<?php

/**

 * @FILE Install file for ffmpeg_wrapper

 *

 */

function ffmpeg_wrapper_install() {

  // see if we can find ffmpeg

  if ($path = exec('export PATH=$PATH:/sw/bin:/bin:/usr/bin:/usr/local/bin; which ffmpeg')) {

    variable_set('ffmpeg_wrapper_path', $path);

    drupal_set_message(t('The FFmpeg binary was found. You are ready to start transcoding files.'));

  }

  else {

    drupal_set_message(t('The FFmpeg binary was not found. You will need to set the path by hand !here.',

      array('!here' => l(t('here'), 'admin/settings/ffmpeg_wrapper'))

    ));

  }

}

/**

 * Implementation of hook_requirements().

 *

 * TODO: We could probably check the swfobject file's version here too, similar

 * to how the jQuery_update 5.x module checks version of jQuery.

 */

function ffmpeg_wrapper_requirements($phase) {

  $requirements = array();

  $t = get_t();

  // Do not link to the settings page when module is installed from install.php

  // as part of an installation profile.

  $args = array('!url' => function_exists('db_result') ? l($t('Please update your settings'), 'admin/settings/ffmpeg_wrapper') : $t('Please configure FFmpeg Wrapper after installation.'));

  if (! variable_get('ffmpeg_wrapper_path', false)) {

    $error_message = $t('The path to FFmpeg is not set correctly or missing. !url', $args);

  }

  else if (! file_exists(variable_get('ffmpeg_wrapper_path', false))) {

    $error_message = $t('The path that you have set to FFmpeg does not appear to be correct. !url', $args);

  }

  if ($error_message) {

    // we need to explicitly set the message when installing the module,

    // because drupal_check_module() in install.inc doesn't print out

    // warning messages, and we prefer to tell the user what's wrong.

    if ($phase == 'install') {

      drupal_set_message($error_message, 'warning');

    }

    $requirements['ffmpeg_wrapper'] = array(

      'title' => $t('FFmpeg Wrapper'),

      'description' => $error_message,

      'severity' => $phase == 'install' ? REQUIREMENT_WARNING : REQUIREMENT_ERROR,

      'value' => $t('Copy swfobject.js'),

    );

  }

  elseif ($phase == 'runtime') {

    $requirements['ffmpeg_wrapper'] = array(

      'title' => $t('FFmpeg Wrapper'),

      'severity' => REQUIREMENT_OK,

      'value' => $t('Installed correctly'),

    );

  }

  return $requirements;

}