<?php

declare(strict_types=1);

namespace App\Repository;

use PDO;

final class DictionaryRepository
{
    public function __construct(private PDO $pdo)
    {
    }

    public function getEntityByCode(string $code): ?array
    {
        $st = $this->pdo->prepare('SELECT * FROM dd_entities WHERE code = :c AND is_active IS TRUE');
        $st->execute([':c' => $code]);
        $e = $st->fetch(PDO::FETCH_ASSOC);
        if (!$e) {
            return null;
        }

        $e['fields'] = $this->getFields((int)$e['id']);
        $e['rules']  = $this->getRules((int)$e['id']);
        return $e;
    }

    public function getFields(int $entityId): array
    {
        $st = $this->pdo->prepare('SELECT * FROM dd_fields WHERE entity_id = :id ORDER BY ui_order NULLS LAST, id');
        $st->execute([':id' => $entityId]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    }

    public function getRules(int $entityId): array
    {
        $st = $this->pdo->prepare('SELECT * FROM dd_rules WHERE entity_id = :id AND active IS TRUE');
        $st->execute([':id' => $entityId]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    }

    public function getEnum(string $name): array
    {
        $st = $this->pdo->prepare('
          SELECT ev.code, ev.label
          FROM dd_enums e JOIN dd_enum_values ev ON ev.enum_id = e.id
          WHERE e.name = :n AND ev.active IS TRUE
          ORDER BY ev.sort_order, ev.id
        ');
        $st->execute([':n' => $name]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    }
}