<?php

namespace ActivityPhp\Type;

use Exception;

/**
 * \ActivityPhp\Type\Validator is an abstract class for
 * attribute validation.
 */
abstract class Validator
{
    /**
     * Contains all custom validators
     *
     * @var array
     *
     * [ 'attributeName' => CustomValidatorClassName::class ]
     */
    protected static $validators = [];

    /**
     * Validate an attribute value for given attribute name and
     * container object.
     *
     * @param string $name
     * @param mixed  $value
     * @param mixed  $container An object
     * @return bool
     * @throws \Exception if $container is not an object
     */
    public static function validate($name, $value, $container)
    {
        if (!is_object($container)) {
            throw new Exception(
                'Given container is not an object'
            );
        }

        // Perform validation
        if (isset(self::$validators[$name])
            && TypeConfiguration::get('undefined_properties') == 'strict'
        ) {
            return self::$validators[$name]->validate(
                $value,
                $container
            );
        }

        // Try to load a default validator
        $validatorName = sprintf(
            '\ActivityPhp\Type\Validator\%sValidator',
            ucfirst($name)
        );

        if (class_exists($validatorName)
            && TypeConfiguration::get('undefined_properties') == 'strict'
        ) {
            self::add($name, $validatorName);
            return self::validate($name, $value, $container);
        }

        // There is no validator for this attribute
        return true;
    }

    /**
     * Add a new validator in the pool.
     * It checks that it implements Validator\Interface
     *
     * @param string $name An attribute name to validate.
     * @param string $class A validator class name
     * @throws \Exception if validator class does not implement
     * \ActivityPhp\Type\Helper\ValidatorInterface
     */
    public static function add($name, $class)
    {
        $validator = new $class();

        if (!($validator instanceof ValidatorInterface)) {
            throw new Exception(
                sprintf(
                    'Validator "%s" MUST implement "%s" interface',
                    get_class($validator),
                    ValidatorInterface::class
                )
            );
        }

        self::$validators[$name] = $validator;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTMzMDAyNDE4NzU2NjM5MiA0NjE0MDEwNDI5Mzk5NzQxIDUxMDExNTAzNzkxNjkwOTE=