import { fail } from '@sveltejs/kit';
const nodemailer = require("nodemailer");
import {
    BREVO_SMTP_HOST,
    BREVO_SMTP_PORT,
    BREVO_SMTP_LOGIN,
    BREVO_SMTP_PASSWORD,
    BREVO_SENDER_EMAIL,
    BREVO_SENDER_NAME
} from '$env/static/private';

export const actions = {
    default: async ({ request }) => {
        const formData = await request.formData();
        const to = formData.get('to');
        const subject = formData.get('subject');
        const htmlContent = formData.get('htmlContent');

        // 필수 필드 확인
        if (!to || !subject || !htmlContent) {
            return fail(400, {
                to: to?.toString(),
                subject: subject?.toString(),
                htmlContent: htmlContent?.toString(),
                error: '필수 필드가 누락되었습니다: to, subject, htmlContent'
            });
        }

        const transporter = nodemailer.createTransport({
            host: BREVO_SMTP_HOST,
            port: parseInt(BREVO_SMTP_PORT || '587', 10),
            secure: parseInt(BREVO_SMTP_PORT || '587', 10) === 465, // true for 465, false for other ports (587 uses STARTTLS)
            auth: {
                user: BREVO_SMTP_LOGIN,
                pass: BREVO_SMTP_PASSWORD,
            },
        });

        const mailOptions = {
            from: `"${BREVO_SENDER_NAME || 'Frovide'}" <${BREVO_SENDER_EMAIL}>`,
            to: to.toString(),
            subject: subject.toString(),
            html: htmlContent.toString(),
        };

        try {
            const info = await transporter.sendMail(mailOptions);
            console.log('이메일 발송 성공: ' + info.messageId);
            return { success: true, message: '이메일이 성공적으로 발송되었습니다.', messageId: info.messageId };
        } catch (error) {
            console.error('Nodemailer 이메일 발송 오류:', error);
            // @ts-ignore
            return fail(500, { error: '이메일 발송에 실패했습니다.', details: error.message, to: to.toString(), subject: subject.toString(), htmlContent: htmlContent.toString() });
        }
    }
};