<?php

namespace App\Module\OpenAPI\Providers;

use App\Module\OpenAPI\Events\AppCreatedEvent;
use App\Module\OpenAPI\Listeners\AppCreatedListener;
use App\Module\OpenAPI\Middleware\ApiAuthMiddleware;
use App\Module\OpenAPI\Middleware\RateLimitMiddleware;
use App\Module\OpenAPI\Middleware\ScopeMiddleware;
use App\Module\OpenAPI\Middleware\IpWhitelistMiddleware;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\ServiceProvider;

/**
 * OpenAPI模块服务提供者
 *
 * 专注于后台管理功能，使用注解路由，不注册API路由和资源
 */
class OpenAPIServiceProvider extends ServiceProvider
{
    /**
     * 注册服务
     *
     * @return void
     */
    public function register()
    {
        // 注册配置文件
        $this->mergeConfigFrom(
            __DIR__ . '/../Config/openapi.php',
            'openapi'
        );

        // 注册服务
        $this->registerServices();

        // 注册Handler
        $this->registerHandlers();
    }

    /**
     * 启动服务
     *
     * @return void
     */
    public function boot()
    {
        // 注册路由
        $this->registerRoutes();

        // 注册中间件
        $this->registerMiddleware();

        // 注册事件监听器
        $this->registerEventListeners();

        // 注册命令
        $this->registerCommands();
    }

    /**
     * 注册服务
     *
     * @return void
     */
    protected function registerServices()
    {
        // 注册OpenAPI服务
        $this->app->singleton('openapi.service', function () {
            return new \App\Module\OpenAPI\Services\OpenApiService();
        });

        // 注册认证服务
        $this->app->singleton('openapi.auth', function ($app) {
            return new \App\Module\OpenAPI\Services\AuthService(
                $app->make('openapi.service')
            );
        });

        // 注册日志服务
        $this->app->singleton('openapi.log', function () {
            return new \App\Module\OpenAPI\Services\LogService();
        });

        // 注册频率限制服务
        $this->app->singleton('openapi.rate_limit', function () {
            return new \App\Module\OpenAPI\Services\RateLimitService();
        });

        // 注册权限范围服务
        $this->app->singleton('openapi.scope', function () {
            return new \App\Module\OpenAPI\Services\ScopeService();
        });

        // 注册Webhook服务
        $this->app->singleton('openapi.webhook', function () {
            return new \App\Module\OpenAPI\Services\WebhookService();
        });
    }

    /**
     * 注册Handler
     *
     * @return void
     */
    protected function registerHandlers()
    {
        $handlerService = new \App\Module\OpenAPI\Services\HandlerRegistrationService();
        $handlerService->registerHandlers();
    }

    /**
     * 注册路由
     *
     * @return void
     */
    protected function registerRoutes()
    {
        // 使用路由注册服务来注册路由
        $routeService = new \App\Module\OpenAPI\Services\RouteRegistrationService();
        $routeService->registerAllRoutes();

        // 注册后台管理路由（保留原有的后台路由文件）
        if (file_exists($adminRoutes = __DIR__ . '/../Routes/admin.php')) {
            Route::middleware(['web', 'admin'])
                ->prefix(config('admin.route.prefix', 'admin'))
                ->group($adminRoutes);
        }
    }

    /**
     * 注册中间件
     *
     * @return void
     */
    protected function registerMiddleware()
    {
        $router = $this->app['router'];

        // 注册中间件别名
        $router->aliasMiddleware('openapi.auth', ApiAuthMiddleware::class);
        $router->aliasMiddleware('openapi.rate_limit', RateLimitMiddleware::class);
        $router->aliasMiddleware('openapi.scope', ScopeMiddleware::class);
        $router->aliasMiddleware('openapi.ip_whitelist', IpWhitelistMiddleware::class);

        // 注册中间件组
        $router->middlewareGroup('openapi', [
            'openapi.auth',
            'openapi.rate_limit',
            'openapi.scope',
            'openapi.ip_whitelist',
        ]);
    }

    /**
     * 注册事件监听器
     *
     * @return void
     */
    protected function registerEventListeners()
    {
        Event::listen(
            AppCreatedEvent::class,
            AppCreatedListener::class
        );
    }

    /**
     * 注册命令
     *
     * @return void
     */
    protected function registerCommands()
    {
        if ($this->app->runningInConsole()) {
            $this->commands([
                \App\Module\OpenAPI\Commands\GenerateApiKeyCommand::class,
                \App\Module\OpenAPI\Commands\CleanExpiredTokensCommand::class,
                \App\Module\OpenAPI\Commands\GenerateStatsCommand::class,
                \App\Module\OpenAPI\Commands\CleanDataCommand::class,
            ]);
        }
    }

    /**
     * 获取提供的服务
     *
     * @return array
     */
    public function provides()
    {
        return [
            'openapi.service',
            'openapi.auth',
            'openapi.log',
            'openapi.rate_limit',
            'openapi.scope',
            'openapi.webhook',
        ];
    }
}