/**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * 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.redisson.reactive;

import java.lang.reflect.Method;
import java.util.concurrent.Callable;

import org.redisson.api.RFuture;
import org.redisson.misc.ProxyBuilder;
import org.redisson.misc.ProxyBuilder.Callback;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

/**
 * 
 * @author Nikita Koksharov
 *
 */
public class ReactiveProxyBuilder {

    public static <T> T create(CommandReactiveExecutor commandExecutor, Object instance, Class<T> clazz) {
        return create(commandExecutor, instance, null, clazz);
    }

    public static <T> T create(CommandReactiveExecutor commandExecutor, Object instance, Object implementation, Class<T> clazz) {
        return ProxyBuilder.create(new Callback() {
            @Override
            public Object execute(Callable<RFuture<Object>> callable, Method instanceMethod) {
                Mono<Object> result = commandExecutor.reactive(callable);
                if (instanceMethod.getReturnType().isAssignableFrom(Flux.class)) {
                    Mono<Iterable> monoListResult = result.cast(Iterable.class);
                    return monoListResult.flatMapMany(Flux::fromIterable);
                }
                return result;
            }
        }, instance, implementation, clazz, commandExecutor.getServiceManager());
    }
    
}
