import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { JwtModule } from '@nestjs/jwt';
import { PassportModule } from '@nestjs/passport';
import { AuthController } from './auth.controller';
import { AuthService } from './auth.service';
import { JwtStrategy } from './strategies/jwt.strategy';

@Module({
  imports: [
    PassportModule.register({ defaultStrategy: 'admin-jwt' }),
    JwtModule.registerAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: (config: ConfigService) => {
        const secret = config.get<string>('JWT_SECRET');
        if (!secret) {
          throw new Error('JWT_SECRET env is required for AuthModule');
        }
        // 실제 서명 시 expiresIn 은 AuthService 가 초 단위로 개별 전달하므로 여기선 secret 만 고정한다.
        return { secret };
      },
    }),
  ],
  controllers: [AuthController],
  providers: [AuthService, JwtStrategy],
  exports: [AuthService],
})
export class AuthModule {}