<?php

namespace Nette\Schema;

use Nette;
use Nette\Utils\Reflection;

/**
 * @internal
 */
final class Helpers
{
    use Nette\StaticClass;

    public const PreventMerging = '_prevent_merging';
    public const PREVENT_MERGING = self::PreventMerging;

    /**
     * Merges dataset. Left has higher priority than right one.
     * @return array|string
     */
    public static function merge($value, $base)
    {
        if (is_array($value) && isset($value[self::PreventMerging])) {
            unset($value[self::PreventMerging]);
            return $value;
        }

        if (is_array($value) && is_array($base)) {
            $index = 0;
            foreach ($value as $key => $val) {
                if ($key === $index) {
                    $base[] = $val;
                    $index++;
                } else {
                    $base[$key] = static::merge($val, $base[$key] ?? null);
                }
            }

            return $base;

        } elseif ($value === null && is_array($base)) {
            return $base;

        } else {
            return $value;
        }
    }

    public static function getPropertyType(\ReflectionProperty $prop): ?string
    {
        if (!class_exists(Nette\Utils\Type::class)) {
            throw new Nette\NotSupportedException('Expect::from() requires nette/utils 3.x');
        } elseif ($type = Nette\Utils\Type::fromReflection($prop)) {
            return (string) $type;
        } elseif ($type = preg_replace('#\s.*#', '', (string) self::parseAnnotation($prop, 'var'))) {
            $class = Reflection::getPropertyDeclaringClass($prop);
            return preg_replace_callback('#[\w\\\\]+#', function ($m) use ($class) {
                return Reflection::expandClassName($m[0], $class);
            }, $type);
        }

        return null;
    }

    /**
     * Returns an annotation value.
     * @param  \ReflectionProperty  $ref
     */
    public static function parseAnnotation(\Reflector $ref, string $name): ?string
    {
        if (!Reflection::areCommentsAvailable()) {
            throw new Nette\InvalidStateException('You have to enable phpDoc comments in opcode cache.');
        }

        $re = '#[\s*]@' . preg_quote($name, '#') . '(?=\s|$)(?:[ \t]+([^@\s]\S*))?#';
        if ($ref->getDocComment() && preg_match($re, trim($ref->getDocComment(), '/*'), $m)) {
            return $m[1] ?? '';
        }

        return null;
    }

    /**
     * @param  mixed  $value
     */
    public static function formatValue($value): string
    {
        if (is_object($value)) {
            return 'object ' . get_class($value);
        } elseif (is_string($value)) {
            return "'" . Nette\Utils\Strings::truncate($value, 15, '...') . "'";
        } elseif (is_scalar($value)) {
            return var_export($value, true);
        } else {
            return strtolower(gettype($value));
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzQyNzg1NTI4NDUzNDU4MSAxOTgyNDk4ODU5Mjk4NzczIDQxOTY0MzkzMjI5MTg0NTU=