<?php

namespace App\Integrations\Whmcs\Transformers;

use App\Integrations\Whmcs\DTOs\ServiceData;
use App\Integrations\Whmcs\Support\CustomerIdResolver;
use App\Integrations\Whmcs\Support\OrderItemIdResolver;
use App\Integrations\Whmcs\Support\ProductIdResolver;

class ServiceTransformer
{
    public function __construct(
        private CustomerIdResolver $customers,
        private ProductIdResolver $products,
        private OrderItemIdResolver $orderItems,
    ) {
    }

    public function transform(array|object $row): ServiceData
    {
        $row = (array) $row;
        $legacyId = (int) $row['id'];

        return new ServiceData(
            legacyId: $legacyId,
            customerId: $this->customers->resolveFor('service', $row['domain'] ?: $row['id'], (int) $row['userid']),
            productId: $this->products->resolve((int) $row['packageid']),
            legacyProductId: (int) $row['packageid'],
            orderItemId: $this->orderItems->resolve($legacyId),
            serverName: $row['domain'] ?: null,
            status: $this->mapStatus($row['domainstatus']),
            autoRenew: $row['billingcycle'] !== 'One Time',
            startedAt: $this->nullableDate($row['regdate'] ?? null),
            expiresAt: $this->nullableDate($row['nextduedate'] ?? null),
            cancelledAt: $this->nullableDate($row['termination_date'] ?? null),
            note: $row['notes'] ?: null,
        );
    }

    /**
     * services.status: pending, active, suspended, expired, cancelled, terminated.
     */
    private function mapStatus(string $whmcsStatus): string
    {
        return match ($whmcsStatus) {
            'Active', 'Completed' => 'active',
            'Suspended' => 'suspended',
            'Terminated' => 'terminated',
            'Cancelled', 'Fraud' => 'cancelled',
            default => 'pending',
        };
    }

    private function nullableDate(?string $value): ?string
    {
        if (! $value || (int) substr($value, 0, 4) < 1970) {
            return null;
        }

        return $value;
    }
}