{{define "content"}}
<style>
  #agent-chat {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
    max-height: 800px;
  }
  #agent-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1em 0;
    scroll-behavior: smooth;
  }
  .msg { padding: 0.7em 1em; border-radius: 8px; margin-bottom: 0.6em; line-height: 1.6; }
  .msg-user { background: #f0f4ff; border: 1px solid #d0d8f0; }
  .msg-user b { color: #336; }
  .msg-assistant { background: #fff; border: 1px solid #ddd; }
  .msg-assistant b { color: #333; }
  .msg-error { background: #fff5f5; border: 1px solid #e88; color: #a00; }
  .msg-thinking { background: #fafafa; border: 1px solid #e5e5e5; color: #888; font-style: italic; }
  .tool-call {
    background: #f8f9fa; border: 1px solid #e0e0e0; border-radius: 8px;
    margin-bottom: 0.6em; font-size: 0.93em; overflow: hidden;
  }
  .tool-header {
    padding: 0.5em 1em; cursor: pointer; display: flex; align-items: center;
    gap: 0.5em; user-select: none; font-weight: 600; color: #555;
  }
  .tool-header:hover { background: #f0f0f0; }
  .tool-header .arrow { transition: transform 0.2s; display: inline-block; }
  .tool-header .arrow.open { transform: rotate(90deg); }
  .tool-body { padding: 0 1em 0.8em 1em; display: none; }
  .tool-body.open { display: block; }
  .tool-body pre {
    background: #f5f5f5; padding: 0.6em; border-radius: 4px;
    overflow-x: auto; font-size: 0.9em; margin: 0.4em 0;
  }
  .tool-body .tool-label { font-weight: 600; color: #666; font-size: 0.85em; margin-top: 0.5em; }
  .tool-status { font-size: 0.8em; font-weight: normal; margin-left: auto; }
  .tool-status.ok { color: #2a2; }
  .tool-status.err { color: #c00; }
  #prompt-bar {
    display: flex; gap: 0.5em; align-items: center;
    padding: 0.8em 0 0 0; border-top: 1px solid #eee;
  }
  #prompt-bar input {
    flex: 1; margin-bottom: 0; padding: 0.6em 0.8em;
    border: 1px solid #ccc; border-radius: 6px; font-size: 1em;
  }
  #prompt-bar button { padding: 0.6em 1.5em; border-radius: 6px; font-size: 1em; white-space: nowrap; }
  #prompt-bar button:disabled { opacity: 0.5; cursor: not-allowed; }
  .tools-bar {
    display: flex; gap: 0.5em; align-items: center;
    padding: 0.5em 0; font-size: 0.85em; color: #888;
  }
  .tools-bar .tool-count { font-weight: 600; color: #555; }
  .settings-toggle {
    background: none; border: 1px solid #ddd; border-radius: 6px;
    padding: 0.3em 0.8em; font-size: 0.85em; cursor: pointer; color: #555;
  }
  .settings-toggle:hover { background: #f5f5f5; }
  #settings-panel {
    display: none; background: #fafafa; border: 1px solid #e5e5e5;
    border-radius: 8px; padding: 1em 1.2em; margin-bottom: 1em;
  }
  #settings-panel.open { display: block; }
  #settings-panel label { display: block; font-weight: 600; margin-top: 0.6em; font-size: 0.9em; }
  #settings-panel input, #settings-panel select {
    width: 100%; padding: 0.4em 0.6em; font-size: 0.9em;
    border: 1px solid #ddd; border-radius: 4px; margin-top: 0.2em;
  }
  #settings-panel .settings-row { display: flex; gap: 1em; }
  #settings-panel .settings-row > div { flex: 1; }
  .clear-btn {
    background: none; border: none; color: #999; cursor: pointer;
    font-size: 0.85em; padding: 0.3em 0.5em;
  }
  .clear-btn:hover { color: #c00; }
  .empty-state {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; height: 100%; color: #aaa; text-align: center;
  }
  .empty-state .icon { font-size: 3em; margin-bottom: 0.3em; }
  .empty-state p { margin: 0.3em 0; max-width: 400px; }
</style>

