<?php

namespace TorstenHettstedt\TimekeepingApi\Repositories;

use DateInterval;
use DateTime;
use DateTimeInterface;
use PDO;
use TorstenHettstedt\TimekeepingApi\Models\PeriodDesignationEnum;

class WorkingHoursWeeklyViewRepository extends AbstractWorkingHoursViewRepository
{

    protected const SQL_SELECT = <<<SQL
        select 
            "Woche" as "period",
            "Gesamtarbeitszeit" as "totalHours",
            "Arbeitstage" as "workingDays",
            "Überstunden" as "overtime"
        from "Arbeitszeiten - Woche"
SQL;
    protected const SQL_WHERE = ' where "Woche" = ?';

    protected PDO                   $database;
    protected PeriodDesignationEnum $periodDesignation;

    public function __construct(PDO $database)
    {
        parent::__construct($database);
        $this->periodDesignation = PeriodDesignationEnum::WEEKLY();
    }

    protected function buildDateFromPeriod(string $period): DateTimeInterface
    {
        $time_array = explode('#', $period);
        $year = (int)$time_array[0];
        $week = (int)$time_array[1] - 1;
        $date = new DateTime('first day of January ' . $year);
        $date->modify('monday this week');
        $date->add(new DateInterval(sprintf('P%dW', $week)));
        return $date;
    }
}