<?php
/*******************************************************************************
 * Copyright 2009-2020 Amazon Services. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 *
 * You may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at: http://aws.amazon.com/apache2.0
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 
 * specific language governing permissions and limitations under the License.
 *******************************************************************************
 * PHP Version 5
 * @category Amazon
 * @package  MWS Merchant Fulfillment Service
 * @version  2015-06-01
 * Library Version: 2020-02-06
 * Generated: Mon Mar 02 20:07:25 UTC 2020
 */

/**
 * MWSMerchantFulfillmentService_Model - base class for all model classes
 */
abstract class MWSMerchantFulfillmentService_Model
{

    /** @var array */
    protected $_fields = array ();

    /**
     * Construct new model class
     * 
     * @param mixed $data - DOMElement or Associative Array to construct from. 
     */
    public function __construct($data = null)
    {
        if (!is_null($data)) {
            if ($this->_isAssociativeArray($data)) {
                $this->_fromAssociativeArray($data);
            } elseif ($this->_isDOMElement($data)) {
                $this->_fromDOMElement($data);
            } else {
                throw new Exception ("Unable to construct from provided data. Please be sure to pass associative array or DOMElement");
            }
        }
    }

    /**
     * Support for virtual properties getters. 
     * 
     * Virtual property call example:
     * 
     *   $action->Property
     * 
     * Direct getter(preferred): 
     * 
     *   $action->getProperty()      
     * 
     * @param string $propertyName name of the property
     */
    public function __get($propertyName)
    {
       $getter = "get$propertyName"; 
       return $this->$getter();
    }

    /**
     * Support for virtual properties setters. 
     *
     * Virtual property call example:
     * 
     *   $action->Property  = 'ABC'
     * 
     * Direct setter (preferred):
     * 
     *   $action->setProperty('ABC')     
     * 
     * @param string $propertyName name of the property
     */
    public function __set($propertyName, $propertyValue)
    {
       $setter = "set$propertyName";
       $this->$setter($propertyValue);
       return $this;
    }

    /**
     * Construct from DOMElement 
     * 
     * This function iterates over object fields and queries XML 
     * for corresponding tag value. If query succeeds, value extracted 
     * from xml, and field value properly constructed based on field type. 
     *
     * Field types defined as arrays always constructed as arrays,
     * even if XML contains a single element - to make sure that
     * data structure is predictable, and no is_array checks are
     * required.
     * 
     * @param DOMElement $dom XML element to construct from
     */
    private function _fromDOMElement(DOMElement $dom)
    {
        $xpath = new DOMXPath($dom->ownerDocument);

        foreach ($this->_fields as $fieldName => $field) {
            $fieldType = $field['FieldType'];   
            if (is_array($fieldType)) {
                if ($fieldType[0] == "object") {
                    $elements = $dom->childNodes;
                    for($i = 0 ; $i < $elements->length; $i++) {
                        $this->_fields[$fieldName]['FieldValue'][] = $elements->item($i);
                    }
                } else if ($this->_isComplexType($fieldType[0])) {
                    if (isset($field['ListMemberName'])) {
                       $memberName = $field['ListMemberName'];
                       $elements = $xpath->query("./*[local-name()='$fieldName']/*[local-name()='$memberName']", $dom);
                    } else {
                       $elements = $xpath->query("./*[local-name()='$fieldName']", $dom);
                    }
                    if ($elements->length >= 1) {
                        require_once (dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $fieldType[0]) . ".php");
                        foreach ($elements as $element) {
                            $this->_fields[$fieldName]['FieldValue'][] = new $fieldType[0]($element);
                        }
                    } 
                } else {
                    if (isset($field['ListMemberName'])) {
                        $memberName = $field['ListMemberName'];
                        $elements = $xpath->query("./*[local-name()='$fieldName']/*[local-name()='$memberName']", $dom);
                    } else {
                        $elements = $xpath->query("./*[local-name()='$fieldName']", $dom);
                    }
                    if ($elements->length >= 1) {
                        foreach ($elements as $element) {
                            $text = $xpath->query('./text()', $element);
                            $this->_fields[$fieldName]['FieldValue'][] = $text->item(0)->data;
                        }
                    }
                }
            } else {
                if ($this->_isComplexType($fieldType)) {
                    $elements = $xpath->query("./*[local-name()='$fieldName']", $dom);
                    if ($elements->length == 1) {
                        require_once (dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $fieldType) . ".php");
                        $this->_fields[$fieldName]['FieldValue'] = new $fieldType($elements->item(0));
                    }   
                } else {
                    if($fieldType[0] == "@") {
                        $attribute = $xpath->query("./@$fieldName", $dom);
                        if ($attribute->length == 1) {
                            $this->_fields[$fieldName]['FieldValue'] = $attribute->item(0)->nodeValue;
                            if (isset ($this->_fields['Value'])) {
                                $parentNode = $attribute->item(0)->parentNode;
                                $this->_fields['Value']['FieldValue'] = $parentNode->nodeValue;
                            }
                        }
                    } else {
                       if ($fieldType[0] == ".") {
                           $element = $xpath->query("./text()", $dom);
                       } else {
                            $element = $xpath->query("./*[local-name()='$fieldName']/text()", $dom);
                       }
                       if ($element->length == 1) {
                                $this->_fields[$fieldName]['FieldValue'] = $element->item(0)->data;
                       }
                    }

