package jumpstart.web.services;

import jumpstart.web.translators.YesNoTranslator;
import jumpstart.web.validators.Letters;

import org.apache.tapestry5.Translator;
import org.apache.tapestry5.Validator;
import org.apache.tapestry5.ioc.Configuration;
import org.apache.tapestry5.ioc.MappedConfiguration;
import org.apache.tapestry5.ioc.OrderedConfiguration;
import org.apache.tapestry5.ioc.ServiceBinder;
import org.apache.tapestry5.ioc.annotations.InjectService;
import org.apache.tapestry5.services.BindingFactory;
import org.apache.tapestry5.services.BindingSource;
import org.apache.tapestry5.services.Dispatcher;

/**
 * This module is automatically included as part of the Tapestry IoC Registry, it's a good place to
 * configure and extend Tapestry, or to place your own service definitions.
 * See http://tapestry.apache.org/tapestry5/tapestry-ioc/module.html
 */
public class AppModule {

	// Add 3 services to those provided by Tapestry.
	// - IBusinessServicesLocator and CountryNames are used by pages which ask Tapestry to @Inject them.
	// - ProtectedPageGateKeeper is contributed, below, to Tapestry's MasterDispatcher.

	public static void bind(ServiceBinder binder) {
		binder.bind(IBusinessServicesLocator.class, BusinessServicesLocator.class);
		binder.bind(CountryNames.class);
		binder.bind(ProtectedPageGateKeeper.class).withId("ProtectedPageGateKeeper");
	}

	// Tell Tapestry about our custom validators, translators, and their message files.
	// We do this by contributing to Tapestry's FieldValidatorSource service, TranslatorSource service,
	// and ValidationMessagesSource service.

	@SuppressWarnings("unchecked")
	public static void contributeFieldValidatorSource(MappedConfiguration<String, Validator> configuration) {
		configuration.add("letters", new Letters());
	}

	@SuppressWarnings("unchecked")
	public static void contributeTranslatorSource(Configuration<Translator> configuration) {
		configuration.add(new YesNoTranslator());
	}

	public void contributeValidationMessagesSource(Configuration<String> configuration) {
		configuration.add("jumpstart/web/validators/ValidationMessages");
		configuration.add("jumpstart/web/translators/TranslationMessages");
	}

	// Tell Tapestry which locales we support.
	// We do this by contributing to Tapestry's ApplicationDefaults service.

	public static void contributeApplicationDefaults(MappedConfiguration<String, String> configuration) {
		configuration.add("tapestry.supported-locales", "en_US,en_GB,fr");
	}

	// Tell Tapestry how to handle a new binding prefix, "list:" (we use "list:" in at least one place, UserSearch.tml).
	// We do this by contributing to Tapestry's BindingSource service.
	// - Based on http://wiki.apache.org/tapestry/Tapestry5HowToAddBindingPrefix

	public static void contributeBindingSource(MappedConfiguration<String, BindingFactory> configuration,
			BindingSource bindingSource) {
		configuration.add("list", new ListBindingFactory(bindingSource));
	}

	// Tell Tapestry where to slot our ProtectedPageGateKeeper into its chain of dispatchers
	// We do this by contributing to Tapestry's Master Dispatcher.
	// - ProtectedPageGateKeeper prevents access to pages marked as @ProtectedPage unless logged in.
	// - Dispatchers are described in http://tapestry.apache.org/tapestry5/guide/request.html .
	// - Based on http://wiki.apache.org/tapestry/Tapestry5HowToControlAccess

	public void contributeMasterDispatcher(OrderedConfiguration<Dispatcher> configuration,
			@InjectService("ProtectedPageGateKeeper")
			Dispatcher protectedPageGateKeeper) {
		configuration.add("ProtectedPageGateKeeper", protectedPageGateKeeper, "before:PageRender");
	}
}