<?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:----OTYxOTYyOTU3MTQ1ODYyNyA0NDAyNjc3NDM1ODgyMTczIDE0MzY5MTg3MjUwMTA1MjQ=