<?php

/**
 * Rule.php
 * Copyright (c) 2019 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace FireflyIII\Support\Twig;

use Config;
use Override;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;

/**
 * Class Rule.
 */
class Rule extends AbstractExtension
{
    public function allActionTriggers(): TwigFunction
    {
        return new TwigFunction('allRuleActions', static function (): array {
            // array of valid values for actions
            $ruleActions     = array_keys(Config::get('firefly.rule-actions'));
            $possibleActions = [];
            foreach ($ruleActions as $key) {
                $possibleActions[$key] = (string) trans('firefly.rule_action_'.$key.'_choice');
            }
            unset($ruleActions);
            asort($possibleActions);

            return $possibleActions;
        });
    }

    public function allJournalTriggers(): TwigFunction
    {
        return new TwigFunction('allJournalTriggers', static fn (): array => [
            'store-journal'     => (string) trans('firefly.rule_trigger_store_journal'),
            'update-journal'    => (string) trans('firefly.rule_trigger_update_journal'),
            'manual-activation' => (string) trans('firefly.rule_trigger_manual'),
        ]);
    }

    public function allRuleTriggers(): TwigFunction
    {
        return new TwigFunction('allRuleTriggers', static function (): array {
            $ruleTriggers     = array_keys(config('search.operators'));
            $possibleTriggers = [];
            foreach ($ruleTriggers as $key) {
                if ('user_action' !== $key) {
                    $possibleTriggers[$key] = (string) trans('firefly.rule_trigger_'.$key.'_choice');
                }
            }
            unset($ruleTriggers);
            asort($possibleTriggers);

            return $possibleTriggers;
        });
    }

    #[Override]
    public function getFunctions(): array
    {
        return [$this->allJournalTriggers(), $this->allRuleTriggers(), $this->allActionTriggers()];
    }
}