<?php

/**
 * @file
 *  Generate content, taxonomy, menu, and users via drush framework.
 */

/**
 * Implementation of hook_drush_command().
 */
function devel_generate_drush_command() {
  $items['generate-users'] = array(
    'callback' => 'drush_devel_generate_users',
    'description' => 'Create users.',
    'arguments' => array(
      'number_users' => 'Number of users to generate.',
    ),
    'options' => array(
      'kill' => 'Delete all users before generating new ones.',
      'roles' => 'A comma delimited list of role IDs which should be granted to the new users. No need to specify authenticated user role.',
      'pass' => 'Specify a password to be set for all generated users.',
    ),
    'aliases' => array('genu'),
  );
  $items['generate-terms'] = array(
    'callback' => 'drush_devel_generate_terms',
    'description' => 'Create terms in specified vocabulary.',
    'arguments' => array(
      'machine_name' => 'Vocabulary machine name into which new terms will be inserted.',
      'number_terms' => 'Number of terms to insert. Defaults to 10.',
    ),
    'options' => array(
      'kill' => 'Delete all terms in specified vocabulary before generating.',
      'feedback' => 'An integer representing interval for insertion rate logging. Defaults to 1000',
    ),
    'aliases' => array('gent'),

  );
  $items['generate-vocabs'] = array(
    'callback' => 'drush_devel_generate_vocabs',
    'description' => 'Create vocabularies.',
    'arguments' => array(
      'num_vocabs' => 'Number of vocabularies to create. Defaults to 1.',
    ),
    'options' => array(
      'kill' => 'Delete all vocabularies before generating.',
    ),
    'aliases' => array('genv'),
  );
  $items['generate-content'] = array(
    'callback' => 'drush_devel_generate_content',
    'description' => 'Create content.',
    'drupal dependencies' => array('devel_generate'),
    'arguments' => array(
      'number_nodes' => 'Number of nodes to generate.',
      'maximum_comments' => 'Maximum number of comments to generate.',
    ),
    'options' => array(
      'kill' => 'Delete all content before generating new content.',
      'types' => 'A comma delimited list of content types to create. Defaults to page,article.',
      'feedback' => 'An integer representing interval for insertion rate logging. Defaults to 1000',
      'skip-fields' => 'A comma delimited list of fields to omit when generating random values',
      'languages' => 'A comma-separated list of language codes',
    ),
    'aliases' => array('genc'),
  );
  $items['generate-menus'] = array(
    'callback' => 'drush_devel_generate_menus',
    'description' => 'Create menus and menu items.',
    'drupal dependencies' => array('devel_generate'), // Remove these once devel.module is moved down a directory. http://drupal.org/node/925246
    'arguments' => array(
      'number_menus' => 'Number of menus to generate. Defaults to 2.',
      'number_links' => 'Number of links to generate. Defaults to 50.',
      'max_depth' => 'Max link depth. Defaults to 3',
      'max_width' => 'Max width of first level of links. Defaults to 8.',
    ),
    'options' => array(
      'kill' => 'Delete all previously generated menus and links before generating new menus and links.',
    ),
    'aliases' => array('genm'),
  );
  return $items;
}


/**
 * Command callback. Generate a number of users.
 */
function drush_devel_generate_users($num_users = NULL) {
  if (drush_generate_is_number($num_users) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', t('Invalid number of users.'));
  }
  drush_generate_include_devel();
  $roles = drush_get_option('roles') ? explode(',', drush_get_option('roles')) : array();
  $pass = drush_get_option('pass', NULL);
  devel_create_users($num_users, drush_get_option('kill'), 0, $roles, $pass);
  drush_log(t('Generated @number users.', array('@number' => $num_users)), 'success');
}

/**
 * Command callback. Generate a number of terms in given vocabs.
 */
function drush_devel_generate_terms($vname = NULL, $num_terms = 10) {
  // Try to convert machine name to a vocab ID
  if (!$vocab = taxonomy_vocabulary_machine_name_load($vname)) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid vocabulary name: !name', array('!name' => $vname)));
  }
  if (drush_generate_is_number($num_terms) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of terms: !num', array('!num' => $num_terms)));
  }

  drush_generate_include_devel();
  if (drush_get_option('kill')) {
    devel_generate_delete_vocabulary_terms($vocab->vid);
    drush_log(dt('Deleted existing terms.'), 'success');
  }
  $new_terms = devel_generate_terms($num_terms, array($vocab->vid => $vocab), '12');
  if (!empty($new_terms)) {
    drush_log(dt("Created the following new terms:\n!terms", array('!terms' => implode("\n", $new_terms))), 'success');
  }
}

