/**
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package org.mifosplatform.infrastructure.hooks.listener;

import org.mifosplatform.infrastructure.core.domain.MifosPlatformTenant;
import org.mifosplatform.infrastructure.core.service.ThreadLocalContextUtil;
import org.mifosplatform.infrastructure.hooks.domain.Hook;
import org.mifosplatform.infrastructure.hooks.event.HookEvent;
import org.mifosplatform.infrastructure.hooks.event.HookEventSource;
import org.mifosplatform.infrastructure.hooks.processor.HookProcessor;
import org.mifosplatform.infrastructure.hooks.processor.HookProcessorProvider;
import org.mifosplatform.infrastructure.hooks.service.HookReadPlatformService;
import org.mifosplatform.infrastructure.security.service.TenantDetailsService;
import org.mifosplatform.useradministration.domain.AppUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class MifosHookListener implements HookListener {

    private final HookProcessorProvider hookProcessorProvider;
    private final HookReadPlatformService hookReadPlatformService;
    private final TenantDetailsService tenantDetailsService;

    @Autowired
    public MifosHookListener(final HookProcessorProvider hookProcessorProvider,
            final HookReadPlatformService hookReadPlatformService,
            final TenantDetailsService tenantDetailsService) {
        this.hookReadPlatformService = hookReadPlatformService;
        this.hookProcessorProvider = hookProcessorProvider;
        this.tenantDetailsService = tenantDetailsService;
    }

    @Override
    public void onApplicationEvent(final HookEvent event) {

        final String tenantIdentifier = event.getTenantIdentifier();
        final MifosPlatformTenant tenant = this.tenantDetailsService
                .loadTenantById(tenantIdentifier);
        ThreadLocalContextUtil.setTenant(tenant);

        final AppUser appUser = event.getAppUser();
        final String authToken = event.getAuthToken();

        final HookEventSource hookEventSource = event.getSource();
        final String entityName = hookEventSource.getEntityName();
        final String actionName = hookEventSource.getActionName();
        final String payload = event.getPayload();

        final List<Hook> hooks = this.hookReadPlatformService
                .retrieveHooksByEvent(hookEventSource.getEntityName(),
                        hookEventSource.getActionName());

        for (final Hook hook : hooks) {
            final HookProcessor processor = this.hookProcessorProvider
                    .getProcessor(hook);
            processor.process(hook, appUser, payload, entityName, actionName,
                    tenantIdentifier, authToken);
        }
    }

}