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1<?php
2
3// ╔════════════════════════════════════════════════════════════╗
4// ║ MIT Licence (#Expat) - https://opensource.org/licenses/MIT ║
5// ║ Copyright 2026 Frederic Poeydomenge <dyno@phexium.com>     ║
6// ╚════════════════════════════════════════════════════════════╝
7
8declare(strict_types=1);
9
10namespace Phexium\Domain\Specification;
11
12use Override;
13
14abstract readonly class UnaryAbstract extends SpecificationAbstract implements SpecificationInterface
15{
16    public function __construct(protected SpecificationInterface $specification) {}
17
18    #[Override]
19    public function toSql(): array
20    {
21        $specSql = $this->specification->toSql();
22
23        $template = $this->getSqlTemplate();
24        $sql = str_replace('SPEC', $specSql['sql'], $template);
25
26        return [
27            'sql' => $sql,
28            'params' => $specSql['params'],
29        ];
30    }
31
32    #[Override]
33    public function toInMemoryFilter(): callable
34    {
35        $filter = $this->specification->toInMemoryFilter();
36
37        return $this->createUnaryFilter($filter);
38    }
39
40    abstract protected function getSqlTemplate(): string;
41
42    abstract protected function evaluateUnary(callable $filter, array $row): bool;
43
44    private function createUnaryFilter(callable $filter): callable
45    {
46        return fn (array $row): bool => $this->evaluateUnary($filter, $row);
47    }
48}