<?php

namespace App\Services\Woo;

use App\Models\WooOrder;
use App\Models\WooStore;
use Carbon\Carbon;

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

        $billing = (array) ($payload['billing'] ?? []);
        $shipping = (array) ($payload['shipping'] ?? []);
        $lineItems = collect((array) ($payload['line_items'] ?? []))
            ->map(fn (array $item) => [
                'name' => (string) ($item['name'] ?? ''),
                'sku' => (string) ($item['sku'] ?? ''),
                'quantity' => max(1, (int) ($item['quantity'] ?? 1)),
                'total_minor' => (int) round(((float) ($item['total'] ?? 0)) * 100),
            ])
            ->filter(fn (array $i) => $i['name'] !== '')
            ->values()
            ->all();

        $totalMinor = (int) round(((float) ($payload['total'] ?? 0)) * 100);
        $currency = strtoupper((string) ($payload['currency'] ?? 'GHS'));

        $wcUpdatedAt = isset($payload['date_modified_gmt'])
            ? Carbon::parse($payload['date_modified_gmt'].' UTC')
            : null;

        $order = WooOrder::query()->updateOrCreate(
            [
                'woo_store_id' => $store->id,
                'external_order_id' => $externalId,
            ],
            [
                'order_number' => (string) ($payload['number'] ?? $externalId),
                'wc_status' => (string) ($payload['status'] ?? ''),
                'payment_status' => $this->paymentStatus($payload),
                'customer_name' => trim(collect([$billing['first_name'] ?? '', $billing['last_name'] ?? ''])->filter()->implode(' ')) ?: null,
                'customer_email' => $billing['email'] ?? null,
                'customer_phone' => $billing['phone'] ?? null,
                'line_items' => $lineItems,
                'billing_address' => $billing ?: null,
                'shipping_address' => $shipping ?: null,
                'currency' => $currency,
                'total_minor' => $totalMinor,
                'wc_updated_at' => $wcUpdatedAt,
                'metadata' => [
                    'payment_method' => $payload['payment_method_title'] ?? null,
                    'customer_note' => $payload['customer_note'] ?? null,
                ],
            ],
        );

        $store->update(['last_webhook_at' => now()]);

        return $order;
    }

    /** @param  array<string, mixed>  $payload */
    private function paymentStatus(array $payload): string
    {
        if (! empty($payload['date_paid']) || ($payload['needs_payment'] ?? true) === false) {
            return 'paid';
        }

        return 'unpaid';
    }
}