<?php

/**
 * @file
 * Multiple-user Asset Manager and Borrowing Ambient.
 */

/**
 * Definitions.
 */
define('MUAMBA_NODE_TYPE', 'muamba');
define('MUAMBA_REQUESTED', 0);
define('MUAMBA_ACCEPTED', 1);
define('MUAMBA_REJECTED', 2);
define('MUAMBA_RELEASED', 3);
define('MUAMBA_RETURNED', 4);

/**
 * Implements hook_permission()
 */
function muamba_permission() {
  return array(
    'request item' => array(
      'title'       => t('Request an item'),
      'description' => t('Request an item to be borrowed or donated.'),
    ),
  );
}

/**
 * Implements hook_menu()
 */
function muamba_menu() {
  $items['muamba'] = array(
    'title'            => 'My items',
    'page callback'    => 'muamba',
    'access arguments' => array('access content'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/request'] = array(
    'title'            => 'Request an item',
    'page callback'    => 'muamba_request',
    'access arguments' => array('request item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/accept'] = array(
    'title'            => 'Accept an item request',
    'page callback'    => 'muamba_accept',
    'access arguments' => array('accept item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/reject'] = array(
    'title'            => 'Reject an item request',
    'page callback'    => 'muamba_reject',
    'access arguments' => array('reject item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/release'] = array(
    'title'            => 'Release an item',
    'page callback'    => 'muamba_release',
    'access arguments' => array('release item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/return'] = array(
    'title'            => 'Return an item',
    'page callback'    => 'muamba_return',
    'access arguments' => array('return item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  $items['muamba/cancel'] = array(
    'title'            => 'Cancel a request',
    'page callback'    => 'muamba_cancel',
    'access arguments' => array('cancel item'),
    'type'             => MENU_SUGGESTED_ITEM,
    'file'             => 'muamba.business.inc',
  );

  return $items;
}

/**
 * Implements hook_node_view()
 *
 * @todo
 *   Check widget status
 *   Check permissions
 */
function muamba_node_view($node, $view_mode, $langcode) {
  global $user;

  // Do not show widget to the owner or on non-muamba content types
  if ($node->uid == $user->uid || $node->type != MUAMBA_NODE_TYPE) {
    return;
  }

  if ($view_mode == 'full') {
    $node->content['muamba'] = array(
      '#markup' => theme('muamba_widget', array('nid' => $node->nid)),
      '#weight' => 100,
    );

    return $node;
  }
}

/**
 * Implements hook_theme()
 */
function muamba_theme($existing, $type, $theme, $path) {
  return array(
    'muamba_widget' => array(
      'template'  => 'muamba-widget',
      'variables' => array('nid' => NULL),
    ),
    'muamba_powered' => array(
      'template' => 'muamba-powered',
    ),
    'muamba_transactions' => array(
      'variables' => array(
        'transactions' => NULL,
        'type'         => NULL,
      ),
      'file'      => 'muamba.theme.inc',
    ),
  );
}

/**
 * Implements hook_block_info()
 */
function muamba_block_info() {
  $blocks['muamba_powered'] = array(
    'info'   => t('Muamba powered'),
    'cache'  => DRUPAL_NO_CACHE,
    'status' => TRUE,
    'region' => 'footer',
  );

  return $blocks;
}

/**
 * Implements hook_block_view()
 */
function muamba_block_view($delta = '') {
  $block = array();

  switch ($delta) {
    case 'muamba_powered':
      $block['subject'] = NULL;
      $block['content'] = theme('muamba_powered');
      break;
    
  }
  return $block;
}