/**
 * Command callback. Generate a number of vocabularies.
 */
function drush_devel_generate_vocabs($num_vocab = 1) {
  if (drush_generate_is_number($num_vocab) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of vocabularies: !num.', array('!num' => $num_vocab)));
  }
  drush_generate_include_devel();
  if (drush_get_option('kill')) {
    devel_generate_delete_vocabularies();
    drush_log(dt('Deleted existing vocabularies.'), 'success');
  }
  $new_vocs = devel_generate_vocabs($num_vocab, '12');
  if (!empty($new_vocs)) {
    drush_log(dt("Created the following new vocabularies:\n!vocs", array('!vocs' => implode("\n", $new_vocs))), 'success');
  }
}

/**
 * Command callback. Generate a number of nodes and comments.
 */
function drush_devel_generate_content($num_nodes = NULL, $max_comments = NULL) {
  if (drush_generate_is_number($num_nodes) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of nodes'));
  }
  if (!empty($max_comments) && drush_generate_is_number($max_comments) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of comments.'));
  }

  $add_language = drush_get_option('languages');
  if (!empty($add_language)) {
    $add_language = explode(',', str_replace(' ', '', $add_language));
    // Intersect with the enabled languages to make sure the language args
    // passed are actually enabled.
    $values['values']['add_language'] = array_intersect($add_language, array_keys(locale_language_list()));
  }

  // Load user 1; is needed for creating *published* comments.
  if ($max_comments) {
    global $user;
    $user_one = user_load(1);
    $user = $user_one;
    drupal_save_session(FALSE);
  }

  $values['values']['kill_content'] = drush_get_option('kill');
  $values['values']['title_length'] = 6;
  $values['values']['num_nodes'] = $num_nodes;
  $values['values']['max_comments'] = $max_comments;
  $values['values']['node_types'] = drupal_map_assoc(explode(',', drush_get_option('types', 'page,article')));
  $node_types = array_filter($values['values']['node_types']);
  if (!empty($values['values']['kill_content']) && empty($node_types)) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Please provide content type (--types) in which you want to delete the content.'));
  }
  drush_generate_include_devel();
  devel_generate_content($values);
  drush_log(t('Generated @num_nodes nodes, @max_comments comments (or less) per node.', array('@num_nodes' => (int)$num_nodes, '@max_comments' => (int)$max_comments)), 'success');
}

/**
 * Command callback. Generate a number of menus and menu links.
 */
function drush_devel_generate_menus($number_menus = 2, $number_links = 50, $max_depth = 3, $max_width = 8) {
  if (drush_generate_is_number($number_menus) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of menus'));
  }
  if (drush_generate_is_number($number_links) == FALSE) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid number of links'));
  }
  if (drush_generate_is_number($max_depth) == FALSE || $max_depth > 9 || $max_depth < 1) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid maximum link depth. Use a value between 1 and 9'));
  }
  if (drush_generate_is_number($max_width) == FALSE || $max_width < 1) {
    return drush_set_error('DEVEL_GENERATE_INVALID_INPUT', dt('Invalid maximum menu width. Use a positive numeric value.'));
  }

  global $user;
  $user_one = user_load(1);
  $user = $user_one;
  drupal_save_session(FALSE);

  drush_generate_include_devel();

  // Delete custom menus.
  if (drush_get_option('kill')) {
    devel_generate_delete_menus();
    drush_log(dt('Deleted existing menus and links.'), 'success');
  }

  // Generate new menus.
  $new_menus = devel_generate_menus($number_menus, '12');
  if (!empty($new_menus)) {
    drush_log(dt("Created the following new menus:\n!menus", array('!menus' => implode("\n", $new_menus))), 'success');
  }

  // Generate new menu links.
  $link_types = drupal_map_assoc(array('node', 'front', 'external'));
  $new_links = devel_generate_links($number_links, $new_menus, '12', $link_types, $max_depth, $max_width);
  drush_log(dt('Created !count new menu links.', array('!count' => count($new_links))), 'success');
}

//////////////////////////////////////////////////////////////////////////////
// Helper functions

// Verify if param is a number.
function drush_generate_is_number($number) {
  if ($number == NULL) return FALSE;
  if (!is_numeric($number)) return FALSE;
  return TRUE;
}

// Include devel_generate.inc.
function drush_generate_include_devel() {
  $path = drupal_get_path('module', 'devel_generate');
  require_once($path .'/devel_generate.inc');
}