<?php

include_once('atrium_members.features.inc');

/**
 * Implementation of hook_enable().
 */
function atrium_members_enable() {
  // Spaces presets
  $default_presets = variable_get('spaces_default_presets', array());
  $default_presets['user'] = 'atrium_user_simple';
  variable_set('spaces_default_presets', $default_presets);
}

/**
 * Implementation of hook_block().
 */
function atrium_members_block($op = 'list', $delta = 0, $edit = array()) {
  switch ($op) {
    case 'list':
      return array('addform' => array('info' => t('User add form')));
    case 'view':
      if (atrium_members_addform_access()) {
        module_load_include('inc', 'atrium_members', 'atrium_members');
        $space = spaces_get_space();
        return array('subject' => t('Add existing users'), 'content' => drupal_get_form('atrium_members_addform', $space->group));
      }
      break;
  }
}

/**
 * Implementation of hook_theme().
 */
function atrium_members_theme() {
  return array(
    'atrium_members_addform' => array(
      'arguments' => array('form' => array()),
      'path' => drupal_get_path('module', 'atrium_members'),
      'file' => 'atrium_members.inc',
    ),
  );
}

/**
 * Implementation of hook_menu().
 */
function atrium_members_menu() {
  return array(
    'members/add/ajax' => array(
      'page callback' => 'atrium_members_addform_ajax',
      'page arguments' => array(),
      'access callback' => 'atrium_members_addform_access',
      'access arguments' => array(),
      'type' => MENU_CALLBACK,
      'file' => 'atrium_members.inc',
    ),
    'members/add/autocomplete' => array(
      'page callback' => 'atrium_members_autocomplete',
      'access callback' => 'user_access',
      'access arguments' => array('access user profiles'),
      'type' => MENU_CALLBACK,
      'file' => 'atrium_members.inc',
    ),
  );
}

/**
 * Implementation of hook_menu_alter().
 */
function atrium_members_menu_alter(&$items) {
  $dummy = array();
  $categories = atrium_members_user('categories', $dummy, $dummy);
  foreach ($categories as $category) {
    $item = $items['user/%user_category/edit/'. $category['name']];
    $item['page callback'] = 'drupal_get_form';
    $item['page arguments'] = array('atrium_members_user_profile_tab', 1, $category['name']);
    $item['module'] = 'atrium_members';
    $item['file'] = 'atrium_members.inc';
    $items['user/%user_category/edit/'. $category['name']] = $item;
  }

  // Clone ucreate item into members/user-add.
  if (isset($items['user/add'])) {
    $items['members/add'] = $items['user/add'];
    $items['members/add']['type'] = MENU_LOCAL_TASK;
    $items['members/add']['weight'] = 10;
  }

  // Views: disable views that we are 'overriding'
  $views_defaults = variable_get('views_defaults', array());
  $disabled = array(
    'og_members',
    'og_members_block',
    'og_members_faces',
  );
  $set = FALSE;
  foreach ($disabled as $view_name) {
    if (empty($views_defaults[$view_name])) {
      $set = TRUE;
      $views_defaults[$view_name] = TRUE;
    }
  }
  if ($set) {
    variable_set('views_defaults', $views_defaults);
  }

  // Replace the OG users callback.
  $items['og/users/%'] = array(
    'page callback' => 'atrium_members_og_users',
    'page arguments' => array(),
    'access callback' => TRUE,
    'access arguments' => array(TRUE),
    'type' => MENU_CALLBACK,
    'module' => 'atrium_members',
    'file' => 'atrium_members.inc',
  );
}

/**
 * Access callback for using the members addform.
 */
function atrium_members_addform_access() {
  $space = module_exists('spaces') ? spaces_get_space() : FALSE;
  return user_access('create users');
}

/**
 * Implementation of hook_context_links_alter().
 */
function atrium_members_context_links_alter(&$links) {
  if (context_get('context', 'members_directory') && module_exists('ucreate') && user_access('create users')) {
    $item = menu_get_item('members/add');
    if ($item['access']) {
      $links['atrium_users'] = array(
        'title' => $item['title'],
        'href' => $item['href'],
      );
    }
  }
}

/**
 * Implementation of hook_context_page_condition().
 * Good occasion to set the breadcrumb.
 */
function atrium_members_context_page_condition() {
  $account = menu_get_object('user');
  $account = $account ? $account : menu_get_object('user_uid_optional');
  $account = $account ? $account : menu_get_object('user_category');
  if ($account) {
    // Set the members context.
    context_set('context', 'members_section', context_load('members_section'));

    $breadcrumb = array(l(t('Home'), '<front>'));
    $item = menu_get_item('members');
    if ($item['access']) {
      $breadcrumb[] = l($item['title'], $item['href']);
    }
    $item = menu_get_item("user/{$account->uid}");
    if ($item['access']) {
      $breadcrumb[] = l($account->name, $item['href']);
    }
    drupal_set_breadcrumb($breadcrumb);
  }
  elseif (context_get('context', 'members_section')) {
    $breadcrumb = array(l(t('Home'), '<front>'));
    $item = menu_get_item('members');
    if ($item['access']) {
      $breadcrumb[] = l($item['title'], $item['href']);
    }
    drupal_set_breadcrumb($breadcrumb);

    // If not in a space, use wide layout.
    // @TODO: Reimplement user search filters/facets in the sidebar.
    $space = module_exists('spaces') ? spaces_get_space() : FALSE;
    if (!$space) {
      context_set('context', 'layout_wide', context_load('layout_wide'));
    }
  }
}

/**
 * Implementation of hook_form_alter() for user_profile_form.
 */
function atrium_members_form_user_profile_form_alter(&$form) {
  $dummy = array();
  $categories = atrium_members_user('categories', $dummy, $dummy);
  foreach ($categories as $info) {
    if (!empty($form[$info['name']])) {
      $form[$info['name']]['#access'] = FALSE;
    }
  }
  $form['comment_settings']['#type'] = 'hidden';
}

/**
 * Implementation of hook_user().
 */
function atrium_members_user($op, &$edit, &$account, $category = NULL) {
  switch ($op) {
    case 'categories':
      $categories = array();
      // Check that user pictures are enabled.
      if (variable_get('user_pictures', 0)) {
        $categories['picture'] = array(
          'name' => 'picture',
          'title' => t('Picture'),
          'weight' => 10,
        );
      }
      // Check that user can select a theme and that there are options for her to select from.
      if (user_access('select different theme')) {
        $enabled = array();
        foreach (list_themes() as $theme) {
          if ($theme->status && !empty($theme->info['atrium'])) {
            $enabled[] = $theme;
          }
        }
        if (count($enabled) > 1) {
          $categories['theme_select'] = array(
            'name' => 'theme_select',
            'title' => t('Theme settings'),
            'weight' => 10,
          );
        }
      }
      return $categories;
  }
}

/**
 * Implementation of hook_atrium_admin_links_alter().
 */
function atrium_members_atrium_admin_links_alter(&$links, $space) {
  if (spaces_access_admin() && user_access('create users') && ($item = menu_get_item('members/all')) && $item['access']) {
    $links['members'] = array('title' => t('Members'), 'href' => $item['href']);
  }
}