<?php

namespace App\Services\Woo;

use App\Models\WooCategory;
use App\Models\WooStore;
use App\Support\WooHtml;
use Carbon\Carbon;

class CategoryIngestService
{
    /** @param  array<string, mixed>  $payload */
    public function ingest(WooStore $store, array $payload): WooCategory
    {
        $externalId = (int) ($payload['id'] ?? 0);
        if ($externalId === 0) {
            throw new \InvalidArgumentException('WooCommerce category id missing.');
        }

        $parent = (int) ($payload['parent'] ?? 0);

        return WooCategory::query()->updateOrCreate(
            [
                'woo_store_id' => $store->id,
                'external_id' => $externalId,
            ],
            [
                'parent_external_id' => $parent > 0 ? $parent : null,
                'name' => (string) ($payload['name'] ?? 'Category'),
                'slug' => (string) ($payload['slug'] ?? 'category-'.$externalId),
                'description' => WooHtml::sanitize($payload['description'] ?? null),
                'product_count' => max(0, (int) ($payload['count'] ?? 0)),
                'wc_updated_at' => $this->updatedAt($payload),
                'metadata' => [
                    'image' => $payload['image'] ?? null,
                ],
            ],
        );
    }

    public function delete(WooStore $store, int $externalId): void
    {
        WooCategory::query()
            ->where('woo_store_id', $store->id)
            ->where('external_id', $externalId)
            ->delete();
    }

    /** @param  array<string, mixed>  $payload */
    private function updatedAt(array $payload): ?Carbon
    {
        $raw = $payload['date_modified_gmt'] ?? $payload['date_modified'] ?? null;

        return is_string($raw) && $raw !== '' ? Carbon::parse($raw) : null;
    }

    private function nullableString(mixed $value): ?string
    {
        $text = trim((string) $value);

        return $text === '' ? null : $text;
    }
}