<?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:----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----ATTACHMENT:----NTY3OTk3MDcwNjU4NDQ3NCA2NjY2MDQ5NTk2MzM0ODA3IDgyMTc3ODAyNDQ4MTU1MjU=