#include "webcc/soap_response.h"

#include <cassert>

#include "webcc/soap_xml.h"

namespace webcc {

void SoapResponse::ToXmlBody(pugi::xml_node xbody) {
  assert(!result_name_.empty());

  pugi::xml_node xop = soap_xml::AddChild(xbody, service_ns_.name,
                                          operation_ + "Response");
  soap_xml::AddNSAttr(xop, service_ns_.name, service_ns_.url);

  pugi::xml_node xresult = soap_xml::AddChild(xop, service_ns_.name,
                                              result_name_);

  // xresult.text().set() also works for PCDATA.
  // TODO: Add SetText() to soap_xml.h|cpp.
  xresult.append_child(is_cdata_ ? pugi::node_cdata : pugi::node_pcdata)
      .set_value(result_.c_str());
}

bool SoapResponse::FromXmlBody(pugi::xml_node xbody) {
  // Check Fault element.

  pugi::xml_node xfault = soap_xml::GetChildNoNS(xbody, "Fault");

  // TODO: service_ns_.url

  if (xfault) {
    fault_.reset(new SoapFault);

    pugi::xml_node xfaultcode = soap_xml::GetChildNoNS(xfault, "faultcode");
    pugi::xml_node xfaultstring = soap_xml::GetChildNoNS(xfault, "faultstring");
    pugi::xml_node xdetail = soap_xml::GetChildNoNS(xfault, "detail");

    if (xfaultcode) {
      fault_->faultcode = xfaultcode.text().as_string();
    }
    if (xfaultstring) {
      fault_->faultstring = xfaultstring.text().as_string();
    }
    if (xdetail) {
      fault_->detail = xdetail.text().as_string();
    }

    return false;
  }

  // Check Response element.

  pugi::xml_node xresponse = soap_xml::GetChildNoNS(xbody,
                                                    operation_ + "Response");

  if (!xresponse) {
    return false;
  }

  soap_xml::SplitName(xresponse, &service_ns_.name, nullptr);
  service_ns_.url = soap_xml::GetNSAttr(xresponse, service_ns_.name);

  // Call result parser on each child of the response node.
  if (parser_) {
    pugi::xml_node xchild = xresponse.first_child();
    while (xchild) {
      if (!parser_(xchild)) {
        break;
      }
      xchild = xchild.next_sibling();
    }
  }

  return true;
}

}  // namespace webcc