let conversation = [
    { role: 'bot', message: "Hi there! I'm your assistant! How can I help you today?" }
];

function addMessage(role, message) {
    const chatMessages = document.getElementById('chatMessages');
    if (!chatMessages) {
        console.error('Chat messages container not found!');
        return;
    }
    const messageDiv = document.createElement('div');
    messageDiv.className = role === 'bot' ? 'bot-message' : 'user-message';
    messageDiv.textContent = message;
    chatMessages.appendChild(messageDiv);
    chatMessages.scrollTop = chatMessages.scrollHeight;
    console.log(`Added ${role} message: ${message}`);
}

function showFAQOptions() {
    const faqContainer = document.getElementById('faqList');
    faqContainer.style.display = 'block'; // Show the FAQ list once the greeting is sent
}

function handleFAQClick(faq) {
    let botResponse = '';

    // FAQ handling logic based on the clicked question
    if (faq === 'contact_support') {
        botResponse = "You can email us at support@company.com.";
    } else if (faq === 'business_hours') {
        botResponse = "We are open from 9 AM to 6 PM, Monday to Friday.";
    } else if (faq === 'reset_password') {
        botResponse = "Click on 'Forgot Password' on the login page.";
    } else if (faq === 'cancel_subscription') {
        botResponse = "You can cancel your subscription by visiting the 'Account Settings' page and selecting 'Cancel Subscription'.";
    } else if (faq === 'discounts') {
        botResponse = "We offer seasonal discounts and promotions. Keep an eye on our website or subscribe to our newsletter for updates.";
    }

    addMessage('bot', botResponse);
}

function sendMessage() {
    const userInput = document.getElementById('userInput');
    if (!userInput) {
        console.error('User input field not found!');
        return;
    }
    const message = userInput.value.trim();
    if (message) {
        addMessage('user', message);
        conversation.push({ role: 'user', message: message });
        userInput.value = '';
        setTimeout(() => handleResponse(message), 500);
    } else {
        console.warn('Empty message!');
    }
}

function handleResponse(userInput) {
    const lastMessage = conversation[conversation.length - 1].message.toLowerCase();
    let botResponse = '';

    // FAQ handling logic
    if (lastMessage.includes("how do i contact customer support")) {
        botResponse = "You can email us at support@company.com.";
    } else if (lastMessage.includes("what are your business hours")) {
        botResponse = "We are open from 9 AM to 6 PM, Monday to Friday.";
    } else if (lastMessage.includes("how do i reset my password")) {
        botResponse = "Click on 'Forgot Password' on the login page.";
    } else if (lastMessage.includes("how do i cancel my subscription")) {
        botResponse = "You can cancel your subscription by visiting the 'Account Settings' page and selecting 'Cancel Subscription'.";
    } else if (lastMessage.includes("are there any discounts available")) {
        botResponse = "We offer seasonal discounts and promotions. Keep an eye on our website or subscribe to our newsletter for updates.";
    } else {
        // Fallback for unrecognized input
        botResponse = "Sorry, I didn't understand that. Could you please clarify or ask a different question?";
    }

    addMessage('bot', botResponse);
}

document.getElementById('userInput').addEventListener('keypress', function(e) {
    if (e.key === 'Enter') {
        sendMessage();
    }
});

// Show FAQ options after the greeting message
window.onload = () => {
    addMessage('bot', "Hi there! I'm your assistant! How can I help you today?");
    showFAQOptions();
};

console.log('Script loaded successfully');