import { Module } from '@nestjs/common';
import { RouterModule } from '@nestjs/core';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { ThrottlerModule } from '@nestjs/throttler';

// Configuration
import { appConfig } from './common/config/app.config';
import { createThrottlerConfig } from './common/config/throttler.config';
import { apiRoutes } from './common/config/router.config';

// Core Infrastructure Modules
import { LoggingModule } from './common/logging/logging.module';
import { PrismaModule } from './common/prisma/prisma.module';
import { RedisModule } from './common/redis/redis.module';
import { CacheModule } from './common/cache/cache.module';
import { AuditModule } from './common/audit/audit.module';
import { EmailModule } from './common/email/email.module';

// External Integration Modules
import { VendorsModule } from './vendors/vendors.module';
import { JobsModule } from './jobs/jobs.module';

// Feature Modules
import { AuthModule } from './auth/auth.module';
import { UsersModule } from './users/users.module';
import { MappingsModule } from './mappings/mappings.module';
import { CatalogModule } from './catalog/catalog.module';
import { OrdersModule } from './orders/orders.module';
import { InvoicesModule } from './invoices/invoices.module';
import { SubscriptionsModule } from './subscriptions/subscriptions.module';
import { CasesModule } from './cases/cases.module';
import { WebhooksModule } from './webhooks/webhooks.module';

// System Modules
import { HealthModule } from './health/health.module';

/**
 * Main application module
 * 
 * Architecture:
 * - Core infrastructure modules provide foundational services
 * - External integration modules handle third-party services
 * - Feature modules implement business logic
 * - System modules provide monitoring and health checks
 * 
 * All feature modules are grouped under "/api" prefix via RouterModule
 * Health endpoints remain at root level for monitoring tools
 */
@Module({
  imports: [
    // === CONFIGURATION ===
    ConfigModule.forRoot(appConfig),

    // === INFRASTRUCTURE ===
    LoggingModule,
    ThrottlerModule.forRootAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: createThrottlerConfig,
    }),

    // === CORE SERVICES ===
    PrismaModule,
    RedisModule,
    CacheModule,
    AuditModule,
    EmailModule,

    // === EXTERNAL INTEGRATIONS ===
    VendorsModule,
    JobsModule,

    // === FEATURE MODULES ===
    AuthModule,
    UsersModule,
    MappingsModule,
    CatalogModule,
    OrdersModule,
    InvoicesModule,
    SubscriptionsModule,
    CasesModule,
    WebhooksModule,

    // === SYSTEM MODULES ===
    HealthModule,

    // === ROUTING ===
    RouterModule.register(apiRoutes),
  ],
})
export class AppModule {}