<?php

namespace Rewotec\TimeTracking\Application\Employee;

use Rewotec\TimeTracking\Domain\Model\Employee\AssignableJobFunctionPolicy;
use Rewotec\TimeTracking\Domain\Model\Employee\Employee;
use Rewotec\TimeTracking\Domain\Model\Employee\EmployeeRepository;

/**
 * Class AssignEmployeeHandler
 * @package Rewotec\TimeTracking\Application\Employee
 * @author Michael Borchers <m.borchers@rewotec.com>
 */
final class AssignEmployeeHandler
{
    /** @var AssignableJobFunctionPolicy $jobFunctionPolicy */
    private $jobFunctionPolicy;

    /** @var EmployeeRepository $employees */
    private $employees;

    /**
     * AssignEmployeeHandler constructor.
     * @param AssignableJobFunctionPolicy $jobFunctionPolicy
     * @param EmployeeRepository $employees
     */
    public function __construct(AssignableJobFunctionPolicy $jobFunctionPolicy, EmployeeRepository $employees)
    {
        $this->jobFunctionPolicy = $jobFunctionPolicy;
        $this->employees = $employees;
    }

    /**
     * @param AssignEmployee $command
     */
    public function __invoke(AssignEmployee $command)
    {
        if (!$this->jobFunctionPolicy->isSatisfiedBy($command->jobFunctionId())) {
            // Employees whose job function is not linked to an activity are not assigned.
            return;
        }

        $employee = Employee::assign(
            $command->employeeId(), $command->personnelNumber(), $command->firstName(), $command->lastName(),
            $command->companyId(), $command->startDate(), $command->leavingDate(),
            $command->workerCategory(), $command->jobFunctionId()
        );
        $this->employees->add($employee);
    }
}