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package io.sphere.sdk.client;

import play.libs.F;
import scala.concurrent.Promise;
import scala.concurrent.Promise$;

import java.util.concurrent.CompletionStage;

final class PlayJavaSphereClientImpl implements PlayJavaSphereClient {
    private final SphereClient sphereClient;

    private PlayJavaSphereClientImpl(final SphereClient sphereClient) {
        this.sphereClient = sphereClient;
    }

    @Override
    public  F.Promise execute(final SphereRequest sphereRequest) {
        return convert(sphereClient.execute(sphereRequest));
    }

    @Override
    public void close() {
        sphereClient.close();
    }

    private static  F.Promise convert(final CompletionStage stage) {
        final Promise scalaPromise = Promise$.MODULE$.apply();
        stage.whenCompleteAsync((value, throwable) -> {
            if (throwable == null) {
                scalaPromise.success(value);
            } else {
                scalaPromise.failure(throwable);
            }
        });
        return F.Promise.wrap(scalaPromise.future());
    }

    public static PlayJavaSphereClient of(final SphereClient sphereClient) {
        return new PlayJavaSphereClientImpl(sphereClient);
    }
}