import smtplib
from email.mime.text import MIMEText
import os

SENDER_EMAIL = os.getenv("SENDER_EMAIL")
SENDER_PASSWORD = os.getenv("SENDER_PASSWORD")

def send_otp_email(receiver_email, otp):
    subject = "Your FitPlan AI OTP Code"
    body = f"""
    Hello,

    Your OTP for FitPlan AI login is: {otp}

    This OTP is valid for 5 minutes.

    Thank you.
    """

    msg = MIMEText(body)
    msg["Subject"] = subject
    msg["From"] = SENDER_EMAIL
    msg["To"] = receiver_email

    with smtplib.SMTP("smtp.gmail.com", 587) as server:
        server.starttls()
        server.login(SENDER_EMAIL, SENDER_PASSWORD)
        server.send_message(msg)