<?php

/*
 * AVSDev UF Scheduler (https://avsdev.uk)
 *
 * @link      https://git.avsdev.uk/avsdev/sprinkle-scheduler
 * @license   https://git.avsdev.uk/avsdev/sprinkle-scheduler/blob/master/LICENSE.md (LGPL-3.0 License)
 */

namespace UserFrosting\Sprinkle\Scheduler\Controller;

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use UserFrosting\Sprinkle\Core\Controller\SimpleController;
use UserFrosting\Support\Exception\ForbiddenException;
use UserFrosting\Support\Exception\NotFoundException;

/**
 * Controller class for task-related requests, (listing tasks).
 *
 * @author Craig Williams (https://avsdev.uk)
 */
class TaskController extends SimpleController
{
    /**
     * Returns a list of Tasks.
     *
     * Generates a list of tasks from the scehduler. No sorting or pagination functionality.
     * This page requires authentication.
     *
     * Request type: GET
     *
     * @param Request  $request
     * @param Response $response
     * @param array    $args
     *
     * @throws ForbiddenException If user is not authorized to access page
     */
    public function getList(Request $request, Response $response, $args)
    {
        // GET parameters
        $params = $request->getQueryParams();

        /** @var \UserFrosting\Sprinkle\Account\Authorize\AuthorizationManager */
        $authorizer = $this->ci->authorizer;

        /** @var \UserFrosting\Sprinkle\Account\Database\Models\Interfaces\UserInterface $currentUser */
        $currentUser = $this->ci->currentUser;

        // Access-controlled page
        if (!$authorizer->checkAccess($currentUser, 'uri_tasks')) {
            throw new ForbiddenException();
        }

        /** @var \UserFrosting\Sprinkle\Scheduler\Scheduler $scheduler */
        $scheduler = $this->ci->scheduler;

        $tasks = $scheduler->getTasks();

        $tasks = array_map(
            function($val) {
                $val['schedule_nice'] = CronTranslator::translate($val['schedule']);
                return $val;
            },
            $tasks
        );

        // Be careful how you consume this data - it has not been escaped and contains untrusted user-supplied content.
        // For example, if you plan to insert it into an HTML DOM, you must escape it on the client side (or use client-side templating).
        return $response->withJson($tasks, 200, JSON_PRETTY_PRINT);
    }

    /**
     * Renders the task listing page.
     *
     * This page renders a table of tasks, with dropdown menus for admin actions for each task.
     * Actions typically include: run task
     * This page requires authentication.
     *
     * Request type: GET
     *
     * @param Request  $request
     * @param Response $response
     * @param array    $args
     *
     * @throws ForbiddenException If user is not authorized to access page
     */
    public function pageList(Request $request, Response $response, $args)
    {
        /** @var \UserFrosting\Sprinkle\Account\Authorize\AuthorizationManager */
        $authorizer = $this->ci->authorizer;

        /** @var \UserFrosting\Sprinkle\Account\Database\Models\Interfaces\UserInterface $currentUser */
        $currentUser = $this->ci->currentUser;

        // Access-controlled page
        if (!$authorizer->checkAccess($currentUser, 'uri_tasks')) {
            throw new ForbiddenException();
        }

        /** @var \UserFrosting\Sprinkle\Scheduler\Scheduler $scheduler */
        $scheduler = $this->ci->scheduler;

        $tasks = $scheduler->getTasks();

        return $this->ci->view->render($response, 'pages/tasks.html.twig', [
            'tasks' => $tasks
        ]);
    }
}