package com.github.searls.jasmine.io.scripts;
   
   import com.github.searls.jasmine.collections.CollectionHelper;
   
   import java.io.File;
   import java.util.ArrayList;
   import java.util.List;
   
   public class ResolvesLocationOfPreloadSources {
  
    private CollectionHelper collectionHelper = new CollectionHelper();
    private ConvertsFileToUriString convertsFileToUriString = new ConvertsFileToUriString();
  
    public List<String> resolve(List<String> preloadSources, File sourceDir, File specDir) {
      List<String> sources = new ArrayList<String>();
      for (String source : collectionHelper.list(preloadSources)) {
        if (fileCouldNotBeAdded(new File(sourceDir, source), sources)
          && fileCouldNotBeAdded(new File(specDir, source), sources)
          && fileCouldNotBeAdded(new File(source), sources)) {
          sources.add(source);
        }
      }
      return sources;
    }
  
    private boolean fileCouldNotBeAdded(File file, List<String> sourcePaths) {
      boolean canAdd = file.exists();
      if (canAdd) {
        sourcePaths.add(convertsFileToUriString.convert(file));
      }
      return !canAdd;
    }
  
  }