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<?php

/**
 * Joomla! Content Management System.
 *
 * @copyright  (C) 2021 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Console;

use Joomla\CMS\Application\ConsoleApplication;
use Joomla\CMS\Factory;
use Joomla\Component\Scheduler\Administrator\Model\TaskModel;
use Joomla\Component\Scheduler\Administrator\Table\TaskTable;
use Joomla\Component\Scheduler\Administrator\Task\Task;
use Joomla\Console\Application;
use Joomla\Console\Command\AbstractCommand;
use Joomla\Utilities\ArrayHelper;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Console command to change the state of tasks.
 *
 * @since 4.1.0
 */
class TasksStateCommand extends AbstractCommand
{
    /**
     * The default command name
     *
     * @var    string
     * @since  4.1.0
     */
    protected static $defaultName = 'scheduler:state';

    /**
     * The console application object
     *
     * @var Application
     *
     * @since 4.1.0
     */
    protected $application;

    /**
     * @var SymfonyStyle
     *
     * @since  4.1.0
     */
    private $ioStyle;

    /**
     * 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   4.1.0
     * @throws \Exception
     */
    protected function doExecute(InputInterface $input, OutputInterface $output): int
    {
        Factory::getApplication()->getLanguage()->load('joomla', JPATH_ADMINISTRATOR);

        $this->configureIO($input, $output);
        $this->ioStyle->title('Change Task State');

        $id    = (string) $input->getOption('id');
        $state = (string) $input->getOption('state');

        // Try to validate and process ID, if passed
        if (\strlen($id)) {
            if (!Task::isValidId($id)) {
                $this->ioStyle->error('Invalid id passed!');

                return 2;
            }

            $id = (is_numeric($id)) ? ($id + 0) : $id;
        }

        // Try to validate and process state, if passed
        if (\strlen($state)) {
            // If we get the logical state, we try to get the enumeration (but as a string)
            if (!is_numeric($state)) {
                $state = (string) ArrayHelper::arraySearch($state, Task::STATE_MAP);
            }

            if (!\strlen($state) || !Task::isValidState($state)) {
                $this->ioStyle->error('Invalid state passed!');

                return 2;
            }
        }

        // If we didn't get ID as a flag, ask for it interactively
        while (!Task::isValidId($id)) {
            $id = $this->ioStyle->ask('Please specify the ID of the task');
        }

        // If we didn't get state as a flag, ask for it interactively
        while ($state === false || !Task::isValidState($state)) {
            $state = (string) $this->ioStyle->ask('Should the state be "enable" (1), "disable" (0) or "trash" (-2)');

            // Ensure we have the enumerated value (still as a string)
            $state = (Task::isValidState($state)) ? $state : ArrayHelper::arraySearch($state, Task::STATE_MAP);
        }

        // Finally, the enumerated state and id in their pure form
        $state = (int) $state;
        $id    = (int) $id;

        /** @var ConsoleApplication $app */
        $app = $this->getApplication();

        /** @var TaskModel $taskModel */
        $taskModel = $app->bootComponent('com_scheduler')->getMVCFactory()->createModel('Task', 'Administrator');

        $task = $taskModel->getItem($id);

        // We couldn't fetch that task :(
        if (empty($task->id)) {
            $this->ioStyle->error("Task ID '{$id}' does not exist!");

            return 1;
        }

        // If the item is checked-out we need a check in (currently not possible through the CLI)
        if ($taskModel->isCheckedOut($task)) {
            $this->ioStyle->error("Task ID '{$id}' is checked out!");

            return 1;
        }

        /** @var TaskTable $table */
        $table = $taskModel->getTable();

        $action = Task::STATE_MAP[$state];

        if (!$table->publish($id, $state)) {
            $this->ioStyle->error("Can't {$action} Task ID '{$id}'");

            return 3;
        }

        $this->ioStyle->success("Task ID {$id} {$action}.");

        return 0;
    }

    /**
     * Configure the IO.
     *
     * @param   InputInterface   $input   The input to inject into the command.
     * @param   OutputInterface  $output  The output to inject into the command.
     *
     * @return  void
     *
     * @since  4.1.0
     */
    private function configureIO(InputInterface $input, OutputInterface $output): void
    {
        $this->ioStyle = new SymfonyStyle($input, $output);
    }

    /**
     * Configure the command.
     *
     * @return  void
     *
     * @since   4.1.0
     */
    protected function configure(): void
    {
        $this->addOption('id', 'i', InputOption::VALUE_REQUIRED, 'The id of the task to change state.');
        $this->addOption('state', 's', InputOption::VALUE_REQUIRED, 'The new state of the task, can be 1/enable, 0/disable, or -2/trash.');

        $help = "<info>%command.name%</info> changes the state of a task.
		\nUsage: <info>php %command.full_name%</info>";

        $this->setDescription('Enable, disable or trash a scheduled task');
        $this->setHelp($help);
    }
}