/*
    * 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.validation;
  
  import org.apache.commons.lang3.StringUtils;
  import org.eluder.coveralls.maven.plugin.domain.Job;
  import org.eluder.coveralls.maven.plugin.validation.ValidationError.Level;
  
  import java.util.Collections;
  import java.util.List;
  
  public class JobValidator {
  
      private final Job job;
  
      public JobValidator(final Job job) {
          if (job == null) {
              throw new IllegalArgumentException("job must be defined");
          }
          this.job = job;
      }
  
      public ValidationErrors validate() {
          ValidationErrors errors = new ValidationErrors();
          errors.addAll(repoTokenOrTravis());
          errors.addAll(git());
          return errors;
      }
  
      private List<ValidationError> repoTokenOrTravis() {
          if (hasValue(job.getRepoToken())) {
              return Collections.emptyList();
          }
          if (hasValue(job.getServiceName()) && hasValue(job.getServiceJobId())) {
              return Collections.emptyList();
          }
          Level level = (job.isDryRun() ? Level.WARN : Level.ERROR);
          String message = "Either repository token or service with job id must be defined";
          return Collections.singletonList(new ValidationError(level, message));
      }
  
      private List<ValidationError> git() {
          if (job.getGit() == null) {
              return Collections.emptyList();
          }
          if (hasValue(job.getGit().getHead().getId())) {
              return Collections.emptyList();
          }
          return Collections.singletonList(new ValidationError(Level.ERROR, "Commit id for HEAD must be defined"));
      }
  
      private boolean hasValue(final String value) {
          return StringUtils.isNotBlank(value);
      }
  }