<?php

require_once('devel_generate_batch.inc');

/**
 * Implementation of hook_menu().
 */
function devel_generate_menu() {
  $items = array();

  // Admin user pages
  $items['admin/generate'] = array(
    'title' => 'Generate items',
    'description' => 'Populate your database with dummy items.',
    'position' => 'left',
    'page callback' => 'system_admin_menu_block_page',
    'access arguments' => array('administer site configuration'),
    'file' => 'system.admin.inc',
    'file path' => drupal_get_path('module', 'system'),
  );
  $items['admin/generate/user'] = array(
    'title' => 'Generate users',
    'description' => 'Generate a given number of users. Optionally delete current users.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('devel_generate_users_form'),
    'access arguments' => array('administer users'),
  );
  $items['admin/generate/content'] = array(
    'title' => 'Generate content',
    'description' => 'Generate a given number of nodes and comments. Optionally delete current items.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('devel_generate_content_form'),
    'access arguments' => array('administer nodes'),
  );
  if (module_exists('taxonomy')) {
    $items['admin/generate/taxonomy'] = array(
      'title' => 'Generate categories',
      'description' => 'Generate a given number of vocabularies and terms. Optionally delete current categories.',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('devel_generate_taxonomy_form'),
      'access arguments' => array('administer nodes'),
    );
  }

  return $items;
}

/**
 * Generates users using FormAPI.
 */
function devel_generate_users_form() {
  $form['num'] = array(
    '#type' => 'textfield',
    '#title' => t('How many users would you like to generate?'),
    '#default_value' => 50,
    '#size' => 10,
  );
  $form['kill_users'] = array(
    '#type' => 'checkbox',
    '#title' => t('Delete all users (except user id 1) before generating new users.'),
    '#default_value' => FALSE,
  );

  $options = array(1 => t('Now'));
  foreach (array(3600, 86400, 604800, 2592000, 31536000) as $interval) {
    $options[$interval] = format_interval($interval, 1) . ' ' . t('ago');
  }
  $form['time_range'] = array(
    '#type' => 'select',
    '#title' => t('How old should user accounts be?'),
    '#description' => t('User ages will be distributed randomly from the current time, back to the selected time.'),
    '#options' => $options,
    '#default_value' => 604800,
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Do it!'),
  );
  return $form;
}

/**
 * FormAPI submission to generate users.
 */
function devel_generate_users_form_submit($form_id, &$form_state) {
  module_load_include('inc', 'devel_generate');
  devel_create_users($form_state['values']['num'], $form_state['values']['kill_users'], $form_state['values']['time_range']);
}

/**
 * Generates nodes using FormAPI.
 */
function devel_generate_content_form() {
  require_once('devel_generate.inc');
  $options = devel_generate_content_types();

  if (empty($options)) {
    drupal_set_message(t('You do not have any content types that can be generated. <a href="@create-type">Go create a new content type</a> already!</a>', array('@create-type' => url('admin/content/types/add'))), 'error', FALSE);
    return;
  }

  $form['node_types'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Which node types do you want to create?'),
    '#options' => $options,
    '#default_value' => array_keys($options),
  );
  if (module_exists('checkall')) $form['node_types']['#checkall'] = TRUE;
  $form['kill_content'] = array(
    '#type' => 'checkbox',
    '#title' => t('<strong>Delete all content</strong> in these node types before generating new content.'),
    '#default_value' => FALSE,
  );
  $form['num_nodes'] = array(
    '#type' => 'textfield',
    '#title' => t('How many nodes would you like to generate?'),
    '#default_value' => 50,
    '#size' => 10,
  );
  
  $options = array(1 => t('Now'));
  foreach (array(3600, 86400, 604800, 2592000, 31536000) as $interval) {
    $options[$interval] = format_interval($interval, 1) . ' ' . t('ago');
  }
  $form['time_range'] = array(
    '#type' => 'select',
    '#title' => t('How far back in time should the nodes be dated?'),
    '#description' => t('Node creation dates will be distributed randomly from the current time, back to the selected time.'),
    '#options' => $options,
    '#default_value' => 604800,
  );
  
