<?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;

/**
 *  Add database
 *
 *  @author Björn Hase, Tentakelfabrik
 *  @license http://opensource.org/licenses/MIT The MIT License
 *  @link https://gitea.tentakelfabrik.de/Tentakelfabrik/mcp
 *
 */
class MariadbAddCommand extends Command
{
    // length for password
    const NAME_LENGTH = 15;

    /**
     * The signature of the command.
     *
     * @var string
     */
    protected $signature = 'mariadb:add';

    /**
     * The description of the command.
     *
     * @var string
     */
    protected $description = 'Add Mariadb User and Database';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        // enter root password
        $password = $this->secret('Root Password');

        // connect database
        try {
            $mysqli = new \mysqli('127.0.0.1', 'root', $password);
        } catch(\ErrorException $exception) {
            $this->error('Failed! '.$exception->getMessage());
            exit();
        }

        $this->info('Mariadb Create Database...');

        // setting password for root, repeat until
        do {
            $password = $this->secret('New Password');
            $passwordRepeat = $this->secret('Repeat Password');

            if ($password !== $passwordRepeat) {
                $this->error('Password not equal! Try again!');
            }

            if (empty($password)) {
                $this->error('Password is empty! Try again!');
            }

        } while ($password !== $passwordRepeat || empty($password));

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

        // getting names
        $names = $generator->generatePasswords(2);

        $database = 'db'.$names[0];
        $username = 'u'.$names[1];

        $this->info('Database: '.$database);
        $this->info('Username: '.$username);

        $mysqli->query("CREATE DATABASE $database DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci");

        // create user for remote and local access
        $mysqli->query("CREATE USER $username@'localhost' IDENTIFIED BY '$password'");
        $mysqli->query("CREATE USER $username@'%' IDENTIFIED BY '$password'");

        if ($mysqli->error) {
            $this->error('Failed! '.$mysqli->error);
            $mysqli->query("DROP DATABASE IF EXISTS $database");
            $mysqli->query("DROP USER $username@localhost");
            $mysqli->query("DROP USER $username@'%'");

            exit();
        }

        // grant privleges, for remote acces require ssl
        $mysqli->query("GRANT ALL PRIVILEGES ON $database.* TO $username@localhost");
        $mysqli->query("GRANT ALL PRIVILEGES ON $database.* TO $username@'%' require SSL");

        if ($mysqli->error) {
            $this->error('Failed! '.$mysqli->error);
            $mysqli->query("DROP DATABASE IF EXISTS $database");
            $mysqli->query("DROP USER $username@localhost");
            $mysqli->query("DROP USER $username@'%'");

            exit();
        }

        $mysqli->query("FLUSH PRIVILEGES");
        $mysqli->close();

        $this->info('Success! \o/');
    }
}