<?php

namespace App\Traits\Controllers;

use App\Http\Requests\Bo\UpdateChangeOrderRequest;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Session;
use Illuminate\Support\Str;

trait ChangesModelOrder
{
    /**
     * Change order.
     *
     * @param \App\Http\Requests\Bo\UpdateChangeOrderRequest $request
     * @param mixed                                          ...$params
     * @return \Illuminate\Http\RedirectResponse
     * @throws \RuntimeException Si le nom du parametre de la route ne correspond pas au params utilisé.
     */
    public function changeOrder(UpdateChangeOrderRequest $request, mixed ...$params): \Illuminate\Http\RedirectResponse
    {
        $paramNames = collect(request()->route()->parameterNames);
        $className  = Str::of($paramNames->get($paramNames->count() - 2))->lower()->studly();
        $className  = "\\App\\Models\\{$className}";
        $model      = Arr::get($params, $paramNames->count() - 2);

        if (!class_exists($className)) {
            throw new \RuntimeException("The {$className} class doesn't exist.");
        }

        if (!\is_object($model)) {
            throw new \RuntimeException("The second last param isn't an object.");
        }

        if (get_class($model) !== (string)Str::of($className)->replaceStart('\\', '')) {
            throw new \RuntimeException("The {$className} doesn't match second last binded param.");
        }

        /** @var \Illuminate\Database\Eloquent\Model|null */
        $model = $className::query()->where($model->getRouteKeyName(), $model->getRouteKey())->first();

        if (!$model) {
            return back()->with('error', trans('crud.messages.order_not_changed'));
        }

        return DB::transaction(function () use ($request, $className, $model) {
            /** @var \Illuminate\Database\Eloquent\Model|null */
            $tmp = $className::where('order', $request->direction ? '<' : '>', $model->getOriginal('order'))
                ->orderBy('order', $request->direction ? 'DESC' : 'ASC')->first();

            if (!$tmp) {
                return back()->with('error', trans('crud.messages.order_not_changed'));
            }

            $newOrder = $tmp->getOriginal('order');
            $tmp->update(['order' => $model->getOriginal('order')]);
            $model->update(['order' => $newOrder]);
            Session::flash('success', trans('crud.messages.order_changed'));

            return back();
        });
    }
}