<?php

namespace App\Observers;

use App\Models\Promotion;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class PromotionObserver
{
    protected Request $request;
    public function __construct(Request $request)
    {
        $this->request = $request;
    }
    public function created(Promotion $promotion): void
    {
        $this->saveImage($promotion);
    }
    public function updated(Promotion $promotion): void
    {
        if ($this->request->hasFile('img')) {
            $this->deleteOldImage($promotion);
            $this->saveImage($promotion);
        }
    }
    public function deleted(Promotion $promotion): void
    {
        $this->deleteOldImage($promotion);
    }

    private function saveImage(Promotion $promotion): void
    {
        if (! request()->hasFile('img')) {
            return;
        }

        $file = request()->file('img');
        $path = $file->store('promotions', 'public');
        $promotion->forceFill(['img' => $path])->saveQuietly();
    }
    private function deleteOldImage(Promotion $promotion): void
    {
        if ($oldPath = $promotion->getOriginal('img')) {
            Storage::disk('public')->delete($oldPath);
        }
    }
}