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<?php

/**

 * @file

 * Drush integration for Views Slideshow.

 *

 * Specifically downloading of required and optional JavaScript libraries.

 */

/**

 * Implements hook_drush_command().

 */

function views_slideshow_cycle_drush_command() {

  $items = array();

  // The key in the $items array is the name of the command.

  $items['views-slideshow-cycle-cycle'] = array(

    'description' => dt('Download and install the jQuery Cycle library.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'arguments' => array(

      'path' => dt('Optional. The path to install the jQuery Cycle library in. If omitted Drush will use the default location.'),

    ),

    'aliases' => array('dl-cycle'),

  );

  $items['views-slideshow-cycle-json2'] = array(

    'description' => dt('Download and install the JSON2 library.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'arguments' => array(

      'path' => dt('Optional. The path to install the JSON2 library in. If omitted Drush will use the default location.'),

    ),

    'aliases' => array('dl-json2'),

  );

  $items['views-slideshow-cycle-hoverintent'] = array(

    'description' => dt('Download and install the jquery.hoverIntent library.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'arguments' => array(

      'path' => dt('Optional. The path to install the jquery.hoverIntent library in. If omitted Drush will use the default location.'),

    ),

    'aliases' => array('dl-hoverintent'),

  );

  $items['views-slideshow-cycle-pause'] = array(

    'description' => dt('Download and install the jQuery.pause library.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'arguments' => array(

      'path' => dt('Optional. The path to install the jQuery.pause library in. If omitted Drush will use the default location.'),

    ),

    'aliases' => array('dl-pause'),

  );

  $items['views-slideshow-cycle-easing'] = array(

    'description' => dt('Download and install the jQuery.easing library.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'arguments' => array(

      'path' => dt('Optional. The path to install the jQuery.easing library in. If omitted Drush will use the default location.'),

    ),

    'aliases' => array('dl-easing'),

  );

  $items['views-slideshow-cycle-lib'] = array(

    'description' => dt('Download and install the jQuery Cycle, jQuery hoverIntent and JSON2 libraries.'),

    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH,

    'aliases' => array('dl-cycle-lib'),

  );

  return $items;

}

/**

 * Implements hook_drush_help().

 */

function views_slideshow_cycle_drush_help($section) {

  switch ($section) {

    case 'drush:views-slideshow-cycle-cycle':

      return dt('Download and install the jQuery Cycle library from http://malsup.github.com/jquery.cycle.all.js, default location is libraries/jquery.cycle.');

    case 'drush:views-slideshow-cycle-hoverintent':

      return dt('Download and install the jQuery hoverIntent library from https://raw.githubusercontent.com/briancherne/jquery-hoverIntent/master/jquery.hoverIntent.js, default location is libraries/jquery.cycle.');

    case 'drush:views-slideshow-cycle-pause':

      return dt('Download and install the jQuery pause library from https://raw.githubusercontent.com/tobia/Pause/master/jquery.pause.js, default location is libraries/jquery.pause.');

    case 'drush:views-slideshow-cycle-easing':

      return dt('Download and install the jQuery pause library from http://gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js, default location is libraries/jquery.easing.');

    case 'drush:views-slideshow-cycle-json2':

      return dt('Download and install the JSON2 library from https://github.com/douglascrockford/JSON-js/, default location is libraries/json2.');

    case 'drush:views-slideshow-cycle-lib':

      return dt('Download and install the jQuery Cycle, jQuery hoverIntent and JSON2 libraries.');

  }

}

/**

 * Command to download the jQuery Cycle library.

 */

function drush_views_slideshow_cycle_cycle() {

  _drush_views_slideshow_cycle_install_library(

    'jQuery Cycle',

    'libraries/jquery.cycle',

    'jquery.cycle.all.js',

    'http://malsup.github.com/jquery.cycle.all.js',

    func_get_args()

  );

}

/**

 * Command to download the JSON2 library.

 */

function drush_views_slideshow_cycle_json2() {

  _drush_views_slideshow_cycle_install_library(

    'JSON2',

    'libraries/json2',

    'json2.js',

    'https://raw.githubusercontent.com/douglascrockford/JSON-js/master/json2.js',

    func_get_args()

  );

}

/**

 * Command to download the jQuery.hoverIntent library.

 */

function drush_views_slideshow_cycle_hoverintent() {

  _drush_views_slideshow_cycle_install_library(

    'jQuery HoverIntent',

    'libraries/jquery.hoverIntent',

    'jquery.hoverIntent.js',

    'https://raw.githubusercontent.com/briancherne/jquery-hoverIntent/master/jquery.hoverIntent.js',

    func_get_args()

  );

}

/**

 * Command to download the jQuery.pause library.

 */

function drush_views_slideshow_cycle_pause() {

  _drush_views_slideshow_cycle_install_library(

    'jQuery Pause',

    'libraries/jquery.pause',

    'jquery.pause.js',

    'https://raw.githubusercontent.com/tobia/Pause/master/jquery.pause.js',

    func_get_args()

  );

}

/**

 * Command to download the jQuery.pause library.

 */

function drush_views_slideshow_cycle_easing() {

  _drush_views_slideshow_cycle_install_library(

    'jQuery easing',

    'libraries/jquery.easing',

    'jquery.easing.1.3.js',

    'http://gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js',

    func_get_args()

  );

}

/**

 * Command to download all libraries.

 */

function drush_views_slideshow_cycle_lib() {

  drush_views_slideshow_cycle_cycle();

  drush_views_slideshow_cycle_json2();

  drush_views_slideshow_cycle_hoverintent();

  drush_views_slideshow_cycle_pause();

  drush_views_slideshow_cycle_easing();

}

/**

 * Implements drush_MODULE_pre_pm_enable().

 */

function drush_views_slideshow_cycle_pre_pm_enable() {

  $modules = drush_get_context('PM_ENABLE_MODULES');

  if (in_array('views_slideshow_cycle', $modules) && !drush_get_option('skip')) {

    drush_views_slideshow_cycle_lib();

  }

}

/**

 * Helper function to download a library in the given directory.

 */

function _drush_views_slideshow_cycle_install_library($name, $path, $filename, $url, $args) {

  // Check if path provided as an arg and use that instead of default if so.

  if (!empty($args[0])) {

    $path = $args[0];

  }

  // Create the path if it does not exist.

  if (!is_dir($path)) {

    drush_op('mkdir', $path, 0755, TRUE);

    drush_log(dt('Directory @path was created', array('@path' => $path)), 'success');

  }

  // Be sure we can write in the directory.

  $perms = substr(sprintf('%o', fileperms($path)), -4);

  if ($perms !== '0755') {

    drush_shell_exec('chmod 755 ' . $path);

  }

  $dir = getcwd();

  // Download the JavaScript file.

  if (is_file($path . '/' . $filename)) {

    drush_log(dt('@name appears to be already installed.', array(

      '@name' => $name,

    )), 'ok');

  }

  elseif (drush_op('chdir', $path) && drush_shell_exec('wget --no-check-certificate ' . $url)) {

    drush_log(dt('The latest version of @name has been downloaded to @path', array(

      '@name' => $name,

      '@path' => $path,

    )), 'success');

  }

  else {

    drush_log(dt('Drush was unable to download the @name library to @path', array(

      '@name' => $name,

      '@path' => $path,

    )), 'error');

  }

  chdir($dir);

  // Restore the previous permissions.

  drush_shell_exec('chmod ' . $perms . ' ' . $path);

}