/*
 * 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.pulsar.functions.instance;

import java.util.Collections;
import java.util.List;
import lombok.Data;
import lombok.Getter;
import org.apache.pulsar.functions.proto.Function;
import org.apache.pulsar.functions.proto.Function.FunctionDetails;

/**
 * This is the config passed to the Java Instance. Contains all the information
 * passed to run functions.
 */
@Data
public class InstanceConfig {
    private int instanceId;
    private String functionId;
    private String transformFunctionId;
    private String functionVersion;
    private FunctionDetails functionDetails;
    private int maxBufferedTuples;
    private Function.FunctionAuthenticationSpec functionAuthenticationSpec;
    private int port;
    private String clusterName;
    // Max pending async requests per instance to avoid large number of concurrent requests.
    // Only used in AsyncFunction. Default: 1000
    private int maxPendingAsyncRequests = 1000;
    // Whether the pulsar admin client exposed to function context, default is disabled.
    @Getter
    private boolean exposePulsarAdminClientEnabled = false;
    private int metricsPort;
    private List<String> additionalJavaRuntimeArguments = Collections.emptyList();
    private boolean ignoreUnknownConfigFields;

    /**
     * Get the string representation of {@link #getInstanceId()}.
     *
     * @return the string representation of {@link #getInstanceId()}.
     */
    public String getInstanceName() {
        return "" + instanceId;
    }

    public FunctionDetails getFunctionDetails() {
        return functionDetails;
    }

    public boolean hasValidMetricsPort() {
        return metricsPort > 0 && metricsPort < 65536;
    }
}
