<?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:----OTA4MDc5MjkyODUzNjA0MCA3MTE2MzAxMTY2MDA4NDY2IDgzNDcyODg5OTE3MTY1Mjk=