<?php

declare(strict_types=1);

namespace WhmcsMigrate;

final class StatusMapper
{
    /**
     * Map WHMCS client status to EZSCALE user status.
     */
    public static function mapClientStatus(string $whmcsStatus): string
    {
        return match ($whmcsStatus) {
            'Active' => 'active',
            'Inactive' => 'suspended',
            'Closed' => 'banned',
            default => 'suspended',
        };
    }

    /**
     * Map WHMCS service/hosting status to EZSCALE service status.
     */
    public static function mapServiceStatus(string $whmcsStatus): string
    {
        return match ($whmcsStatus) {
            'Active' => 'active',
            'Suspended' => 'suspended',
            'Terminated' => 'terminated',
            'Cancelled' => 'terminated',
            'Pending' => 'pending',
            default => 'pending',
        };
    }

    /**
     * Map WHMCS invoice status to EZSCALE invoice status.
     */
    public static function mapInvoiceStatus(string $whmcsStatus): string
    {
        return match ($whmcsStatus) {
            'Paid' => 'paid',
            'Unpaid' => 'pending',
            'Overdue' => 'overdue',
            'Cancelled' => 'void',
            'Refunded' => 'refunded',
            'Draft' => 'draft',
            default => 'pending',
        };
    }

    /**
     * Map WHMCS billing cycle to EZSCALE billing cycle.
     */
    public static function mapBillingCycle(string $whmcsCycle): string
    {
        return match ($whmcsCycle) {
            'Monthly' => 'monthly',
            'Quarterly' => 'quarterly',
            'Semi-Annually' => 'semi_annual',
            'Annually' => 'annual',
            'Biennially' => 'annual',
            'Triennially' => 'annual',
            'Free Account' => 'monthly',
            'One Time' => 'monthly',
            default => 'monthly',
        };
    }

    /**
     * Map WHMCS service status to Stripe subscription status.
     */
    public static function mapStripeStatus(string $whmcsServiceStatus): string
    {
        return match ($whmcsServiceStatus) {
            'Active' => 'active',
            'Suspended' => 'past_due',
            'Terminated' => 'canceled',
            'Cancelled' => 'canceled',
            'Pending' => 'incomplete',
            default => 'incomplete',
        };
    }

    /**
     * Map WHMCS payment gateway module name to EZSCALE gateway identifier.
     */
    public static function mapGateway(string $whmcsGateway): string
    {
        $normalized = strtolower(trim($whmcsGateway));

        return match (true) {
            str_contains($normalized, 'paypal') => 'paypal',
            str_contains($normalized, 'stripe') => 'stripe',
            str_contains($normalized, 'bank') => 'stripe',
            str_contains($normalized, 'transfer') => 'stripe',
            str_contains($normalized, 'credit') => 'stripe',
            $normalized === '' => 'stripe',
            default => 'stripe',
        };
    }

    /**
     * Heuristically map a WHMCS product group name (and optionally product name) to an EZSCALE service type.
     */
    public static function mapServiceType(string $groupName, string $productName = ''): string
    {
        // Try group name first
        $normalized = strtolower(trim($groupName));

        if ($normalized !== '' && $normalized !== 'none') {
            return match (true) {
                str_contains($normalized, 'mysql') => 'mysql',
                str_contains($normalized, 'veeam') || str_contains($normalized, 'backup') => 'backups',
                str_contains($normalized, 'vps') || str_contains($normalized, 'cloud') || str_contains($normalized, 'virtual') => 'vps',
                str_contains($normalized, 'dedicated') => 'dedicated',
                str_contains($normalized, 'web') || str_contains($normalized, 'hosting') || str_contains($normalized, 'cpanel') => 'hosting',
                str_contains($normalized, 'game') || str_contains($normalized, 'minecraft') || str_contains($normalized, 'rust') => 'game_server',
                default => 'vps',
            };
        }

        // Fall back to product name heuristics
        $name = strtolower(trim($productName));

        return match (true) {
            // MySQL hosting
            str_contains($name, 'mysql') => 'mysql',
            // Backup services (Veeam, etc.)
            str_contains($name, 'veeam') || str_contains($name, 'backup') => 'backups',
            // Dedicated servers: Dell, HP, Storage Server with bay counts
            str_contains($name, 'dell r') || str_contains($name, 'hp dl') || str_contains($name, 'storage server') => 'dedicated',
            // VPS products
            str_contains($name, 'vps') || str_contains($name, 'cloud') || str_contains($name, 'virtual') => 'vps',
            // Game server related
            str_contains($name, 'battlefield') || str_contains($name, 'procon') || str_contains($name, 'game') || str_contains($name, 'minecraft') => 'game_server',
            // Managed dedicated
            str_contains($name, 'managed dedicated') => 'dedicated',
            // Web hosting tiers
            str_contains($name, 'hosting') || str_contains($name, 'cpanel') => 'hosting',
            default => 'other',
        };
    }

    /**
     * Map an EZSCALE service type to its provisioning platform.
     *
     * Returns null for service types that have no auto-provisioning platform.
     */
    public static function mapPlatform(string $serviceType): string
    {
        return match ($serviceType) {
            'vps' => 'virtfusion',
            'dedicated' => 'synergycp',
            'hosting' => 'enhance',
            'game_server' => 'pterodactyl',
            'mysql' => 'manual',
            'backups' => 'manual',
            'other' => 'manual',
            default => 'virtfusion',
        };
    }
}