/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.test.rest;

import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.rest.AbstractRestChannel;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;

import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

public final class FakeRestChannel extends AbstractRestChannel {
    private final CountDownLatch latch;
    private final AtomicInteger responses = new AtomicInteger();
    private final AtomicInteger errors = new AtomicInteger();

    public FakeRestChannel(RestRequest request, boolean detailedErrorsEnabled, int responseCount) {
        super(request, detailedErrorsEnabled);
        this.latch = new CountDownLatch(responseCount);
    }

    @Override
    public XContentBuilder newBuilder() throws IOException {
        return super.newBuilder();
    }

    @Override
    public XContentBuilder newErrorBuilder() throws IOException {
        return super.newErrorBuilder();
    }

    @Override
    public XContentBuilder newBuilder(@Nullable XContentType requestContentType, boolean useFiltering) throws IOException {
        return super.newBuilder(requestContentType, useFiltering);
    }

    @Override
    protected BytesStreamOutput newBytesOutput() {
        return super.newBytesOutput();
    }

    @Override
    public RestRequest request() {
        return super.request();
    }

    @Override
    public void sendResponse(RestResponse response) {
        if (response.status() == RestStatus.OK) {
            responses.incrementAndGet();
        } else {
            errors.incrementAndGet();
        }
        latch.countDown();
    }

    public boolean await() throws InterruptedException {
        return latch.await(10, TimeUnit.SECONDS);
    }

    public AtomicInteger responses() {
        return responses;
    }

    public AtomicInteger errors() {
        return errors;
    }
}