<?php
namespace Module\ACM\Classe\Classe;

use DateTime;
use Module\ACM\Classe\GestionBD\gestionVariableDate;
class gestionJourFerier {
    private array $listeJourFerier;

    public function __construct() {
        $listeJour = gestionVariableDate::getACMFeries();
        foreach ($listeJour as $jour) {
            if ($jour['regle'] == "fixe"){
                $this->listeJourFerier[$jour['nom']] = ["date"=> new DateTime((new DateTime())->format("Y")."-".$jour['mois']."-".$jour['jour']), "actif" => $jour['actif']];
            }elseif ($jour['regle'] == "paque"){
                $paque =$this->paque(intval((new DateTime())->format("Y")));
                $date = $paque->modify("+".$jour['jour']." day");
                $this->listeJourFerier[$jour['nom']] = ["date"=> $date, "actif" => $jour['actif']];
            }
        }
    }
    public function getListeJourFerier() {
        $liste = [];
        foreach ($this->listeJourFerier as $key=>$jour) $liste[$key] = $jour["date"];
        return $liste;
    }
    public function getListeJourFerierActif() {
        $liste = [];
        foreach ($this->listeJourFerier as $key=>$jour)
            if ($jour['actif'] == 'actif') $liste[$key] = $jour["date"];
        return $liste;
    }
    private function paque(int $year): \DateTime {
        $k = intdiv($year, 100);
        $m = 15 + intdiv((3 * $k + 3), 4) - intdiv((8 * $k + 13), 25);
        $s = 2 - intdiv((3 * $k + 3), 4);
        $a = $year % 19;
        $d = (19 * $a + $m) % 30;
        $r = intdiv(($d + intdiv($a, 11)), 29);

        $og = 21 + $d - $r ;
        $sz = 7 - ($year + intdiv($year, 4) + $s) % 7;
        $oe = 7 - ($og - $sz) % 7;
        $os = $og + $oe;

        $result = new \DateTime(sprintf('%04s-03-01', $year));
        $result->add(
            \DateInterval::createFromDateString(
                sprintf('%s days', $os-1)
            )
        );
        return $result;
    }

}