import { config } from "../config/config.js";
import { HttpRequest } from "@smithy/protocol-http";
import { S3RequestPresigner } from "@aws-sdk/s3-request-presigner";
import { Hash } from "@smithy/hash-node";
import { formatUrl } from "@aws-sdk/util-format-url";

const credentials = {
    accessKeyId: config.AWS_SES_ACCESS_KEYID,
    secretAccessKey: config.AWS_SES_SECRET_ACCESS_KEY
}

const presigned = new S3RequestPresigner({
    credentials,
    region: config.AWS_SES_REGION,
    sha256: Hash.bind(null, "sha256"), // In Node.js
    //sha256: Sha256 // In browsers
});
// Create a GET request from S3 url.
export const getPreSignedUrl = async (file_url) => {
    try {
        if (file_url == '' || file_url == null) {
            return ''
        }
        const url = await presigned.presign(new HttpRequest(file_url));
        return formatUrl(url)
    } catch (error) {
        throw new Error(error);
    }
}