<?php

namespace Deblan\Command;

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Command\Command as BaseCommand;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Process\Process;

/**
 * class CheckCommand.
 *
 * @author Simon Vieille <simon@deblan.fr>
 */
class CheckCommand extends BaseCommand
{
    /**
     * @var array
     */
    protected $successes = [];

    /**
     * @var array
     */
    protected $fails = [];

    /**
     * {@inheritdoc}
     */
    protected function configure()
    {
        $this
            ->setName('check')
            ->addArgument('domains', InputArgument::REQUIRED, '');
    }

    /**
     * {@inheritdoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $domains = explode(',', $input->getArgument('domains'));
        $domains = array_map(function ($v) {
            return trim($v);
        }, $domains);

        sort($domains);

        foreach ($domains as $domain) {
            $this->check($domain);
        }

        usort($this->successes, function($a, $b) {
            if ($a[2] > $b[2]) {
                return 1;
            }

            if ($a[2] === $b[2]) {
                if ($a[0] > $b[0]) {
                    return 1;
                }

                return -1;
            }

            return 0;
        });

        foreach ($this->successes as $k => $v) {
            unset($this->successes[$k][2]);
        }

        $results = array_merge($this->successes, $this->fails);

        $table = new Table($output);
        $table
            ->setHeaders(['Domain', 'Date'])
            ->setRows($results);

        $table->render();
    }

    protected function check($domain)
    {
        $process = new Process(['whois', $domain]);
        $process->run();

        if (!$process->isSuccessful()) {
            $this->fails[] = [$domain, 'FAIL'];

            return;
        }

        $whois = $process->getOutput();

        preg_match('/Expiry Date: ([^\s]+)/i', $whois, $match);

        if (!isset($match[0])) {
            $this->fails[] = [$domain, 'FAIL'];

            return;
        }

        $date = new \DateTime($match[1]);

        if ($date->getTimestamp() - time() < 3600*24*14) {
            $color = 'red';
        } elseif ($date->getTimestamp() - time() < 3600*24*30) {
            $color = 'yellow';
        } else {
            $color = 'green';
        }

        $content = sprintf('<fg=%s>%s</>', $color, $date->format('Y-m-d H:i:s'));

        $this->successes[] = [$domain, $content, $date->format('Y-m-d H:i:s')];
    }
}