<?php
// $Id: notifications_content.pages.inc,v 1.1.2.3.2.3.2.7 2010-07-22 11:57:49 jareyero Exp $
/**
 * @file
 * Subscriptions to content events
 */
 
/**
 * Admin settings form
 */
function notifications_content_settings_form() {
  // Build check boxes table with content types x subscription types
  $form['content'] = array(
    '#type' => 'fieldset',
    '#title' => t('Enabled subscription types'),
    '#weight' => -10,
    '#collapsible' => TRUE,
    '#description' => t('Check the subscription types that will be enabled. You can use the global settings here or set different options for each content type. On this second case these will be the defaults for new content types.'),
  );
  $form['content']['notifications_content_per_type'] = array(
    '#type' => 'radios',
    '#default_value' => variable_get('notifications_content_per_type', 0),
    '#options' => array(
      t('Use global settings on this page for all content types'),
      t('Set up for each content type on <a href="@content-type-settings">Administer Content Types</a>.', array('@content-type-settings' => url('admin/content/types'))),
    ),
  );  
  $form['content']['notifications_content_type'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Global options'),
    '#options' => _notifications_content_type_options(),
    '#default_value' => variable_get('notifications_content_type', array()),
    '#description' => t('Define the available subscription types that will be enabled globally'),
  );

  return system_settings_form($form);
}

/**
 * Template testing form
 */
function notifications_content_test_template_form($form_state) {
  global $user, $language;

  module_load_include('admin.inc', 'notifications');
  $message = !empty($form_state['values']['message']) ? $form_state['values']['message'] : NULL;
  if ($message) {
    $form['showmessage'] = array(
      '#title' => t('Message'),
      '#type' => 'item',
      '#value' => _notifications_content_test_format_message(array('subect' => $message->subject, 'body' => $message->body)),
    );
    $form['showtemplate'] = array(
      '#title' => t('Template parts'),
      '#type' => 'item',
      '#value' => _notifications_content_test_format_template($message->text_parts),
    );
  }
  $form['type'] = array(
    '#title' => t('Node type'),
    '#type' => 'select',
    '#options' => node_get_types('names'),
    '#default_value' => isset($form_state['values']['type']) ? $form_state['values']['type'] : NULL,
  );
  $form['action'] = array(
    '#title' => t('Action'),
    '#type' => 'select',
    '#options' => notifications_info('event actions'),
    '#default_value' => isset($form_state['values']['action']) ? $form_state['values']['action'] : NULL,
  );
  $form['subscription_type'] = array(
    '#title' => t('Subscription type'),
    '#type' => 'select',
    '#options' => notifications_subscription_types(NULL, 'title'),
    '#default_value' => isset($form_state['values']['subscription_type']) ? $form_state['values']['subscription_type'] : NULL,
    '#description' => t('Some modules may define a different template for their subscription types.'),
  );
  $form['send_method'] = array(
    '#title' => t('Send method'),
    '#type' => 'select',
    '#options' => notifications_send_methods($user),
  );
  $form['language'] = array(
    '#title' => t('Language'),
    '#type' => 'select',
    '#options' => messaging_template_language_list(),
    '#default_value' => isset($form_state['values']['language']) ? $form_state['values']['language'] : $language->language,
  );
  $form['node'] = array(
    '#title' => t('Select node'),
    '#type' => 'textfield',
    '#default_value' => isset($form_state['values']['node']) ? $form_state['values']['node'] : NULL,
    '#description' => t("Enter a node id. If empty, a dummy node will be generated with title 'Test title' and body 'Test body line' (x 5 lines)"),
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Try'),
    '#submit' => array('notifications_content_test_template_submit'),
    '#description' => t('This test will generate fake events so only advised for development sites.'),
  );
  return $form;
}

/**
 * Process template test
 */
function notifications_content_test_template_submit(&$form, &$form_state) { 
  global $user;

