<?php
/**
 * @file
 * Functions related to general module functionality.
 *
 * @ingroup tripal_contact
 */

/**
 * @defgroup tripal_contact Contact Module
 * @ingroup tripal_modules
 * @{
 * Integrates the Chado Contact module with Drupal Nodes & Views
 * @}
 */

require_once 'api/tripal_contact.api.inc';
require_once 'api/tripal_contact.DEPRECATED.inc';

require_once 'theme/tripal_contact.theme.inc';

require_once 'includes/tripal_contact.admin.inc';
require_once 'includes/tripal_contact.chado_node.inc';

/**
 * Implements hook_views_api().
 * Essentially this hook tells drupal that there is views support for
 * for this module which then includes tripal_contact.views.inc where all the
 * views integration code is.
 *
 * @ingroup tripal_contact
 */
function tripal_contact_views_api() {
  return array(
      'api' => 3.0,
  );
}

/**
 * Implemets hook_menu().
 * Adds menu items for the tripal_contact module menu. This section
 * gives the outline for the main menu of the Tripal-contact module
 *
 * @return
 *   An array of menu items that is visible within the Drupal Menu, returned as soon
 *   as the program is ran
 *
 * @ingroup tripal_contact
 */
function tripal_contact_menu() {

  $items = array();

  $items['admin/tripal/chado/tripal_contact']= array(
    'title' => 'Contacts',
    'description' => ('Model persons, institutes, groups, organizations, etc.'),
    'page callback' => 'tripal_contact_admin_contact_view',
    'access arguments' => array('administer tripal contact'),
    'type' => MENU_NORMAL_ITEM
  );

  $items['admin/tripal/chado/tripal_contact/configuration'] = array(
    'title' => 'Settings',
    'description' => 'Integration of Chado contacts.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('tripal_contact_admin'),
    'access arguments' => array('administer tripal contact'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 5
  );

  $items['admin/tripal/chado/tripal_contact/help']= array(
    'title' => 'Help',
    'description' => ('Help with the contact module.'),
    'page callback' => 'theme',
    'page arguments' => array('tripal_contact_help'),
    'access arguments' => array('administer tripal contact'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 10
  );

  $items['admin/tripal/chado/tripal_contact/sync'] = array(
    'title' => ' Sync',
    'description' => 'Sync contacts in Chado with Drupal',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('tripal_contact_sync_form'),
    'access arguments' => array('administer tripal contact'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 0
  );

  $items['admin/tripal/chado/tripal_contact/sync'] = array(
    'title' => ' Sync',
    'description' => 'Create pages on this site for libraries stored in Chado',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('chado_node_sync_form', 'tripal_contact', 'chado_contact'),
    'access arguments' => array('administer tripal contact'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 2
  );

  return $items;
}

/**
 * Implements hook_search_biological_data_views().
 *
 * Adds the described views to the "Search Biological Data" Page created by Tripal Views
 */
function tripal_contact_search_biological_data_views() {
  return array(
    'tripal_contact_user_contacts' => array(
      'machine_name' => 'tripal_contact_user_contacts',
      'human_name' => 'Contacts',
      'description' => 'Information about persons, institutes, groups, organizations, etc.',
      'link' => 'chado/contact'
    ),
  );
}

/**
 * Implements hook_theme().
 * Register themeing functions for this module
 *
 * @return
 *   An array of themeing functions to register
 *
 * @ingroup tripal_contact
 */
function tripal_contact_theme($existing, $type, $theme, $path) {
  $core_path = drupal_get_path('module', 'tripal_core');

