import { SendEmailCommand, SESv2Client } from "@aws-sdk/client-sesv2";

import { AwsContext } from "../aws.ts";
import { Mail } from "../mail.ts";
import { MailDeliverer } from "../deliver.ts";

export class AwsMailDeliverer extends MailDeliverer {
  private _ses;

  constructor(readonly aws: AwsContext) {
    super("aws");

    const { region, credentials } = aws;

    this._ses = new SESv2Client({ region, credentials });
  }

  protected override async doDeliver(mail: Mail): Promise<void> {
    const sendCommand = new SendEmailCommand({
      Content: {
        Raw: { Data: mail.encodeUtf8() },
      },
    });

    const res = await this._ses.send(sendCommand);
    if (res.MessageId == null) {
      throw Error("No message id is returned from aws.");
    }
    mail.aws_message_id = res.MessageId;
  }
}