/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
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package org.apache.kafka.common.requests;

import org.apache.kafka.common.acl.AccessControlEntryFilter;
import org.apache.kafka.common.acl.AclBindingFilter;
import org.apache.kafka.common.acl.AclOperation;
import org.apache.kafka.common.acl.AclPermissionType;
import org.apache.kafka.common.errors.UnsupportedVersionException;
import org.apache.kafka.common.resource.PatternType;
import org.apache.kafka.common.resource.ResourcePatternFilter;
import org.apache.kafka.common.resource.ResourceType;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

public class DescribeAclsRequestTest {
    private static final short V0 = 0;
    private static final short V1 = 1;

    private static final AclBindingFilter LITERAL_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.TOPIC, "foo", PatternType.LITERAL),
        new AccessControlEntryFilter("User:ANONYMOUS", "127.0.0.1", AclOperation.READ, AclPermissionType.DENY));

    private static final AclBindingFilter PREFIXED_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.GROUP, "prefix", PatternType.PREFIXED),
        new AccessControlEntryFilter("User:*", "127.0.0.1", AclOperation.CREATE, AclPermissionType.ALLOW));

    private static final AclBindingFilter ANY_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.GROUP, "bar", PatternType.ANY),
        new AccessControlEntryFilter("User:*", "127.0.0.1", AclOperation.CREATE, AclPermissionType.ALLOW));

    private static final AclBindingFilter UNKNOWN_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.UNKNOWN, "foo", PatternType.LITERAL),
        new AccessControlEntryFilter("User:ANONYMOUS", "127.0.0.1", AclOperation.READ, AclPermissionType.DENY));

    @Test
    public void shouldThrowOnV0IfPrefixed() {
        assertThrows(UnsupportedVersionException.class, () -> new DescribeAclsRequest.Builder(PREFIXED_FILTER).build(V0));
    }

    @Test
    public void shouldThrowIfUnknown() {
        assertThrows(IllegalArgumentException.class, () -> new DescribeAclsRequest.Builder(UNKNOWN_FILTER).build(V0));
    }

    @Test
    public void shouldRoundTripLiteralV0() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(LITERAL_FILTER).build(V0);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V0);

        assertRequestEquals(original, result);
    }

    @Test
    public void shouldRoundTripAnyV0AsLiteral() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(ANY_FILTER).build(V0);
        final DescribeAclsRequest expected = new DescribeAclsRequest.Builder(
            new AclBindingFilter(new ResourcePatternFilter(
                ANY_FILTER.patternFilter().resourceType(),
                ANY_FILTER.patternFilter().name(),
                PatternType.LITERAL),
                ANY_FILTER.entryFilter())).build(V0);

        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V0);
        assertRequestEquals(expected, result);
    }

    @Test
    public void shouldRoundTripLiteralV1() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(LITERAL_FILTER).build(V1);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V1);
        assertRequestEquals(original, result);
    }

    @Test
    public void shouldRoundTripPrefixedV1() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(PREFIXED_FILTER).build(V1);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V1);
        assertRequestEquals(original, result);
    }

    @Test
    public void shouldRoundTripAnyV1() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(ANY_FILTER).build(V1);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V1);
        assertRequestEquals(original, result);
    }

    private static void assertRequestEquals(final DescribeAclsRequest original, final DescribeAclsRequest actual) {
        final AclBindingFilter originalFilter = original.filter();
        final AclBindingFilter acttualFilter = actual.filter();
        assertEquals(originalFilter, acttualFilter);
    }
}
