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/*
 * Copyright 2013-2016 the original author or authors.
 *
 * Licensed 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.cloudfoundry.reactor.client.v3;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.cloudfoundry.reactor.client.CloudFoundryExceptionBuilder;
import org.cloudfoundry.reactor.client.QueryBuilder;
import org.cloudfoundry.reactor.util.AbstractReactorOperations;
import org.cloudfoundry.reactor.util.AuthorizationProvider;
import org.cloudfoundry.reactor.util.MultipartHttpClientRequest;
import org.springframework.web.util.UriComponentsBuilder;
import reactor.core.publisher.Mono;
import reactor.io.netty.http.HttpClient;
import reactor.io.netty.http.HttpClientResponse;
import reactor.io.netty.http.HttpException;

import java.util.function.Function;

public abstract class AbstractClientV3Operations extends AbstractReactorOperations {

    private final ObjectMapper objectMapper;

    protected AbstractClientV3Operations(AuthorizationProvider authorizationProvider, HttpClient httpClient, ObjectMapper objectMapper, Mono root) {
        super(authorizationProvider, httpClient, objectMapper, root);
        this.objectMapper = objectMapper;
    }

    protected final  Mono delete(Object request, Class responseType, Function uriTransformer) {
        return doDelete(request, responseType, getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final  Mono get(Object request, Class responseType, Function uriTransformer) {
        return doGet(responseType, getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final Mono get(Object request, Function uriTransformer) {
        return doGet(getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final  Mono patch(Object request, Class responseType, Function uriTransformer) {
        return doPatch(request, responseType, getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final  Mono post(Object request, Class responseType, Function uriTransformer) {
        return doPost(request, responseType, getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final  Mono post(Object request, Class responseType, Function uriTransformer,
                                     Function> requestTransformer) {

        return doPost(responseType, getUriAugmenter(request, uriTransformer),
            outbound -> requestTransformer.apply(new MultipartHttpClientRequest(this.objectMapper, outbound)))
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    protected final  Mono put(Object request, Class responseType, Function uriTransformer) {
        return doPut(request, responseType, getUriAugmenter(request, uriTransformer), outbound -> outbound)
            .otherwise(HttpException.class, CloudFoundryExceptionBuilder::build);
    }

    private static Function getUriAugmenter(Object request, Function uriTransformer) {
        return builder -> {
            FilterBuilder.augment(builder, request);
            QueryBuilder.augment(builder, request);
            return uriTransformer.apply(builder);
        };
    }

}