/*
 * PatientView
 *
 * Copyright (c) Worth Solutions Limited 2004-2013
 *
 * This file is part of PatientView.
 *
 * PatientView is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * PatientView is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along with PatientView in a file
 * titled COPYING. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package PatientView
 * @link http://www.patientview.org
 * @author PatientView <info@patientview.org>
 * @copyright Copyright (c) 2004-2013, Worth Solutions Limited
 * @license http://www.gnu.org/licenses/gpl-3.0.html The GNU General Public License V3.0
 */

package org.patientview.radar.test.service;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.patientview.model.Centre;
import org.patientview.model.Patient;
import org.patientview.model.enums.NhsNumberType;
import org.patientview.model.enums.SourceType;
import org.patientview.model.generic.DiseaseGroup;
import org.patientview.radar.dao.UserDao;
import org.patientview.radar.model.user.PatientUser;
import org.patientview.radar.service.PatientManager;
import org.patientview.radar.service.UserManager;
import org.patientview.radar.test.TestDataHelper;
import org.patientview.radar.test.TestPvDbSchema;
import org.springframework.test.context.ContextConfiguration;

import javax.inject.Inject;
import java.util.Date;
import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

@RunWith(org.springframework.test.context.junit4.SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:test-context.xml"})
public class UserManagerTest extends TestPvDbSchema {

    @Inject
    private UserDao userDao;

    @Inject
    private UserManager userManager;

    @Inject
    private PatientManager patientManager;



    @Inject
    private TestDataHelper testDataHelper;

    private DiseaseGroup diseaseGroup;

    private Centre centre;


    @Before
    public void setUp() {
        diseaseGroup = new DiseaseGroup();
        diseaseGroup.setId("1");
        diseaseGroup.setName("testGroup");
        diseaseGroup.setShortName("shortName");

        centre = new Centre();
        centre.setUnitCode("testCodeA");

        testDataHelper.createSpecialty();
    }

    /**
     * Create the unit admin who will create the user:
     *      - user, tbl_users, specialuserrole (unitadmin) etc
     *      - usermapping (PV) of username, unitcode e.g. ALPORTS unit, nhsno, specialty (mock this)
     *      - usermapping (RDR) of radarUserId (tbl_users.uID), role (ROLE_PROFESSIONAL)
     *
     * Create a patient using this unit admin (the first patient in the system so not linking madness)
     *      - user, tbl_patient_users, specialuserrole (patient) etc
     *      - usermapping (PV) of username, unitcode e.g. ALPORTS unit, nhsno, specialty (mock this)
     *      - patient record
     */
    @Test
    public void testRadarUnitAdminCanCreatePatientFromScratch() {

    }

    /**
     * This is testing the creation of a record in the tbl patient users table
     *
     * @throws Exception
     */
    @Test
    public void testPatientUserRegistration() throws Exception {
        // create a user row as per patient view
        PatientUser patientUser = new PatientUser();
        patientUser.setName("my user");
        patientUser.setUsername("testusername");
        patientUser.setEmail("test@test.com");
        patientUser.setPassword("passwordhash");
        userDao.createUser(patientUser);

        // create a demographic
        Patient patient = createDemographics("Test", "User", centre, "NHS123", "test@test.com", SourceType.RADAR);

        userManager.addPatientUserOrUpdatePatient(patient);

        // Try and register - will throw an exception as no matching radar number
        patientUser = userManager.getPatientUser(patient.getEmailAddress());

        assertNotNull("registered user is null", patientUser);
        assertNotNull("no password generated", patientUser.getPassword());
        assertEquals("Email not set on user", patient.getEmailAddress(), patientUser.getEmail());
        assertNotNull("Dob not set on user", patientUser.getDateOfBirth());
    }

    /**
     * Get a patient record with a patient view source type and then link a radar patient to it
     *
     *
     */
    @Test
    public void testLinkPatientCreation() throws Exception {

        // Create the link radarPatient
        String linkNhsNo = "897897898";
        Patient pvPatient = createDemographics("Test", "Link", centre, linkNhsNo, "890789@ajkhjk.com", SourceType.PATIENT_VIEW);
        patientManager.save(pvPatient);

        // Set the user to a Patient View user
        testDataHelper.setPatientSource(pvPatient.getId(), SourceType.PATIENT_VIEW);


        Patient linkPatient = patientManager.createLinkPatient(pvPatient);
        linkPatient.setRenalUnit(centre);
        userManager.addPatientUserOrUpdatePatient(linkPatient);

        List<Patient> patients = patientManager.getPatientByNhsNumber(linkNhsNo);

        // Reload the radarPatient
        pvPatient = patientManager.getById(pvPatient.getId());

        assertTrue("There should be two patients with the same nhs number", patients.size() == 2);


    }


    private Patient createDemographics(String forename, String surname, Centre centre, String nhsno,
                                            String email, SourceType sourceType) {
        Patient patient = new Patient();
        patient.setForename(forename);
        patient.setSurname(surname);
        patient.setDob(new Date());
        patient.setNhsNumberType(NhsNumberType.NHS_NUMBER);
        patient.setNhsno(nhsno);
        patient.setRenalUnit(centre);
        patient.setEmailAddress(email);
        patient.setDiseaseGroup(diseaseGroup);
        patient.setSourceType(sourceType.getName());
        return patient;
    }

}