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1<?php
2declare(strict_types=1);
3/**
4 * Pop PHP Framework (https://www.popphp.org/)
5 *
6 * @link       https://github.com/popphp/popphp-framework
7 * @author     Nick Sagona, III <nick@popphp.org>
8 * @copyright  Copyright (c) 2009-2026 Nick Sagona, III
9 * @license    https://www.popphp.org/license     New BSD License
10 */
11
12/**
13 * @namespace
14 */
15namespace Pop\Validator;
16
17/**
18 * RegEx validator class
19 *
20 * @category   Pop
21 * @package    Pop\Validator
22 * @author     Nick Sagona, III <nick@popphp.org>
23 * @copyright  Copyright (c) 2009-2026 Nick Sagona, III
24 * @license    https://www.popphp.org/license     New BSD License
25 * @version    5.0.0
26 */
27class RegEx extends AbstractValidator
28{
29
30    /**
31     * Number of regex's that need to be satisgied
32     * @var int
33     */
34    protected $numberToSatisfy = null;
35
36    /**
37     * Constructor
38     *
39     * Instantiate the validator object
40     *
41     * @param  mixed   $value
42     * @param  ?string $message
43     * @param  ?int    $numberToSatisfy
44     */
45    public function __construct(mixed $value = null, ?string $message = null, ?int $numberToSatisfy = null)
46    {
47        parent::__construct($value, $message);
48
49        if ($numberToSatisfy !== null) {
50            $this->setNumberToSatisfy($numberToSatisfy);
51        }
52    }
53
54    /**
55     * Get the number to satisfy
56     *
57     * @return int|null
58     */
59    public function getNumberToSatisfy(): int|null
60    {
61        return $this->numberToSatisfy;
62    }
63
64    /**
65     * Set the number to satisfy
66     *
67     * @param  int $numberToSatisfy
68     * @return static
69     */
70    public function setNumberToSatisfy(int $numberToSatisfy): static
71    {
72        $this->numberToSatisfy = $numberToSatisfy;
73        return $this;
74    }
75
76    /**
77     * Method to evaluate the validator
78     *
79     * @param  mixed $input
80     * @return bool
81     */
82    public function evaluate(mixed $input = null): bool
83    {
84        // Set the input, if passed
85        if ($input !== null) {
86            $this->input = $input;
87        }
88
89        // Set the default message
90        if (!$this->hasMessage()) {
91            $this->generateDefaultMessage();
92        }
93
94        $inputValue = ($this->hasKeyField()) ? $this->getKeyFieldValue() : $this->input;
95
96        if (is_array($this->value)) {
97            if ((int)$this->numberToSatisfy == 0) {
98                $result = true;
99                foreach ($this->value as $value) {
100                    if (!preg_match($value, (string)$inputValue)) {
101                        $result = false;
102                        break;
103                    }
104                }
105                return $result;
106            } else {
107                $satisfied = 0;
108                foreach ($this->value as $value) {
109                    $satisfied += (int)preg_match($value, (string)$inputValue);
110                }
111                return ($satisfied >= (int)$this->numberToSatisfy);
112            }
113        } else {
114            return (bool)(preg_match($this->value, (string)$inputValue));
115        }
116    }
117
118    /**
119     * Generate default message
120
121     * @param  mixed $name
122     * @param  mixed $value
123     * @return string
124     */
125    public function generateDefaultMessage(mixed $name = null, mixed $value = null): string
126    {
127        $this->message = "The " . (($name !== null) ? "'" . $name . "'" : "input") . " format is not correct.";
128        return $this->message;
129    }
130
131}