<?php

namespace Longyi\FreeGift\Providers;

use ApiPlatform\State\ProcessorInterface;
use ApiPlatform\State\ProviderInterface;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\ServiceProvider;
use Longyi\FreeGift\Http\Requests\GiftCartRuleRequest;
use Longyi\FreeGift\Repositories\GiftCartRuleRepository;
use Longyi\FreeGift\State\GiftCartProcessor;
use Longyi\FreeGift\State\GiftCartProvider;
use Webkul\Admin\Http\Requests\CartRuleRequest;
use Webkul\CartRule\Repositories\CartRuleRepository;

class FreeGiftServiceProvider extends ServiceProvider
{
    /**
     * Register services.
     */
    public function register(): void
    {
        $this->registerConfig();

        // GraphQL（API Platform）的 provider / processor 必须注册进容器，
        // 否则 CallableProcessor 的 service locator 找不到它们：
        // "Processor ... not found on operation create"
        $this->app->tag(GiftCartProvider::class, ProviderInterface::class);
        $this->app->tag(GiftCartProcessor::class, ProcessorInterface::class);

        // 复用 Bagisto 原生的营销规则（Marketing > Promotions > Cart Rules）：
        // 规则本身的字段不重复造，只追加 free_gift[*] 配置。
        $this->app->bind(CartRuleRequest::class, GiftCartRuleRequest::class);

        $this->app->bind(CartRuleRepository::class, GiftCartRuleRepository::class);
    }

    /**
     * Bootstrap services.
     */
    public function boot(): void
    {
        $this->loadMigrationsFrom(__DIR__.'/../Database/Migrations');

        $this->loadTranslationsFrom(__DIR__.'/../Resources/lang', 'free_gift');

        $this->loadViewsFrom(__DIR__.'/../Resources/views', 'free_gift');

        $this->loadRoutesFrom(__DIR__.'/../Routes/shop-routes.php');

        // 后台：赠品 SKU 选择器（商品搜索接口）
        $this->loadRoutesFrom(__DIR__.'/../Routes/admin-routes.php');

        $this->app->register(EventServiceProvider::class);

        // 前台购物车页：赠品 Banner / 挑选弹窗
        Event::listen('bagisto.shop.checkout.cart.header.after', function ($viewRenderEventManager) {
            $viewRenderEventManager->addTemplate('free_gift::shop.cart.gift-container');
        });

        // 前台购物车行：赠品标记
        Event::listen('bagisto.shop.checkout.cart.item_name.after', function ($viewRenderEventManager) {
            $viewRenderEventManager->addTemplate('free_gift::shop.cart.gift-item-badge');
        });
    }

    /**
     * 系统配置项（System Configuration > Sales > Free Gift）。
     */
    protected function registerConfig(): void
    {
        $this->mergeConfigFrom(dirname(__DIR__).'/Config/system.php', 'core');
    }
}