                    $attribute = $xpath->query("./@$fieldName", $dom);
                    if ($attribute->length == 1) {
                      $this->_fields[$fieldName]['FieldValue'] = $attribute->item(0)->nodeValue;
                      if (isset ($this->_fields['Value'])) {
                        $parentNode = $attribute->item(0)->parentNode;
                        $this->_fields['Value']['FieldValue'] = $parentNode->nodeValue;
                      }
                    }

                }
            }
        }
    }


    /**
     * Construct from Associative Array
     * 
     * 
     * @param array $array associative array to construct from
     */
    private function _fromAssociativeArray(array $array)
    {
        foreach ($this->_fields as $fieldName => $field) {
            $fieldType = $field['FieldType'];   
            if (is_array($fieldType)) {
                if ($this->_isComplexType($fieldType[0])) {
                    if (array_key_exists($fieldName, $array)) { 
                        $elements = $array[$fieldName];
                        if (!$this->_isNumericArray($elements)) {
                            $elements =  array($elements);    
                        }
                        if (count ($elements) >= 1) {
                            require_once (dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $fieldType[0]) . ".php");

                            foreach ($elements as $element) {
                                $this->_fields[$fieldName]['FieldValue'][] = new $fieldType[0]($element);
                            }
                        }
                    } 
                } else {
                    if (array_key_exists($fieldName, $array)) {
                        $elements = $array[$fieldName];
                        if (!$this->_isNumericArray($elements)) {
                            $elements =  array($elements);    
                        }
                        if (count ($elements) >= 1) {
                            foreach ($elements as $element) {
                                $this->_fields[$fieldName]['FieldValue'][] = $element;
                            }
                        }  
                    }
                }
            } else {
                 if ($this->_isComplexType($fieldType)) {
                    if (array_key_exists($fieldName, $array)) {
                        require_once (dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $fieldType) . ".php");
                        $this->_fields[$fieldName]['FieldValue'] = new $fieldType($array[$fieldName]);
                    }   
                 } else {
                    if (array_key_exists($fieldName, $array)) {
                        $this->_fields[$fieldName]['FieldValue'] = $array[$fieldName];
                    }
                 }
            }
        }
    }

    /**
    * Convert to query parameters suitable for POSTing.
    * @return array of query parameters
    */
    public function toQueryParameterArray() {
        return $this->_toQueryParameterArray("");
    }

    protected function _toQueryParameterArray($prefix) {
        $arr = array();
        foreach($this->_fields as $fieldName => $fieldAttrs) {
            $fieldType = $fieldAttrs['FieldType'];
            $fieldValue = $fieldAttrs['FieldValue'];
            $newPrefix = $prefix . $fieldName . '.';
            $currentArr = $this->__toQueryParameterArray($newPrefix, $fieldType, $fieldValue, $fieldAttrs);
            $arr = array_merge($arr, $currentArr);
        }
        return $arr;
    }

    private function __toQueryParameterArray($prefix, $fieldType, $fieldValue, $fieldAttrs) {
        $arr = array();
        if(is_array($fieldType)) {
            if(isset($fieldAttrs['ListMemberName'])) {
                $listMemberName = $fieldAttrs['ListMemberName'];
                $itemPrefix = $prefix . $listMemberName . '.';
            } else {
                $itemPrefix = $prefix;
            }

            for($i = 1; $i <= count($fieldValue); $i++) {
                $indexedPrefix = $itemPrefix . $i . '.';
                $memberType = $fieldType[0];
                $arr = array_merge($arr, 
                    $this->__toQueryParameterArray($indexedPrefix,
                    $memberType, $fieldValue[$i - 1], null));
            }

        } else if($this->_isComplexType($fieldType)) {
            // Struct
            if(isset($fieldValue)) {
                $arr = array_merge($arr, $fieldValue->_toQueryParameterArray($prefix));
            }
        } else {
            // Primitive
            if ($fieldValue!==null && $fieldValue!=="") {
                if ($fieldType=='bool') {
                    $fieldValue = ($fieldValue)?'true':'false';
                }
                $arr[rtrim($prefix, '.')] = $fieldValue;
            }
        }
        return $arr;
    }

