<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\Exception\InvalidArgumentException;
use Symfony\Component\Validator\Exception\MissingOptionsException;

/**
 * @Annotation
 * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class Length extends Constraint
{
    const TOO_SHORT_ERROR = '9ff3fdc4-b214-49db-8718-39c315e33d45';
    const TOO_LONG_ERROR = 'd94b19cc-114f-4f44-9cc4-4138e80a87b9';
    const INVALID_CHARACTERS_ERROR = '35e6a710-aa2e-4719-b58e-24b35749b767';

    protected static $errorNames = [
        self::TOO_SHORT_ERROR => 'TOO_SHORT_ERROR',
        self::TOO_LONG_ERROR => 'TOO_LONG_ERROR',
        self::INVALID_CHARACTERS_ERROR => 'INVALID_CHARACTERS_ERROR',
    ];

    public $maxMessage = 'This value is too long. It should have {{ limit }} character or less.|This value is too long. It should have {{ limit }} characters or less.';
    public $minMessage = 'This value is too short. It should have {{ limit }} character or more.|This value is too short. It should have {{ limit }} characters or more.';
    public $exactMessage = 'This value should have exactly {{ limit }} character.|This value should have exactly {{ limit }} characters.';
    public $charsetMessage = 'This value does not match the expected {{ charset }} charset.';
    public $max;
    public $min;
    public $charset = 'UTF-8';
    public $normalizer;
    public $allowEmptyString = false;

    public function __construct($options = null)
    {
        if (null !== $options && !\is_array($options)) {
            $options = [
                'min' => $options,
                'max' => $options,
            ];
        } elseif (\is_array($options) && isset($options['value']) && !isset($options['min']) && !isset($options['max'])) {
            $options['min'] = $options['max'] = $options['value'];
            unset($options['value']);
        }

        parent::__construct($options);

        if (null === $this->min && null === $this->max) {
            throw new MissingOptionsException(sprintf('Either option "min" or "max" must be given for constraint "%s".', __CLASS__), ['min', 'max']);
        }

        if (null !== $this->normalizer && !\is_callable($this->normalizer)) {
            throw new InvalidArgumentException(sprintf('The "normalizer" option must be a valid callable ("%s" given).', get_debug_type($this->normalizer)));
        }
    }
}
