<?php

namespace Roave\BetterReflection\Reflection;

use PhpParser\Node\Identifier;
use PhpParser\Node\IntersectionType;
use PhpParser\Node\Name;
use PhpParser\Node\NullableType;
use PhpParser\Node\UnionType;
use Roave\BetterReflection\Reflector\Reflector;

/**
 * @psalm-immutable
 */
abstract class ReflectionType
{
    /**
     * @internal
     *
     * @psalm-pure
     */
    public static function createFromNode(
        Reflector $reflector,
        ReflectionParameter|ReflectionMethod|ReflectionFunction|ReflectionEnum|ReflectionProperty $owner,
        Identifier|Name|NullableType|UnionType|IntersectionType $type,
        bool $allowsNull = false,
    ): ReflectionNamedType|ReflectionUnionType|ReflectionIntersectionType {
        if ($type instanceof NullableType) {
            $type       = $type->type;
            $allowsNull = true;
        }

        if ($type instanceof Identifier || $type instanceof Name) {
            if (
                $type->toLowerString() === 'null'
                || $type->toLowerString() === 'mixed'
                || ! $allowsNull
            ) {
                return new ReflectionNamedType($reflector, $owner, $type);
            }

            return new ReflectionUnionType(
                $reflector,
                $owner,
                new UnionType([$type, new Identifier('null')]),
            );
        }

        if ($type instanceof IntersectionType) {
            return new ReflectionIntersectionType($reflector, $owner, $type);
        }

        if (! $allowsNull) {
            return new ReflectionUnionType($reflector, $owner, $type);
        }

        foreach ($type->types as $innerUnionType) {
            if (
                ($innerUnionType instanceof Identifier || $innerUnionType instanceof Name)
                && $innerUnionType->toLowerString() === 'null'
            ) {
                return new ReflectionUnionType($reflector, $owner, $type);
            }
        }

        $types   = $type->types;
        $types[] = new Identifier('null');

        return new ReflectionUnionType($reflector, $owner, new UnionType($types));
    }

    /**
     * Does the type allow null?
     */
    abstract public function allowsNull(): bool;

    /**
     * Convert this string type to a string
     *
     * @return non-empty-string
     */
    abstract public function __toString(): string;
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Nzc1NTY5NTY5MzgyNTg1NCA3MTkyNDgzMDM3MjU0MjY3IDgwNDA4Mzc2NTM3NDk5NzA=