<?php

declare(strict_types=1);

namespace Nih\CommandBuilder;

use InvalidArgumentException;

trait StreamTrait
{
    /**
     * @param resource $stream
     *
     * @throws InvalidArgumentException When stream is not a stream
     */
    public function __construct(private readonly mixed $stream)
    {
        if (get_resource_type($stream) !== 'stream') {
            throw new InvalidArgumentException('resource is not a stream');
        }
    }

    /**
     * Close the stream.
     *
     * Noop if the stream was already closed.
     *
     * @throws StreamException
     */
    public function close(): void
    {
        if (get_resource_type($this->stream) !== 'stream') {
            return;
        }

        try {
            set_error_handler(StreamException::handleError(...));
            $success = fclose($this->stream);
        } finally {
            restore_error_handler();
        }

        assert($success);
    }

    public function __destruct()
    {
        if (get_resource_type($this->stream) === 'stream') {
            fclose($this->stream);
        }
    }
}