<?php
declare(strict_types=1);
namespace App\Repository\Pdo;

use App\Repository\ThresholdRepository;
use PDO;

final class PdoThresholdRepository implements ThresholdRepository
{
    public function __construct(private PDO $pdo) {}

    public function forDevice(string $deviceId): array
    {
        $st = $this->pdo->prepare('SELECT `key`, `value` FROM thresholds WHERE device_id = ?');
        $st->execute([$deviceId]);

        $out = [];
        foreach ($st->fetchAll() as $row) {
            $out[$row['key']] = $row['value'];
        }
        return $out;
    }
}