/*
    Class designed to make API calls into PMS to get Admin Tools, connectivity information
    https://na8.salesforce.com/a1kC00000006D1R
    Story: ST-034280
    Christian Linenko 5-26-2015
*/

public with sharing class PMS
{
    private static String serviceNS = 'com:expedia:lis:PricingMigration:messages:VendorSystemSearch:v1';
    private static String cNS = 'com:expedia:lis:Service:messages:BaseTypes:v2';

    public PMS()
    {
    }
    public static string getPMSInformation(String hotelId)
    {
      /*
        <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
        <ns2:VendorSystemSearchRQ
                                  xmlns="com:expedia:lis:Service:messages:BaseTypes:v2"
                                  xmlns:ns2="com:expedia:lis:PricingMigration:messages:VendorSystemSearch:v1">
         <BaseRequestIdentity>
          <ClientId>1</ClientId>
          <TransactionId>bf942ecb-186e-43fe-a2c5-7f9bef5d070a</TransactionId>
         </BaseRequestIdentity>
         <ns2:SearchCondition>
           <ns2:SearchCondition>1</ns2:VendorSystemID>
           <ns2:VendorSystemName>TestVendor</ns2:VendorSystemName>
           <ns2:VendorSystemLogin>SYS_EXPTest</ns2:VendorSystemLogin>
           <ns2:InterfaceTypeMask>7</ns2:InterfaceTypeMask>
           <ns2:EQCBool>1</ns2:EQCBool>
         </ns2:SearchCondition>
        </ns2:VendorSystemSearchRQ>
      */

      Dom.Document doc = new Dom.Document();

      dom.XmlNode envelope = doc.createRootElement('VendorSystemSearchRQ', 'ns2', 'ns2');
      envelope.setNamespace('', serviceNS);
      envelope.setNamespace('ns2', cns);

      // add request identity
      dom.XmlNode body = envelope.addChildElement('BaseRequestIdentity', null, null);
      body.addChildElement('ClientId', null, null).addTextNode('1');
      body.addChildElement('TransactionId', null, null).addTextNode('bf942ecb-186e-43fe-a2c5-7f9bef5d070a');
      // add search stuff
      body = envelope.addChildElement('ns2:SearchCondition', null, null);
      body.addChildElement('ns2:VendorSystemID', null, null).addTextNode(hotelId);

      HttpRequest req = new HttpRequest();
      req.setMethod('POST');
      req.setEndpoint('https://pricingmigrationservice.everestadmintools.com/LISService.svc/VendorSystemSearch');
      req.setHeader('Content-Type', 'text/xml');
      System.debug('XML Bod: ' + doc.toXmlString());
      req.setBody(doc.toXmlString());

        Http http = new Http();
        String retString = null;
      try   {
         HttpResponse res = http.send(req);
         if (res != NULL && res.getStatusCode() == 200) {
            retString = res.getbody();
         }
      } catch (System.Exception e) {
         Logger.debug('PMS CALLOUT FAILED: ' + e.getMessage());
      }
      return retString;
    }
}