<?php
// DASH Player - Provides an interface and activation mechanism for the Drupal DASH Player.
// Written by Travis Tidwell  ( www.travistiddwell.com )

define( 'DASH_PLAYER_SYS_NAME', 'dashplayer' );
define( 'DASH_PLAYER_NAME', 'Dash Player' );
define( 'DEFAULT_PLAYER_NAME', 'dashPlayer.swf' );

/**
 * Implementation of hook_perm().
 */

function dashplayer_perm() { 
  return array( 'administer ' . DASH_PLAYER_SYS_NAME ); 
}

/**
 * Implementation of hook_menu().
 */

function dashplayer_menu() {
   $items = array();

   $items['admin/settings/' . DASH_PLAYER_SYS_NAME] = array(
      'title' => t(DASH_PLAYER_NAME . ' Settings'),
      'description' => t('Administer the '. DASH_PLAYER_NAME .' on this site.'),
      'page callback' => 'drupal_get_form',
      'page arguments' => array('dashplayer_settings'),
      'access arguments' => array('administer ' . DASH_PLAYER_SYS_NAME)
   );    

   return $items;
}

/**
 * Implementation of hook_theme()
 */
 
function dashplayer_theme() {
  return array(
    'dashplayer_play_flash' => array(
      'template'  => 'dashplayer',
      'arguments' => array('params' => NULL),
    ),
  );
}

function template_preprocess_dashplayer_play_flash(&$variables) {
   // Add the Dash Player Interface JavaScript
   drupal_add_js(drupal_get_path('module', 'dashplayer') .'/dashPlayer.js');

   $flashvars = '';
   $width = 460;
   $height = 525;
   $player = '';
   $id = 'dashplayer';
   
   foreach($variables['params'] as $param => $value) {
      $param = strtolower($param);
   
      if( $param == 'player' ) {
         $player = $value;
      }
      else if( $param == 'width' ) {
         $width = $value;
      }
      else if( $param == 'height' ) {
         $height = $value;
      }
      else if( $param == 'id' ) {
         $id = $value;
      }      
      else {
         if( $value ) {
            $flashvars .= $param . '=' . $value . '&';
         }
      }
   }

   $flashvars = rtrim($flashvars, '&');
   
   // Creates an absolute path for the player.
   if( $player !== '' ) {  
      $loader_path = check_url(file_create_url($player)); 
   }
   else {
      $loader_path = check_url(variable_get('dashplayer_path', file_create_url(DEFAULT_PLAYER_NAME)));  
   }   

   $variables['flashvars'] = $flashvars;
   $variables['width'] = $width;
   $variables['height'] = $height;
   $variables['player'] = $loader_path;
   $variables['id'] = $id;
}

/**
 * Callback for 'services/browse'
 */

function dashplayer_settings() {

   $form['dashplayer_path'] = array(
      '#title' => t(DASH_PLAYER_NAME .' Path'),
      '#type' => 'textfield',
      '#default_value' => variable_get('dashplayer_path', file_create_url(DEFAULT_PLAYER_NAME)),
      '#maxlength' =>  128,
      '#description' => t('The path to the ' . DASH_PLAYER_NAME),
      '#required' => TRUE
   );
   
   return system_settings_form($form);
}

/**
 * Implementation of hook_service()
 */

function dashplayer_service() {
  return array(    
    array(
      '#method'   => 'dashplayer.getView',
      '#callback' => 'dashplayer_get_view',
      '#key'      => FALSE,      
      '#args'     => array(
        array(
          '#name'         => 'view_name',
          '#type'         => 'string',
          '#description'  => t('View name.')),
        array(
          '#name'         => 'limit',
          '#type'         => 'int',
          '#optional'     => TRUE,
          '#description'  => t('The limit for the view to show.')),
        array(
          '#name'         => 'page',
          '#type'         => 'int',
          '#optional'     => TRUE,
          '#description'  => t('The page number to show.')),
        array(
          '#name'         => 'args',
          '#type'         => 'array',
          '#optional'     => TRUE,
          '#description'  => t('An array of arguments to pass to the view.'))              
      ),
      '#return'   => 'array',
      '#help'     => t('Retrieves a view defined in views.module.')
    ),
    array(
      '#method'   => 'dashplayer.incrementNodeCounter',
      '#callback' => 'dashplayer_increment_node_counter',  
      '#args'     => array(
        array(
          '#name'         => 'nid',
          '#type'         => 'int',
          '#description'  => t('The node to increment the counter for.'))            
      ),
      '#return'   => 'int',
      '#help'     => t('Increments the node counter for any given node.')
    )            
  );
}

