<?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
        $shopifyProducts = collect($variants)
            ->filter(fn($v) => ! empty($v['image_urls']))
            ->keyBy('product_title');

        $totalInShopify  = collect($variants)->pluck('product_title')->unique()->count();
        $this->info("Shopify-Produkte gesamt: {$totalInShopify}");
        $this->info("Davon mit Bild-URLs: {$shopifyProducts->count()}");

        if ($shopifyProducts->isEmpty()) {
            $this->warn('Kein Shopify-Produkt hat Bild-URLs — Import nicht möglich.');
            return self::SUCCESS;
        }

        $downloaded = 0;
        $skipped    = 0;
        $notFound   = 0;

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

            if (! $product) {
                $this->warn("  Nicht lokal gefunden: \"{$title}\"");
                $notFound++;
                continue;
            }

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

            $paths = [];
            foreach ($variant['image_urls'] as $url) {
                try {
                    $response = Http::timeout(30)->get($url);
                } catch (\Exception $e) {
                    $this->warn("  Verbindungsfehler für {$url}: {$e->getMessage()}");
                    continue;
                }

                if ($response->failed()) {
                    $this->warn("  HTTP {$response->status()} für: {$url}");
                    continue;
                }

                $body = $response->body();
                if (empty($body)) {
                    $this->warn("  Leere Antwort für: {$url}");
                    continue;
                }

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

            if (! empty($paths)) {
                $product->update(['images' => $paths]);
                $this->line("  ✓ {$title} (" . count($paths) . " Bild(er))");
                $downloaded++;
            } else {
                $this->warn("  Keine Bilder gespeichert für: \"{$title}\"");
            }
        }

        $this->info("✓ {$downloaded} Produkte mit Bildern versorgt");
        if ($skipped) {
            $this->line("  {$skipped} übersprungen (haben bereits Bilder — nutze --force zum Überschreiben)");
        }
        if ($notFound) {
            $this->warn("  {$notFound} Shopify-Produkte lokal nicht gefunden (Titelabweichung?)");
        }

        return self::SUCCESS;
    }
}