<?php

namespace App\Services\Paddle;

use App\Models\Package;
use App\Models\Tenant;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Log;

class PaddleCheckoutService
{
    public function __construct(
        private readonly PaddleClient $client,
        private readonly PaddleCustomerService $customers,
    ) {}

    /**
     * @param  array{success_url?: string|null, return_url?: string|null}  $options
     */
    public function createCheckout(Tenant $tenant, Package $package, array $options = []): array
    {
        $customerId = $this->customers->ensureCustomerId($tenant);

        $successUrl = $options['success_url'] ?? route('marketing.success', ['packageId' => $package->id]);
        $returnUrl = $options['return_url'] ?? route('packages', ['highlight' => $package->slug]);

        $metadata = $this->buildMetadata($tenant, $package, $options['metadata'] ?? []);

        $payload = [
            'customer_id' => $customerId,
            'items' => [
                [
                    'price_id' => $package->paddle_price_id,
                    'quantity' => 1,
                ],
            ],
            'metadata' => $metadata,
            'success_url' => $successUrl,
            'cancel_url' => $returnUrl,
        ];

        if ($tenant->contact_email) {
            $payload['customer_email'] = $tenant->contact_email;
        }

        $response = $this->client->post('/checkout/links', $payload);

        $checkoutUrl = Arr::get($response, 'data.url') ?? Arr::get($response, 'url');

        if (! $checkoutUrl) {
            Log::warning('Paddle checkout response missing url', ['response' => $response]);
        }

        return [
            'checkout_url' => $checkoutUrl,
            'expires_at' => Arr::get($response, 'data.expires_at') ?? Arr::get($response, 'expires_at'),
            'id' => Arr::get($response, 'data.id') ?? Arr::get($response, 'id'),
        ];
    }

    /**
     * @param  array<string, mixed>  $extra
     * @return array<string, string>
     */
    protected function buildMetadata(Tenant $tenant, Package $package, array $extra = []): array
    {
        $metadata = [
            'tenant_id' => (string) $tenant->id,
            'package_id' => (string) $package->id,
        ];

        foreach ($extra as $key => $value) {
            if (! is_string($key)) {
                continue;
            }

            if (is_scalar($value) || (is_object($value) && method_exists($value, '__toString'))) {
                $metadata[$key] = (string) $value;
            }
        }

        return $metadata;
    }
}