/*
 * Copyright (C) 2008-2019, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.config;

import com.juick.service.activities.DeleteUserEvent;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.client.DefaultResponseErrorHandler;

import javax.annotation.Nonnull;
import javax.inject.Inject;
import java.io.IOException;
import java.net.URI;
import java.nio.charset.StandardCharsets;

@Component
public class ActivityPubClientErrorHandler extends DefaultResponseErrorHandler {
    private static final Logger logger = LoggerFactory.getLogger("ActivityPub");

    @Inject
    private ApplicationEventPublisher applicationEventPublisher;
    @Override
    public void handleError(URI contextUri, HttpMethod method, @Nonnull ClientHttpResponse response) throws IOException {
        logger.warn("HTTP ERROR {} {} : {}", response.getStatusCode().value(),
                response.getStatusText(), IOUtils.toString(response.getBody(), StandardCharsets.UTF_8));
        if (response.getStatusCode().equals(HttpStatus.GONE)) {
            logger.warn("Server report {} is gone, deleting", contextUri.toASCIIString());
            applicationEventPublisher.publishEvent(new DeleteUserEvent(this, contextUri.toASCIIString()));
        }
    }
}