  $items = array(
    'node__chado_contact' => array(
      'template' => 'node--chado-generic',
      'render element' => 'node',
      'base hook' => 'node',
      'path' => "$core_path/theme",
    ),
    'tripal_contact_base' => array(
      'variables' => array('node' => NULL),
      'template' => 'tripal_contact_base',
      'path' => "$path/theme/tripal_contact",
    ),
    'tripal_contact_properties' => array(
      'variables' => array('node' => NULL),
      'template' => 'tripal_contact_properties',
      'path' => "$path/theme/tripal_contact",
    ),
    'tripal_contact_relationships' => array(
      'variables' => array('node' => NULL),
      'template' => 'tripal_contact_relationships',
      'path' => "$path/theme/tripal_contact",
    ),
    'tripal_contact_publications' => array(
      'variables' => array('node' => NULL),
      'template' => 'tripal_contact_publications',
      'path' => "$path/theme/tripal_contact",
    ),
    'tripal_contact_help' => array(
      'template' => 'tripal_contact_help',
      'variables' =>  array(NULL),
      'path' => "$path/theme",
    ),
    'tripal_contact_teaser' => array(
      'variables' => array('node' => NULL),
      'template' => 'tripal_contact_teaser',
      'path' => "$path/theme/tripal_contact",
    ),
  );
  return $items;
}

/**
 * Implements hook_block_info().
 *
 * @ingroup tripal_contact
 */
function tripal_contact_block_info() {

  $blocks['contbase']['info'] = t('Tripal Contact Details');
  $blocks['contbase']['cache'] = 'DRUPAL_NO_CACHE';

  $blocks['contprops']['info'] = t('Tripal Contact Properties');
  $blocks['contprops']['cache'] = 'DRUPAL_NO_CACHE';

  $blocks['contrels']['info'] = t('Tripal Contact Relationships');
  $blocks['contrels']['cache'] = 'DRUPAL_NO_CACHE';

  $blocks['contpubs']['info'] = t('Tripal Contact Publications');
  $blocks['contpubs']['cache'] = 'DRUPAL_NO_CACHE';

  return $blocks;
}

/**
 * Implements hook_block_view().
 * @ingroup tripal_contact
 */
function tripal_contact_block_view($delta = '') {

  if (user_access('access chado_contact content') and arg(0) == 'node' and is_numeric(arg(1))) {
    $nid = arg(1);
    $node = node_load($nid);

    $block = array();
    switch ($delta) {
      case 'contbase':
        $block['subject'] = t('Overview');
        $block['content'] = array(
          '#theme' => 'tripal_contact_base',
          '#nodes' => $node,
          '#title' => '',
        );
        break;
      case 'contprops':
        $block['subject'] = t('Properties');
        $block['content'] = array(
          '#theme' => 'tripal_contact_properties',
          '#nodes' => $node,
          '#title' => '',
        );
        break;
      case 'contrels':
        $block['subject'] = t('Relationships');
        $block['content'] = array(
          '#theme' => 'tripal_contact_relationships',
          '#nodes' => $node,
          '#title' => '',
        );
        break;
      case 'contpubs':
        $block['subject'] = t('Publications');
        $block['content'] = array(
          '#theme' => 'tripal_contact_publications',
          '#nodes' => $node,
          '#title' => '',
        );
        break;
      default :
    }
    return $block;
  }
}

/**
 * Implement hook_permission().
 *
 * @ingroup tripal_contact
 */
function tripal_contact_permission() {
  return array(
    'access chado_contact content' => array(
      'title' => t('View Contacts'),
      'description' => t('Allow users to view contact pages.'),
    ),
    'create chado_contact content' => array(
      'title' => t('Create Contacts'),
      'description' => t('Allow users to create new contact pages.'),
    ),
    'delete chado_contact content' => array(
      'title' => t('Delete Contacts'),
      'description' => t('Allow users to delete contact pages.'),
    ),
    'edit chado_contact content' => array(
      'title' => t('Edit Contacts'),
      'description' => t('Allow users to edit contact pages.'),
    ),
    'adminster tripal contact' => array(
      'title' => t('Administer Contacts'),
      'description' => t('Allow users to administer all contacts.'),
    ),
  );
}

/**
 * Implementation of hook_form_alter().
 *
 * @ingroup tripal_contact
 */
function tripal_contact_form_alter(&$form, &$form_state, $form_id) {

  if ($form_id == "chado_contact_node_form") {
    // turn of preview button for insert/updates
    $form['actions']['preview']['#access'] = FALSE;

    //remove the body field
    unset($form['body']);
  }
}