<?php

namespace App\Commands;

use Illuminate\Console\Scheduling\Schedule;
use LaravelZero\Framework\Commands\Command;
use Illuminate\Support\Facades\File;

use App\Facades\Install;

use Hackzilla\PasswordGenerator\Generator\ComputerPasswordGenerator;
use Hackzilla\PasswordGenerator\RandomGenerator\Php7RandomGenerator;

/**
 *  Install Mariadb
 *
 *  @author Björn Hase, Tentakelfabrik
 *  @license http://opensource.org/licenses/MIT The MIT License
 *  @link https://gitea.tentakelfabrik.de/Tentakelfabrik/mcp
 *
 */
class MariadbInstallCommand extends Command
{
    // destination for username and password
    const MCP_LOG_FILE = '/root/mcp.log';

    // length for password
    const PASSWORD_LENGTH = 40;

    /**
     * The signature of the command.
     *
     * @var string
     */
    protected $signature = 'mariadb:install {version=10.4}';

    /**
     * The description of the command.
     *
     * @var string
     */
    protected $description = 'Install Mariadb and set configuration';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->info('Mariadb install...');
        $version = $this->argument('version');

        exec('apt update 2>&1', $output);

        // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
        $this->line(implode("\n", Install::filterAptMessages($output)));

        if ($version === '10.4') {

            $this->info('Mariadb try install 10.04...');

            // getting release
            $release = Install::getDistributionRelease();

            if (Install::getDistributionId() === 'Ubuntu' &&  ($release === '18.04' || $release === '20.04')) {
                $this->info('Mariadb install for Ubuntu '.$release.'...');

                $output = [];
                exec('apt install -y software-properties-common 2>&1', $output);
                exec('apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8 2>&1', $output);
                exec('add-apt-repository -y "deb [arch=amd64,arm64,ppc64el] http://mariadb.mirror.liquidtelecom.com/repo/10.4/ubuntu '.Install::getDistributionCodename().' main" 2>&1', $output);
                exec('apt update 2>&1', $output);
            }
        }

        exec('apt install -y mariadb-server mariadb-client 2>&1', $output);

        // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
        $this->line(implode("\n", Install::filterAptMessages($output)));

        if (Install::isReady('mariadb-server mariadb-client')) {

            $this->info('Mariadb setup...');

            // generate password
            $generator = new ComputerPasswordGenerator();
            $generator->setRandomGenerator(new Php7RandomGenerator())
                ->setUppercase()
                ->setLowercase()
                ->setUppercase()
                ->setNumbers()
                ->setSymbols(false)
                ->setLength(self::PASSWORD_LENGTH);

            // getting password for root
            $password = $generator->generatePasswords()[0];

            // make sure root can only access from local
            $this->info('Mariadb make sure root can ony access from local...');
            exec('sudo mysql -u root -e "DELETE FROM mysql.user WHERE User=\'root\' AND Host NOT IN (\'localhost\', \'127.0.0.1\', \'::1\');"');

            // delete anonymous user
            $this->info('Mariadb delete anonymous user...');
            exec('sudo mysql -u root -e "DELETE FROM mysql.user WHERE User=\'\';"');

            // drop test database and anthing familiar
            $this->info('Mariadb drop test and anthing familiar...');
            exec('sudo mysql -u root -e "DROP DATABASE IF EXISTS test;"');
            exec('sudo mysql -u root -e "DELETE FROM mysql.db WHERE Db=\'test\' OR Db=\'test_%\';"');

            // remove plugin for root and set password
            $this->info('Mariadb add password for root...');

            if ($version === '10.4') {
                exec('sudo mysql -u root -e "ALTER USER root@localhost IDENTIFIED VIA mysql_native_password USING PASSWORD(\''.$password.'\'); FLUSH PRIVILEGES;"');
            } else {
                exec('sudo mysql -u root -e "UPDATE mysql.user SET Password=PASSWORD(\''.$password.'\') WHERE User=\'root\'; FLUSH PRIVILEGES;"');
                exec('sudo mysql -u root -e "UPDATE mysql.user SET plugin=\'\' where User=\'root\';"');
            }

            // update privileges
            //exec('sudo mysql -u root --password='.$password.' -e "FLUSH PRIVILEGES;"');

            file_put_contents(self::MCP_LOG_FILE, "Mariadb installed\nuser: root\npassword: $password\n--\n", FILE_APPEND);
            $this->info('Mariadb installing...Success! \o/ Check '.self::MCP_LOG_FILE);

        } else {
            $this->error('Failed! Please check log-file!');
        }
    }
}