<?php
/**
 * Pterodactyl - Panel
 * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
 *
 * This software is licensed under the terms of the MIT license.
 * https://opensource.org/licenses/MIT
 */

namespace Pterodactyl\Console\Commands\Environment;

use Illuminate\Console\Command;
use Pterodactyl\Traits\Commands\EnvironmentWriterTrait;
use Illuminate\Contracts\Config\Repository as ConfigRepository;

class EmailSettingsCommand extends Command
{
    use EnvironmentWriterTrait;

    /**
     * @var \Illuminate\Contracts\Config\Repository
     */
    protected $config;

    /**
     * @var string
     */
    protected $description = 'Set or update the email sending configuration for the Panel.';

    /**
     * @var string
     */
    protected $signature = 'p:environment:mail
                            {--driver= : The mail driver to use.}
                            {--email= : Email address that messages from the Panel will originate from.}
                            {--from= : The name emails from the Panel will appear to be from.}
                            {--encryption=}
                            {--host=}
                            {--port=}
                            {--endpoint=}
                            {--username=}
                            {--password=}';

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

    /**
     * EmailSettingsCommand constructor.
     */
    public function __construct(ConfigRepository $config)
    {
        parent::__construct();

        $this->config = $config;
    }

    /**
     * Handle command execution.
     *
     * @throws \Pterodactyl\Exceptions\PterodactylException
     */
    public function handle()
    {
        $this->variables['MAIL_DRIVER'] = $this->option('driver') ?? $this->choice(
            trans('command/messages.environment.mail.ask_driver'),
            [
                'smtp' => 'SMTP Server',
                'mail' => 'PHP\'s Internal Mail Function',
                'mailgun' => 'Mailgun Transactional Email',
                'mandrill' => 'Mandrill Transactional Email',
                'postmark' => 'Postmarkapp Transactional Email',
            ],
            $this->config->get('mail.driver', 'smtp')
        );

        $method = 'setup' . studly_case($this->variables['MAIL_DRIVER']) . 'DriverVariables';
        if (method_exists($this, $method)) {
            $this->{$method}();
        }

        $this->variables['MAIL_FROM'] = $this->option('email') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mail_from'),
            $this->config->get('mail.from.address')
        );

        $this->variables['MAIL_FROM_NAME'] = $this->option('from') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mail_name'),
            $this->config->get('mail.from.name')
        );

        $this->variables['MAIL_ENCRYPTION'] = $this->option('encryption') ?? $this->choice(
            trans('command/messages.environment.mail.ask_encryption'),
            ['tls' => 'TLS', 'ssl' => 'SSL', '' => 'None'],
            $this->config->get('mail.encryption', 'tls')
        );

        $this->writeToEnvironment($this->variables);

        $this->line('Updating stored environment configuration file.');
        $this->line('');
    }

    /**
     * Handle variables for SMTP driver.
     */
    private function setupSmtpDriverVariables()
    {
        $this->variables['MAIL_HOST'] = $this->option('host') ?? $this->ask(
            trans('command/messages.environment.mail.ask_smtp_host'),
            $this->config->get('mail.host')
        );

        $this->variables['MAIL_PORT'] = $this->option('port') ?? $this->ask(
            trans('command/messages.environment.mail.ask_smtp_port'),
            $this->config->get('mail.port')
        );

        $this->variables['MAIL_USERNAME'] = $this->option('username') ?? $this->ask(
            trans('command/messages.environment.mail.ask_smtp_username'),
            $this->config->get('mail.username')
        );

        $this->variables['MAIL_PASSWORD'] = $this->option('password') ?? $this->secret(
            trans('command/messages.environment.mail.ask_smtp_password')
        );
    }

    /**
     * Handle variables for mailgun driver.
     */
    private function setupMailgunDriverVariables()
    {
        $this->variables['MAILGUN_DOMAIN'] = $this->option('host') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mailgun_domain'),
            $this->config->get('services.mailgun.domain')
        );

        $this->variables['MAILGUN_SECRET'] = $this->option('password') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mailgun_secret'),
            $this->config->get('services.mailgun.secret')
        );

        $this->variables['MAILGUN_ENDPOINT'] = $this->option('endpoint') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mailgun_endpoint'),
            $this->config->get('services.mailgun.endpoint')
        );
    }

    /**
     * Handle variables for mandrill driver.
     */
    private function setupMandrillDriverVariables()
    {
        $this->variables['MANDRILL_SECRET'] = $this->option('password') ?? $this->ask(
            trans('command/messages.environment.mail.ask_mandrill_secret'),
            $this->config->get('services.mandrill.secret')
        );
    }

    /**
     * Handle variables for postmark driver.
     */
    private function setupPostmarkDriverVariables()
    {
        $this->variables['MAIL_DRIVER'] = 'smtp';
        $this->variables['MAIL_HOST'] = 'smtp.postmarkapp.com';
        $this->variables['MAIL_PORT'] = 587;
        $this->variables['MAIL_USERNAME'] = $this->variables['MAIL_PASSWORD'] = $this->option('username') ?? $this->ask(
            trans('command/messages.environment.mail.ask_postmark_username'),
            $this->config->get('mail.username')
        );
    }
}