<?php
if(isset($_POST['submitted'])) {
 if(trim($_POST['contactVorname']) === '') {
  $vornameError = '*';
  $hasError = true;
 } else {
  $vorname = trim($_POST['contactVorname']);
 }

 if(trim($_POST['contactName']) === '') {
  $nameError = '*';
  $hasError = true;
 } else {
  $name = trim($_POST['contactName']);
 }

 if(trim($_POST['email']) === '')  {
  $emailError = '*';
  $hasError = true;
 } else if (!preg_match("/^[[:alnum:]][a-z0-9_.-]*@[a-z0-9.-]+\.[a-z]{2,4}$/i", trim($_POST['email']))) {
  $emailError = '*';
  $hasError = true;
 } else {
  $email = trim($_POST['email']);
 }

 if(trim($_POST['unternehmen']) === '') {
/*  $unternehmenError = '*';
  $hasError = true; */
 } else {
  $unternehmen = trim($_POST['unternehmen']);
 }

 if(trim($_POST['ort']) === '') {
/*  $ortError = '*';
  $hasError = true; */
 } else {
  $ort = trim($_POST['ort']);
 }

 if(trim($_POST['telefon']) === '') {
/*  $telefonError = '*';
  $hasError = true; */
 } else {
  $telefon = trim($_POST['telefon']);
 }

 if(trim($_POST['betreff']) === '') {
  $betreffError = '*';
  $hasError = true;
 } else {
  $betreff = trim($_POST['betreff']);
 }

 if(trim($_POST['comments']) === '') {
  $commentError = '*';
  $hasError = true;
 } else {
  if(function_exists('stripslashes')) {
   $comments = stripslashes(trim($_POST['comments']));
  } else {
   $comments = trim($_POST['comments']);
  }
 }

 if(!isset($hasError)) {
  $emailTo = get_option('tz_email');
  if (!isset($emailTo) || ($emailTo == '') ){
   $emailTo = get_option('admin_email');
  }
  $subject = 'Kontaktformular | '.$vorname.' '.$name;
  $body = "\n.: Kontaktformular-E-Mail :. \n\nName: $vorname $name \nE-Mail: $email \n\nUnternehmen: $unternehmen \nOrt: $ort \nTelefon: $telefon \n\nBetreff: $betreff \n\nNachricht: $comments";
  $headers = 'From: '.$vorname.' '.$name.' <'.$emailTo.'>' . "\r\n" . 'Reply-To: ' . $email;

  wp_mail($emailTo, $subject, $body, $headers);
  $emailSent = true;
 }

}
?>

<?php get_header(); ?>

 <?php if (have_posts()) : while (have_posts()) : the_post(); ?>

  <article class="post" id="post-<?php the_ID(); ?>">

  <h2 class="gross"><?php the_title(); ?></h2>

  <div id="inhalt">

   <div class="seitebeitrag">

   <?php if(isset($emailSent) && $emailSent == true) { ?>
   <div><p>Vielen Dank für die Nachricht. Wir melden uns so schnell wie möglich zurück.</p></div>
   <?php } else { ?>

  <?php the_content(); ?>

   <form action="<?php the_permalink(); ?>" id="contactForm" method="post">
   <div id="kf0">&nbsp;</div>
   <div id="kf1">
   <p><label for="contactVorname">Vorname *</label><br />
   <input type="text" name="contactVorname" id="contactVorname" value="<?php if(isset($_POST['contactVorname'])) echo $_POST['contactVorname'];?>" maxlength="50" />
   <?php if(!empty($vornameError)) { ?>
   <span class="fehler"><?=$vornameError;?></span>
   <?php } ?></p>

   <p><label for="contactName">Nachname *</label><br />
   <input type="text" name="contactName" id="contactName" value="<?php if(isset($_POST['contactName'])) echo $_POST['contactName'];?>" maxlength="50" />
   <?php if(!empty($nameError)) { ?>
   <span class="fehler"><?=$nameError;?></span>
   <?php } ?></p>

   <p><label for="email">E-Mail *</label><br />
   <input type="text" name="email" id="email" value="<?php if(isset($_POST['email']))  echo $_POST['email'];?>" maxlength="50" />
   <?php if(!empty($emailError)) { ?>
   <span class="fehler"><?=$emailError;?></span>
   <?php } ?></p>

   <p><label for="unternehmen">Unternehmen</label><br />
   <input type="text" name="unternehmen" id="unternehmen" value="" maxlength="50" /></p>

   <p><label for="ort">Ort</label><br />
   <input type="text" name="ort" id="ort" value="" maxlength="50" /></p>

   <p><label for="telefon">Telefon</label><br />
   <input type="text" name="telefon" id="telefon" value="" maxlength="50" /></p>
   </div>

   <div id="kf2">
   <p><label for="betreff">Betreff *</label><br />
   <input type="text" name="betreff" id="betreff" value="<?php if(isset($_POST['betreff']))  echo $_POST['betreff'];?>" maxlength="50" />
   <?php if(!empty($betreffError)) { ?>
   <span class="fehler"><?=$betreffError;?></span>
   <?php } ?></p>

   <p><label for="commentsText">Nachricht *</label><br />
   <textarea name="comments" id="commentsText" rows="20" cols="30"><?php if(isset($_POST['comments'])) { if(function_exists('stripslashes')) { echo stripslashes($_POST['comments']); } else { echo $_POST['comments']; } } ?></textarea>
   <?php if(!empty($commentError)) { ?>
   <span class="fehler"><?=$commentError;?></span>
   <?php } ?></p>
   <p>* Pflichtfelder</p>
   </div>

   <div id="kf3">
   <input type="submit" value="SENDEN" alt="senden" class="btn" /><br /><input type="hidden" name="submitted" id="submitted" value="true" />
   </div>

   <div id="kf4">
   <?php if(isset($hasError) || isset($captchaError)) { ?>
   <div><p class="error fehler">* ungültige oder fehlende Daten</p></div>
   <?php } ?></div>

   </form>