<?php
   /**
   * ownCloud
   *
   * @author Thomas Müller
   * @copyright 2014 Thomas Müller >deepdiver@owncloud.com>
   *
   */
  
  namespace OC\Contacts;
  
  class LocalAddressBook implements \OCP\IAddressBook {
  
  	/**
  	 * @var \OCP\IUserManager
  	 */
  	private $userManager;
  
  	/**
  	 * @param $userManager
  	 */
  	public function __construct($userManager) {
  		$this->userManager = $userManager;
  	}
  
  	/**
  	 * @return string defining the technical unique key
  	 */
  	public function getKey() {
  		return 'local';
  	}
  
  	/**
  	 * In comparison to getKey() this function returns a human readable (maybe translated) name
  	 *
  	 * @return mixed
  	 */
  	public function getDisplayName() {
  		return "Local users";
  	}
  
  	/**
  	 * @param string $pattern which should match within the $searchProperties
  	 * @param array $searchProperties defines the properties within the query pattern should match
  	 * @param array $options - for future use. One should always have options!
  	 * @return array an array of contacts which are arrays of key-value-pairs
  	 */
  	public function search($pattern, $searchProperties, $options) {
  		$users = array();
  		if($pattern == '') {
  			// Fetch all contacts
  			$users = $this->userManager->search('');
  		} else {
  			foreach($searchProperties as $property) {
  				$result = array();
  				if($property === 'FN') {
  					$result = $this->userManager->searchDisplayName($pattern);
  				} else if ($property === 'id') {
  					$result = $this->userManager->search($pattern);
  				}
  				if (is_array($result)) {
  					$users = array_merge($users, $result);
  				}
  			}
  		}
  
  		$contacts = array();
  		foreach($users as $user){
  			$contact = array(
  				"id" => $user->getUID(),
  				"FN" => $user->getDisplayname(),
  				"EMAIL" => array(),
  				"IMPP" => array(
  						"x-owncloud-handle:" . $user->getUID()
  						)
  					);
  			$contacts[] = $contact;
  		}
  		return $contacts;
  	}
  
  	/**
  	 * @param array $properties this array if key-value-pairs defines a contact
  	 * @return array an array representing the contact just created or updated
  	 */
  	public function createOrUpdate($properties) {
  		return array();
  	}
  
  	/**
  	 * @return int
  	 */
  	public function getPermissions() {
  		return \OCP\PERMISSION_READ;
  	}
  
  	/**
  	 * @param object $id the unique identifier to a contact
  	 * @return bool successful or not
  	 */
  	public function delete($id) {
  		return false;
  	}
  }