<?php

namespace App\Schedule\UseCases\SetAssignmentCompletion;

use App\Auth\Clock;
use App\Exceptions\BadRequestException;
use App\Exceptions\NotFoundException;
use App\Schedule\ScheduleAssignment;
use App\Schedule\ScheduleRepository;

class SetAssignmentCompletion
{
    public function __construct(
        private ScheduleRepository $scheduleRepository,
        private Clock $clock,
    ) {}

    /**
     * @throws BadRequestException
     * @throws NotFoundException
     */
    public function execute(
        SetAssignmentCompletionRequest $request,
    ): ScheduleAssignment {
        if ($request->completed === null) {
            throw new BadRequestException(
                'completed must be a boolean',
            );
        }

        $assignment = $this->scheduleRepository->findAssignmentForUser(
            $request->assignmentId,
            $request->user,
        );
        if ($assignment === null) {
            throw new NotFoundException('assignment not found');
        }

        if ($request->completed) {
            $assignment->complete($this->clock->now());
        } else {
            $assignment->reopen();
        }

        return $this->scheduleRepository->updateAssignment($assignment);
    }
}