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1<?php
2
3declare(strict_types=1);
4
5/**
6 * Ergonomic utilities for PHP enums, including names, values, lookups, and option maps.
7 *
8 * This file is part of fast-forward/enum project.
9 *
10 * @author   Felipe Sayão Lobato Abreu <github@mentordosnerds.com>
11 * @license  https://opensource.org/licenses/MIT MIT License
12 *
13 * @see      https://github.com/php-fast-forward/enum
14 * @see      https://github.com/php-fast-forward/enum/issues
15 * @see      https://php-fast-forward.github.io/enum/
16 * @see      https://datatracker.ietf.org/doc/html/rfc2119
17 */
18
19namespace FastForward\Enum\Sort;
20
21use FastForward\Enum\ReversibleInterface;
22use FastForward\Enum\Trait\Comparable;
23use FastForward\Enum\Trait\HasNameLookup;
24use FastForward\Enum\Trait\HasNameMap;
25use FastForward\Enum\Trait\HasNames;
26
27enum CaseSensitivity implements ReversibleInterface
28{
29    use Comparable;
30    use HasNameLookup;
31    use HasNameMap;
32    use HasNames;
33
34    case Sensitive;
35    case Insensitive;
36
37    /**
38     * @return static
39     */
40    public function reverse(): static
41    {
42        return match ($this) {
43            self::Sensitive => self::Insensitive,
44            self::Insensitive => self::Sensitive,
45        };
46    }
47
48    /**
49     * @return bool
50     */
51    public function isSensitive(): bool
52    {
53        return $this->is(self::Sensitive);
54    }
55
56    /**
57     * @return bool
58     */
59    public function isInsensitive(): bool
60    {
61        return $this->is(self::Insensitive);
62    }
63
64    /**
65     * @param string $value
66     *
67     * @return string
68     */
69    public function normalize(string $value): string
70    {
71        return $this->isInsensitive() ? mb_strtolower($value) : $value;
72    }
73
74    /**
75     * @param string $left
76     * @param string $right
77     *
78     * @return bool
79     */
80    public function equals(string $left, string $right): bool
81    {
82        return $this->normalize($left) === $this->normalize($right);
83    }
84}