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/*******************************************************************************
 * Copyright (c) 2015, 2016 Automation RockStars Ltd.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License v2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Contributors:
 *     Automation RockStars - initial API and implementation
 *******************************************************************************/
package com.automationrockstars.bmo;

import org.jbehave.core.failures.FailureStrategy;
import org.jbehave.core.failures.UUIDExceptionWrapper;
import org.reflections.Reflections;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.lang.reflect.Method;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;

public class LogAndRethrowFailure implements FailureStrategy {


    public static final CopyOnWriteArrayList errors = new CopyOnWriteArrayList<>();

    private static final Logger LOG = LoggerFactory.getLogger(LogAndRethrowFailure.class);

    @Override
    public void handleFailure(Throwable throwable) throws Throwable {

        if (throwable instanceof UUIDExceptionWrapper) {
            throwable = ((UUIDExceptionWrapper) throwable).getCause();
        }
        for (Method m : discoverFailureHandlers(BmoEmbedder.packageName)) {
            try {
                m.invoke(m.getDeclaringClass().newInstance(), throwable);
            } catch (Throwable ignore) {
                //Doing best effort but needs to call all
            }
        }

        errors.add(throwable);
        LOG.error("Error during step execution.", throwable);
        throw throwable;
    }


    private Set discoverFailureHandlers(String packageName) {
        Reflections search = new Reflections(packageName);
        return search.getMethodsAnnotatedWith(FailureHandler.class);
    }

}