<?php

namespace App\Script\Command\Site;

use Symfony\Component\Console\Command\Command as SyCommand;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Helper\ProgressBar;
use App\Filesystem\CreateFile;
use App\Filesystem\CreateDirectory;

/**
 * A new Symfony command for creating a new site deployment
 *
 * @author Phil Burton <phil@d3r.com>
 */
class Create extends SyCommand
{
    protected $progressBar;

    /**
     * Configure the command
     *
     * @author Phil Burton <phil@d3r.com>
     */
    protected function configure()
    {
        $this->addArgument('name', InputArgument::REQUIRED, 'The name of the new site.');
        $this->addArgument('domain', InputArgument::REQUIRED, 'The domain name of the new site.');

        $this
            ->setName('site:create')
            ->setDescription('Create a new site.')
            ->setHelp('This command allows you to create a new site.');

        $this->addOption(
            'test',
            't',
            InputOption::VALUE_NONE,
            'Run in test mode without any file or directory created?'
        );
    }

    /**
     * Run the command
     *
     * @param InputInterface $input
     * @param OutputInterface $output
     * @author Phil Burton <phil@d3r.com>
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $taskCount = 6;

        $name = $input->getArgument('name');
        $domain = $input->getArgument('domain');

        $output->writeln(
            'Creating new site with domain: '
                . $input->getArgument('domain')
                . ' and name: '
                . $input->getArgument('name')
        );

        // Set-up progress bar
        $this->progressBar = new ProgressBar($output, $taskCount);
        $this->progressBar->setFormatDefinition('custom', ' %current%/%max% -- %message%');
        $this->progressBar->setFormat('custom');
        $this->progressBar->setMessage('Starting...');
        $this->progressBar->start();
        $this->progressBar->setMessage('Running pre-flight checks');

        // Construct the file commands so we run checks first
        $this->progressBar->advance();

        $tasks = [];

        try {
            $tasks['Creating site directory'] = new \App\Filesystem\CreateDirectory(
                SITES_ROOT . $name
            );

            $tasks['Creating nginx config file'] = new \App\Filesystem\CreateFile(
                CONFIG_ROOT . $name . '.conf'
            );
        } catch (\Exception $e) {
            $output->writeln('');
            $output->writeln('Error with pre-flight checks');
            $output->writeln($e->getMessage());
            exit;
        }

        if (!$input->getOption("test")) {
            foreach ($tasks as $message => $task) {
                // Create file in web root for execution
                $this->runTask($task, $message);
            }

            try {
                $tasks = [];

                    $this->runTask(
                        new \App\Filesystem\CreateDirectory(
                            SITES_ROOT . $name . '/logs'
                        ),
                        'Creating logs directory'
                    );

                    $this->runTask(
                        new \App\Filesystem\CreateFile(
                            SITES_ROOT . $name . '/logs/' . $name . '.access_log'
                        ),
                        'Creating access log file'
                    );

                    $this->runTask(
                        new \App\Filesystem\CreateFile(
                            SITES_ROOT . $name . '/logs/' . $name . '.errors_log'
                        ),
                        'Creating error log file'
                    );

                    $this->runTask(
                        new \App\Filesystem\CreateDirectory(
                            SITES_ROOT . $name . '/web'
                        ),
                        'Creating web folder'
                    );

                    $this->runTask(
                        new \App\Filesystem\CreateFile(
                            SITES_ROOT . $name . '/web/index.php'
                        ),
                        'Creating directory index.php'
                    );


                foreach ($tasks as $task) {
                    // Create file in web root for execution
                    $this->progressBar->advance();
                    $this->progressBar->setMessage($task[0]);
                    $task[1]->execute();
                    sleep(1);
                }
            } catch (\Exception $e) {
                $output->writeln('Unexpected Error creating files and directories');
                $output->writeln($e->getMessage());
                exit;
            }
        }

        // Finish up
        $this->progressBar->advance();
        $this->progressBar->finish();
        $output->writeln('');
        $output->writeln('Complete');
    }

    public function runTask($task, $message)
    {
        $this->progressBar->advance();
        $this->progressBar->setMessage($message);
        $task->execute();
        sleep(1);
    }
}