<?php

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\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class SettingsController extends Controller
{
    /**
     * Show the form for editing the specified resource.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function edition(): \Illuminate\Contracts\View\View
    {
        $settingsModel = Settings::query()->where('tenant_id', tenant('id'))->firstOrFail();
        $this->authorize('view', $settingsModel);
        return view('back::pages.settings.edit', compact('settingsModel'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param \App\Http\Requests\Bo\Settings\UpdateSettingsRequest $request
     * @return \Illuminate\Http\RedirectResponse
     */
    public function update(UpdateSettingsRequest $request): \Illuminate\Http\RedirectResponse
    {
        return DB::transaction(function () use ($request) {
            $data = $request->validated();

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

            $settingsModel = Settings::query()->where('tenant_id', tenant('id'))->firstOrFail();
            $settingsModel->fill($data);
            if ($settingsModel->saveOrFail()) {
                return redirect()
                    ->route('bo.settings.edition', ['tenant' => \tenant()])
                    ->with('success', trans(
                        'crud.messages.has_been_updated',
                        ['model' => Str::singular(__('models.classes.settings'))]
                    ));
            }
            return redirect()
                ->back()
                ->with('error', trans(
                    'crud.messages.cannot_be_updated',
                    ['model' => Str::singular(__('models.classes.settings'))]
                ));
        });
    }

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