/*
 * LinShare is an open source filesharing software, part of the LinPKI software
 * suite, developed by Linagora.
 * 
 * Copyright (C) 2013 LINAGORA
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version, provided you comply with the Additional Terms applicable for
 * LinShare software by Linagora pursuant to Section 7 of the GNU Affero General
 * Public License, subsections (b), (c), and (e), pursuant to which you must
 * notably (i) retain the display of the “LinShare™” trademark/logo at the top
 * of the interface window, the display of the “You are using the Open Source
 * and free version of LinShare™, powered by Linagora © 2009–2013. Contribute to
 * Linshare R&D by subscribing to an Enterprise offer!” infobox and in the
 * e-mails sent with the Program, (ii) retain all hypertext links between
 * LinShare and linshare.org, between linagora.com and Linagora, and (iii)
 * refrain from infringing Linagora intellectual property rights over its
 * trademarks and commercial brands. Other Additional Terms apply, see
 * <http://www.linagora.com/licenses/> for more details.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License and
 * its applicable Additional Terms for LinShare along with this program. If not,
 * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License
 * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms
 * applicable to LinShare software.
 */
package org.linagora.linshare.core.facade.webservice.admin.impl;

import org.linagora.linshare.core.domain.constants.DomainType;
import org.linagora.linshare.core.domain.entities.AbstractDomain;
import org.linagora.linshare.core.domain.entities.DomainPattern;
import org.linagora.linshare.core.domain.entities.GuestDomain;
import org.linagora.linshare.core.domain.entities.LDAPConnection;
import org.linagora.linshare.core.domain.entities.LdapUserProvider;
import org.linagora.linshare.core.domain.entities.Role;
import org.linagora.linshare.core.domain.entities.RootDomain;
import org.linagora.linshare.core.domain.entities.SubDomain;
import org.linagora.linshare.core.domain.entities.TopDomain;
import org.linagora.linshare.core.exception.BusinessErrorCode;
import org.linagora.linshare.core.exception.BusinessException;
import org.linagora.linshare.core.facade.webservice.admin.DomainFacade;
import org.linagora.linshare.core.service.AbstractDomainService;
import org.linagora.linshare.core.service.AccountService;
import org.linagora.linshare.core.service.UserProviderService;
import org.linagora.linshare.webservice.dto.DomainDto;

public class DomainFacadeImpl extends AdminGenericFacadeImpl
		implements DomainFacade {

	private final AbstractDomainService abstractDomainService;
	
	private final UserProviderService userProviderService;

	public DomainFacadeImpl(final AccountService accountService,
			final AbstractDomainService abstractDomainService,
			final UserProviderService userProviderService) {
		super(accountService);
		this.abstractDomainService = abstractDomainService;
		this.userProviderService = userProviderService;
	}

	@Override
	public DomainDto getDomains() throws BusinessException {
		checkAuthentication(Role.ADMIN);
		RootDomain rootDomain = abstractDomainService.getUniqueRootDomain();
		return new DomainDto(rootDomain);
	}

	@Override
	public void createDomain(DomainDto domainDto) throws BusinessException {
		checkAuthentication(Role.SUPERADMIN);
		AbstractDomain domain = getDomain(domainDto);
		switch (domain.getDomainType()) {
		case TOPDOMAIN:
			abstractDomainService.createTopDomain((TopDomain) domain);
			break;
		case SUBDOMAIN:
			abstractDomainService.createSubDomain((SubDomain) domain);
			break;
		case GUESTDOMAIN:
			abstractDomainService.createGuestDomain((GuestDomain) domain);
			break;
		default:
			throw new BusinessException(BusinessErrorCode.DOMAIN_INVALID_TYPE, "Try to create a root domain");
		}
	}

	@Override
	public void updateDomain(DomainDto domainDto) throws BusinessException {
		checkAuthentication(Role.SUPERADMIN);
		AbstractDomain domain = getDomain(domainDto);
		abstractDomainService.updateDomain(domain);
	}

	@Override
	public void deleteDomain(DomainDto domainDto) throws BusinessException {
		checkAuthentication(Role.SUPERADMIN);
		abstractDomainService.deleteDomain(domainDto.getIdentifier());
	}
	
	private AbstractDomain getDomain(DomainDto domainDto) throws BusinessException {
		checkAuthentication(Role.SUPERADMIN);
		DomainType domainType = DomainType.valueOf(domainDto.getType());
		AbstractDomain parent = abstractDomainService.retrieveDomain(domainDto.getParent());
		AbstractDomain domain = domainType.getDomain(domainDto, parent);
		if (!domainDto.getProviders().isEmpty()) {
			String baseDn = domainDto.getProviders().get(0).getBaseDn();
			String domainPatternId = domainDto.getProviders().get(0).getDomainPatternId();
			String ldapConnectionId = domainDto.getProviders().get(0).getLdapConnectionId();
			LDAPConnection ldapConnection = userProviderService.retrieveLDAPConnection(ldapConnectionId);
			DomainPattern domainPattern = userProviderService.retrieveDomainPattern(domainPatternId);	
			domain.setUserProvider(new LdapUserProvider(baseDn, ldapConnection, domainPattern));
		}
		return domain;
	}
}
