<?php

/**
 * Implementation of hook_captcha().
 */
function captcha_mollom_integration_captcha($op, $captcha_type='') {
  switch ($op) {
    case 'list':
      return array('Mollom CAPTCHA');
    case 'generate':
      if ($captcha_type == 'Mollom CAPTCHA') {
        $captcha = array();
        // The solution is unknown here, but we wont use this anyway.
        $captcha['solution'] = 'dummy';
        $captcha['form']['mollom'] =
          $form['mollom'] = array(
          '#type' => 'mollom',
          '#mode' => MOLLOM_MODE_CAPTCHA,
        );
        $captcha['captcha_validate'] = 'captcha_mollom_integration_validate';
        return $captcha;
      }
      break;
  }
}

function captcha_mollom_integration_validate($solution, $response, $element, $form_state) {
  return $form_state['mollom']['#passed_captcha'];
}