// AskOscar Herbal AI Script (Free Hugging Face API version)

const chatBox = document.getElementById("chat-box");
const userInput = document.getElementById("user-input");
const sendBtn = document.getElementById("send-btn");
const aboutBtn = document.getElementById("about-btn");

const MODEL_URL = "https://api-inference.huggingface.co/models/facebook/blenderbot-400M-distill";

function addMessage(sender, text) {
  const message = document.createElement("div");
  message.className = sender;
  message.innerText = text;
  chatBox.appendChild(message);
  chatBox.scrollTop = chatBox.scrollHeight;
}

sendBtn.addEventListener("click", () => {
  const userText = userInput.value.trim();
  if (!userText) return;

  addMessage("user", userText);
  userInput.value = "";

  addMessage("bot", "💭 Thinking...");

  fetch(MODEL_URL, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({
      inputs: `You are AskOscar Herbal AI. You only answer questions about herbs, natural healing, and plant medicine. Question: ${userText}`,
    }),
  })
    .then((res) => res.json())
    .then((data) => {
      const botResponse =
        data.generated_text ||
        "I'm not sure about that herb yet. Could you rephrase your question?";
      chatBox.lastChild.innerText = botResponse;
    })
    .catch(() => {
      chatBox.lastChild.innerText =
        "⚠️ Sorry, I couldn’t connect to the herbal knowledge base.";
    });
});

// About button
aboutBtn.addEventListener("click", () => {
  addMessage(
    "bot",
    "🌿 AskOscar.ai was founded by Oscar Teye — a visionary herbal researcher and natural health enthusiast dedicated to bringing nature's healing wisdom to everyone."
  );
});