<?php
  // $Id$

/**
 * Implementation of hook_help().
 */
function authfas_help($path, $arg) {
  $output = '';
  switch ($path) {
  case "admin/help#authfas":
    $output = '<p>'.  t("Authentication to the Fedora Account System (FAS)") .'</p>';
    $output .= '<p><em>'. t("Note that this module doesn't actually function yet.") .'</em></p>';
    break;
  }
  return $output;
} // function authfas_help

/**
 * Implementation of hook_perm().
 */
function authfas_perm() {
  return array('administer FAS settings');
} // function authfas_perm()

/**
 * Implementation of hook_block().
 */
function authfas_block($op = 'list', $delta = 0, $edit = array()) {
  // DUMMY
  if ($op == "list") {
    $block = array();
    $block[0]["info"] = t('AuthFAS success');
    return $block;
  }
  else if ($op == "view") {
    $fasurl = variable_get('authfas_fasurl', 'WHOOPS');
    $block_content = '';
    $block_content .= $fasurl;

    $block = array();
    $block['subject'] = 'FAS URL';
    $block['content'] = $block_content;
    return $block;
  }
}

/**
 * Implementation of hook_admin().
 */
function authfas_admin() {
  $form = array();

  $form['authfas_fasurl'] = array(
    '#type' => 'textfield',
    '#title' => t('Location of FAS instance'),
    '#default_value' => variable_get('authfas_fasurl', 'admin.fedoraproject.org/accounts'),
    '#size' => 50,
    '#maxlength' => 255,
    '#description' => t('The location of the FAS instance to which users can authenticate'),
    '#required' => TRUE,
  );

  // We have a required setting for the Authenticated User role.
  $form['authfas_authuser_fasgroup'] = array(
					     '#type' => 'textfield',
					     '#title' => t('FAS group for authenticated users'),
					     '#default_value' => variable_get('authfas_authuser_fasgroup', ''),
					     '#size' => 50,
					     '#maxlength' => 255,
					     '#description' => t('To authenticate when this module is enabled, a user must be a member of this FAS group.'),
					     '#required' => TRUE,
					     );

  $form['authfas_more_information'] = array(
					    '#type' => 'item',
					    '#title' => t('More information'),
					    '#description' => t('Visit the <a href="@roles">Roles</a> settings page to set FAS group mappings for specific roles.', array('@roles' => url('admin/user/roles'))),
					    );

  return system_settings_form($form);
}

/**
 * Implementation of hook_menu().
 */
function authfas_menu() {
  $items = array();

  $items['admin/settings/authfas'] = array(
					   '#title' => 'AuthFAS module settings',
					   '#description' => 'Settings for authenticating to a FAS instance',
					   '#page_callback' => 'drupal_get_form',
					   '#page_arguments' => array('authfas_admin'),
					   '#access_arguments' => array('access administration pages'),
					   '#type' => MENU_NORMAL_ITEM,
					   );

  return $items;
}

/**
 * Validate settings entered in AuthFAS settings menu
 */
  function authfas_admin_validate($form, &$form_state) {
  // This is where we would validate the menu settings above
  // http://drupal.org/node/206761
  return TRUE;
}

function user_admin_role_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == "user_admin_role") {
    form['foo'] = array('#title' => t('FOO'),);
  }
}