/*
 * 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.
 */

package org.apache.cassandra.distributed.test;

import java.io.IOException;
import java.util.concurrent.ExecutionException;

import org.junit.Test;

import org.apache.cassandra.distributed.Cluster;
import org.apache.cassandra.distributed.api.ConsistencyLevel;
import org.apache.cassandra.service.StorageService;

import static org.apache.cassandra.distributed.shared.AssertUtils.assertRows;
import static org.apache.cassandra.distributed.shared.AssertUtils.row;

public class FrozenUDTTest extends TestBaseImpl
{
    @Test
    public void testAddAndUDTField() throws IOException
    {
        try (Cluster cluster = init(Cluster.build(1).start()))
        {
            cluster.schemaChange("create type " + KEYSPACE + ".a (foo text)");
            cluster.schemaChange("create table " + KEYSPACE + ".x (id int, ck frozen<a>, i int, primary key (id, ck))");
            for (int i = 0; i < 10; i++)
                cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(i) + ", ? )", ConsistencyLevel.ALL, i, i);

            for (int i = 0; i < 10; i++)
                assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(i), ConsistencyLevel.ALL, i),
                           row(i));

            cluster.schemaChange("alter type " + KEYSPACE + ".a add bar text");

            for (int i = 5; i < 15; i++)
                cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(i) + ", ? )", ConsistencyLevel.ALL, i, i);
            cluster.forEach(i -> i.flush(KEYSPACE));

            for (int i = 5; i < 15; i++)
                assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(i), ConsistencyLevel.ALL, i),
                           row(i));
        }
    }

    @Test
    public void testEmptyValue() throws IOException
    {
        try (Cluster cluster = init(Cluster.build(1).start()))
        {
            cluster.schemaChange("create type " + KEYSPACE + ".a (foo text)");
            cluster.schemaChange("create table " + KEYSPACE + ".x (id int, ck frozen<a>, i int, primary key (id, ck))");
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (1, system.fromjson('{\"foo\":\"\"}'), 1)", ConsistencyLevel.ALL);
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (1, system.fromjson('{\"foo\":\"a\"}'), 2)", ConsistencyLevel.ALL);
            cluster.forEach(i -> i.flush(KEYSPACE));

            Runnable check = () -> {
                assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = 1 and ck = system.fromjson('{\"foo\":\"\"}')", ConsistencyLevel.ALL),
                           row(1));
                assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = 1 and ck = system.fromjson('{\"foo\":\"a\"}')", ConsistencyLevel.ALL),
                           row(2));
            };

            check.run();
            cluster.schemaChange("alter type " + KEYSPACE + ".a add bar text");
            check.run();

            assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = 1 and ck = system.fromjson('{\"foo\":\"\",\"bar\":\"\"}')", ConsistencyLevel.ALL));
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (1, system.fromjson('{\"foo\":\"\",\"bar\":\"\"}'), 3)", ConsistencyLevel.ALL);
            check.run();
            assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = 1 and ck = system.fromjson('{\"foo\":\"\",\"bar\":\"\"}')", ConsistencyLevel.ALL),
                       row(3));
        }
    }

    @Test
    public void testUpgradeSStables() throws IOException
    {
        try (Cluster cluster = init(Cluster.build(1).start()))
        {
            cluster.schemaChange("create type " + KEYSPACE + ".a (foo text)");
            cluster.schemaChange("create table " + KEYSPACE + ".x (id int, ck frozen<a>, i int, primary key (id, ck))");
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(1) + ", ? )", ConsistencyLevel.ALL, 1, 1);
            assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(1), ConsistencyLevel.ALL, 1), row(1));
            cluster.forEach(i -> i.flush(KEYSPACE));
            assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(1), ConsistencyLevel.ALL, 1), row(1));

            cluster.schemaChange("alter type " + KEYSPACE + ".a add bar text");
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(2) + ", ? )", ConsistencyLevel.ALL, 2, 2);
            cluster.forEach(i -> i.flush(KEYSPACE));
            assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(2), ConsistencyLevel.ALL, 2), row(2));

            cluster.forEach(i -> i.runOnInstance(() -> {
                try
                {
                    StorageService.instance.upgradeSSTables(KEYSPACE, false, "x");
                }
                catch (IOException | ExecutionException | InterruptedException e)
                {
                    throw new RuntimeException(e);
                }
            }));

            cluster.forEach(i -> i.forceCompact(KEYSPACE, "x"));

            for (int i = 1; i < 3; i++)
                assertRows(cluster.coordinator(1).execute("select i from " + KEYSPACE + ".x WHERE id = ? and ck = " + json(i), ConsistencyLevel.ALL, i),
                           row(i));
        }
    }

    @Test
    public void testDivergentSchemas() throws Throwable
    {
        try (Cluster cluster = init(Cluster.create(2)))
        {
            cluster.schemaChange("create type " + KEYSPACE + ".a (foo text)");
            cluster.schemaChange("create table " + KEYSPACE + ".x (id int, ck frozen<a>, i int, primary key (id, ck))");

            cluster.get(1).executeInternal("alter type " + KEYSPACE + ".a add bar text");
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(1, 1) + ", ? )", ConsistencyLevel.ALL,
                                           1, 1);
            cluster.coordinator(1).execute("insert into " + KEYSPACE + ".x (id, ck, i) VALUES (?, " + json(1, 2) + ", ? )", ConsistencyLevel.ALL,
                                           2, 2);
            cluster.get(2).flush(KEYSPACE);
        }
    }

    private String json(int i)
    {
        return String.format("system.fromjson('{\"foo\":\"%d\"}')", i);
    }

    private String json(int i, int j)
    {
        return String.format("system.fromjson('{\"foo\":\"%d\", \"bar\":\"%d\"}')", i, j);
    }
}
