<?php declare(strict_types = 1);

namespace PHPStan\Type;

use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
use PHPStan\PhpDocParser\Ast\Type\TypeNode;
use PHPStan\TrinaryLogic;

/** @api */
#[InstanceofDeprecated(insteadUse: 'Type::isClassStringType()')]
class ClassStringType extends StringType
{

	/** @api */
	public function __construct()
	{
		parent::__construct();
	}

	public function describe(VerbosityLevel $level): string
	{
		return 'class-string';
	}

	public function accepts(Type $type, bool $strictTypes): AcceptsResult
	{
		if ($type instanceof CompoundType) {
			return $type->isAcceptedBy($this, $strictTypes);
		}

		return new AcceptsResult($type->isClassString(), []);
	}

	public function isSuperTypeOf(Type $type): IsSuperTypeOfResult
	{
		if ($type instanceof CompoundType) {
			return $type->isSubTypeOf($this);
		}

		return new IsSuperTypeOfResult($type->isClassString(), []);
	}

	public function isString(): TrinaryLogic
	{
		return TrinaryLogic::createYes();
	}

	public function isNumericString(): TrinaryLogic
	{
		return TrinaryLogic::createNo();
	}

	public function isDecimalIntegerString(): TrinaryLogic
	{
		return TrinaryLogic::createNo();
	}

	public function isNonEmptyString(): TrinaryLogic
	{
		return TrinaryLogic::createYes();
	}

	public function isNonFalsyString(): TrinaryLogic
	{
		return TrinaryLogic::createYes();
	}

	public function isLiteralString(): TrinaryLogic
	{
		return TrinaryLogic::createMaybe();
	}

	public function isLowercaseString(): TrinaryLogic
	{
		return TrinaryLogic::createMaybe();
	}

	public function isUppercaseString(): TrinaryLogic
	{
		return TrinaryLogic::createMaybe();
	}

	public function isClassString(): TrinaryLogic
	{
		return TrinaryLogic::createYes();
	}

	public function getClassStringObjectType(): Type
	{
		return new ObjectWithoutClassType();
	}

	public function getObjectTypeOrClassStringObjectType(): Type
	{
		return new ObjectWithoutClassType();
	}

	public function toPhpDocNode(): TypeNode
	{
		return new IdentifierTypeNode('class-string');
	}

}