<?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
{
    // destination for username and password
    const MCP_LOG_FILE = '/root/mcp.log';

    // length for password
    const NAME_LENGTH = 15;

    // length for password
    const PASSWORD_LENGTH = 40;

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

    /**
     * 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('Enter 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...');

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

        // getting password
        $password = $generator->generatePasswords(1)[0];

        $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];

        // getting option for ssl
        $ssl = $this->option('ssl');

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


        if ($ssl === false) {
            $mysqli->query("CREATE USER $username@localhost IDENTIFIED BY '$password'");
        } else {
            $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();
        }

        $mysqli->query("GRANT ALL PRIVILEGES ON $database.* TO $username@localhost");

        if ($ssl === true) {
            $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/ Check /root/mcp.log');
        file_put_contents(self::MCP_LOG_FILE, "Mariadb $database created\nuser: $username\npassword: $password\n--\n", FILE_APPEND);
    }
}