/*
 * Licensed to Laurent Broudoux (the "Author") under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Author 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 io.github.microcks.web;

import io.github.microcks.service.ImportExportService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.List;

/**
 * A Controller for getting an export of microcks repository.
 * @author laurent
 */
@org.springframework.web.bind.annotation.RestController
@RequestMapping("/api")
public class ExportController {

   /** A simple logger for diagnostic messages. */
   private static Logger log = LoggerFactory.getLogger(ExportController.class);

   @Autowired
   private ImportExportService importExportService;

   @RequestMapping(value = "/export", method = RequestMethod.GET)
   public ResponseEntity<?> exportRepository(@RequestParam(value = "serviceIds") List<String> serviceIds) {
      log.debug("Extracting export for serviceIds {}", serviceIds);
      String json = importExportService.exportRepository(serviceIds, "json");

      byte[] body = json.getBytes();
      HttpHeaders responseHeaders = new HttpHeaders();
      responseHeaders.setContentType(MediaType.APPLICATION_JSON);
      responseHeaders.set("Content-Disposition", "attachment; filename=microcks-repository.json");
      responseHeaders.setContentLength(body.length);

      return new ResponseEntity<Object>(body, responseHeaders, HttpStatus.OK);
   }
}
