<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Http\Requests\Bo\UpdateChangeOrderRequest;
use App\Http\Requests\StoreGammeRequest;
use App\Http\Requests\UpdateGammeRequest;
use App\Lib\ToolboxHelper;
use App\Models\Gamme;
use Illuminate\Support\Facades\DB;

class GammesController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function index(): \Illuminate\Contracts\View\View
    {
        $gammes   = collect([]);
        $dbGammes = Gamme::orderBy('order')->whereNull('parent_gamme_id')
            ->with('childGammes')->get();

        /** @var \App\Models\Gamme $gamme */
        foreach ($dbGammes as $gamme) {
            $gammes->push($gamme);
            $gamme->childGammes->sortBy('order')
                ->map(function (Gamme $childGamme) use (&$gammes): void {
                    $gammes->push($childGamme);
                });
        }

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

    /**
     * Show the form for creating a new resource.
     *
     * @param Gamme $gamme
     * @return \Illuminate\Contracts\View\View
     */
    public function create(Gamme $gamme): \Illuminate\Contracts\View\View
    {
        $parentGammes = Gamme::whereNull('parent_gamme_id')
            ->where('id', '!=', $gamme->id)
            ->orderBy('created_at', 'DESC')->get();

        return view('back.gammes.create', compact('gamme', 'parentGammes'));
    }

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

            if (is_a($request->picture, "SplFileInfo")) {
                $gamme->picture = ToolboxHelper::storeImage($request->picture, $gamme->getTable());
            }
            if (is_a($request->banner, "SplFileInfo")) {
                $gamme->banner = ToolboxHelper::storeImage($request->banner, $gamme->getTable());
            }
            if ($gamme->parent_gamme_id) {
                $gamme->category = null;
            }
            if ($gamme->saveOrFail()) {
                return to_route('bo.gammes.edit', $gamme->id)->with('success', trans(__('Changes_saved')));
            }
            return back()->with('error', trans(__('Changes_failed')));
        });
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param Gamme $gamme
     * @return \Illuminate\Contracts\View\View
     */
    public function edit(Gamme $gamme): \Illuminate\Contracts\View\View
    {
        $parentGammes = Gamme::whereNull('parent_gamme_id')
            ->where('id', '!=', $gamme->id)
            ->orderBy('created_at', 'DESC')->get();

        return view('back.gammes.edit', compact('gamme', 'parentGammes'));
    }

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

            if (is_a($request->picture, "SplFileInfo")) {
                $gamme->picture = ToolboxHelper::storeImage($request->picture, $gamme->getTable());
            }
            if (is_a($request->banner, "SplFileInfo")) {
                $gamme->banner = ToolboxHelper::storeImage($request->banner, $gamme->getTable());
            }
            if ($gamme->parent_gamme_id) {
                $gamme->category = null;
            }
            if ($gamme->saveOrFail()) {
                return to_route('bo.gammes.edit', $gamme->id)
                    ->with('success', trans(__('Changes_saved')));
            }
            return back()->with('error', trans(__('Changes_failed')));
        });
    }

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

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

        return back();
    }

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