/*
 * 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.flink.agents.api.yaml.spec;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.flink.agents.api.yaml.Language;

import java.util.List;
import java.util.Map;

/** Action referencing a user function plus the event types it listens to. */
@JsonIgnoreProperties(ignoreUnknown = false)
public final class ActionSpec {
    private final String name;
    private final String function;
    private final List<String> listenTo;
    private final Map<String, Object> config;
    private final Language type;

    @JsonCreator
    public ActionSpec(
            @JsonProperty(value = "name", required = true) String name,
            @JsonProperty("function") String function,
            @JsonProperty(value = "listen_to", required = true) List<String> listenTo,
            @JsonProperty("config") Map<String, Object> config,
            @JsonProperty("type") Language type) {
        if (listenTo == null || listenTo.isEmpty()) {
            throw new IllegalArgumentException("listen_to must not be empty");
        }
        this.name = name;
        this.function = function;
        this.listenTo = listenTo;
        this.config = config;
        this.type = type;
    }

    public String getName() {
        return name;
    }

    public String getFunction() {
        return function;
    }

    public List<String> getListenTo() {
        return listenTo;
    }

    public Map<String, Object> getConfig() {
        return config;
    }

    public Language getType() {
        return type;
    }
}
