<?php

/**
 * EditController.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\Http\Controllers\RuleGroup;

use FireflyIII\Http\Controllers\Controller;
use FireflyIII\Http\Requests\RuleGroupFormRequest;
use FireflyIII\Models\RuleGroup;
use FireflyIII\Repositories\RuleGroup\RuleGroupRepositoryInterface;
use FireflyIII\Support\Facades\Preferences;
use Illuminate\Contracts\View\Factory;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Redirector;
use Illuminate\View\View;

/**
 * Class EditController
 */
final class EditController extends Controller
{
    private RuleGroupRepositoryInterface $repository;

    /**
     * EditController constructor.
     */
    public function __construct()
    {
        parent::__construct();

        $this->middleware(function ($request, $next) {
            app('view')->share('title', (string) trans('firefly.rules'));
            app('view')->share('mainTitleIcon', 'fa-random');

            $this->repository = app(RuleGroupRepositoryInterface::class);

            return $next($request);
        });
    }

    /**
     * Edit a rule group.
     *
     * @return Factory|View
     */
    public function edit(Request $request, RuleGroup $ruleGroup): Factory|\Illuminate\Contracts\View\View
    {
        $subTitle    = (string) trans('firefly.edit_rule_group', ['title' => $ruleGroup->title]);

        $hasOldInput = null !== $request->old('_token');
        $preFilled   = ['active' => $hasOldInput ? (bool) $request->old('active') : $ruleGroup->active];
        // put previous url in session if not redirect from store (not "return_to_edit").
        if (true !== session('rule-groups.edit.fromUpdate')) {
            $this->rememberPreviousUrl('rule-groups.edit.url');
        }
        session()->forget('rule-groups.edit.fromUpdate');
        session()->flash('preFilled', $preFilled);

        return view('rules.rule-group.edit', ['ruleGroup' => $ruleGroup, 'subTitle'  => $subTitle]);
    }

    /**
     * Move a rule group in either direction.
     */
    public function moveGroup(Request $request): JsonResponse
    {
        $groupId   = (int) $request->get('id');
        $ruleGroup = $this->repository->find($groupId);
        if ($ruleGroup instanceof RuleGroup) {
            $direction = $request->get('direction');
            if ('down' === $direction) {
                $maxOrder = $this->repository->maxOrder();
                $order    = $ruleGroup->order;
                if ($order < $maxOrder) {
                    $newOrder = $order + 1;
                    $this->repository->setOrder($ruleGroup, $newOrder);
                }
            }
            if ('up' === $direction) {
                $order = $ruleGroup->order;
                if ($order > 1) {
                    $newOrder = $order - 1;
                    $this->repository->setOrder($ruleGroup, $newOrder);
                }
            }
        }

        return new JsonResponse(['OK']);
    }

    /**
     * Update the rule group.
     *
     * @return $this|Redirector|RedirectResponse
     */
    public function update(RuleGroupFormRequest $request, RuleGroup $ruleGroup)
    {
        $data     = [
            'title'       => $request->convertString('title'),
            'description' => $request->stringWithNewlines('description'),
            'active'      => 1 === (int) $request->input('active'),
        ];

        $this->repository->update($ruleGroup, $data);

        session()->flash('success', (string) trans('firefly.updated_rule_group', ['title' => $ruleGroup->title]));
        Preferences::mark();
        $redirect = redirect($this->getPreviousUrl('rule-groups.edit.url'));
        if (1 === (int) $request->get('return_to_edit')) {
            session()->put('rule-groups.edit.fromUpdate', true);

            $redirect = redirect(route('rule-groups.edit', [$ruleGroup->id]))->withInput(['return_to_edit' => 1]);
        }

        // redirect to previous URL.
        return $redirect;
    }
}
