/*
    * The MIT License (MIT)
    *
    * Copyright (c) 2013 - 2023, Tapio Rautonen
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  package org.eluder.coveralls.maven.plugin.httpclient;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.security.Provider;
  import java.security.Security;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.http.HttpEntity;
  import org.apache.http.HttpResponse;
  import org.apache.http.HttpStatus;
  import org.apache.http.client.HttpClient;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.entity.ContentType;
  import org.apache.http.entity.mime.HttpMultipartMode;
  import org.apache.http.entity.mime.MultipartEntityBuilder;
  import org.eluder.coveralls.maven.plugin.ProcessingException;
  import org.eluder.coveralls.maven.plugin.domain.CoverallsResponse;
  
  public class CoverallsClient {
  
      static {
          for (Provider provider : Security.getProviders()) {
              if (provider.getName().startsWith("SunPKCS11")) {
                  Security.removeProvider(provider.getName());
              }
          }
      }
  
      private static final String FILE_NAME = "coveralls.json";
      private static final ContentType MIME_TYPE = ContentType.create("application/octet-stream", "utf-8");
  
      private final String coverallsUrl;
      private final HttpClient httpClient;
      private final ObjectMapper objectMapper;
  
      public CoverallsClient(final String coverallsUrl) {
          this(coverallsUrl, new HttpClientFactory(coverallsUrl).create(), new ObjectMapper());
      }
  
      public CoverallsClient(final String coverallsUrl, final HttpClient httpClient, final ObjectMapper objectMapper) {
          this.coverallsUrl = coverallsUrl;
          this.httpClient = httpClient;
          this.objectMapper = objectMapper;
      }
  
      public CoverallsResponse submit(final File file) throws ProcessingException, IOException {
          HttpEntity entity = MultipartEntityBuilder.create()
                  .setMode(HttpMultipartMode.BROWSER_COMPATIBLE)
                  .addBinaryBody("json_file", file, MIME_TYPE, FILE_NAME)
                  .build();
          HttpPost post = new HttpPost(coverallsUrl);
          post.setEntity(entity);
          HttpResponse response = httpClient.execute(post);
          return parseResponse(response);
      }
  
      private CoverallsResponse parseResponse(final HttpResponse response) throws ProcessingException, IOException {
          HttpEntity entity = response.getEntity();
          ContentType contentType = ContentType.getOrDefault(entity);
          if (contentType.getCharset() == null) {
              throw new ProcessingException(getResponseErrorMessage(response, "Response doesn't contain Content-Type header"));
          }
  
          if (response.getStatusLine().getStatusCode() >= HttpStatus.SC_INTERNAL_SERVER_ERROR) {
              throw new IOException(getResponseErrorMessage(response, "Coveralls API internal error"));
          }
  
          try (BufferedReader reader = new BufferedReader(new InputStreamReader(entity.getContent(), contentType.getCharset()))) {
              CoverallsResponse cr = objectMapper.readValue(reader, CoverallsResponse.class);
              if (cr.isError()) {
                 throw new ProcessingException(getResponseErrorMessage(response, cr.getMessage()));
             }
             return cr;
         } catch (JsonProcessingException ex) {
             throw new ProcessingException(getResponseErrorMessage(response, ex.getMessage()), ex);
         }
     }
 
     private String getResponseErrorMessage(final HttpResponse response, final String message) {
         int status = response.getStatusLine().getStatusCode();
         String reason = response.getStatusLine().getReasonPhrase();
         String errorMessage = "Report submission to Coveralls API failed with HTTP status " + status + ":";
         if (StringUtils.isNotBlank(reason)) {
             errorMessage += " " + reason;
         }
         if (StringUtils.isNotBlank(message)) {
             errorMessage += " (" + message + ")";
         }
         return errorMessage;
     }
 }