  $form['max_comments'] = array(
    '#type' => 'textfield',
    '#title' => t('Maximum number of generated comments per node'),
    '#description' => t('You must also enable comments for the node types you are generating.'),
    '#default_value' => 0,
    '#size' => 3,
    '#access' => module_exists('comment'),
  );
  $form['title_length'] = array(
    '#type' => 'textfield',
    '#title' => t('Max word length of titles'),
    '#default_value' => 8,
    '#size' => 10,
  );
  $form['add_upload'] = array(
    '#type' =>  'checkbox',
    '#disabled' => !module_exists('upload'),
    '#description' => t('Requires upload.module'),
    '#title' => t('Add an upload to each node'),
    '#default_value' => FALSE,
  );
  $form['add_terms'] = array(
    '#disabled' => !module_exists('taxonomy'),
    '#description' => t('Requires taxonomy.module'),
    '#type' => 'checkbox',
    '#title' => t('Add taxonomy terms to each node.'),
    '#default_value' => FALSE,
  );
  $form['add_alias'] = array(
    '#type' => 'checkbox',
    '#disabled' => !module_exists('path'),
    '#description' => t('Requires path.module'),
    '#title' => t('Add an url alias for each node.'),
    '#default_value' => FALSE,
  );
  $form['add_statistics'] = array(
    '#type' => 'checkbox',
    '#title' => t('Generate node view statistics (node_counter table).'),
    '#default_value' => TRUE,
    '#access' => module_exists('statistics'),
  );
  if (module_exists('locale')) {
    $form['add_language'] = array(
      '#type' => 'select',
      '#title' => t('Set language on nodes'),
      '#multiple' => TRUE,
      '#description' => t('Requires locale.module'),
      '#options' => array_merge(array('' => t('Language neutral')), locale_language_list()),
      '#default_value' => '',
    );
  }
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Do it!'),
  );
  $form['#redirect'] = FALSE;

  return $form;
}

/**
 * FormAPI submission to generate nodes.
 */
function devel_generate_content_form_submit($form_id, &$form_state) {
  $form_state['values']['node_types'] = array_filter($form_state['values']['node_types']);
  if (!$form_state['values']['kill_content'] && $form_state['values']['num_nodes'] <= 50 && $form_state['values']['max_comments'] <= 10) {
    require_once('devel_generate.inc');
    devel_generate_content($form_state);
  }
  else {
    devel_batch_generate_content($form_state);
  }
}

/**
 * Generates taxonomy vocabularies and terms using FormAPI.
 */
function devel_generate_taxonomy_form() {
  $form['num_vocab'] = array(
    '#type' => 'textfield',
    '#title' => t('How many vocabularies would you like to generate?'),
    '#default_value' => 3,
    '#size' => 10,
  );
  $form['num_terms'] = array(
    '#type' => 'textfield',
    '#title' => t('How many terms would you like to generate?'),
    '#default_value' => 50,
    '#size' => 10,
  );
  $form['title_length'] = array(
    '#type' => 'textfield',
    '#title' => t('Max word length of term/vocab names'),
    '#default_value' => 12,
    '#size' => 10,
  );
  $form['kill_taxonomy'] = array(
    '#type' => 'checkbox',
    '#title' => t('Delete existing terms and vocabularies before generating new content.'),
    '#default_value' => FALSE,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Do it!'),
  );
  return $form;
}

/**
 * FormAPI submission to generate taxonomy vocabularies and terms.
 */
function devel_generate_taxonomy_form_submit($form_id, &$form_state) {
  require_once('devel_generate.inc');
  devel_generate_taxonomy_data($form_state['values']['num_vocab'], $form_state['values']['num_terms'], $form_state['values']['title_length'], $form_state['values']['kill_taxonomy']);
}
