<?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');

   if( !$variables['params']['id'] ) {
      $variables['params']['id'] = 'dashplayer';
   }

   if( $variables['params']['connect'] ) {
      drupal_add_js("dashAddObject( '" . $variables['params']['id'] . "' );", 'inline', 'header');
   }
   
   $flashvars = '';
   $width = 652;
   $height = 432;
   $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' ) {
         $flashvars .= $param . '=' . $value . '&';         
         $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;
   
   drupal_alter( 'dashgetplayer', $variables );   
}

/**
 * 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.getDrupalVersion',
      '#callback' => 'dashplayer_get_drupal_version',  
      '#key'      => FALSE,      
      '#return'   => 'int',
      '#help'     => t('Returns the correct drupal version.')
    )    
  );
}

function dashplayer_get_drupal_version()
{
   return 6;
}

/**
 * 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->get_total_rows = TRUE;
  $view->execute();
  
  $nodes = array();
  $nodes['nodes'] = array();
  foreach ($view->result as $node) {
  	$new_node = new stdClass();
  	$temp = node_load($node->nid);
  	foreach( $temp as $field => $value ) {
  		if( $field && $value ) {
  			$new_node->{$field} = $value;
  		}
  	}
  	$nodes['nodes'][] = $new_node;
  }  
  
  $nodes['total_rows'] = $view->total_rows;  
  
  drupal_alter( 'dashview', $nodes, $args );
  
  // AMFPHP complains if the array values are not right.
  $nodes["nodes"] = array_values( $nodes["nodes"] );  
  
  return $nodes;
}

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