<div id="agent-chat">
  <div class="tools-bar">
    <span>Tools: <span class="tool-count" id="tool-count">...</span></span>
    <button class="settings-toggle" onclick="toggleSettings()">Settings</button>
    <button class="clear-btn" onclick="clearChat()">Clear chat</button>
  </div>

  <div id="settings-panel">
    <div class="settings-row">
      <div>
        <label>Provider</label>
        <select id="provider">
          <option value="openai">OpenAI</option>
          <option value="anthropic">Anthropic</option>
        </select>
      </div>
      <div>
        <label>Model (optional)</label>
        <input type="text" id="model-name" placeholder="e.g. gpt-4o, claude-sonnet-4-20250514">
      </div>
    </div>
    <label>API Key</label>
    <input type="password" id="api-key" placeholder="sk-... or API key">
    <label>Base URL (optional)</label>
    <input type="text" id="base-url" placeholder="Leave blank for default">
    <div style="margin-top:0.8em; display:flex; gap:0.5em; align-items:center;">
      <button onclick="saveSettings()" style="padding:0.4em 1em; font-size:0.9em;">Save</button>
      <span id="settings-status" style="color:#888; font-size:0.85em;"></span>
    </div>
  </div>

  <div id="agent-messages">
    <div class="empty-state" id="empty-state">
      <div class="icon">&#129302;</div>
      <p><b>Chat with your services</b></p>
      <p>Ask the agent to interact with your microservices. It will discover and call the right tools automatically.</p>
      <p id="empty-tools" style="font-size:0.85em; color:#bbb; margin-top:0.8em;"></p>
    </div>
  </div>

  <div id="prompt-bar">
    <input type="text" id="prompt-input" placeholder="Ask the agent to call your services..." autofocus>
    <button id="prompt-btn" onclick="sendPrompt()">Send</button>
  </div>
</div>

<script>
(function() {
  var tools = [];
  var toolCount = document.getElementById('tool-count');

  loadSettings();
  loadTools();

  function loadSettings() {
    fetch('/api/agent/settings')
      .then(function(r) { return r.json(); })
      .then(function(data) {
        if (data.provider) document.getElementById('provider').value = data.provider;
        if (data.api_key) document.getElementById('api-key').value = data.api_key;
        if (data.model) document.getElementById('model-name').value = data.model;
        if (data.base_url) document.getElementById('base-url').value = data.base_url;
        // Auto-show settings if no API key configured
        if (!data.api_key) {
          document.getElementById('settings-panel').classList.add('open');
        }
      })
      .catch(function() {
        document.getElementById('settings-panel').classList.add('open');
      });
  }

  window.toggleSettings = function() {
    document.getElementById('settings-panel').classList.toggle('open');
  };

  window.saveSettings = function() {
    var status = document.getElementById('settings-status');
    status.textContent = 'Saving...';
    fetch('/api/agent/settings', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: JSON.stringify({
        provider: document.getElementById('provider').value,
        api_key: document.getElementById('api-key').value,
        model: document.getElementById('model-name').value,
        base_url: document.getElementById('base-url').value
      })
    })
    .then(function(r) { return r.json(); })
    .then(function() {
      status.textContent = 'Saved';
      setTimeout(function() { status.textContent = ''; }, 2000);
    })
    .catch(function(err) { status.textContent = 'Error: ' + err; });
  };

  function loadTools() {
    fetch('/api/mcp/tools')
      .then(function(r) { return r.json(); })
      .then(function(data) {
        tools = data.tools || [];
        toolCount.textContent = tools.length;
        var emptyTools = document.getElementById('empty-tools');
        if (tools.length > 0) {
          var names = tools.slice(0, 5).map(function(t) { return t.name; });
          var suffix = tools.length > 5 ? ' and ' + (tools.length - 5) + ' more' : '';
          emptyTools.textContent = 'Available: ' + names.join(', ') + suffix;
        } else {
          emptyTools.textContent = 'No tools found. Start some services first.';
        }
      })
      .catch(function() {
        toolCount.textContent = '0';
      });
  }

  window.clearChat = function() {
    var container = document.getElementById('agent-messages');
    container.innerHTML = '';
    var emptyState = document.createElement('div');
    emptyState.className = 'empty-state';
    emptyState.id = 'empty-state';
    emptyState.innerHTML = '<div class="icon">&#129302;</div><p><b>Chat with your services</b></p><p>Ask the agent to interact with your microservices.</p>';
    container.appendChild(emptyState);
  };

  window.sendPrompt = function() {
    var input = document.getElementById('prompt-input');
    var text = input.value.trim();
    if (!text) return;
    input.value = '';

