/**
   * It deletes the tier.
   *
   * @param claudiaData
   * @param tier
   */
  public void delete(ClaudiaData claudiaData, Tier tier)
      throws EntityNotFoundException, InvalidEntityException, InfrastructureException {

    try {
      tier = loadTierWithNetworks(tier.getName(), tier.getVdc(), tier.getEnviromentName());
      log.info(
          "Deleting tier "
              + tier.getName()
              + " from vdc "
              + tier.getVdc()
              + "  env  "
              + tier.getEnviromentName()
              + " "
              + tier.getNetworks());
    } catch (EntityNotFoundException e) {

      String mens =
          "It is not possible to delete the tier " + tier.getName() + " since it is not exist";
      log.error(mens);
      throw new com.telefonica.euro_iaas.commons.dao.EntityNotFoundException(
          Tier.class, mens, tier);
    }

    log.info("Deleting the networks " + tier.getNetworks());

    List<Network> netsAux = new ArrayList<Network>();
    for (Network netNet : tier.getNetworks()) {
      netsAux.add(netNet);
    }

    tier.setNetworks(null);
    tierDao.update(tier);

    for (Network net : netsAux) {

      if (isAvailableToBeDeleted(net)) {
        log.info("Deleting network " + net.getNetworkName());
        try {
          networkManager.delete(net);
        } catch (Exception e) {
          log.info("There is an error to delete the network");
        }
      }
    }
    log.info("Networks deleted");

    try {
      tierDao.remove(tier);
    } catch (Exception e) {
      String mens = "It is not possible to delete the tier since it is not exist " + e.getMessage();
      log.error(mens);
      throw new InvalidEntityException(tier, e);
    }
  }
  private boolean isAvailableToBeDeleted(Network net) {

    List<Tier> tiers = tierDao.findAllWithNetwork(net.getNetworkName());
    if (tiers.isEmpty()) {
      log.info("The network " + net + " can be deleted");
      return true;
    } else {
      log.info(
          "The network "
              + net.getNetworkName()
              + " cannot be deleted. The following tiers are using it");
      for (Tier tier : tiers) {
        log.info(tier.getName());
      }
      return false;
    }
  }
  public void createNetworks(Tier tier)
      throws EntityNotFoundException, InvalidEntityException, AlreadyExistsEntityException {
    List<Network> networkToBeDeployed = new ArrayList<Network>();
    for (Network network : tier.getNetworks()) {
      networkToBeDeployed.add(network);
    }

    for (Network network : networkToBeDeployed) {
      if (networkManager.exists(network.getNetworkName(), network.getVdc(), tier.getRegion())) {
        log.info("the network " + network.getNetworkName() + " already exists");
        network = networkManager.load(network.getNetworkName(), network.getVdc(), tier.getRegion());

      } else {
        network = networkManager.create(network);
      }
      tier.addNetwork(network);
    }
  }
  public void updateTier(ClaudiaData data, Tier tierold, Tier tiernew)
      throws InvalidEntityException, EntityNotFoundException, AlreadyExistsEntityException {

    tierold.setFlavour(tiernew.getFlavour());
    tierold.setFloatingip(tiernew.getFloatingip());
    tierold.setIcono(tiernew.getIcono());
    tierold.setImage(tiernew.getImage());
    tierold.setInitialNumberInstances(tiernew.getInitialNumberInstances());
    tierold.setKeypair(tiernew.getKeypair());
    tierold.setMaximumNumberInstances(tiernew.getMaximumNumberInstances());
    tierold.setMinimumNumberInstances(tiernew.getMinimumNumberInstances());
    tierold.setRegion(tiernew.getRegion());

    update(tierold);

    // Get networks to be delete
    Set<Network> nets = new HashSet<Network>();
    for (Network net : tierold.getNetworks()) {
      nets.add(net);
    }

    // delete networks
    tierold.setNetworks(null);
    update(tierold);

    // adding networks
    for (Network net : tiernew.getNetworks()) {
      log.info("Creating new network " + net.getNetworkName());
      try {
        net = networkManager.create(net);
      } catch (AlreadyExistsEntityException e) {
        net = networkManager.load(net.getNetworkName(), net.getVdc(), net.getRegion());
      }
      tierold.addNetwork(net);
      update(tierold);
    }

    for (Network net : nets) {
      if (isAvailableToBeDeleted(net)) {
        networkManager.delete(net);
      }
    }

    tierold.setProductReleases(null);
    update(tierold);

    if (tiernew.getProductReleases() == null) return;

    for (ProductRelease productRelease : tiernew.getProductReleases()) {
      try {
        productRelease =
            productReleaseManager.load(
                productRelease.getProduct() + "-" + productRelease.getVersion(), data);
      } catch (EntityNotFoundException e) {
        log.error(
            "The new software "
                + productRelease.getProduct()
                + "-"
                + productRelease.getVersion()
                + " is not found");
      }
      tierold.addProductRelease(productRelease);
      update(tierold);
    }
  }
  /**
   * It insert the tier in the database.
   *
   * @param tier
   * @param data
   * @return
   * @throws InvalidEntityException
   * @throws InfrastructureException
   */
  public Tier tierInsertBD(Tier tier, ClaudiaData data)
      throws InvalidEntityException, InfrastructureException {
    List<Network> networskout = new ArrayList();
    try {
      return load(tier.getName(), tier.getVdc(), tier.getEnviromentName());
    } catch (EntityNotFoundException e) {

