import nodemailer from "nodemailer";

//
// Create reusable transporter object
//
export const mailer = nodemailer.createTransport({
  host: "mail.crawlerx.co",           // your Hestia mail host
  port: 587,                           // STARTTLS
  secure: false,                       // must be false for 587
  auth: {
    user: "info@crawlerx.co",       // e.g. info@crawlerx.co
    pass: "CrawlerX@2025",       // mailbox password
  },
  name: "mail.crawlerx.co",            // explicitly set hostname
  tls: {
    rejectUnauthorized: false,         // allow self-signed certs
  },
  logger: true,                        // optional: logs connection steps
  debug: true,                         // optional: debug SMTP connection
});


//
// Send welcome / signup email
//
export async function sendSignupMail(toEmail) {
  try {
    await mailer.sendMail({
      from: `"CrawlerX" <${process.env.SMTP_USER}>`,
      to: toEmail,
      subject: "Welcome to CrawlerX",
      html: `
        <h2>Welcome!</h2>
        <p>Your signup was successful. You can now log in and start using the app.</p>
      `,
    });
    console.log(`✅ Signup email sent to ${toEmail}`);
  } catch (err) {
    console.error("❌ Error sending signup email:", err);
  }
}

//
// Send reset-password email with 4-digit code or token link
//
export async function sendResetPasswordMail(email, token) {
  try {
    const resetURL = `${process.env.FRONTEND_URL}/reset-password?email=${email}&token=${token}`;
    await mailer.sendMail({
      from: `"CrawlerX" <${process.env.SMTP_USER}>`,
      to: email,
      subject: "Reset your password",
      html: `
        <p>You requested a password reset.</p>
        <p>Click here to reset: <a href="${resetURL}">${resetURL}</a></p>
        <p>This link is valid for 1 hour.</p>
      `,
    });
    console.log(`✅ Reset password email sent to ${email}`);
  } catch (err) {
    console.error("❌ Error sending reset password email:", err);
  }
}


export const sendCakeOrderMail = async (toEmail, orderData) => {
  try {
    const transporter = nodemailer.createTransport({
      host: "mail.crawlerx.co",
      port: 587,
      secure: false, // use TLS? false for port 587
      auth: {
        user: "info@crawlerx.co",
        pass: "CrawlerX@2025",
      },
      tls: {
        rejectUnauthorized: false, // <--- allow self-signed certificate
      },
    });

    const orderItems = Object.entries(orderData)
      .map(([category, flavours]) => {
        const items = Object.entries(flavours)
          .map(([flavour, qty]) => `• ${flavour}: ${qty}`)
          .join("\n");
        return `${category}:\n${items}`;
      })
      .join("\n\n");

    const mailOptions = {
      from: `"Maison de Treats" <info@crawlerx.co>`,
      to: toEmail,
      subject: "🎉 Your Cake Order Confirmation",
      text: `Thank you for your order! Here are the details:\n\n${orderItems}`,
      html: `<h2>Thank you for your order!</h2>
             <p>Here are your cake order details:</p>
             <pre>${orderItems}</pre>`,
    };

    await transporter.sendMail(mailOptions);
    console.log("Cake order email sent to", toEmail);
  } catch (err) {
    console.error("Failed to send cake order email:", err);
  }
};