/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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.
 */
package org.glite.security.voms.admin.view.actions.manager;

import java.util.List;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.InterceptorRef;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import org.glite.security.voms.admin.operations.group_manager.CreateGroupManagerOperation;
import org.glite.security.voms.admin.persistence.dao.VOMSGroupDAO;
import org.glite.security.voms.admin.persistence.dao.generic.DAOFactory;
import org.glite.security.voms.admin.persistence.model.GroupManager;
import org.glite.security.voms.admin.persistence.model.VOMSGroup;
import org.glite.security.voms.admin.view.actions.BaseAction;

import com.opensymphony.xwork2.Preparable;
import com.opensymphony.xwork2.validator.annotations.EmailValidator;
import com.opensymphony.xwork2.validator.annotations.RegexFieldValidator;
import com.opensymphony.xwork2.validator.annotations.RequiredStringValidator;
import com.opensymphony.xwork2.validator.annotations.StringLengthFieldValidator;
import com.opensymphony.xwork2.validator.annotations.ValidatorType;

@Results({
  @Result(name = BaseAction.SUCCESS, location = "index",
    type = "redirectAction"),
  @Result(name = BaseAction.INPUT, location = "managerCreate") })
@InterceptorRef(value = "authenticatedStack", params = {
  "token.includeMethods", "execute" })
public class CreateAction extends BaseAction implements Preparable {

  private static final long serialVersionUID = 1L;

  Long groupId;

  String name;
  String description;
  String emailAddress;

  List<VOMSGroup> voGroups;

  VOMSGroup group;

  @Override
  @Action("create-input")
  public String input() throws Exception {
    return super.input();
  }
  @Override
  public void validate() {

    group = groupById(getGroupId());

    if (group == null)
      addFieldError("groupId", "'" + getGroupId()
        + "' is not a valid group id!");

    GroupManager managerWithSameName = DAOFactory.instance()
      .getGroupManagerDAO().findByName(name);

    if (managerWithSameName != null)
      addFieldError("name",
        "Name is already taken, please choose a different name!");

  }

  @Override
  public String execute() throws Exception {

    GroupManager gm = new GroupManager();

    gm.setName(name);
    gm.setDescription(description);
    gm.setEmailAddress(emailAddress);
    gm.getManagedGroups().add(group);

    new CreateGroupManagerOperation(gm).execute();

    addActionMessage("Manager created succesfully: " + gm.getName());

    return SUCCESS;
  }

  @Override
  public void prepare() throws Exception {

    voGroups = VOMSGroupDAO.instance().findAllWithoutRootGroup();
  }

  /**
   * @return the voGroups
   */
  public List<VOMSGroup> getVoGroups() {

    return voGroups;
  }

  /**
   * @return the groupId
   */
  public Long getGroupId() {

    return groupId;
  }

  /**
   * @param groupId
   *          the groupId to set
   */
  public void setGroupId(Long groupId) {

    this.groupId = groupId;
  }

  @RequiredStringValidator(type = ValidatorType.FIELD,
    message = "Please enter an email address for the manager.")
  @EmailValidator(type = ValidatorType.FIELD,
    message = "Please enter a valid email address.")
  @RegexFieldValidator(type = ValidatorType.FIELD,
    message = "The email field name contains illegal characters!",
    regex = "^[^<>&=;]*$")
  public String getEmailAddress() {

    return emailAddress;
  }

  /**
   * @param emailAddress
   *          the emailAddress to set
   */
  public void setEmailAddress(String emailAddress) {

    this.emailAddress = emailAddress;
  }

  @RequiredStringValidator(type = ValidatorType.FIELD,
    message = "A name for the manager is required!")
  @RegexFieldValidator(type = ValidatorType.FIELD,
    message = "The manager name field contains illegal characters!",
    regex = "^[^<>&=;]*$")
  public String getName() {

    return name;
  }

  /**
   * @param name
   *          the name to set
   */
  public void setName(String name) {

    this.name = name;
  }

  @RegexFieldValidator(type = ValidatorType.FIELD,
    message = "The description field contains illegal characters!",
    regex = "^[^<>&=;]*$")
  @StringLengthFieldValidator(type = ValidatorType.FIELD, maxLength = "255",
    message = "The description field size is limited to 255 characters.")
  public String getDescription() {

    return description;
  }

  /**
   * @param description
   *          the description to set
   */
  public void setDescription(String description) {

    this.description = description;
  }

}