import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { TypeOrmModule } from '@nestjs/typeorm';
import { LoggerModule } from 'nestjs-pino';
import { APP_GUARD } from '@nestjs/core';
import * as Joi from 'joi';

// Import feature modules
import { AuthModule } from './application/auth/auth.module';
import { RatesModule } from './application/rates/rates.module';
import { BookingsModule } from './application/bookings/bookings.module';
import { OrganizationsModule } from './application/organizations/organizations.module';
import { UsersModule } from './application/users/users.module';
import { DashboardModule } from './application/dashboard/dashboard.module';
import { AuditModule } from './application/audit/audit.module';
import { NotificationsModule } from './application/notifications/notifications.module';
import { WebhooksModule } from './application/webhooks/webhooks.module';
import { GDPRModule } from './application/gdpr/gdpr.module';
import { CacheModule } from './infrastructure/cache/cache.module';
import { CarrierModule } from './infrastructure/carriers/carrier.module';
import { SecurityModule } from './infrastructure/security/security.module';

// Import global guards
import { JwtAuthGuard } from './application/guards/jwt-auth.guard';
import { CustomThrottlerGuard } from './application/guards/throttle.guard';

@Module({
  imports: [
    // Configuration
    ConfigModule.forRoot({
      isGlobal: true,
      validationSchema: Joi.object({
        NODE_ENV: Joi.string()
          .valid('development', 'production', 'test')
          .default('development'),
        PORT: Joi.number().default(4000),
        DATABASE_HOST: Joi.string().required(),
        DATABASE_PORT: Joi.number().default(5432),
        DATABASE_USER: Joi.string().required(),
        DATABASE_PASSWORD: Joi.string().required(),
        DATABASE_NAME: Joi.string().required(),
        REDIS_HOST: Joi.string().required(),
        REDIS_PORT: Joi.number().default(6379),
        REDIS_PASSWORD: Joi.string().required(),
        JWT_SECRET: Joi.string().required(),
        JWT_ACCESS_EXPIRATION: Joi.string().default('15m'),
        JWT_REFRESH_EXPIRATION: Joi.string().default('7d'),
      }),
    }),

    // Logging
    LoggerModule.forRootAsync({
      useFactory: (configService: ConfigService) => ({
        pinoHttp: {
          transport:
            configService.get('NODE_ENV') === 'development'
              ? {
                  target: 'pino-pretty',
                  options: {
                    colorize: true,
                    translateTime: 'SYS:standard',
                    ignore: 'pid,hostname',
                  },
                }
              : undefined,
          level: configService.get('NODE_ENV') === 'production' ? 'info' : 'debug',
        },
      }),
      inject: [ConfigService],
    }),

    // Database
    TypeOrmModule.forRootAsync({
      useFactory: (configService: ConfigService) => ({
        type: 'postgres',
        host: configService.get('DATABASE_HOST'),
        port: configService.get('DATABASE_PORT'),
        username: configService.get('DATABASE_USER'),
        password: configService.get('DATABASE_PASSWORD'),
        database: configService.get('DATABASE_NAME'),
        entities: [],
        synchronize: configService.get('DATABASE_SYNC', false),
        logging: configService.get('DATABASE_LOGGING', false),
      }),
      inject: [ConfigService],
    }),

    // Infrastructure modules
    SecurityModule,
    CacheModule,
    CarrierModule,

    // Feature modules
    AuthModule,
    RatesModule,
    BookingsModule,
    OrganizationsModule,
    UsersModule,
    DashboardModule,
    AuditModule,
    NotificationsModule,
    WebhooksModule,
    GDPRModule,
  ],
  controllers: [],
  providers: [
    // Global JWT authentication guard
    // All routes are protected by default, use @Public() to bypass
    {
      provide: APP_GUARD,
      useClass: JwtAuthGuard,
    },
    // Global rate limiting guard
    {
      provide: APP_GUARD,
      useClass: CustomThrottlerGuard,
    },
  ],
})
export class AppModule {}