/*
 * The MIT License
 * Copyright (c) 2012 Microsoft Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package microsoft.exchange.webservices.data.autodiscover.request;

import microsoft.exchange.webservices.data.autodiscover.AutodiscoverService;
import microsoft.exchange.webservices.data.autodiscover.enumeration.AutodiscoverErrorCode;
import microsoft.exchange.webservices.data.autodiscover.response.AutodiscoverResponse;
import microsoft.exchange.webservices.data.autodiscover.response.GetDomainSettingsResponseCollection;
import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.EwsUtilities;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.autodiscover.enumeration.DomainSettingName;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceValidationException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;

import javax.xml.stream.XMLStreamException;

import java.net.URI;
import java.util.List;

/**
 * Represents a GetDomainSettings request.
 */
public class GetDomainSettingsRequest extends AutodiscoverRequest {

  /**
   * Action Uri of Autodiscover.GetDomainSettings method.
   */
  private static final String GetDomainSettingsActionUri =
      EwsUtilities.AutodiscoverSoapNamespace +
          "/Autodiscover/GetDomainSettings";

  /**
   * The domains.
   */
  private List<String> domains;

  /**
   * The settings.
   */
  private List<DomainSettingName> settings;

  private ExchangeVersion requestedVersion;

  /**
   * Initializes a new instance of the {@link GetDomainSettingsRequest} class.
   *
   * @param service the service
   * @param url     the url
   */
  public GetDomainSettingsRequest(AutodiscoverService service, URI url) {
    super(service, url);
  }

  /**
   * Validates the request.
   *
   * @throws Exception the exception
   */
  @Override
  protected void validate() throws Exception {
    super.validate();

    EwsUtilities.validateParam(this.getDomains(), "domains");
    EwsUtilities.validateParam(this.getSettings(), "settings");

    if (this.getSettings().size() == 0) {
      throw new ServiceValidationException("At least one setting must be requested.");
    }

    if (domains.size() == 0) {
      throw new ServiceValidationException("At least one domain name must be requested.");
    }

    for (String domain : this.getDomains()) {
      if (domain == null || domain.isEmpty()) {
        throw new ServiceValidationException("The domain name must be specified.");
      }
    }
  }

  /**
   * Executes this instance.
   *
   * @return the gets the domain settings response collection
   * @throws Exception the exception
   */
  public GetDomainSettingsResponseCollection execute() throws Exception {
    GetDomainSettingsResponseCollection responses =
        (GetDomainSettingsResponseCollection) this
            .internalExecute();
    if (responses.getErrorCode() == AutodiscoverErrorCode.NoError) {
      this.PostProcessResponses(responses);
    }
    return responses;
  }

  /**
   * Post-process response to GetDomainSettings.
   *
   * @param responses The GetDomainSettings response.
   */
  private void PostProcessResponses(
      GetDomainSettingsResponseCollection responses) {
    // Note:The response collection may not include all of the requested
    // domains if the request has been throttled.
    for (int index = 0; index < responses.getCount(); index++) {
      responses.getResponses().get(index).setDomain(
          this.getDomains().get(index));
    }
  }

  /**
   * Gets the name of the request XML element.
   *
   * @return Request XML element name.
   */
  @Override
  protected String getRequestXmlElementName() {
    return XmlElementNames.GetDomainSettingsRequestMessage;
  }

  /**
   * Gets the name of the response XML element.
   *
   * @return Response XML element name.
   */
  @Override
  protected String getResponseXmlElementName() {
    return XmlElementNames.GetDomainSettingsResponseMessage;
  }

  /**
   * Gets the WS-Addressing action name.
   *
   * @return WS-Addressing action name.
   */
  @Override
  protected String getWsAddressingActionName() {
    return GetDomainSettingsActionUri;
  }

  /**
   * Creates the service response.
   *
   * @return AutodiscoverResponse
   */
  @Override
  protected AutodiscoverResponse createServiceResponse() {
    return new GetDomainSettingsResponseCollection();
  }

  /**
   * Writes the attribute to XML.
   *
   * @param writer The writer.
   * @throws ServiceXmlSerializationException the service xml serialization exception
   */
  @Override
  protected void writeAttributesToXml(EwsServiceXmlWriter writer)
      throws ServiceXmlSerializationException {
    writer.writeAttributeValue("xmlns",
        EwsUtilities.AutodiscoverSoapNamespacePrefix,
        EwsUtilities.AutodiscoverSoapNamespace);
  }

  /**
   * Writes request to XML.
   *
   * @param writer the writer
   * @throws XMLStreamException the XML stream exception
   * @throws ServiceXmlSerializationException the service xml serialization exception
   */
  @Override
  protected void writeElementsToXml(EwsServiceXmlWriter writer)
      throws XMLStreamException, ServiceXmlSerializationException {
    writer.writeStartElement(XmlNamespace.Autodiscover,
        XmlElementNames.Request);

    writer.writeStartElement(XmlNamespace.Autodiscover,
        XmlElementNames.Domains);

    for (String domain : this.getDomains()) {
      if (!(domain == null || domain.isEmpty())) {
        writer.writeElementValue(XmlNamespace.Autodiscover,
            XmlElementNames.Domain, domain);
      }
    }
    writer.writeEndElement(); // Domains

    writer.writeStartElement(XmlNamespace.Autodiscover,
        XmlElementNames.RequestedSettings);
    for (DomainSettingName setting : settings) {
      writer.writeElementValue(XmlNamespace.Autodiscover,
          XmlElementNames.Setting, setting);
    }

    writer.writeEndElement(); // RequestedSettings

    if (this.requestedVersion != null) {
      writer.writeElementValue(XmlNamespace.Autodiscover,
          XmlElementNames.RequestedVersion, this.requestedVersion);
    }

    writer.writeEndElement(); // Request
  }

  /**
   * Gets  the domains.
   *
   * @return the domains
   */
  protected List<String> getDomains() {
    return domains;
  }

  /**
   * Sets the domains.
   *
   * @param value the new domains
   */
  public void setDomains(List<String> value) {
    domains = value;
  }

  /**
   * Gets or sets the settings.
   *
   * @return the settings
   */
  protected List<DomainSettingName> getSettings() {
    return settings;
  }

  /**
   * Sets the settings.
   *
   * @param value the new settings
   */
  public void setSettings(List<DomainSettingName> value) {
    settings = value;
  }

  /**
   * Gets or sets the requestedVersion.
   *
   * @return the requestedVersion
   */
  protected ExchangeVersion getRequestedVersion() {
    return requestedVersion;
  }

  /**
   * Sets the requestedVersion.
   *
   * @param value the new requestedVersion
   */
  public void setRequestedVersion(ExchangeVersion value) {
    requestedVersion = value;
  }

}