      // tier.setVdc(data.getVdc());
      // tier.setEnviromentName(data.getService());

      List<ProductRelease> productReleases = new ArrayList();
      if (tier.getProductReleases() != null && tier.getProductReleases().size() != 0) {
        for (ProductRelease p : tier.getProductReleases()) {
          productReleases.add(p);
        }
      } else {

        log.warn("There is not any product release associated to the tier " + tier.getName());
      }

      for (Network p : tier.getNetworks()) {
        networskout.add(p);
      }

      try {
        tier.setProductReleases(null);
        tier.setNetworks(null);
        tier = tierDao.create(tier);
      } catch (Exception e2) {
        String errorMessage =
            "The Tier  " + tier.getName() + "  cannot be created " + e2.getMessage();
        log.error(errorMessage);
        // restore(data, tier);
        throw new InvalidEntityException(errorMessage);
      }

      if (productReleases.size() != 0) {
        for (ProductRelease product : productReleases) {

          try {
            ProductRelease templateProduct =
                productReleaseManager.load(product.getProduct() + "-" + product.getVersion(), data);
            log.info(
                "Adding product release "
                    + templateProduct.getProduct()
                    + "-"
                    + templateProduct.getVersion()
                    + " to tier "
                    + templateProduct.getName());

            mergeAttributes(product, templateProduct);
            mergeMetadatas(product, templateProduct);

            tier.addProductRelease(templateProduct);

            tier = update(tier);
          } catch (Exception e2) {
            String errorMessage =
                "The ProductRelease Object "
                    + product.getProduct()
                    + "-"
                    + product.getVersion()
                    + " is "
                    + "NOT present in Database";
            log.error(errorMessage);
            throw new InvalidEntityException(e2);
          }
        }
      }
    }

    for (Network net : networskout) {

      try {
        net = networkManager.load(net.getNetworkName(), net.getVdc(), net.getRegion());
        log.info("Adding network " + net.getNetworkName() + "-" + " to tier " + tier.getName());
        tier.addNetwork(net);
        update(tier);
      } catch (Exception e2) {
        String errorMessage =
            "The Network Object " + net.getNetworkName() + " is " + "NOT present in Database";
        log.error(errorMessage);
        throw new InvalidEntityException(e2);
      }
    }

    return tier;
  }
  /**
   * It deploys the required networks.
   *
   * @param data
   * @param tierInstance
   * @throws InvalidEntityException
   * @throws InfrastructureException
   * @throws EntityNotFoundException
   */
  public void deployNetworks(ClaudiaData data, TierInstance tierInstance)
      throws InvalidEntityException, InfrastructureException, EntityNotFoundException,
          AlreadyExistsEntityException {
    Tier tier = tierInstance.getTier();
    tier =
        tierManager.loadTierWithNetworks(tier.getName(), data.getVdc(), tier.getEnviromentName());
    // Creating networks...
    log.info(
        "Deploying network for tier instance "
            + tierInstance.getName()
            + " "
            + tier.getNetworks().size()
            + " region "
            + tier.getRegion());
    List<Network> networkToBeDeployed = new ArrayList<Network>();
    for (Network network : tier.getNetworks()) {
      log.info("Network to be added " + network.getNetworkName());
      if (network.getNetworkName().equals("Internet")) {

        tier.setFloatingip("true");
        tier = tierManager.update(tier);
        tierInstance.update(tier);
      } else {
        networkToBeDeployed.add(network);
      }
    }

    for (Network network : networkToBeDeployed) {
      log.info(
          "Network instance to be deployed: "
              + network.getNetworkName()
              + " vdc "
              + data.getVdc()
              + " "
              + network.getRegion()
              + " and federated "
              + network.getfederatedNetwork());
      network = networkManager.load(network.getNetworkName(), data.getVdc(), network.getRegion());
      NetworkInstance networkInst = network.toNetworkInstance();
      log.info(
          "Network instance to be deployed: "
              + network.getNetworkName()
              + " vdc "
              + data.getVdc()
              + " region "
              + networkInst.getRegionName()
              + " and networkInst "
              + network.getfederatedNetwork());

      if (networkInstanceManager.exists(data, networkInst, tier.getRegion())) {
        log.info("the network inst " + networkInst.getNetworkName() + " already exists");
        networkInst =
            networkInstanceManager.load(networkInst.getNetworkName(), data, tier.getRegion());
      } else {
        try {
          log.info("the network inst " + networkInst.getNetworkName() + " do not exists");
          networkInst =
              networkInstanceManager.create(data, networkInst, tierInstance.getTier().getRegion());
        } catch (AlreadyExistsEntityException e2) {
          throw new InvalidEntityException(network);
        } catch (InfrastructureException e) {
          String mens =
              "Error to deploy a network " + network.getNetworkName() + " :" + e.getMessage();
          throw new InfrastructureException(mens);
        }
      }
      log.info("Adding network to tier isntance " + networkInst.getNetworkName());
      tierInstance.addNetworkInstance(networkInst);
    }
  }