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package com.heroku.api.request.builds;

import com.heroku.api.Build;
import com.heroku.api.Heroku;
import com.heroku.api.exception.RequestFailedException;
import com.heroku.api.http.Http;
import com.heroku.api.request.Request;
import com.heroku.api.request.RequestConfig;

import java.util.Collections;
import java.util.Map;

import static com.heroku.api.http.HttpUtil.noBody;
import static com.heroku.api.parser.Json.parse;

/**
 * @author Joe Kutner on 7/27/17.
 *         Twitter: @codefinger
 */
public class BuildInfo implements Request {

  private final RequestConfig config;

  private String buildId;

  public BuildInfo(String appName, String buildId) {
    this.buildId = buildId;
    this.config = new RequestConfig().app(appName);
  }

  @Override
  public Http.Method getHttpMethod() {
    return Http.Method.GET;
  }

  @Override
  public String getEndpoint() {
    return Heroku.Resource.BuildInfo.format(config.getAppName(), buildId);
  }

  @Override
  public boolean hasBody() {
    return false;
  }

  @Override
  public String getBody() {
    throw noBody();
  }

  @Override
  public Map getBodyAsMap() {
    throw noBody();
  }

  @Override
  public Http.Accept getResponseType() {
    return Http.Accept.JSON;
  }

  @Override
  public Map getHeaders() {
    return Collections.emptyMap();
  }

  @Override
  public Build getResponse(byte[] bytes, int status, Map responseHeaders) {
    if (status == Http.Status.OK.statusCode) {
      return parse(bytes, getClass());
    } else {
      throw new RequestFailedException("Unable to get build info.", status, bytes);
    }
  }
}