import * as DynamoDB from 'aws-sdk/clients/dynamodb'
import * as AWS from 'aws-sdk'
import { DataMapper } from '@aws/dynamodb-data-mapper'
import { DynamoDBModuleOptions } from './dynamodb.interfaces'

export const createDynamodbClient = (options: DynamoDBModuleOptions): DynamoDB => {
  AWS.config.update(options.AWSConfig)
  return new DynamoDB(options.dynamoDBOptions)
}

export const createMapper = (dynamoDBClient: DynamoDB): DataMapper =>
  new DataMapper({
    client: dynamoDBClient // the SDK client used to execute operations
  })