<?php

namespace App\Console\Commands;

use App\Models\Product;
use App\Services\ShopifyService;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

class ShopifyImages extends Command
{
    protected $signature   = 'shopify:images {--force : Bilder auch für Produkte neu laden die schon welche haben}';
    protected $description = 'Lädt Produktbilder von Shopify herunter und speichert sie lokal';

    public function handle(ShopifyService $shopify): int
    {
        $variants = $shopify->getAllVariants();

        if (empty($variants)) {
            $this->error('Keine Daten von Shopify erhalten (Details im Log).');
            return self::FAILURE;
        }

        // Deduplizieren: pro Produkttitel nur einmal
        $products = collect($variants)
            ->filter(fn($v) => ! empty($v['image_urls']))
            ->keyBy('product_title');

        $this->info("Produkte mit Bildern in Shopify: {$products->count()}");

        $downloaded = 0;
        $skipped    = 0;

        foreach ($products as $title => $variant) {
            $product = Product::where('title', $title)->first();

            if (! $product) {
                continue;
            }

            if (! empty($product->images) && ! $this->option('force')) {
                $skipped++;
                continue;
            }

            $paths = [];
            foreach ($variant['image_urls'] as $url) {
                $response = Http::get($url);
                if ($response->failed()) {
                    $this->warn("  Bild konnte nicht geladen werden: {$url}");
                    continue;
                }

                $ext      = pathinfo(parse_url($url, PHP_URL_PATH), PATHINFO_EXTENSION) ?: 'jpg';
                $filename = 'product-images/' . Str::uuid() . '.' . $ext;
                Storage::disk('public')->put($filename, $response->body());
                $paths[] = $filename;
            }

            if (! empty($paths)) {
                $product->update(['images' => $paths]);
                $this->line("  ✓ {$title} (" . count($paths) . " Bild(er))");
                $downloaded++;
            }
        }

        $this->info("✓ {$downloaded} Produkte mit Bildern versorgt");
        if ($skipped) {
            $this->line("  {$skipped} übersprungen (haben bereits Bilder — nutze --force zum Überschreiben)");
        }

        return self::SUCCESS;
    }
}