<?php
use RedBeanPHP\Facade as RedBean;

abstract class DataStore {
    protected $_bean;

    public function getDefaultProps() {
        return [];
    }

    public static function getDataStore($value, $property = 'id') {
        $bean = RedBean::findOne(static::TABLE, static::validateProp($property) . ' =:value', array(
            ':value'  => $value
        ));

        return ($bean) ? new static($bean) : null;
    }

    public function __construct($beanInstance = null) {

        if ($beanInstance) {
            $this->_bean = $beanInstance;
        }
        else {
            $this->_bean = RedBean::dispense(static::TABLE);
            $defaultProperties = $this->getDefaultProps();

            foreach ($defaultProperties as $PROP => $VALUE) {
                $this->_bean[$PROP] = $VALUE;
            }
        }
    }

    public function delete() {
        RedBean::trash($this->getBeanInstance());
        unset($this);
    }

    public function getBeanInstance() {
        return $this->_bean;
    }

    public function setProperties($properties) {
        foreach (static::getProps() as $PROP) {
            if(array_key_exists($PROP, $properties)) {
                $this->_bean[$PROP] = $properties[$PROP];
            }
        }
    }

    public function __get($name) {
        if ($this->_bean[$name]) {
            return $this->_bean[$name];
        }
        else {
            return null;
        }
    }

    public function store() {
        return RedBean::store($this->_bean);
    }

    private static function validateProp($propToValidate) {
        $validProp = false;

        foreach (static::getProps() as $prop) {
            if($propToValidate === $prop) {
                $validProp = true;
            }
        }

        return ($validProp) ? $propToValidate : 'id';
    }
}