package cn.home1.cloud.config.server.monitor;
   
   import lombok.extern.slf4j.Slf4j;
   
   import org.apache.commons.lang3.StringUtils;
   import org.springframework.beans.factory.annotation.Value;
   import org.springframework.cloud.config.monitor.PropertyPathNotificationExtractor;
   
   import java.util.Map;
  import java.util.Set;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  /**
   * 2017/1/17 yanzhang153
   */
  @Slf4j
  public abstract class AbstraceNotificationExtractor implements PropertyPathNotificationExtractor {
  
      private static final Pattern PATH_PATTERN = Pattern.compile("^(https?)://(.+)/(.*)/commit/[a-zA-Z0-9]{7,40}");
      private static final String ALL_APPLICATION_STR = "application";
  
      @Value("${spring.cloud.config.server.common-config.prefix:home1-oss-common}")
      private String commonConfigPrefix;
  
      @Value("${spring.cloud.config.server.common-config.suffix:-common}")
      private String commonConfigSuffix;
  
      protected void addAllPaths(final Set<String> paths, final Map<String, Object> commit, final String name) {
          if (paths.contains(ALL_APPLICATION_STR)) {
              return;
          }
          // example:
          // http://gitlab/configserver/oss-todomvc-app-config/commit/929f67f2b38a6269e7ad63f606c9d89a7d8eb79f
          final String url = (String) commit.get("url");
          log.debug("config server monitor url:{}", url);
          if (StringUtils.isBlank(url)) {
              return;
          }
          final Matcher matcher = PATH_PATTERN.matcher(url);
          if (matcher.matches()) {
              final String repository = matcher.group(3);
              log.debug("will add application pattern, repository name :{}, current result:{}", repository, paths);
              final int lastIndex = repository.lastIndexOf('-');
              if (lastIndex <= 0) {
                  log.info("the suffix of repository name is not ends with -xxx (-config), ignored.");
                  return;
              }
              final String applicationName = repository.substring(0, lastIndex);
              String pattern = null;
              if (applicationName.startsWith(commonConfigPrefix)) {
                  pattern = ALL_APPLICATION_STR;// to all application
              } else {
                  pattern = applicationName;
                  final int idx = applicationName.indexOf('-', 1);
                  if (idx > 0) {
                      pattern = applicationName.substring(0, idx);
                  }
                  pattern = pattern + "*";
              }
              if (paths.add(pattern)) {
                  log.info("add refresh pattern {}, applicationName:{}", pattern, applicationName);
              }
          }
      }
  }