<?php

/**
 * Part of the Joomla Framework Session Package
 *
 * @copyright  Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Session\Command;

use Joomla\Console\Command\AbstractCommand;
use Joomla\Database\DatabaseInterface;
use Joomla\Session\Exception\CreateSessionTableException;
use Joomla\Session\Exception\UnsupportedDatabaseDriverException;
use Joomla\Session\Handler\DatabaseHandler;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

/**
 * Command used to create the session database table.
 *
 * @since  2.0.0
 */
class CreateSessionTableCommand extends AbstractCommand
{
    /**
     * The default command name
     *
     * @var    string
     * @since  2.0.0
     */
    protected static $defaultName = 'session:create-table';

    /**
     * Database connector
     *
     * @var    DatabaseInterface
     * @since  2.0.0
     */
    private $db;

    /**
     * Instantiate the command.
     *
     * @param   DatabaseInterface  $db  Database connector
     *
     * @since   2.0.0
     */
    public function __construct(DatabaseInterface $db)
    {
        $this->db = $db;

        parent::__construct();
    }

    /**
     * Configure the command.
     *
     * @return  void
     *
     * @since   2.0.0
     */
    protected function configure(): void
    {
        $this->setDescription('Creates the session database table if not already present');
    }

    /**
     * Internal function to execute the command.
     *
     * @param   InputInterface   $input   The input to inject into the command.
     * @param   OutputInterface  $output  The output to inject into the command.
     *
     * @return  integer  The command exit code
     *
     * @since   2.0.0
     */
    protected function doExecute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);

        $io->title('Create Session Table');

        // Check if the table exists
        if (\in_array($this->db->replacePrefix('#__session'), $this->db->getTableList())) {
            $io->success('The session table already exists.');

            return 0;
        }

        try {
            (new DatabaseHandler($this->db))->createDatabaseTable();
        } catch (UnsupportedDatabaseDriverException $exception) {
            $io->error($exception->getMessage());

            return 1;
        } catch (CreateSessionTableException $exception) {
            $io->error(\sprintf('The session table could not be created: %s', $exception->getMessage()));

            return 1;
        }

        $io->success('The session table has been created.');

        return 0;
    }
}