    // Remove empty state on first message
    var emptyState = document.getElementById('empty-state');
    if (emptyState) emptyState.remove();

    addMessage('user', escapeHtml(text));

    // Show thinking indicator
    var thinkingId = 'thinking-' + Date.now();
    addMessage('thinking', 'Agent is thinking...', thinkingId);

    var btn = document.getElementById('prompt-btn');
    btn.disabled = true;
    btn.textContent = 'Sending...';

    var startTime = Date.now();

    fetch('/api/agent/prompt', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: JSON.stringify({prompt: text})
    })
    .then(function(r) { return r.json(); })
    .then(function(data) {
      var elapsed = ((Date.now() - startTime) / 1000).toFixed(1);
      btn.disabled = false;
      btn.textContent = 'Send';
      input.focus();

      // Remove thinking indicator
      var thinking = document.getElementById(thinkingId);
      if (thinking) thinking.remove();

      if (data.error) {
        addMessage('error', escapeHtml(data.error));
        return;
      }
      if (data.reply) {
        addMessage('assistant', escapeHtml(data.reply));
      }
      if (data.tool_calls && data.tool_calls.length > 0) {
        for (var i = 0; i < data.tool_calls.length; i++) {
          var tc = data.tool_calls[i];
          addToolCall(tc, elapsed);
        }
      }
      if (data.answer) {
        addMessage('assistant', escapeHtml(data.answer));
      }
    })
    .catch(function(err) {
      btn.disabled = false;
      btn.textContent = 'Send';
      input.focus();
      var thinking = document.getElementById(thinkingId);
      if (thinking) thinking.remove();
      addMessage('error', 'Error: ' + escapeHtml(String(err)));
    });
  };

  function addToolCall(tc, elapsed) {
    var container = document.getElementById('agent-messages');
    var div = document.createElement('div');
    div.className = 'tool-call';

    var hasError = tc.result && tc.result.error;
    var statusClass = hasError ? 'err' : 'ok';
    var statusText = hasError ? 'error' : elapsed + 's';

    var inputJson = JSON.stringify(tc.input, null, 2);
    var resultJson = JSON.stringify(tc.result, null, 2);

    div.innerHTML =
      '<div class="tool-header" onclick="this.querySelector(\'.arrow\').classList.toggle(\'open\'); this.nextElementSibling.classList.toggle(\'open\');">' +
        '<span class="arrow">&#9654;</span> ' +
        '<code>' + escapeHtml(tc.tool) + '</code>' +
        '<span class="tool-status ' + statusClass + '">' + statusText + '</span>' +
      '</div>' +
      '<div class="tool-body">' +
        '<div class="tool-label">Input</div>' +
        '<pre>' + escapeHtml(inputJson) + '</pre>' +
        '<div class="tool-label">Result</div>' +
        '<pre>' + escapeHtml(resultJson) + '</pre>' +
      '</div>';

    container.appendChild(div);
    container.scrollTop = container.scrollHeight;
  }

  document.getElementById('prompt-input').addEventListener('keydown', function(e) {
    if (e.key === 'Enter') { e.preventDefault(); window.sendPrompt(); }
  });

  function addMessage(type, html, id) {
    var container = document.getElementById('agent-messages');
    var div = document.createElement('div');
    div.className = 'msg msg-' + type;
    if (id) div.id = id;
    if (type === 'user') {
      div.innerHTML = '<b>You</b><br>' + html;
    } else if (type === 'assistant' || type === 'answer') {
      div.innerHTML = '<b>Agent</b><br>' + html;
    } else if (type === 'thinking') {
      div.innerHTML = html;
    } else if (type === 'error') {
      div.innerHTML = html;
    }
    container.appendChild(div);
    container.scrollTop = container.scrollHeight;
  }

  function escapeHtml(str) {
    var d = document.createElement('div');
    d.textContent = str;
    return d.innerHTML;
  }
})();
</script>
{{end}}