import { Module, Global } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { JwtModule } from '@nestjs/jwt';
import { HttpModule } from '@nestjs/axios';
import { APP_FILTER, APP_INTERCEPTOR, APP_GUARD } from '@nestjs/core';

// Config
import { appConfig, databaseConfig, jwtConfig, redisConfig, kafkaConfig, smsConfig, walletConfig } from '@/config';

// Controllers
import { UserAccountController } from '@/api/controllers/user-account.controller';
import { HealthController } from '@/api/controllers/health.controller';
import { ReferralsController } from '@/api/controllers/referrals.controller';

// Application Services
import { UserApplicationService } from '@/application/services/user-application.service';
import { TokenService } from '@/application/services/token.service';

// Domain Services
import {
  AccountSequenceGeneratorService, UserValidatorService, WalletGeneratorService,
} from '@/domain/services';
import { USER_ACCOUNT_REPOSITORY } from '@/domain/repositories/user-account.repository.interface';
import { MPC_KEY_SHARE_REPOSITORY } from '@/domain/repositories/mpc-key-share.repository.interface';

// Infrastructure
import { PrismaService } from '@/infrastructure/persistence/prisma/prisma.service';
import { UserAccountRepositoryImpl } from '@/infrastructure/persistence/repositories/user-account.repository.impl';
import { MpcKeyShareRepositoryImpl } from '@/infrastructure/persistence/repositories/mpc-key-share.repository.impl';
import { RedisService } from '@/infrastructure/redis/redis.service';
import { EventPublisherService } from '@/infrastructure/kafka/event-publisher.service';
import { SmsService } from '@/infrastructure/external/sms/sms.service';
import { MpcClientService, MpcWalletService } from '@/infrastructure/external/mpc';
import { BackupClientService, MpcShareStorageService } from '@/infrastructure/external/backup';
import { WalletGeneratorServiceImpl } from '@/infrastructure/external/blockchain/wallet-generator.service.impl';

// Shared
import { GlobalExceptionFilter, TransformInterceptor } from '@/shared/filters/global-exception.filter';
import { JwtAuthGuard } from '@/shared/guards/jwt-auth.guard';

// ============ Infrastructure Module ============
@Global()
@Module({
  imports: [
    HttpModule.register({
      timeout: 300000,
      maxRedirects: 5,
    }),
  ],
  providers: [
    PrismaService,
    RedisService,
    EventPublisherService,
    SmsService,
    MpcClientService,
    MpcWalletService,
    BackupClientService,
    MpcShareStorageService,
    // WalletGeneratorService 抽象类由 WalletGeneratorServiceImpl 实现
    WalletGeneratorServiceImpl,
    { provide: WalletGeneratorService, useExisting: WalletGeneratorServiceImpl },
    { provide: MPC_KEY_SHARE_REPOSITORY, useClass: MpcKeyShareRepositoryImpl },
  ],
  exports: [
    PrismaService,
    RedisService,
    EventPublisherService,
    SmsService,
    MpcClientService,
    MpcWalletService,
    BackupClientService,
    MpcShareStorageService,
    WalletGeneratorService,
    MPC_KEY_SHARE_REPOSITORY,
  ],
})
export class InfrastructureModule {}

// ============ Domain Module ============
@Module({
  imports: [InfrastructureModule],
  providers: [
    { provide: USER_ACCOUNT_REPOSITORY, useClass: UserAccountRepositoryImpl },
    AccountSequenceGeneratorService,
    UserValidatorService,
    // WalletGeneratorService 由 InfrastructureModule 提供
  ],
  exports: [
    USER_ACCOUNT_REPOSITORY,
    AccountSequenceGeneratorService,
    UserValidatorService,
    // WalletGeneratorService 由 InfrastructureModule 导出
  ],
})
export class DomainModule {}

// ============ Application Module ============
@Module({
  imports: [DomainModule, InfrastructureModule],
  providers: [UserApplicationService, TokenService],
  exports: [UserApplicationService, TokenService],
})
export class ApplicationModule {}

// ============ API Module ============
@Module({
  imports: [ApplicationModule],
  controllers: [HealthController, UserAccountController, ReferralsController],
})
export class ApiModule {}

// ============ App Module ============
@Module({
  imports: [
    ConfigModule.forRoot({
      isGlobal: true,
      load: [appConfig, databaseConfig, jwtConfig, redisConfig, kafkaConfig, smsConfig, walletConfig],
    }),
    JwtModule.registerAsync({
      global: true,
      inject: [ConfigService],
      useFactory: (configService: ConfigService) => ({
        secret: configService.get<string>('JWT_SECRET'),
        signOptions: { expiresIn: configService.get<string>('JWT_ACCESS_EXPIRES_IN', '2h') },
      }),
    }),
    InfrastructureModule,
    DomainModule,
    ApplicationModule,
    ApiModule,
  ],
  providers: [
    { provide: APP_FILTER, useClass: GlobalExceptionFilter },
    { provide: APP_INTERCEPTOR, useClass: TransformInterceptor },
    { provide: APP_GUARD, useClass: JwtAuthGuard },
  ],
})
export class AppModule {}