<?php

namespace Composer\IO;

use Composer\Pcre\Preg;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\StreamableInputInterface;
use Symfony\Component\Console\Input\StringInput;
use Symfony\Component\Console\Output\StreamOutput;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class BufferIO extends ConsoleIO
{
    /** @var StringInput */
    protected $input;

    /** @var StreamOutput */
    protected $output;

    public function __construct(
        string $input = '',
        int $verbosity = StreamOutput::VERBOSITY_NORMAL,
        ?OutputFormatterInterface $formatter = null,
    ) {
        $input = new StringInput($input);
        $input->setInteractive(false);

        $output = new StreamOutput(fopen('php://memory', 'rw'), $verbosity, $formatter ? $formatter->isDecorated() : false, $formatter);

        parent::__construct($input, $output, new HelperSet([
            new QuestionHelper(),
        ]));
    }

    /**
     * @return string output
     */
    public function getOutput(): string
    {
        fseek($this->output->getStream(), 0);

        $output = stream_get_contents($this->output->getStream());

        $output = Preg::replaceCallback("{(?<=^|\n|\x08)(.+?)(\x08+)}", static function ($matches): string {
            assert(is_string($matches[1]));
            assert(is_string($matches[2]));
            $pre = strip_tags($matches[1]);

            if (strlen($pre) === strlen($matches[2])) {
                return '';
            }

            // TODO reverse parse the string, skipping span tags and \033\[([0-9;]+)m(.*?)\033\[0m style blobs
            return rtrim($matches[1])."\n";
        }, $output);

        return $output;
    }

    /**
     * @param string[] $inputs
     *
     * @see createStream
     */
    public function setUserInputs(array $inputs): void
    {
        if (!$this->input instanceof StreamableInputInterface) {
            throw new \RuntimeException('Setting the user inputs requires at least the version 3.2 of the symfony/console component.');
        }

        $this->input->setStream($this->createStream($inputs));
        $this->input->setInteractive(true);
    }

    /**
     * @param string[] $inputs
     *
     * @return false|resource stream
     */
    private function createStream(array $inputs)
    {
        $stream = fopen('php://memory', 'r+');

        foreach ($inputs as $input) {
            fwrite($stream, $input.PHP_EOL);
        }

        rewind($stream);

        return $stream;
    }
}
__halt_compiler();----SIGNATURE:----oSwOOvqN98ug4xJG4cxFKRuM5c3hzLpE7WFbLv1EwH2DBa5GePUSrD2yEqaP4/nhHjNjJDWEWP6vuy626HA7E7ff8MElibpG3u3bxpoMDWRHcp1GesCwULIhtd44b2Fz3+BAkWEiuj2Zza14Ep//tqp6pmCTkTqtQvs+NGzodnG8L+G+1r9B3R/kAqnLXFM5RyL5oM97H8DxRv3QNGB0PY1z99m4URqvAz6vI9ApWfIBuhRFpY9pT2nOGtUdmGRSdvmJ7l89NbiAk/xTmp747/wn5sSky/UT42BpPTtoXzNX5UKnjnlaipzHghYADDMIUfLW/wgsLPlTeDRJx2MSD82E0JQQyNjbDaz88VJr5bHx81FZJ7UB8+u59H2M+lOj/xU66AQe92TienPDrbYD+qp9xteHU5il4cbR4NkgGYAOV2AKNOYdiXslMomjKAwTxX78BpOJgoGXEg1HTYgh65yzjCpgln0qRoETPQT/bSbXCqw4/fNgOt6HaYOKV18KK5yC34LMbftbPPdvNM5LwQLnoJuqGYwXY8RJZKIH3wMB7YCjshH/lQBh52moIQ0lQI1IsVGGRe04aYh3bJ2saDDzXq7WfYcylNk9Nffs7wp4o1Ob7zWeKmTr+P9LOkfil02RtxcGmh1o8YXekOGsD05lbKIJEzyNgXq6Eurpwqc=----ATTACHMENT:----ODQzMTg5NDYyNzE1MzEzMyA0NjE4ODEyNTUyNjIzNzU2IDkzMjMwOTMxNDQ5MjQzMDk=