<?php

declare(strict_types=1);

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Http\Requests\Bo\Settings\UpdateSettingsRequest;
use App\Lib\Discount;
use App\Lib\Helpers\FileStorageHelper;
use App\Models\Settings;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use RuntimeException;
use TypeError;

class SettingsController extends Controller
{
    /**
     * Create the controller instance.
     */
    public function __construct()
    {
        $this->authorizeResource(Settings::class);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Settings $settings): View
    {
        /** @var view-string $view */
        $view = 'back::pages.settings.edit';
        return view($view, [
            'settingsModel' => $settings,
        ]);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(UpdateSettingsRequest $request, Settings $settings): RedirectResponse
    {
        return DB::transaction(function () use ($request, $settings) {
            $data = $request->validated();

            // * Assign parsed Web coupon objects
            Arr::set($data, 'web_coupons', collect(Arr::get($data, 'web_coupons'))->filter()
                ->map(fn (array $coupon): ?\App\Lib\Discount => $this->parseWebCoupon($coupon))
                ->filter()->all());

            $settings->fill($data);
            if ($settings->saveOrFail()) {
                return to_route('bo.settings.edit', $settings)
                    ->with('success', trans(
                        'crud.messages.has_been_updated',
                        ['model' => Str::singular(__('models.classes.settings'))]
                    ));
            }

            return back()
                ->with('error', trans(
                    'crud.messages.cannot_be_updated',
                    ['model' => Str::singular(__('models.classes.settings'))]
                ));
        });
    }

    /**
     * Try to parse webCoupon
     *
     * @param  array<string,string>  $coupon
     */
    private function parseWebCoupon(array $coupon): ?Discount
    {
        /** @var UploadedFile|string */
        $picture = Arr::get($coupon, 'picture');
        if ($picture instanceof UploadedFile) {
            $picture = FileStorageHelper::storeFile(
                new Settings(),
                $picture,
                true,
                'web-coupon.' . $picture->extension()
            );
        }
        try {
            return Discount::make(
                $picture,
                Arr::get($coupon, 'valid_on'),
                Arr::get($coupon, 'face_value'),
                Arr::get($coupon, 'percentage'),
                Arr::get($coupon, 'web_coupon_identifiant'),
            );
        } catch (RuntimeException | TypeError) {
            return null;
        }
    }
}