sinProject-Inc/talk

import { GMAIL_USER } from '$env/static/private'
import { GMAIL_PASS } from '$env/static/private'
import * as nodemailer from 'nodemailer'
import type SMTPTransport from 'nodemailer/lib/smtp-transport'
import { Email } from './email'
import type { MailSubject } from './mail_subject'
import type { PinCode } from './pin_code'
import { App } from '$lib/app/app'

export class PinCodeMailer {
    private readonly _transporter = nodemailer.createTransport({
        service: 'gmail',
        port: 465,
        secure: true,
        auth: {
            user: GMAIL_USER,
            pass: GMAIL_PASS,
        },
    })

    private readonly _from_email = new Email(GMAIL_USER)

    public constructor(
        private readonly _to_email: Email,
        private readonly _mail_subject: MailSubject,
        private readonly _pin_code: PinCode
    ) {}

    private get _from(): string {
        return `${App.app_name} <${this._from_email.address}>`
    }

    public async send(): Promise<SMTPTransport.SentMessageInfo> {
        const html = this._pin_code.get_html()

        return await this._transporter.sendMail({
            from: this._from,
            to: this._to_email.address,
            subject: this._mail_subject.subject,
            html,
        })
    }
}