<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Tester;

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Output\StreamOutput;

/**
 * @author Amrouche Hamza <hamza.simperfit@gmail.com>
 *
 * @internal
 */
trait TesterTrait
{
    /** @var StreamOutput */
    private $output;
    private $inputs = array();

    /**
     * Gets the display returned by the last execution of the command or application.
     *
     * @param bool $normalize Whether to normalize end of lines to \n or not
     *
     * @return string The display
     */
    public function getDisplay($normalize = false)
    {
        rewind($this->output->getStream());

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

        if ($normalize) {
            $display = str_replace(PHP_EOL, "\n", $display);
        }

        return $display;
    }

    /**
     * Gets the input instance used by the last execution of the command or application.
     *
     * @return InputInterface The current input instance
     */
    public function getInput()
    {
        return $this->input;
    }

    /**
     * Gets the output instance used by the last execution of the command or application.
     *
     * @return OutputInterface The current output instance
     */
    public function getOutput()
    {
        return $this->output;
    }

    /**
     * Gets the status code returned by the last execution of the command or application.
     *
     * @return int The status code
     */
    public function getStatusCode()
    {
        return $this->statusCode;
    }

    /**
     * Sets the user inputs.
     *
     * @param $inputs array An array of strings representing each input
     *              passed to the command input stream
     *
     * @return self
     */
    public function setInputs(array $inputs)
    {
        $this->inputs = $inputs;

        return $this;
    }

    private static function createStream(array $inputs)
    {
        $stream = fopen('php://memory', 'r+', false);

        fwrite($stream, implode(PHP_EOL, $inputs));
        rewind($stream);

        return $stream;
    }
}