<?php

namespace Modules\Core\Providers;

use Illuminate\Support\Facades\Event;
use Illuminate\Support\ServiceProvider;
use Lunar\Facades\ModelManifest;
use Lunar\Models\Contracts\Transaction as TransactionContract;
use Lunar\Pipelines\Cart\ApplyShipping;
use Modules\Core\Command\SyncPaymentDriversCommand;
use Modules\Core\Payment\Drivers\BankTransferPaymentDriver;
use Modules\Core\Payment\Drivers\CashOnDeliveryPaymentDriver;
use Modules\Core\Payment\Drivers\OfflinePaymentDriver;
use Modules\Core\Payment\Drivers\StripePaymentDriver;
use Modules\Core\Payment\Events\PaymentMethodCreated;
use Modules\Core\Payment\Events\PaymentMethodDeleted;
use Modules\Core\Payment\Events\PaymentMethodUpdated;
use Modules\Core\Payment\Listeners\LogPaymentMethodActivity;
use Modules\Core\Payment\Models\CoreTransaction;
use Modules\Core\Payment\Services\PaymentDriverRegistry;

class PaymentServiceProvider extends ServiceProvider
{
    public function register(): void
    {
        $this->mergeConfigFrom(__DIR__ . '/../../config/payment.php', 'payment');

        $this->app->singleton(PaymentDriverRegistry::class);
    }

    public function boot(): void
    {
        $registry = $this->app->make(PaymentDriverRegistry::class);
        $registry->register('offline', OfflinePaymentDriver::class, 'Offline / Manual');
        $registry->register('stripe', StripePaymentDriver::class, 'Stripe');
        $registry->register('bank-transfer', BankTransferPaymentDriver::class, 'Bank Transfer');
        $registry->register('cash-on-delivery', CashOnDeliveryPaymentDriver::class, 'Cash on Delivery');

        $cartPipeline = config('lunar.cart.pipelines.cart', []);
        $insertAfter = array_search(ApplyShipping::class, $cartPipeline, true);

        foreach (config('payment.cart_pipeline', []) as $pipe) {
            if (in_array($pipe, $cartPipeline, true)) {
                continue;
            }

            if ($insertAfter === false) {
                $cartPipeline[] = $pipe;
            } else {
                array_splice($cartPipeline, $insertAfter + 1, 0, [$pipe]);
                $insertAfter++;
            }
        }

        config(['lunar.cart.pipelines.cart' => $cartPipeline]);

        // Same contract-swap mechanism this codebase already uses for
        // Customer/Staff (see e.g. consuming apps' own AppServiceProvider,
        // ModelManifest::replace(Contracts\Customer::class, ...)) — every
        // place Lunar's own code resolves a transaction via
        // Transaction::modelClass() (Order::transactions()'s own relation
        // included) gets Modules\Core\Payment\Models\CoreTransaction
        // instead of the vendor's own Transaction. That subclass's
        // driver() override is the ENTIRE fix for the admin panel's
        // refund/capture actions silently landing on our real payment
        // system — see CoreTransaction's own docblock. Lunar's own
        // Payments facade/PaymentManager is never touched at all.
        ModelManifest::replace(TransactionContract::class, CoreTransaction::class);

        Event::listen(PaymentMethodCreated::class, [LogPaymentMethodActivity::class, 'handleCreated']);
        Event::listen(PaymentMethodUpdated::class, [LogPaymentMethodActivity::class, 'handleUpdated']);
        Event::listen(PaymentMethodDeleted::class, [LogPaymentMethodActivity::class, 'handleDeleted']);

        $this->loadRoutesFrom(__DIR__ . '/../Payment/routes/webhooks.php');

        if ($this->app->runningInConsole()) {
            $this->commands([SyncPaymentDriversCommand::class]);
        }
    }
}