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<?php

namespace ZendServer\Validator;

class ApiKeyName extends AbstractZendServerValidator
{
    const INVALID_NAME       = 'invalidName';
    const INVALID_CHARACTERS = 'invalidCharacters';
    const INVALID_WHITESPACE = 'invalidWhitspaces';

    protected $abstractOptions = array(
        'messageTemplates' => array(
            self::INVALID_NAME => "'%value%' is not a valid API name",
            self::INVALID_CHARACTERS => 'API names may not contain ()<>,;:\"/[]?={}%&|',
            self::INVALID_WHITESPACE => 'API names may not start or end with a white space',
        ),
        'translatorDisabled' => true,
        'valueObscured' => false,
        'messageVariables' => array()
    );

    /**
     * @param string $name
     * @return IpRange
     */
    public function setName($name)
    {
        $this->name = $name;
        return $this;
    }
    /* (non-PHPdoc)
     *
     * Based on the HTTP RFC use what the RFC defines as "token" characters, along with space and '@'.
     * This basically means all ASCII characters between 0x20 and 0x7e (including),
     * except for the following characters:
     * ( ) < > , ; : \ " / [ ] ? = { }
     * Also, it cannot begin or end with space.
     * We also, do not allow the following characters which complicate the name handling: %,&,|
     *
     * @see Zend_Validate_Interface::isValid()
     */

    public function isValid($value)
    {
        $this->setValue($value);
        $this->_messages = array();

        if (strlen($value) !== strcspn($value, '()<>,;:\"/[]?={}%&|')) {
            $this->error(self::INVALID_CHARACTERS);
            return false;
        }

        if (0 === preg_match('/^[\x20-\x7e]+$/', $value)) {
            $this->error(self::INVALID_NAME);
            return false;
        }

        if (1 === preg_match('/^(?:\s+.+)|(?:.+\s+)$/m', $value)) {
            $this->error(self::INVALID_WHITESPACE);
            return false;
        }

        return true;
    }

    protected function error($messageKey, $value = null)
    {
        return _t(parent::error($messageKey, $value));
    }
}