<?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:----NjI4OTYzNDU4ODc4ODA0MCA4OTgxMDAxOTY3NTM2NzYgMzQ2Mjk4MTYwNTU2NjM4MA==