/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.apache.fineract.infrastructure.hooks.processor;

import static org.apache.fineract.infrastructure.hooks.api.HookApiConstants.contentTypeName;
import static org.apache.fineract.infrastructure.hooks.api.HookApiConstants.payloadURLName;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.fineract.infrastructure.hooks.domain.Hook;
import org.apache.fineract.infrastructure.hooks.domain.HookConfiguration;
import org.apache.fineract.useradministration.domain.AppUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import retrofit.Callback;

@Service
public class ElasticSearchHookProcessor implements HookProcessor {

    @Autowired
    private ProcessorHelper processorHelper;

    private PrintWriter out = null;

    @Override
    public void process(final Hook hook, @SuppressWarnings("unused") final AppUser appUser, final String payload, final String entityName,
            final String actionName, final String tenantIdentifier, final String authToken) {

        final Set<HookConfiguration> config = hook.getHookConfig();

        String url = "";
        String contentType = "";

        for (final HookConfiguration conf : config) {
            final String fieldName = conf.getFieldName();
            if (fieldName.equals(payloadURLName)) {
                url = conf.getFieldValue();
            }
            if (fieldName.equals(contentTypeName)) {
                contentType = conf.getFieldValue();
            }
        }

        sendRequest(url, contentType, payload, entityName, actionName, tenantIdentifier, authToken);

    }

    @SuppressWarnings("unchecked")
    private void sendRequest(final String url, final String contentType, final String payload, final String entityName,
            final String actionName, final String tenantIdentifier, @SuppressWarnings("unused") final String authToken) {

        final String fineractEndpointUrl = System.getProperty("baseUrl");
        final WebHookService service = processorHelper.createWebHookService(url);

        @SuppressWarnings("rawtypes")
        final Callback callback = processorHelper.createCallback(url, payload);

        if (contentType.equalsIgnoreCase("json") || contentType.contains("json")) {
            final JsonObject json = new Gson().fromJson(payload, JsonObject.class);

            service.sendJsonRequest(entityName, actionName, tenantIdentifier, fineractEndpointUrl, json, callback);
        } else {
            Map<String, String> map = new HashMap<>();
            map = new Gson().fromJson(payload, map.getClass());
            service.sendFormRequest(entityName, actionName, tenantIdentifier, fineractEndpointUrl, map, callback);
        }
    }
}