<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Framework\Constraint;

use function gettype;
use function is_array;
use function is_bool;
use function is_callable;
use function is_float;
use function is_int;
use function is_iterable;
use function is_numeric;
use function is_object;
use function is_scalar;
use function is_string;
use function sprintf;
use PHPUnit\Framework\NativeType;

/**
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 */
final class IsType extends Constraint
{
    private readonly NativeType $type;

    public function __construct(NativeType $type)
    {
        $this->type = $type;
    }

    /**
     * Returns a string representation of the constraint.
     */
    public function toString(): string
    {
        return sprintf(
            'is of type %s',
            $this->type->value,
        );
    }

    /**
     * Returns the negated description when this constraint is wrapped in a
     * LogicalNot operator. The guard ensures that LogicalAnd, LogicalOr, and
     * LogicalXor keep using the affirmative toString().
     */
    protected function toStringInContext(Operator $operator, mixed $role): string
    {
        if (!$operator instanceof LogicalNot) {
            return '';
        }

        return sprintf(
            'is not of type %s',
            $this->type->value,
        );
    }

    /**
     * Evaluates the constraint for parameter $other. Returns true if the
     * constraint is met, false otherwise.
     */
    protected function matches(mixed $other): bool
    {
        switch ($this->type) {
            case NativeType::Numeric:
                return is_numeric($other);

            case NativeType::Int:
                return is_int($other);

            case NativeType::Float:
                return is_float($other);

            case NativeType::String:
                return is_string($other);

            case NativeType::Bool:
                return is_bool($other);

            case NativeType::Null:
                return null === $other;

            case NativeType::Array:
                return is_array($other);

            case NativeType::Object:
                return is_object($other);

            case NativeType::Resource:
                $type = gettype($other);

                return $type === 'resource' || $type === 'resource (closed)';

            case NativeType::ClosedResource:
                return gettype($other) === 'resource (closed)';

            case NativeType::Scalar:
                return is_scalar($other);

            case NativeType::Callable:
                return is_callable($other);

            case NativeType::Iterable:
                return is_iterable($other);

            default:
                // @codeCoverageIgnoreStart
                return false;
                // @codeCoverageIgnoreEnd
        }
    }
}
