/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.keycloak.testsuite.admin.client.authorization;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import static org.keycloak.common.Profile.Feature.UPLOAD_SCRIPTS;

import java.util.Collections;

import javax.ws.rs.NotFoundException;
import javax.ws.rs.core.Response;

import org.junit.Before;
import org.junit.Test;
import org.keycloak.admin.client.resource.AuthorizationResource;
import org.keycloak.admin.client.resource.JSPoliciesResource;
import org.keycloak.admin.client.resource.JSPolicyResource;
import org.keycloak.common.Profile;
import org.keycloak.representations.idm.authorization.DecisionStrategy;
import org.keycloak.representations.idm.authorization.JSPolicyRepresentation;
import org.keycloak.representations.idm.authorization.Logic;
import org.keycloak.testsuite.arquillian.annotation.EnableFeature;

/**
 * @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
 */
@EnableFeature(value = UPLOAD_SCRIPTS, skipRestart = true)
public class JSPolicyManagementTest extends AbstractPolicyManagementTest {
    
    @Test
    public void testCreate() {
        AuthorizationResource authorization = getClient().authorization();
        JSPolicyRepresentation representation = new JSPolicyRepresentation();

        representation.setName("JS Policy");
        representation.setDescription("description");
        representation.setDecisionStrategy(DecisionStrategy.CONSENSUS);
        representation.setLogic(Logic.NEGATIVE);
        representation.setCode("$evaluation.grant();");

        assertCreated(authorization, representation);
    }

    @Test
    public void testUpdate() {
        AuthorizationResource authorization = getClient().authorization();
        JSPolicyRepresentation representation = new JSPolicyRepresentation();

        representation.setName("Update JS Policy");
        representation.setDescription("description");
        representation.setDecisionStrategy(DecisionStrategy.CONSENSUS);
        representation.setLogic(Logic.NEGATIVE);
        representation.setCode("$evaluation.grant();");

        assertCreated(authorization, representation);

        representation.setName("changed");
        representation.setDescription("changed");
        representation.setDecisionStrategy(DecisionStrategy.AFFIRMATIVE);
        representation.setLogic(Logic.POSITIVE);
        representation.setCode("$evaluation.deny()");

        JSPoliciesResource policies = authorization.policies().js();
        JSPolicyResource permission = policies.findById(representation.getId());

        permission.update(representation);
        assertRepresentation(representation, permission);
    }

    @Test
    public void testDelete() {
        AuthorizationResource authorization = getClient().authorization();
        JSPolicyRepresentation representation = new JSPolicyRepresentation();

        representation.setName("Test Delete Policy");
        representation.setCode("$evaluation.grant()");

        JSPoliciesResource policies = authorization.policies().js();
        try (Response response = policies.create(representation)) {
            JSPolicyRepresentation created = response.readEntity(JSPolicyRepresentation.class);

            policies.findById(created.getId()).remove();

            JSPolicyResource removed = policies.findById(created.getId());

            try {
                removed.toRepresentation();
                fail("Permission not removed");
            } catch (NotFoundException ignore) {

            }
        }
    }

    private void assertCreated(AuthorizationResource authorization, JSPolicyRepresentation representation) {
        JSPoliciesResource permissions = authorization.policies().js();

        try (Response response = permissions.create(representation)) {
            JSPolicyRepresentation created = response.readEntity(JSPolicyRepresentation.class);
            JSPolicyResource permission = permissions.findById(created.getId());
            assertRepresentation(representation, permission);
        }
    }

    private void assertRepresentation(JSPolicyRepresentation representation, JSPolicyResource permission) {
        JSPolicyRepresentation actual = permission.toRepresentation();
        assertRepresentation(representation, actual, () -> permission.resources(), () -> Collections.emptyList(), () -> permission.associatedPolicies());
        assertEquals(representation.getCode(), actual.getCode());
    }
}
