/*

 *  Copyright 2006 The National Library of New Zealand

 *

 *  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.webcurator.ui.site.validator;



import org.springframework.validation.Errors;

import org.springframework.validation.ValidationUtils;

import org.webcurator.core.sites.SiteManager;

import org.webcurator.ui.common.validation.AbstractBaseValidator;

import org.webcurator.ui.common.validation.ValidatorUtil;

import org.webcurator.ui.site.command.SiteAuthorisingAgencyCommand;



/**

 * Validate the saving of a harvest ahuthorisation.

 * @author nwaight

 */

public class SiteAgencyValidator extends AbstractBaseValidator {



	private SiteManager siteManager = null;

	

	/* (non-Javadoc)

	 * @see org.springframework.validation.Validator#supports(java.lang.Class)

	 */

	public boolean supports(Class clazz) {		

		return SiteAuthorisingAgencyCommand.class.equals(clazz);

	}

	

	private boolean isEmpty(String aString) {

		return aString == null || aString.trim().equals("");

	}

	



	/* (non-Javadoc)

	 * @see org.springframework.validation.Validator#validate(java.lang.Object, org.springframework.validation.Errors)

	 */

	public void validate(Object aCmd, Errors aErrors) {

		SiteAuthorisingAgencyCommand cmd = (SiteAuthorisingAgencyCommand) aCmd;

		if ("Save".equals(cmd.getCmdAction())) {

			ValidationUtils.rejectIfEmptyOrWhitespace(aErrors, "name", "required", new Object[] {"Name"}, "Name is a required field.");

			ValidationUtils.rejectIfEmptyOrWhitespace(aErrors, "contact", "required", new Object[] {"Contact"}, "Contact is a required field.");

			

			Long oid = null;

			if(!isEmpty(cmd.getIdentity()) && !cmd.getIdentity().startsWith("t")) {

				oid = Long.parseLong(cmd.getIdentity());

			}

		

			if( !siteManager.isAuthAgencyNameUnique( oid, cmd.getName())) {

				aErrors.reject("site.errors.authagent.duplicatename", new Object[] { cmd.getName() }, "");

			}			

			

			boolean phoneBlank = (cmd.getPhoneNumber() == null || cmd.getPhoneNumber().trim().equals(""));

			boolean emailBlank = (cmd.getEmail() == null || cmd.getEmail().trim().equals(""));

			boolean addrBlank = (cmd.getAddress() == null || cmd.getAddress().trim().equals(""));

			

			if (phoneBlank && emailBlank && addrBlank) {

				aErrors.reject("one.of.required", new Object[] {"Phone, Email and Address"}, "One of the fields Phone, Email and Address must be populated.");

			}

			

			if (!aErrors.hasErrors()) {

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getName(), 255, "string.maxlength", new Object[] {"Name", "255"}, "Name is too long");

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getDescription(), 2048, "string.maxlength", new Object[] {"Description", "2048"}, "Description is too long");

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getContact(), 255, "string.maxlength", new Object[] {"Contact", "255"}, "Contact is too long");

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getAddress(), 2048, "string.maxlength", new Object[] {"Address", "2048"}, "Address is too long");

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getPhoneNumber(), 32, "string.maxlength", new Object[] {"Phone", "32"}, "Phone is too long");

				ValidatorUtil.validateStringMaxLength(aErrors, cmd.getEmail(), 255, "string.maxlength", new Object[] {"Email", "255"}, "Email is too long");

                

			}

            

            if (!aErrors.hasErrors()) {

                ValidatorUtil.validateRegEx(aErrors,cmd.getEmail(),ValidatorUtil.EMAIL_VALIDATION_REGEX,"invalid.email",new Object[] {"Email"},"Invalid email address");

            }

		}

	}



	/**

	 * @param siteManager The siteManager to set.

	 */

	public void setSiteManager(SiteManager siteManager) {

		this.siteManager = siteManager;

	}

}