<?php

/**
 * @file
 * Provides installation functions for video_s3.module.
 */

/**
 * Implementation of hook_schema().
 */
function video_s3_schema() {
  $schema['video_s3'] = array(
    'description' => t('Store video s3 cdn'),
    'fields' => array(
      'vid' => array(
        'description' => t('Auto Increment id'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'fid' => array(
        'description' => t('Original file id'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => t('Node id'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'bucket' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => t('The bucket the video is stored in.'),
      ),
      'filename' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => t('The filename of the video.'),
      ),
      'filepath' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => t('The filepath of the video.'),
      ),
      'filemime' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => t('The filemime of the video.'),
      ),
      'filesize' => array(
        'description' => t('Filesize of the video.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'status' => array(
        'description' => t('Status of the cdn transfer'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'completed' => array(
        'description' => t('Time of successful completion to amazon.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'indexes' => array(
      'status' => array('status'),
      'file' => array('fid'),
    ),
    'primary key' => array('vid'),
  );
  return $schema;
}

/**
 * Implementation of hook_install().
 */
function video_s3_install() {
  drupal_install_schema('video_s3');
  
  // The video_s3 module cron hook must execute after the video module
  // in order for ffmpeg converted files to be uploaded to S3 in the same cron run.
  db_query("UPDATE {system} SET weight = 10 WHERE name = 'video_s3'");
}

/**
 * Implementation of hook_uninstall().
 */
function video_s3_uninstall() {
  global $conf;
  drupal_uninstall_schema('video_s3');
  // Delete our variables.
  foreach (array_keys($conf) as $var) {
    if (strpos($var, 'amazon_s3') === 0) {
      variable_del($var);
    }
  }
}

/**
* Implementation of hook_requirements().
*/
function video_s3_requirements($phase) {
  $t = get_t();
  $requirements = array();
  
  if (!module_exists('libraries')) {
    $requirements['video_s3_libraries'] = array(
      'title' => $t('Video Amazon S3 requirements'),
      'description' => $t('The <a href="@libraries-url">Libraries API</a> module is required to use the Video Amazon S3 module since version 4.8.', array('@libraries-url' => 'http://drupal.org/project/libraries')),
      'value' => l($t('Download'), 'http://drupal.org/project/libraries'),
      'severity' => REQUIREMENT_ERROR,
    );
  }
  else {
    $path = libraries_get_path('awssdk');
    $file = $path .'/sdk.class.php';

    if (!is_dir($path)) {
      $requirements['video_s3_library'] = array(
        'title' => $t('Video Amazon S3 library'),
        'description' => $t('The <a href="@aws-library-url">Amazon Web Services SDK</a> must be installed to %libpath to use Amazon S3 to store videos.', array('@aws-library-url' => 'http://aws.amazon.com/sdkforphp/', '%libpath' => $path)),
        'value' => l($t('Download'), 'http://aws.amazon.com/sdkforphp/'),
        'severity' => REQUIREMENT_ERROR,
      );
    }
    elseif (!is_file($file)) {
      $requirements['video_s3_library'] = array(
        'title' => $t('Video Amazon S3 library'),
        'description' => $t('The directory %libpath is found, but the <a href="@aws-library-url">Amazon Web Services SDK</a> does not appear to be installed correctly, as the file %libfile is not found. Check if the library archive has been extracted correctly.', array('@aws-library-url' => 'http://aws.amazon.com/sdkforphp/', '%libpath' => $path, '%libfile' => $file)),
        'value' => l($t('Download'), 'http://aws.amazon.com/sdkforphp/'),
        'severity' => REQUIREMENT_ERROR,
      );
    }
    else {
      require_once $file;
      
      $requirements['video_s3_library'] = array(
        'title' => $t('Video Amazon S3 library'),
        'value' => check_plain(CFRUNTIME_VERSION),
        'severity' => REQUIREMENT_OK,
      );
    }
  }

  return $requirements;
}

function video_s3_update_6000() {
  $ret = array();
  
  $ret[] = update_sql("UPDATE {system} SET weight = 10 WHERE name = 'video_s3'");
  
  return $ret;
}