function dashplayer_nodeapi(&$node, $op, $teaser) {
   // Only if the node type is enabled.
   switch ($op) {
   case 'load':
      $additions = array();
            
      if (module_exists('statistics') && variable_get('statistics_count_content_views', 0))
      {
         $node_count = db_result(db_query("SELECT totalcount FROM {node_counter} WHERE nid=%d", $node->nid));           
         $additions['node_counter'] = number_format($node_count);         
      }
          
      // We need to add a type to the taxonomy so that the Dash Media Player can figure out which
      // taxonomy vocabularies are "free tagging" vocabularies.
      if( module_exists('taxonomy') && module_exists('tagging_service') ) {
         $vid = db_result(db_query("SELECT v.vid FROM {vocabulary} v LEFT JOIN {vocabulary_node_types} vt ON v.vid=vt.vid WHERE vt.type='%s' AND v.tags=1", $node->type));
         if( $vid ) 
         {
            $additions['tagging_vid'] = $vid;  
         }        
      }      
      
      // Here we need to look for images attached to this node...
      if( module_exists('image_attach') ) 
      { 
         $image_nodes = db_query("SELECT iid FROM {image_attach} WHERE nid=%d", $node->nid);
                  
         while($image_node = db_fetch_object($image_nodes)) {	             
            $images = db_query("SELECT f.* FROM {files} f 
                                       LEFT JOIN {image} img ON img.fid=f.fid 
                                       WHERE img.nid=%d AND 
                                       (f.filemime='jpg' OR 
                                        f.filemime='jpeg' OR
                                        f.filemime='png' OR
                                        f.filemime='gif' OR
                                        f.filemime='image/jpeg' OR
                                        f.filemime='image/jpg' OR
                                        f.filemime='image/png' OR
                                        f.filemime='image/gif')", $image_node->iid);
      
            while( $image = db_fetch_object($images)) {
               $additions['dashplayer_images'][] = $image;
            }
         }
      }

      return $additions;
   }
}

function dashplayer_increment_node_counter( $nid ) {
   if( $nid && module_exists('statistics') && variable_get('statistics_count_content_views', 0) ) {
      db_query('UPDATE {node_counter} SET daycount = daycount + 1, totalcount = totalcount + 1, timestamp = %d WHERE nid = %d', time(), $nid);
      if (!db_affected_rows()) {
        db_query('INSERT INTO {node_counter} (nid, daycount, totalcount, timestamp) VALUES (%d, 1, 1, %d)', $nid, time());
      }  
      
      return db_result(db_query("SELECT totalcount FROM {node_counter} WHERE nid=%d", $nid));           
   }
   else
   {
      return 0;
   }
}

/**
 * Get a view from the database.
 */

function dashplayer_get_view($view_name, $limit = 0, $page = 0, $args = array()) { 
  $view = views_get_view($view_name);
  if (is_null($view)) {
    return services_error('View does not exist.');
  }
  
  // Check access
  if (!views_access($view)) {
    return services_error('You do not have access to this view.');
  }
  
  $view->set_use_pager(FALSE);
  $view->set_items_per_page($limit);
  $view->set_offset($page*$limit);
  $view->set_arguments($args);
  $view->execute();
 
  foreach ($view->result as $node) {
    $nodes['nodes'][] = services_node_load(node_load($node->nid), $fields);
  }  
  
  $nodes['total_rows'] = $view->total_rows; 
    
  return $nodes;
}

function dashplayer_get_player($params) {
   print theme('dashplayer_play_flash', $params);
}