<?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:----NDkyOTU1NjgzNTAzNDQ0MCAxMDUzMzYxOTEyOTE3ODEzIDY5NTU2MTg3NzMxODU4NDI=