<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Http\Requests\Bo\UpdateChangeOrderRequest;
use App\Http\Requests\StoreFaqRequest;
use App\Models\Faq;
use Illuminate\Support\Facades\DB;

class FaqsController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function index(): \Illuminate\Contracts\View\View
    {
        $faqs = Faq::orderBy('order', 'ASC')->get();

        return view('back.faq.index', compact('faqs'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @param Faq $faq
     * @return \Illuminate\Contracts\View\View
     * @ignore phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClass
     */
    public function create(Faq $faq): \Illuminate\Contracts\View\View
    {
        return view('back.faq.create', compact('faq'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param StoreFaqRequest $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function store(StoreFaqRequest $request): \Illuminate\Http\RedirectResponse
    {
        return DB::transaction(function () use ($request) {
            $faq        = new Faq($request->validated());
            $faq->order = $this->getLastOrder();

            if ($faq->saveOrFail()) {
                return to_route('bo.faqs.edit', $faq->id)->with('success', trans(__('Creation_saved')));
            }

            return back()->with('error', trans(__('Creation_failed')));
        });
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param Faq $faq
     * @return \Illuminate\Contracts\View\View
     * @ignore phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClass
     */
    public function edit(Faq $faq): \Illuminate\Contracts\View\View
    {
        return view('back.faq.edit', compact('faq'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param StoreFaqRequest $request
     * @param Faq             $faq
     * @return \Illuminate\Http\RedirectResponse
     */
    public function update(StoreFaqRequest $request, Faq $faq): \Illuminate\Http\RedirectResponse
    {
        return DB::transaction(function () use ($request, $faq) {
            $faq->fill($request->validated());

            if ($faq->saveOrFail()) {
                return to_route('bo.faqs.edit', $faq->id)->with('success', trans(__('Changes_saved')));
            }

            return to_route('bo.faqs.edit', $faq->id)->with('error', trans(__('Changes_failed')));
        });
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param Faq $faq
     * @return \Illuminate\Http\RedirectResponse
     */
    public function destroy(Faq $faq): \Illuminate\Http\RedirectResponse
    {
        if ($faq->deleteOrFail()) {
            return to_route('bo.faqs.index')->with('success', trans(__('Delete_saved')));
        }

        return to_route('bo.faqs.index')->with('error', trans(__('Delete_failed')));
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param UpdateChangeOrderRequest $request
     * @param Faq                      $faq
     * @return \Illuminate\Http\RedirectResponse
     */
    public function changeOrder(UpdateChangeOrderRequest $request, Faq $faq): \Illuminate\Http\RedirectResponse
    {
        if ($request->validated()['action'] === 'up') {
            $tmp        = Faq::where('order', '<', $faq->order)->orderBy('order', 'DESC')->first();
            $newOrder   = $tmp->order;
            $tmp->order = $faq->order;
            $faq->order = $newOrder;
        } elseif ($request->validated()['action'] === 'down') {
            $tmp        = Faq::where('order', '>', $faq->order)->orderBy('order', 'ASC')->first();
            $newOrder   = $tmp->order;
            $tmp->order = $faq->order;
            $faq->order = $newOrder;
        } else {
            return to_route('bo.faq.index');
        }
        $tmp->save();
        $faq->save();

        return back();
    }

    /**
     * Get by order the last element of the list.
     *
     * @return integer
     */
    private function getLastOrder(): int
    {
        $order = Faq::select('order')->orderBy('order', 'DESC')->first();
        if ($order === null) {
            return 1;
        }
        return $order->order + 1;
    }
}