarest blive kontaktet!";
	if ($form->validate) {
		$mail_to = $frontdesk;
		$mail_subject = 'stadsvandring.dk booking-ansøgning';
	} else {
		$mail_to = "$frontdesk, $helpdesk";
		$mail_subject = 'FEL i stadsvandring.dk booking-ansökan';
		$infostring .= "\n<P>NB! Det var en FEL i en eller flere af telterne. Din ansökan blev sendt alligevel, men vi anbefaler at du checker igen at blanketten er korrekt udfyldt og sender den igen.";
		$confirm = 0;
	};
	# Abuse subject to add additional headers
#	$mail_subject .= "\n" . 'Content-Type: text/plain; charset="ISO-8859-1";';
#	$mail_subject .= "\n" . 'Content-Transfer-Encoding: 8bit';
	$form->mailresults(
		to	=> $mail_to,
		from	=> $mail_from,
		subject	=> "$mail_subject",
	);
	if ($confirm) {
		$infostring .= "\n<P>Følgende informationer blev sendt:";
		$form->{opt}{messages}{form_confirm_text} = "$infostring";
		print $form->confirm(
			header		=> 1,
			template	=> $ack_path
		);
	} else {
		printhack( $form->render(
			header		=> 1,
			sticky		=> (! $form->validate),
#FIXME			text		=> $infostring,
			template	=> $req_path
		));
	}
} elsif ($ENV{'FORMBUILDER_NOHEADER'}) {
	printhack( $form->render(
		header		=> 0,
		template	=> $req_path
	));
} else {
	printhack( $form->render(
		header		=> 1,
		template	=> $req_path
	));
}

# fix charset in header
sub printhack {
	$_ = shift;
	s,charset=\Kiso\-8859\-1,utf-8,;
	print $_;
}