import { Type } from '@nestjs/common'
import { ModuleMetadata } from '@nestjs/common/interfaces'
import { DynamoDB } from 'aws-sdk'
import {  APIVersions } from 'aws-sdk/lib/config'
import {ConfigurationOptions} from 'aws-sdk/lib/config-base'
import { ConfigurationServicePlaceholders } from 'aws-sdk/lib/config_service_placeholders'
import { CreateTableOptions } from '@aws/dynamodb-data-mapper'

export interface DynamoDBClass {
  new (...args: any[])
}

export interface DynamoDBClassWithOptions {
  tableOptions: CreateTableOptions
  dynamoDBClass: DynamoDBClass
}

export type DynamoDBInput = DynamoDBClass | DynamoDBClassWithOptions

export interface DynamoDBModuleOptions {
  dynamoDBOptions: DynamoDB.ClientConfiguration
  AWSConfig: Partial<
    ConfigurationOptions & ConfigurationServicePlaceholders & APIVersions
  >
}

export interface DynamoDBOptionsFactory {
  createTypegooseOptions():
    | Promise<DynamoDBModuleOptions>
    | DynamoDBModuleOptions
}

export interface DynamoDBModuleAsyncOptions
  extends Pick<ModuleMetadata, 'imports'> {
  connectionName?: string
  useExisting?: Type<DynamoDBOptionsFactory>
  useClass?: Type<DynamoDBOptionsFactory>
  useFactory?: (
    ...args: any[]
  ) => Promise<DynamoDBModuleOptions> | DynamoDBModuleOptions
  inject?: any[]
}