package net.curisit.securis.services;

import java.io.IOException;
import java.net.URI;

import javax.annotation.security.RolesAllowed;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriBuilder;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Basic services for login a nd basic app wrkflow
 * 
 * @author roberto <roberto.sanchez@curisit.net>
 */
@Path("/")
public class BasicServices {

	// private LicenseHelper licenseHelper = InjectorFactory.getInjector().getInstance(LicenseHelper.class);
	private static final Logger log = LoggerFactory.getLogger(BasicServices.class);

	public BasicServices() {
	}

	/**
	 * 
	 * @return the server version in format majorVersion.minorVersion
	 */
	@GET
	@Produces(
		{ MediaType.TEXT_HTML })
	public Response index(@Context HttpServletRequest request) {
		log.info("index session: " + request.getSession());
		URI uri = UriBuilder.fromUri("/login").build();
		return Response.seeOther(uri).build();
		// return Response.ok().entity("License server").build();
	}

	@GET
	@Path("/login")
	@Produces(
		{ MediaType.TEXT_HTML })
	public Response login(@Context HttpServletRequest request) {
		log.info("index login: " + request.getSession());
		try {
			String index = IOUtils.toString(this.getClass().getResourceAsStream("/static/login.html"));
			return Response.ok().entity(index).build();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return Response.serverError().build();
	}

	@POST
	@Path("/login")
	@Produces(
		{ MediaType.TEXT_HTML })
	public Response login(@FormParam("user") String user, @FormParam("password") String password, @Context HttpServletRequest request) {
		log.info("index session: " + request.getSession());
		log.info("Request: " + request.getParameter("user"));
		log.info("is user in role: {} == {} ? ", "advance", request.isUserInRole("advance"));
		// log.info("user: {} == {} ? " + request.getParameter("user"), user);
		request.getSession().setAttribute("user", user);
		URI uri = UriBuilder.fromUri("/main").build();
		return Response.seeOther(uri).build();
	}

	/**
	 * @return the version of the three entities that can be synchronized (Users, DataSet and Settings)
	 */
	@GET
	@Path("/main")
	@Produces(
		{ MediaType.TEXT_HTML })
	@RolesAllowed("advance")
	public Response main(@Context HttpServletRequest request) {
		try {
			log.info("Is user in role advance: {}", request.isUserInRole("advance"));
			String index = IOUtils.toString(this.getClass().getResourceAsStream("/static/main.html"));
			return Response.ok().entity(index).build();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return Response.status(Status.FORBIDDEN).build();

	}

	@GET
	@Path("/logout")
	@Produces(
		{ MediaType.TEXT_HTML })
	public Response logout(@Context HttpServletRequest request) {
		request.getSession().setAttribute("user", null);
		URI uri = UriBuilder.fromUri("/login").build();
		return Response.seeOther(uri).build();

	}

	//
	// private <T> ServiceResponse<T> buildErrorResponse(ServiceResponse<T> response, String msgErrorCode) {
	// response.setSuccess(false);
	// response.setErrorMessage(localManager.getString(msgErrorCode));
	// response.setErrorMessageCode(msgErrorCode);
	// return response;
	// }
	//
	// private Date calculateCaducation() {
	// Integer licenseExpiration = systemParams.getParamAsInt(SystemParams.Keys.CONFIG_SERVER_LICENSE_EXPIRATION);
	// if (licenseExpiration == null)
	// licenseExpiration = DEFAULT_LICENSE_EXPIRATION;
	// return Utils.addDays(new Date(), licenseExpiration);
	// }
	//
	// private boolean validateLicense(String license) {
	// BasicApplication ba = basicApplicationDao.findByLicense(license);
	// return (ba != null);
	// }
	//
	// private boolean validateVersion(int minorVersion, int majorVersion) {
	// return (versionManager.getMajorVersion() == majorVersion);
	// }
	//
	// private BasicApplication findBasicApp(String license) {
	// BasicApplication ba = basicApplicationDao.findByLicense(license);
	// return ba;
	// }
	//
	// private License generateLicense() {
	// // TODO complete all field of the license
	// License license = new License();
	// license.setCustomerCode(systemParams.getParam(SystemParams.Keys.CONFIG_COMMON_CUSTOMER_CODE));
	// license.setCSCode(systemParams.getParam(SystemParams.Keys.CONFIG_COMMON_CS_CODE));
	// license.setCRCLogo("00000000");
	// license.setExpirationDate(calculateCaducation());
	// license.setInstallCode(codeGenerator.generateInstalationNumber());
	// return license;
	// }

}