invisio v2.0

// function sendMessage() {
//     let userInput = document.getElementById("user-input").value;
//     if (userInput.trim() === "") return;

//     let chatBox = document.getElementById("chat-box");

//     // แสดงข้อความของผู้ใช้
//     chatBox.innerHTML += `<div><b>คุณ:</b> ${userInput}</div>`;

//     // ส่งข้อความไปที่ API
//     fetch("chat.php", {
//         method: "POST",
//         headers: { "Content-Type": "application/json" },
//         body: JSON.stringify({ message: userInput })
//     })
//     .then(response => response.json())
//     .then(data => {
//         chatBox.innerHTML += `<div><b>AI:</b> ${data.reply}</div>`;
//         chatBox.scrollTop = chatBox.scrollHeight;

//         aja
//     });

//     document.getElementById("user-input").value = "";
// }

function sendMessage() {
    let userInput = document.getElementById("user-input").value.trim();
    if (userInput === "") return;

let chatBox = document.getElementById("chat-box");
    let loading = document.getElementById("loading");

// แสดงข้อความของผู้ใช้ที่ป้อนเข้ามา
    chatBox.innerHTML += `<div class="text-end"><span class="user-message">${userInput}</span></div>`;
    chatBox.scrollTop = chatBox.scrollHeight;

document.getElementById("user-input").value = "";
    loading.style.display = "block"; // แสดง Loading

// ส่งข้อความไปที่ chat.php
    fetch("chat.php", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ message: userInput })
    })
    .then(response => response.json())
    .then(data => {
        loading.style.display = "none"; // ซ่อน Loading
        chatBox.innerHTML += `<div class="text-start"><span class="bot-message">${data.reply}</span></div>`;
        chatBox.scrollTop = chatBox.scrollHeight;
    })
    .catch(() => {
        loading.style.display = "none";
        chatBox.innerHTML += `<div class="text-start"><span class="bot-message">เกิดข้อผิดพลาด</span></div>`;
    });
}