38960-vm/assets/js/main.js
2026-03-22 04:29:56 +00:00

70 lines
2.7 KiB
JavaScript

document.addEventListener('DOMContentLoaded', () => {
// --- Chat Widget Logic ---
const chatForm = document.getElementById('chat-form');
const chatInput = document.getElementById('chat-input');
const chatMessages = document.getElementById('chat-messages');
if (chatForm && chatInput && chatMessages) {
const appendMessage = (text, sender) => {
const msgDiv = document.createElement('div');
msgDiv.classList.add('message', sender);
msgDiv.textContent = text;
chatMessages.appendChild(msgDiv);
chatMessages.scrollTop = chatMessages.scrollHeight;
};
chatForm.addEventListener('submit', async (e) => {
e.preventDefault();
const message = chatInput.value.trim();
if (!message) return;
appendMessage(message, 'visitor');
chatInput.value = '';
try {
const response = await fetch('api/chat.php', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ message })
});
const data = await response.json();
// Artificial delay for realism
setTimeout(() => {
appendMessage(data.reply, 'bot');
}, 500);
} catch (error) {
console.error('Error:', error);
appendMessage("Sorry, something went wrong. Please try again.", 'bot');
}
});
}
// --- Patient Form: Auto-calculate DOB from Age ---
function calculateDobFromAge(ageInputId, dobInputId) {
const ageInput = document.getElementById(ageInputId);
const dobInput = document.getElementById(dobInputId);
if (ageInput && dobInput) {
ageInput.addEventListener('input', function() {
const age = parseInt(this.value);
if (!isNaN(age) && age >= 0) {
const currentYear = new Date().getFullYear();
const birthYear = currentYear - age;
// Default to Jan 1st of the birth year
const dob = `${birthYear}-01-01`;
dobInput.value = dob;
// Trigger change event if needed (e.g. for validation or other listeners)
dobInput.dispatchEvent(new Event('change'));
dobInput.dispatchEvent(new Event('input'));
} else {
dobInput.value = '';
}
});
}
}
calculateDobFromAge('add_patient_age', 'add_patient_dob');
calculateDobFromAge('edit_patient_age', 'edit_patient_dob');
});