let recaptchaVerifier;
function sendOTP() {
const phone = document.getElementById("phone").value.trim();
const status = document.getElementById("status");
if (!phone.startsWith("+")) {
status.textContent = "Please include country code. Example: +91 9876543210";
return;
}
if (!recaptchaVerifier) {
recaptchaVerifier = new firebase.auth.RecaptchaVerifier('recaptcha-container', { size: 'invisible' });
recaptchaVerifier.render();
}
firebase.auth().signInWithPhoneNumber(phone, recaptchaVerifier)
.then((confirmationResult) => {
window.confirmationResult = confirmationResult;
document.getElementById("otp-section").style.display = "block";
status.textContent = "OTP sent. Please check your SMS.";
})
.catch((error) => {
status.textContent = "Error: " + error.message;
});
}
function verifyOTP() {
const code = document.getElementById("otp").value.trim();
const status = document.getElementById("status");
if (!window.confirmationResult) {
status.textContent = "Please send OTP first.";
return;
}
window.confirmationResult.confirm(code)
.then((result) => {
status.textContent = "Login successful!";
})
.catch((error) => {
status.textContent = "Invalid OTP. Try again.";
});
}
