/*
 * 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;

import org.hamcrest.Matchers;
import org.junit.Before;
import org.junit.Test;
import org.keycloak.admin.client.resource.RoleByIdResource;
import org.keycloak.events.admin.OperationType;
import org.keycloak.representations.idm.RoleRepresentation;
import org.keycloak.testsuite.Assert;
import org.keycloak.testsuite.util.AdminEventPaths;
import org.keycloak.testsuite.util.ClientBuilder;
import org.keycloak.testsuite.util.RoleBuilder;

import javax.ws.rs.NotFoundException;
import javax.ws.rs.core.Response;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static org.junit.Assert.*;

/**
 * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
 */
public class RoleByIdResourceTest extends AbstractAdminTest {

    private RoleByIdResource resource;

    private Map<String, String> ids = new HashMap<>();
    private String clientUuid;

    @Before
    public void before() {
        adminClient.realm(REALM_NAME).roles().create(RoleBuilder.create().name("role-a").description("Role A").build());
        adminClient.realm(REALM_NAME).roles().create(RoleBuilder.create().name("role-b").description("Role B").build());

        Response response = adminClient.realm(REALM_NAME).clients().create(ClientBuilder.create().clientId("client-a").build());
        clientUuid = ApiUtil.getCreatedId(response);
        adminClient.realm(REALM_NAME).clients().get(clientUuid).roles().create(RoleBuilder.create().name("role-c").description("Role C").build());

        for (RoleRepresentation r : adminClient.realm(REALM_NAME).roles().list()) {
            ids.put(r.getName(), r.getId());
        }

        for (RoleRepresentation r : adminClient.realm(REALM_NAME).clients().get(clientUuid).roles().list()) {
            ids.put(r.getName(), r.getId());
        }

        resource = adminClient.realm(REALM_NAME).rolesById();

        assertAdminEvents.clear(); // Tested in RealmRolesTest already
    }

    @Test
    public void getRole() {
        RoleRepresentation role = resource.getRole(ids.get("role-a"));
        assertNotNull(role);
        assertEquals("role-a", role.getName());
        assertEquals("Role A", role.getDescription());
        assertFalse(role.isComposite());
    }

    @Test
    public void updateRole() {
        RoleRepresentation role = resource.getRole(ids.get("role-a"));

        role.setName("role-a-new");
        role.setDescription("Role A New");

        resource.updateRole(ids.get("role-a"), role);
        assertAdminEvents.assertEvent(realmId, OperationType.UPDATE, AdminEventPaths.roleByIdResourcePath(ids.get("role-a")), role);

        role = resource.getRole(ids.get("role-a"));

        assertNotNull(role);
        assertEquals("role-a-new", role.getName());
        assertEquals("Role A New", role.getDescription());
        assertFalse(role.isComposite());
    }

    @Test
    public void deleteRole() {
        assertNotNull(resource.getRole(ids.get("role-a")));
        resource.deleteRole(ids.get("role-a"));
        assertAdminEvents.assertEvent(realmId, OperationType.DELETE, AdminEventPaths.roleByIdResourcePath(ids.get("role-a")));

        try {
            resource.getRole(ids.get("role-a"));
            fail("Expected 404");
        } catch (NotFoundException e) {
        }
    }

    @Test
    public void composites() {
        assertFalse(resource.getRole(ids.get("role-a")).isComposite());
        assertEquals(0, resource.getRoleComposites(ids.get("role-a")).size());

        List<RoleRepresentation> l = new LinkedList<>();
        l.add(RoleBuilder.create().id(ids.get("role-b")).build());
        l.add(RoleBuilder.create().id(ids.get("role-c")).build());
        resource.addComposites(ids.get("role-a"), l);

        // TODO adminEvents: Fix once composite roles events will be fixed...
        assertAdminEvents.assertEvent(realmId, OperationType.CREATE, Matchers.startsWith(AdminEventPaths.roleByIdResourceCompositesPath(ids.get("role-a"))));
        assertAdminEvents.assertEvent(realmId, OperationType.CREATE, Matchers.startsWith(AdminEventPaths.roleByIdResourceCompositesPath(ids.get("role-a"))));

        Set<RoleRepresentation> composites = resource.getRoleComposites(ids.get("role-a"));

        assertTrue(resource.getRole(ids.get("role-a")).isComposite());
        Assert.assertNames(composites, "role-b", "role-c");

        Set<RoleRepresentation> realmComposites = resource.getRealmRoleComposites(ids.get("role-a"));
        Assert.assertNames(realmComposites, "role-b");

        Set<RoleRepresentation> clientComposites = resource.getClientRoleComposites(ids.get("role-a"), clientUuid);
        Assert.assertNames(clientComposites, "role-c");

        resource.deleteComposites(ids.get("role-a"), l);
        assertAdminEvents.assertEvent(realmId, OperationType.DELETE, AdminEventPaths.roleByIdResourceCompositesPath(ids.get("role-a")));

        assertFalse(resource.getRole(ids.get("role-a")).isComposite());
        assertEquals(0, resource.getRoleComposites(ids.get("role-a")).size());

    }

}
