// Type definitions for multer-s3
// Project: https://github.com/badunk/multer-s3
// Definitions by: KIM Jaesuck a.k.a. gim tcaesvk <http://github.com/tcaesvk/>
// Definitions: https://github.com/DefinitelyType/DefinitelyTyped

/// <reference path="../aws-sdk/aws-sdk.d.ts" />
/// <reference path="../multer/multer.d.ts" />

declare module "multer-s3" {
    import * as AWS from "aws-sdk"

    interface Options {
        s3: AWS.S3,
        bucket: ((req: Express.Request, file: Express.Multer.File, callback: (error: any, bucket?: string) => void) => void) | string
        key?: (req: Express.Request, file: Express.Multer.File, callback: (error: any, key?: string) => void) => void
        acl?: ((req: Express.Request, file: Express.Multer.File, callback: (error: any, acl?: string) => void) => void) | string
        contentType?: (req: Express.Request, file: Express.Multer.File, callback: (error: any, mime?: string, stream?: NodeJS.ReadableStream) => void) => void
        metadata?: (req: Express.Request, file: Express.Multer.File, callback: (error: any, metadata?: string) => void) => void
        cacheControl?: ((req: Express.Request, file: Express.Multer.File, callback: (error: any, cacheControl?: string) => void) => void) | string
    }

    import * as multer from "multer"

    interface S3Storage {
        (options?: Options): multer.StorageEngine

        AUTO_CONTENT_TYPE: (req: Express.Request, file: Express.Multer.File, callback: (error: any, mime?: string, stream?: NodeJS.ReadableStream) => void) => void
        DEFAULT_CONTENT_TYPE: (req: Express.Request, file: Express.Multer.File, callback: (error: any, mime?: string) => void) => void
    }

    let s3Storage: S3Storage

    export = s3Storage
}