  // Load node or build fake node
  if ($nid = (int)$form_state['values']['node']) {
    if (($node = node_load($nid)) && node_access('view', $node)) {
      drupal_set_message(t('Loaded node type @type', array('@type' => $node->type)));
    }
  }
  if (empty($node)) {
    $type = $form_state['values']['type'];
    $node = _notifications_content_test_generate_content($type);
    $node->nid = 1;
    $node->uid = $user->uid;
    $node->type = $type;
  }
  // Build fake event for node/action
  $action = $form_state['values']['action'];
  $objects['node'] = $node;
  // Add comment if needed
  if ($action == 'comment') {
    $comment = _notifications_content_test_generate_content('comment');
    $comment->cid = 1;
    $comment->uid = $user->uid;
    $comment->nid = $node->nid;
    $objects['comment'] = $comment;
  }
  $event = Notifications_Event::create(
    array(
     'eid' => 1,
     'module' => 'node',
     'type' => 'node',
     'action' => $action,
    ),
    $objects
  );
  if (!$event->queue) {
    drupal_set_message(t('That event type is not enabled though we try building a message for it.'), 'warning');
  }
  // Get a subscription template, that may determine the module
  $subscription = notifications_build_subscription($form_state['values']['subscription_type']);

  // Build the message and store it
  $send_method = $form_state['values']['send_method'];
  if ($destination = messaging_account_build_destination($user, $send_method)) {
    $template = new Notifications_Message();
    $template->method = $send_method;
    $template->set_destination($destination);
    $template->language = $form_state['values']['language'];
    $message = Notifications_Message::build_simple_message($template, $event, array(), $subscription->module);
    // Store message and rebuild. The message will come with template information (text_parts);
    $form_state['values']['message'] = $message;
    $form_state['rebuild'] = TRUE;  
  }
  else {
    drupal_set_message(t('Cannot build destination.'), 'warning');
  }

}

/**
 * Generate fake node or comment
 */
function _notifications_content_test_generate_content($type) {
  $node = new Stdclass();
  $title = t('Test title for @type', array('@type' => $type));
  for ($i = 1; $i <= 5; $i++) {
    $body[] = t('Test body line @number for @type.', array('@number' => $i, '@type' => $type)); 
  }
  if ($type == 'comment') {
    $node->subject = $title;
    $node->comment = implode("\n", $body);
  }
  else {
    $node->title = $title;
    $node->body = implode("\n", $body);
    $node->teaser = node_teaser($node->body);
  }
  return $node;
}

/**
 * Format resulting message array as table
 */
function _notifications_content_test_format_message($message) {
  $rows = array();
  foreach ($message as $key => $value) {
    $rows[] = array($key, is_array($value) ?  _notifications_content_test_format_message($value) : '<pre>' . check_plain($value) . '</pre>');
  }
  return theme('table', array(), $rows);
}

/**
 * Format template information as table
 */
function _notifications_content_test_format_template($parts) {
  $rows = array();
  $header = array('msgkey' => t('Key'), 'type' => t('Template'), 'method' => t('Method'), 'message' => t('Text'), 'language' => t('Language'), 'format' => t('Format'));
  foreach ($parts as $key => $value) {
    $row = array();
    foreach (array_keys($header) as $field) {
      $row[] = isset($value->$field) ? check_plain($value->$field) : '';
    }
    $rows[] = $row;
  }
  return theme('table', $header, $rows);
}
/**
 * Theme content type settings
 */
function theme_notifications_content_type_settings(&$elements) {
  $output = '';
  $options = _notifications_content_type_options();
  $header = array_merge(array(''), array_values($options));
  $rows = array();
  foreach (element_children($elements) as $key) {
    $row = array($elements[$key]['#title']);
    unset($elements[$key]['#title']);
    foreach (array_keys($options) as $index) {
      unset($elements[$key][$index]['#title']);
      $row[] = drupal_render($elements[$key][$index]);
    }
    $rows[] = $row;
  }
  $output .= theme('table', $header, $rows);
  $output .= drupal_render($elements);
  return $output;
}