<?php

namespace App\Services;

use App\Models\UserSubscriber;
use Carbon\Carbon;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class AppMarketPurchaseVerifier
{
    public function verifyBazaarSubscription(string $subscriptionId, string $purchaseToken): ?Carbon
    {
        $packageName = config('services.app_markets.package_name');
        $url = "https://pardakht.cafebazaar.ir/devapi/v2/api/applications/{$packageName}/subscriptions/{$subscriptionId}/purchases/{$purchaseToken}";

        $response = Http::withHeaders([
            'CAFEBAZAAR-PISHKHAN-API-SECRET' => config('services.app_markets.bazaar_secret'),
        ])->get($url);

        if (!$response->successful()) {
            Log::error('Failed to verify Bazaar subscription', [
                'status' => $response->status(),
                'body' => $response->body(),
            ]);

            return null;
        }

        $validUntil = $response->json('validUntilTimestampMsec');

        if (!$validUntil || $validUntil < now()->timestamp * 1000) {
            return null;
        }

        return Carbon::createFromTimestampMs($validUntil);
    }

    public function refreshBazaarSubscriber(UserSubscriber $subscriber): bool
    {
        if (!$subscriber->subscription_id || !$subscriber->purchase_token) {
            return false;
        }

        $expiredAt = $this->verifyBazaarSubscription($subscriber->subscription_id, $subscriber->purchase_token);

        if (!$expiredAt) {
            $subscriber->update(['expired_at' => now()]);

            return false;
        }

        $subscriber->update([
            'expired_at' => $expiredAt,
            'last_verified_at' => now(),
        ]);

        return true;
    }

    public function verifyMyketProduct(string $skuId, string $token): ?array
    {
        $packageName = config('services.app_markets.package_name');
        $url = "https://developer.myket.ir/api/partners/applications/{$packageName}/purchases/products/{$skuId}/verify";

        $response = Http::withHeaders([
            'X-Access-Token' => config('services.app_markets.myket_access_token'),
        ])->post($url, [
            'tokenId' => $token,
        ]);

        if (!$response->successful()) {
            Log::error('Failed to verify Myket purchase', [
                'status' => $response->status(),
                'body' => $response->body(),
            ]);

            return null;
        }

        $data = $response->json();

        if (($data['purchaseState'] ?? null) !== 0 || empty($data['purchaseTime'])) {
            return null;
        }

        return [
            'data' => $data,
            'purchased_at' => Carbon::createFromTimestampMs($data['purchaseTime']),
        ];
    }

    public function refreshMyketSubscriber(UserSubscriber $subscriber): bool
    {
        if (!$subscriber->product_id || !$subscriber->purchase_token || !$subscriber->subscribe) {
            return false;
        }

        $purchase = $this->verifyMyketProduct($subscriber->product_id, $subscriber->purchase_token);

        if (!$purchase) {
            $subscriber->update(['expired_at' => now()]);

            return false;
        }

        $expiredAt = $purchase['purchased_at']->copy()->addDays($subscriber->subscribe->expired_day);

        $subscriber->update([
            'purchased_at' => $purchase['purchased_at'],
            'expired_at' => $expiredAt,
            'last_verified_at' => now(),
        ]);

        return $expiredAt->greaterThanOrEqualTo(now());
    }
}