import { Module, NestModule, MiddlewareConsumer } from '@nestjs/common';
import { PrismaModule } from './prisma/prisma.module';
import { ProductsModule } from './products/products.module';
import { UsersModule } from './users/users.module';
import { RedisModule } from './redis/redis.module';
import { RedisService } from './redis/redis.service';
import { AuthModule } from './auth/auth.module';
import { PetsModule } from './pets/pets.module';
import { OrdersModule } from './orders/orders.module';
import { SettingsModule } from './settings/settings.module';
import { ThrottlerModule, ThrottlerGuard } from '@nestjs/throttler';
import { APP_GUARD } from '@nestjs/core';
import { MetricsController } from './common/metrics.controller';
import { AdminModule } from './admin/admin.module';
import { HomeModule } from './home/home.module';
import { BlogsModule } from './blogs/blogs.module';
import { WikiModule } from './wiki/wiki.module';
import { SeoModule } from './seo/seo.module';
import { CmsModule } from './cms/cms.module';
import { WholesaleModule } from './wholesale/wholesale.module';
import { VideosModule } from './videos/videos.module';
import { SmsModule } from './common/sms.module';
import { ContactModule } from './contact/contact.module';
import { BannersModule } from './banners/banners.module';
import { SmartAdvisorModule } from './smart-advisor/smart-advisor.module';
import { TestimonialsModule } from './testimonials/testimonials.module';
import { IngredientsModule } from './ingredients/ingredients.module';
import { PrescriptionsModule } from './prescriptions/prescriptions.module';
import { B2BModule } from './b2b/b2b.module';
import { PaymentModule } from './payment/payment.module';

import { Request, Response, NextFunction } from 'express';

@Module({
  imports: [
    SmsModule,
    ContactModule,
    PrismaModule,
    RedisModule,
    ProductsModule,
    UsersModule,
    AuthModule,
    PetsModule,
    OrdersModule,
    SettingsModule,
    PaymentModule,
    ThrottlerModule.forRoot([
      {
        ttl: 60000,
        limit: 100,
      },
    ]),
    AdminModule,
    HomeModule,
    BlogsModule,
    WikiModule,
    SeoModule,
    CmsModule,
    WholesaleModule,
    VideosModule,
    BannersModule,
    SmartAdvisorModule,
    TestimonialsModule,
    IngredientsModule,
    PrescriptionsModule,
    B2BModule,
  ],
  controllers: [MetricsController],
  providers: [
    {
      provide: APP_GUARD,
      useClass: ThrottlerGuard,
    },
    RedisService,
  ],
})
export class AppModule implements NestModule {
  constructor(private readonly redisService: RedisService) {}

  configure(consumer: MiddlewareConsumer) {
    consumer
      .apply((req: Request, res: Response, next: NextFunction) => {
        MetricsController.incrementRequestCount();

        const url: string = req.originalUrl || req.url || '';
        const method: string = req.method || '';

        // Exclude options, admin panel requests, static assets, and health metrics from visit counter
        const isAdminPath =
          url.includes('/admin') || url.includes('/api/admin');
        const isStaticAsset = url.match(
          /\.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?|map)$/i,
        );
        const isIgnoredMethod = method === 'OPTIONS' || method === 'HEAD';

        if (!isAdminPath && !isStaticAsset && !isIgnoredMethod) {
          const todayKey = `visits:${new Date().toISOString().split('T')[0]}`;
          this.redisService.incr(todayKey, 86400).catch(() => {});
        }
        next();
      })
      .exclude('metrics')
      .forRoutes('*');
  }
}