package com.atlassian.refapp.charlie;
   
   import org.codehaus.jettison.json.JSONArray;
   
   import javax.ws.rs.Consumes;
   import javax.ws.rs.GET;
   import javax.ws.rs.POST;
   import javax.ws.rs.Path;
   import javax.ws.rs.PathParam;
  import javax.ws.rs.Produces;
  import javax.ws.rs.WebApplicationException;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  import java.util.List;
  
  import static org.apache.commons.lang.StringUtils.isBlank;
  
  /**
   * REST resource for Charlie administration.
   */
  @Path("admin")
  @Consumes(MediaType.APPLICATION_JSON)
  @Produces(MediaType.APPLICATION_JSON)
  public class CharlieAdminResource {
      private final CharlieStore store;
  
      public CharlieAdminResource(CharlieStore store) {
          this.store = store;
      }
  
      /**
       * Returns the Charlies.
       *
       * @return a JSON array of Charlie keys
       */
      @GET
      public String listCharlies() {
          JSONArray result = new JSONArray();
          for (String charlies : store.getCharlies()) {
              result.put(charlies);
          }
  
          return result.toString();
      }
  
      /**
       * Creates a Charlie.
       *
       * @param key  a String containing the Charlie key
       * @param name a String containing the Charlie name
       */
      @Path("{key}/{name}")
      @POST
      public void createCharlie(@PathParam("key") String key, @PathParam("name") String name) {
          if (isBlank(key) || isBlank(name)) {
              throw new WebApplicationException(Response.Status.BAD_REQUEST);
          }
  
          List<String> charlies = store.getCharlies();
          charlies.add(key);
          store.storeCharlies(charlies);
          store.setCharlieName(key, name);
      }
  }