/*
 * Copyright (c) 2010-2015 Evolveum
 *
 * 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 com.evolveum.midpoint.certification.impl;

import com.evolveum.midpoint.certification.api.OutcomeUtils;
import com.evolveum.midpoint.prism.PrismContext;
import com.evolveum.midpoint.prism.PrismObjectDefinition;
import com.evolveum.midpoint.repo.api.RepositoryService;
import com.evolveum.midpoint.schema.GetOperationOptions;
import com.evolveum.midpoint.schema.SelectorOptions;
import com.evolveum.midpoint.schema.result.OperationResult;
import com.evolveum.midpoint.task.api.Task;
import com.evolveum.midpoint.util.exception.ObjectNotFoundException;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.xml.ns._public.common.common_3.AccessCertificationCampaignType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.AccessCertificationCaseType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.AccessCertificationResponseType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

import java.util.Collection;
import java.util.Collections;
import java.util.List;

import static com.evolveum.midpoint.xml.ns._public.common.common_3.AccessCertificationResponseType.REVOKE;

/**
 * @author mederly
 */
@Component
public class AccCertGeneralHelper {

    @Autowired
    @Qualifier("cacheRepositoryService")
    private RepositoryService repositoryService;

    @Autowired
    private PrismContext prismContext;

    private PrismObjectDefinition<AccessCertificationCampaignType> campaignObjectDefinition = null;     // lazily evaluated

    public PrismObjectDefinition<AccessCertificationCampaignType> getCampaignObjectDefinition() {
        if (campaignObjectDefinition != null) {
            return campaignObjectDefinition;
        }
        campaignObjectDefinition = prismContext.getSchemaRegistry().findObjectDefinitionByCompileTimeClass(AccessCertificationCampaignType.class);
        if (campaignObjectDefinition == null) {
            throw new IllegalStateException("Couldn't find definition for AccessCertificationCampaignType prism object");
        }
        return campaignObjectDefinition;
    }

    AccessCertificationCampaignType getCampaign(String campaignOid, Collection<SelectorOptions<GetOperationOptions>> options, Task task, OperationResult parentResult) throws ObjectNotFoundException, SchemaException {
        return repositoryService.getObject(AccessCertificationCampaignType.class, campaignOid, options, parentResult).asObjectable();
    }

    // TODO move to OutcomeUtils
    public boolean isRevoke(AccessCertificationCaseType aCase, AccessCertificationCampaignType campaign) {
        AccessCertificationResponseType outcome = OutcomeUtils.fromUri(aCase.getOutcome());
        List<AccessCertificationResponseType> revokes;
        if (campaign.getRemediationDefinition() != null && !campaign.getRemediationDefinition().getRevokeOn().isEmpty()) {
            revokes = campaign.getRemediationDefinition().getRevokeOn();
        } else {
            revokes = Collections.singletonList(REVOKE);
        }
        return revokes.contains(outcome);
    }
}