<?php

/**
 * DeleteController.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\Transaction;

use FireflyIII\Http\Controllers\Controller;
use FireflyIII\Models\TransactionGroup;
use FireflyIII\Repositories\TransactionGroup\TransactionGroupRepositoryInterface;
use FireflyIII\Support\Facades\Preferences;
use FireflyIII\Support\Facades\Steam;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;
use Illuminate\Routing\Redirector;
use Illuminate\Support\Facades\Log;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Class DeleteController
 */
final class DeleteController extends Controller
{
    private TransactionGroupRepositoryInterface $repository;

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

        // translations:
        $this->middleware(function ($request, $next) {
            app('view')->share('title', (string) trans('firefly.transactions'));
            app('view')->share('mainTitleIcon', 'fa-exchange');

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

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

    /**
     * Shows the form that allows a user to delete a transaction journal.
     */
    public function delete(TransactionGroup $group): Factory|Redirector|RedirectResponse|View
    {
        if (!$this->isEditableGroup($group)) {
            return $this->redirectGroupToAccount($group);
        }

        Log::debug(sprintf('Start of delete view for group #%d', $group->id));

        $journal    = $group->transactionJournals->first();
        if (null === $journal) {
            throw new NotFoundHttpException();
        }
        $objectType = strtolower($journal->transaction_type_type ?? $journal->transactionType->type);
        $subTitle   = (string) trans('firefly.delete_'.$objectType, ['description' => $group->title ?? $journal->description]);
        $previous   = Steam::getSafePreviousUrl();
        // put previous url in session
        Log::debug('Will try to remember previous URL');
        $this->rememberPreviousUrl('transactions.delete.url');

        return view('transactions.delete', [
            'group'      => $group,
            'journal'    => $journal,
            'subTitle'   => $subTitle,
            'objectType' => $objectType,
            'previous'   => $previous,
        ]);
    }

    /**
     * Actually destroys the journal.
     */
    public function destroy(TransactionGroup $group): RedirectResponse
    {
        Log::debug(sprintf('Now in %s(#%d).', __METHOD__, $group->id));
        if (!$this->isEditableGroup($group)) {
            return $this->redirectGroupToAccount($group);
        }

        $journal    = $group->transactionJournals->first();
        if (null === $journal) {
            throw new NotFoundHttpException();
        }
        $objectType = strtolower($journal->transaction_type_type ?? $journal->transactionType->type);
        session()->flash('success', (string) trans('firefly.deleted_'.strtolower($objectType), ['description' => $group->title ?? $journal->description]));
        $this->repository->destroy($group);
        Preferences::mark();

        return redirect($this->getPreviousUrl('transactions.delete.url'));
    }
}
