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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.client;

import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.elasticsearch.client.ccr.CcrStatsRequest;
import org.elasticsearch.client.ccr.DeleteAutoFollowPatternRequest;
import org.elasticsearch.client.ccr.FollowInfoRequest;
import org.elasticsearch.client.ccr.FollowStatsRequest;
import org.elasticsearch.client.ccr.ForgetFollowerRequest;
import org.elasticsearch.client.ccr.GetAutoFollowPatternRequest;
import org.elasticsearch.client.ccr.PauseAutoFollowPatternRequest;
import org.elasticsearch.client.ccr.PauseFollowRequest;
import org.elasticsearch.client.ccr.PutAutoFollowPatternRequest;
import org.elasticsearch.client.ccr.PutFollowRequest;
import org.elasticsearch.client.ccr.ResumeAutoFollowPatternRequest;
import org.elasticsearch.client.ccr.ResumeFollowRequest;
import org.elasticsearch.client.ccr.UnfollowRequest;

import java.io.IOException;

import static org.elasticsearch.client.RequestConverters.REQUEST_BODY_CONTENT_TYPE;
import static org.elasticsearch.client.RequestConverters.createEntity;

final class CcrRequestConverters {

    static Request putFollow(PutFollowRequest putFollowRequest) throws IOException {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(putFollowRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "follow")
            .build();
        Request request = new Request(HttpPut.METHOD_NAME, endpoint);
        RequestConverters.Params parameters = new RequestConverters.Params();
        parameters.withWaitForActiveShards(putFollowRequest.waitForActiveShards());
        request.setEntity(createEntity(putFollowRequest, REQUEST_BODY_CONTENT_TYPE));
        request.addParameters(parameters.asMap());
        return request;
    }

    static Request pauseFollow(PauseFollowRequest pauseFollowRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(pauseFollowRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "pause_follow")
            .build();
        return new Request(HttpPost.METHOD_NAME, endpoint);
    }

    static Request resumeFollow(ResumeFollowRequest resumeFollowRequest) throws IOException {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(resumeFollowRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "resume_follow")
            .build();
        Request request = new Request(HttpPost.METHOD_NAME, endpoint);
        request.setEntity(createEntity(resumeFollowRequest, REQUEST_BODY_CONTENT_TYPE));
        return request;
    }

    static Request unfollow(UnfollowRequest unfollowRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(unfollowRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "unfollow")
            .build();
        return new Request(HttpPost.METHOD_NAME, endpoint);
    }

    static Request forgetFollower(final ForgetFollowerRequest forgetFollowerRequest) throws IOException {
        final String endpoint = new RequestConverters.EndpointBuilder().addPathPart(forgetFollowerRequest.leaderIndex())
            .addPathPartAsIs("_ccr")
            .addPathPartAsIs("forget_follower")
            .build();
        final Request request = new Request(HttpPost.METHOD_NAME, endpoint);
        request.setEntity(createEntity(forgetFollowerRequest, REQUEST_BODY_CONTENT_TYPE));
        return request;
    }

    static Request putAutoFollowPattern(PutAutoFollowPatternRequest putAutoFollowPatternRequest) throws IOException {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "auto_follow")
            .addPathPart(putAutoFollowPatternRequest.getName())
            .build();
        Request request = new Request(HttpPut.METHOD_NAME, endpoint);
        request.setEntity(createEntity(putAutoFollowPatternRequest, REQUEST_BODY_CONTENT_TYPE));
        return request;
    }

    static Request deleteAutoFollowPattern(DeleteAutoFollowPatternRequest deleteAutoFollowPatternRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "auto_follow")
            .addPathPart(deleteAutoFollowPatternRequest.getName())
            .build();
        return new Request(HttpDelete.METHOD_NAME, endpoint);
    }

    static Request getAutoFollowPattern(GetAutoFollowPatternRequest getAutoFollowPatternRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "auto_follow")
            .addPathPart(getAutoFollowPatternRequest.getName())
            .build();
        return new Request(HttpGet.METHOD_NAME, endpoint);
    }

    static Request pauseAutoFollowPattern(PauseAutoFollowPatternRequest pauseAutoFollowPatternRequest) throws IOException {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "auto_follow")
            .addPathPart(pauseAutoFollowPatternRequest.getName())
            .addPathPartAsIs("pause")
            .build();
        return new Request(HttpPost.METHOD_NAME, endpoint);
    }

    static Request resumeAutoFollowPattern(ResumeAutoFollowPatternRequest resumeAutoFollowPatternRequest) throws IOException {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "auto_follow")
            .addPathPart(resumeAutoFollowPatternRequest.getName())
            .addPathPartAsIs("resume")
            .build();
        return new Request(HttpPost.METHOD_NAME, endpoint);
    }

    static Request getCcrStats(CcrStatsRequest ccrStatsRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPartAsIs("_ccr", "stats").build();
        return new Request(HttpGet.METHOD_NAME, endpoint);
    }

    static Request getFollowStats(FollowStatsRequest followStatsRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(followStatsRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "stats")
            .build();
        return new Request(HttpGet.METHOD_NAME, endpoint);
    }

    static Request getFollowInfo(FollowInfoRequest followInfoRequest) {
        String endpoint = new RequestConverters.EndpointBuilder().addPathPart(followInfoRequest.getFollowerIndex())
            .addPathPartAsIs("_ccr", "info")
            .build();
        return new Request(HttpGet.METHOD_NAME, endpoint);
    }

}