<?php

// $Id$
/**
 * @file
 * Provides installation functions for video.module.
 *
 * @author Heshan Wanigasooriya <heshan at heidisoft dot com>
 * 
 * @todo
 */

/**
 * Implementation of hook_schema().
 */
function video_schema() {
  $schema['video_files'] = array(
    'description' => 'Store video transcoding queue',
    'fields' => array(
      'vid' => array(
        'description' => t('Video id'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'fid' => array(
        'description' => 'Original file id',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => 'Node id',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'status' => array(
        'description' => 'Status of the transcoding',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'dimensions' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => 'The dimensions of the video.',
      ),
      'started' => array(
        'description' => t('Started transcodings'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'completed' => array(
        'description' => 'Transcoding completed',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'data' => array(
        'type' => 'text',
        'not null' => FALSE,
        'size' => 'big',
        'description' => 'A serialized array of converted files. Use of this field is discouraged and it will likely disappear in a future version of Drupal.',
      ),
    ),
    'indexes' => array(
      'status' => array('status'),
      'file' => array('fid'),
    ),
    'primary key' => array('vid'),
  );
  return $schema;
}


/**
 * Implementation of hook_install().
 */
function video_install() {
//  drupal_install_schema('video');
}

/**
 * Implementation of hook_uninstall().
 */
function video_uninstall() {
//  drupal_uninstall_schema('video');
// Delete all variables which begin with the namespaced "video_*".
  $video_vars = array();
  $query = "SELECT name FROM {variable} WHERE name LIKE '%video_%'";
  $video_vars = db_query($query);
  while ($result = db_fetch_array($video_vars)) {
    if (strpos($result['name'], 'video') === 0) {
      variable_del($result['name']);
    }
  }
}

/**
 * Implements hook_requirements() to check the PHP GD Library.
 *
 * @param $phase
 * @TODO : add requirment when this need FFMPEG, thing on install profiles
 */
function video_requirements($phase) {
  $requirements = array();

  if ($phase == 'runtime') {
    $requirements['video']['value'] = t('1.0');
    $requirements['video']['severity'] = REQUIREMENT_OK;
    $requirements['video']['title'] = t('GD library rotate and desaturate effects');
  }
  return $requirements;
}