/*
 * 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.core.request;

import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.EwsUtilities;
import microsoft.exchange.webservices.data.core.ExchangeService;
import microsoft.exchange.webservices.data.core.XmlAttributeNames;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.service.error.ServiceErrorHandling;
import microsoft.exchange.webservices.data.core.response.CreateAttachmentResponse;
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.ServiceLocalException;
import microsoft.exchange.webservices.data.property.complex.Attachment;
import microsoft.exchange.webservices.data.property.complex.ItemAttachment;

import java.util.ArrayList;
import java.util.ListIterator;

/**
 * Represents a CreateAttachment request.
 */

public final class CreateAttachmentRequest extends
    MultiResponseServiceRequest<CreateAttachmentResponse> {

  /**
   * The parent item id.
   */
  private String parentItemId;

  /**
   * The attachments.
   */
  private ArrayList<Attachment> attachments = new ArrayList<Attachment>();

  /**
   * Gets the attachments.
   *
   * @return attachments
   */
  public ArrayList<Attachment> getAttachments() {
    return attachments;
  }

  /**
   * Initializes a new instance of the class.
   *
   * @param service           the service
   * @param errorHandlingMode the error handling mode
   * @throws Exception
   */
  public CreateAttachmentRequest(ExchangeService service, ServiceErrorHandling errorHandlingMode)
      throws Exception {
    super(service, errorHandlingMode);
  }

  /**
   * Validate request..
   *
   * @throws Exception the exception
   */
  @Override
  protected void validate() throws Exception {
    super.validate();
    EwsUtilities.validateParam(this.parentItemId, "ParentItemId");
  }

  /**
   * Gets the expected response message count.
   *
   * @return Number of expected response messages.
   */
  @Override
  protected int getExpectedResponseMessageCount() {
    return this.attachments.size();
  }

  /**
   * Gets the name of the XML element.
   *
   * @return XML element name.
   */
  @Override public String getXmlElementName() {
    return XmlElementNames.CreateAttachment;
  }

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

  /**
   * Gets the name of the response message XML element.
   *
   * @return XML element name.
   */
  @Override
  protected String getResponseMessageXmlElementName() {
    return XmlElementNames.CreateAttachmentResponseMessage;
  }

  /**
   * Gets the request version.
   *
   * @return Earliest Exchange version in which this request is supported.
   */
  @Override
  protected ExchangeVersion getMinimumRequiredServerVersion() {
    return ExchangeVersion.Exchange2007_SP1;
  }

  /**
   * Gets a value indicating whether the TimeZoneContext SOAP header should be
   * emitted.
   */
  protected boolean emitTimeZoneHeader() throws ServiceLocalException, Exception {
    {

      ListIterator<Attachment> items = this.getAttachments()
          .listIterator();

      while (items.hasNext())

      {

        ItemAttachment itemAttachment = (ItemAttachment) items.next();

        if ((itemAttachment.getItem() != null)
            && itemAttachment
            .getItem()
            .getIsTimeZoneHeaderRequired(false /* isUpdateOperation */)) {
          return true;
        }
      }

      return false;
    }
  }

  /**
   * Gets the parent item id.
   *
   * @return parentItemId
   */
  public String getParentItemId() {
    return parentItemId;
  }

  /**
   * Sets the parent item id.
   *
   * @param parentItemId the new parent item id
   */
  public void setParentItemId(String parentItemId) {
    this.parentItemId = parentItemId;
  }

  /**
   * Writes the elements to XML.
   *
   * @param writer the writer
   * @throws Exception the exception
   */
  @Override
  protected void writeElementsToXml(EwsServiceXmlWriter writer)
      throws Exception {

    writer.writeStartElement(XmlNamespace.Messages,
        XmlElementNames.ParentItemId);
    writer.writeAttributeValue(XmlAttributeNames.Id, this.parentItemId);
    writer.writeEndElement();

    writer.writeStartElement(XmlNamespace.Messages,
        XmlElementNames.Attachments);
    for (Attachment attachment : this.attachments) {
      attachment.writeToXml(writer, attachment.getXmlElementName());
    }
    writer.writeEndElement();

  }

  /**
   * Creates the service response.
   *
   * @param service       the service
   * @param responseIndex the response index
   * @return the creates the attachment response
   */
  @Override
  protected CreateAttachmentResponse createServiceResponse(
      ExchangeService service, int responseIndex) {
    return new CreateAttachmentResponse(
        this.attachments.get(responseIndex));
  }

}