import { Module, forwardRef } from '@nestjs/common';
import { JwtModule } from '@nestjs/jwt';
import { PassportModule } from '@nestjs/passport';
import { UsersModule } from '../users/users.module';
import { JwtStrategy } from './jwt.strategy';
import { JwtAuthGuard } from './jwt-auth.guard';
import { RolesGuard } from './roles.guard';

const getJwtSecret = () => {
  if (process.env.JWT_SECRET) return process.env.JWT_SECRET;
  if (process.env.NODE_ENV === 'production') {
    throw new Error('JWT_SECRET must be configured in production');
  }
  return 'philomind-dev-only-secret-change-me';
};

@Module({
  imports: [
    PassportModule.register({ defaultStrategy: 'jwt' }),
    JwtModule.register({
      secret: getJwtSecret(),
      signOptions: { expiresIn: '7d' },
    }),
    forwardRef(() => UsersModule),
  ],
  providers: [JwtStrategy, JwtAuthGuard, RolesGuard],
  exports: [PassportModule, JwtModule, JwtAuthGuard, RolesGuard],
})
export class AuthModule {}