    /**
     * XML fragment representation of this object
     * Note, name of the root determined by caller 
     * This fragment returns inner fields representation only
     * @return string XML fragment for this object
     */
    protected function _toXMLFragment() 
    {
        $xml = "";
        foreach ($this->_fields as $fieldName => $field) {
            $fieldValue = $field['FieldValue'];
            if (!is_null($fieldValue) && $field['FieldType'] != "MWSMerchantFulfillmentService_Model_ResponseHeaderMetadata") {
                $fieldType = $field['FieldType'];
                if (is_array($fieldType)) {
                    if ($fieldType[0] == "object") {
                        foreach ($fieldValue as $item) {
                            $newDoc = new DOMDocument();
                            $importedNode = $newDoc->importNode($item, true);
                            $newDoc->appendChild($importedNode);
                            $xmlStr = $newDoc->saveXML();
                            $xmlStr = substr($xmlStr, strpos($xmlStr, "?>") + 2);
                            $xml .= trim($xmlStr);
                        }
                    } else if ($this->_isComplexType($fieldType[0])) {
                        if (isset($field['ListMemberName'])) {
                            $memberName = $field['ListMemberName'];
                            $xml .= "<$fieldName>";
                            foreach ($fieldValue as $item) {
                                $xml .= "<$memberName>";
                                $xml .= $item->_toXMLFragment();
                                $xml .= "</$memberName>";
                            }
                            $xml .= "</$fieldName>";
                        } else {
                            foreach ($fieldValue as $item) {
                                $xml .= "<$fieldName";
                                $xml .= $item->_getAttributes();
                                $xml .= ">";
                                $xml .= $item->_toXMLFragment();
                                $xml .= "</$fieldName>";
                            }
                        }
                    } else {
                        if(isset($field['ListMemberName'])) {
                            $memberName = $field['ListMemberName'];
                            $xml .= "<$fieldName>";
                            foreach ($fieldValue as $item) {
                                $xml .= "<$memberName>";
                                $xml .= $this->_escapeXML($item);
                                $xml .= "</$memberName>";
                            }
                            $xml .= "</$fieldName>";
                        } else {
                            foreach ($fieldValue as $item) {
                                $xml .= "<$fieldName>";
                                $xml .= $this->_escapeXML($item);
                                $xml .= "</$fieldName>";
                            }
                        }
                    }
                } else {
                    if ($this->_isComplexType($fieldType)) {
                        $xml .= "<$fieldName";
                        $xml .= $fieldValue->_getAttributes();
                        $xml .= ">";
                        $xml .= $fieldValue->_toXMLFragment();
                        $xml .= "</$fieldName>";
                    } else if($fieldType[0] == ".") {
                         $xml .= $this->_escapeXML($fieldValue);
                    } else if($fieldType[0] != "@") {
                        $xml .= "<$fieldName>";
                        $xml .= $this->_escapeXML($fieldValue);
                        $xml .= "</$fieldName>";
                    }
                }
            }
        }
        return $xml;
    }

    protected function _getAttributes() {
        $xml = "";
        foreach ($this->_fields as $fieldName => $field) {
            $fieldValue = $field['FieldValue'];
            if (!is_null($fieldValue)) {
                $fieldType = $field['FieldType'];
                if($fieldType[0] == "@") {
                    $xml .= " " . $fieldName . "='" . $this->_escapeXML($fieldValue) . "'";
                }
            }
        }
        return $xml;
    }

    /**
     * Escape special XML characters
     * @return string with escaped XML characters
     */
    private function _escapeXML($str) 
    {
        $from = array( "&", "<", ">", "'", "\""); 
        $to = array( "&amp;", "&lt;", "&gt;", "&#039;", "&quot;");
        return str_replace($from, $to, $str); 
    }

    /**
     * Determines if field is complex type
     * 
     * @param string $fieldType field type name
     */
    private function _isComplexType ($fieldType) 
    {
        return preg_match("/^MWSMerchantFulfillmentService_/", $fieldType);
    }

   /**
    * Checks  whether passed variable is an associative array
    *
    * @param mixed $var
    * @return TRUE if passed variable is an associative array
    */
    private function _isAssociativeArray($var)
    {
        return is_array($var) && array_keys($var) !== range(0, sizeof($var) - 1);
    }

   /**
    * Checks  whether passed variable is DOMElement
    *
    * @param mixed $var
    * @return TRUE if passed variable is DOMElement
    */
    private function _isDOMElement($var)
    {
        return $var instanceof DOMElement;
    }

   /**
    * Checks  whether passed variable is numeric array
    *
    * @param mixed $var
    * @return TRUE if passed variable is an numeric array
    */
    protected function _isNumericArray($var)
    {
        if (!is_array($var))
        {
           return false;
        }
        $sz = sizeof($var);
        return ($sz===0 || array_keys($var) === range(0, sizeof($var) - 1));
    }

}
