<?php
/*
Author: 		Riccardo Di Dato
Creation Date:	23/dic/2015
*/

abstract class DaoSaveableDefaultImplementation implements DaoSaveable {
	private $saveableObject;
	
	
	public function __construct($saveableObject = null){
		if (is_null($saveableObject)){
			$saveableObject = new stdClass();
		}
		$this->updateFromSaveableObj($saveableObject);
	}
	
	public function __set($attr,$value){
		if (strcmp($attr,"id")==0 || strcmp($attr,"_id")==0){
			if (strcmp($attr,"id")==0){
				$attr = "_id";
			}
			if (!($value instanceof MongoId)){
				$value = new MongoId($value);
			}
		}
		$this->saveableObject->$attr = $value;
	}
	
	public function &__get($attr){
		$rval = null;
		if (strcmp($attr,"id")==0 || strcmp($attr,"_id")==0){
			if (strcmp($attr,"id")==0){
				$attr = "_id";
			}
			if ($this->hasProperty($attr)){
				$idf = '$id';
				$rval = &$this->saveableObject->$attr->$idf;
			}
			else {
				$rval = null;
			}
		}
		else {
			$rval = &$this->saveableObject->$attr;
		}
		
		return $rval;
	}
	
	public function __unset($attr){
		unset($this->saveableObject->$attr);
	}
	
	public function hasProperty($attr){
		if (strcmp($attr,"id")==0){
			$attr = "_id";
		}
		return property_exists($this->saveableObject, $attr);
	}
	
	/**
	 * (non-PHPdoc)
	 * @see DaoSaveable::getSaveableObj()
	 */
	public function getSaveableObj(){
// 		return $this->saveableObject;
		return $this->toArray($this->saveableObject);
	}
	
	private function toArray($input){
		$rval = $input;
		if (is_object($rval) ){
			if (!($rval instanceof MongoId)){
				$rval = (array)$input;
			}
// 			$rval = (array)$input;
		}
	
		if (is_array($rval)) {
			foreach ( $rval as $key=>$val){
				$rval[$key] = $this->toArray($val);
			}
		}
	
		return $rval;
	}
	
	/**
	 * (non-PHPdoc)
	 * @see DaoSaveable::buildFromSaveableObj()
	 */
	public static function buildFromSaveableObj($saveableObject){
		return new static($saveableObject);
	}
	
	/**
	 * (non-PHPdoc)
	 * @see DaoSaveable::updateFromSaveableObj()
	 */
	public function updateFromSaveableObj($saveableObject){
		$this->saveableObject = $this->toObject($saveableObject);
		if (!property_exists($this->saveableObject, "deleted")){
			$this->saveableObject->deleted = false;
		}
// 		$this->saveableObject = $saveableObject;
	}
	
	private function toObject($input){
		$rval = $input;
		if (is_array($input) && sizeof(array_diff_key($input,array_keys($input)))>0 ){
			$rval = (object)$input;
		}
		
		if (is_array($rval)){
			foreach ( $rval as $key=>$val){
				$rval[$key] = $this->toObject($val);
			}
		}
		else if (is_object($rval)) {
			if (!($rval instanceof MongoId)){
				foreach ( $rval as $key=>$val){
					$rval->$key = $this->toObject($val);
				}
			}
		}
		
		return $rval;
	}
}

?>