{% extends "base.html" %}

{% block title %}Datasette agent{% endblock %}

{% block extra_head %}
<link type="text/css" rel="stylesheet" href="/-/static-plugins/datasette-agent/agent.css">
{% endblock %}

{% block content %}
<h1>Datasette agent</h1>

<form id="new-chat-form">
  <div class="agent-new-chat">
    <textarea id="new-message" placeholder="Ask a question about your data..." rows="3"></textarea>
    <button type="submit">Start chat</button>
  </div>
</form>

{% if conversations %}
<h2>Previous conversations</h2>
<ul class="agent-conversations">
  {% for conv in conversations %}
  <li>
    <a href="/-/agent/{{ conv.id }}">{{ conv.title or "Untitled conversation" }}</a>
    <span class="agent-timestamp">{{ conv.updated_at | agent_format_datetime }}</span>
  </li>
  {% endfor %}
</ul>
{% endif %}

<script>
document.getElementById("new-message").addEventListener("keydown", (e) => {
  if (e.key === "Enter" && (e.metaKey || e.ctrlKey)) {
    e.preventDefault();
    document.getElementById("new-chat-form").requestSubmit();
  }
});
document.getElementById("new-chat-form").addEventListener("submit", async (e) => {
  e.preventDefault();
  const message = document.getElementById("new-message").value.trim();
  if (!message) return;
  const btn = e.target.querySelector("button");
  btn.disabled = true;
  btn.textContent = "Starting...";
  try {
    const resp = await fetch("/-/agent/api/conversations", {
      method: "POST",
      headers: {"Content-Type": "application/json"},
      body: JSON.stringify({message}),
    });
    const data = await resp.json();
    // Store the initial message to send after redirect
    sessionStorage.setItem("agent_pending_message", message);
    window.location.href = "/-/agent/" + data.conversation_id;
  } catch (err) {
    btn.disabled = false;
    btn.textContent = "Start chat";
    alert("Error: " + err.message);
  }
});
</script>
{% endblock %}