package at.ac.tuwien.sepm.assignment.groupphase.missioncontrol.service;

import static org.hamcrest.CoreMatchers.is;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidEmployeeException;
import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
import at.ac.tuwien.sepm.assignment.groupphase.missioncontrol.dao.EmployeeDAO;
import at.ac.tuwien.sepm.assignment.groupphase.missioncontrol.dao.EmployeeDatabaseDAO;
import at.ac.tuwien.sepm.assignment.groupphase.missioncontrol.dto.Employee;
import at.ac.tuwien.sepm.assignment.groupphase.missioncontrol.dto.Employee.EducationLevel;
import java.time.LocalDate;
import org.junit.Assert;
import org.junit.Test;

public class EmployeeServiceTest {

    private final EmployeeDAO employeePersistence = mock(EmployeeDatabaseDAO.class);
    private final EmployeeService employeeService = new EmployeeServiceImpl(employeePersistence);

    private final Employee.Builder employeeBuilder =
            Employee.builder()
                    .name("Testperson")
                    .birthday(LocalDate.parse("1996-10-10"))
                    .educationLevel(EducationLevel.NKA)
                    .isDriver(true)
                    .isPilot(false);

    public EmployeeServiceTest() throws PersistenceException {
        when(employeePersistence.add(any())).thenReturn(1L);
    }

    @Test
    public void testAddValidEmployee() throws ServiceException, InvalidEmployeeException {

        Employee employee = employeeBuilder.build();
        Assert.assertThat(employeeService.add(employee), is(1L));
    }

    @Test(expected = InvalidEmployeeException.class)
    public void testAddInvalidEmployee() throws InvalidEmployeeException, ServiceException {

        Employee employee = employeeBuilder.name("").build();
        employeeService.add(employee);
    }

    @Test
    public void testUpdateValidEmployee() throws ElementNotFoundException, PersistenceException {

        Employee employee = employeeBuilder.build();
        employeePersistence.update(employee);
    }

    @Test(expected = ElementNotFoundException.class)
    public void testUpdateNonExistentEmployee()
            throws ElementNotFoundException, PersistenceException {

        doThrow(ElementNotFoundException.class).when(employeePersistence).update(any());
        Employee employee = employeeBuilder.id(1000).build();
        employeePersistence.update(employee);
    }
}