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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Mini-Omni Chat Demo</title>
    <style>
        body {
            background-color: black;
            color: white;
            font-family: Arial, sans-serif;
        }
        #chat-container {
            height: 300px;
            overflow-y: auto;
            border: 1px solid #444;
            padding: 10px;
            margin-bottom: 10px;
        }
        #status-message {
            margin-bottom: 10px;
        }
        button {
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <div id="svg-container"></div>
    <div id="chat-container"></div>
    <div id="status-message">Current status: idle</div>
    <button id="start-button">Start</button>
    <button id="stop-button" disabled>Stop</button>
    <main>
        <p id="current-status">Current status: idle</p>
    </main>
</body>
<script>
  // Load the SVG
const svgContainer = document.getElementById('svg-container');
const svgContent = `
<svg width="800" height="600" viewBox="0 0 800 600" xmlns="http://www.w3.org/2000/svg">
  <ellipse id="left-eye" cx="340" cy="200" rx="20" ry="20" fill="white"/>
  <circle id="left-pupil" cx="340" cy="200" r="8" fill="black"/>
  <ellipse id="right-eye" cx="460" cy="200" rx="20" ry="20" fill="white"/>
  <circle id="right-pupil" cx="460" cy="200" r="8" fill="black"/>
  <path id="upper-lip" d="M 300 300 C 350 284, 450 284, 500 300" stroke="white" stroke-width="10" fill="none"/>
  <path id="lower-lip" d="M 300 300 C 350 316, 450 316, 500 300" stroke="white" stroke-width="10" fill="none"/>
</svg>`;
svgContainer.innerHTML = svgContent;

// Set up audio context
const audioContext = new (window.AudioContext || window.webkitAudioContext)();
const analyser = audioContext.createAnalyser();
analyser.fftSize = 256;

// Animation variables
let isAudioPlaying = false;
let lastBlinkTime = 0;
let eyeMovementOffset = { x: 0, y: 0 };

// Chat variables
let mediaRecorder;
let audioChunks = [];
let isRecording = false;
const API_URL = 'http://127.0.0.1:60808/chat';

// Idle eye animation function
function animateIdleEyes(timestamp) {
  const leftEye = document.getElementById('left-eye');
  const rightEye = document.getElementById('right-eye');
  const leftPupil = document.getElementById('left-pupil');
  const rightPupil = document.getElementById('right-pupil');
  const baseEyeX = { left: 340, right: 460 };
  const baseEyeY = 200;

  // Blink effect
  const blinkInterval = 4000 + Math.random() * 2000; // Random blink interval between 4-6 seconds
  if (timestamp - lastBlinkTime > blinkInterval) {
    leftEye.setAttribute('ry', '2');
    rightEye.setAttribute('ry', '2');
    leftPupil.setAttribute('ry', '0.8');
    rightPupil.setAttribute('ry', '0.8');
    setTimeout(() => {
      leftEye.setAttribute('ry', '20');
      rightEye.setAttribute('ry', '20');
      leftPupil.setAttribute('ry', '8');
      rightPupil.setAttribute('ry', '8');
    }, 150);
    lastBlinkTime = timestamp;
  }

  // Subtle eye movement
  const movementSpeed = 0.001;
  eyeMovementOffset.x = Math.sin(timestamp * movementSpeed) * 6;
  eyeMovementOffset.y = Math.cos(timestamp * movementSpeed * 1.3) * 1; // Reduced vertical movement

  leftEye.setAttribute('cx', baseEyeX.left + eyeMovementOffset.x);
  leftEye.setAttribute('cy', baseEyeY + eyeMovementOffset.y);
  rightEye.setAttribute('cx', baseEyeX.right + eyeMovementOffset.x);
  rightEye.setAttribute('cy', baseEyeY + eyeMovementOffset.y);
  leftPupil.setAttribute('cx', baseEyeX.left + eyeMovementOffset.x);
  leftPupil.setAttribute('cy', baseEyeY + eyeMovementOffset.y);
  rightPupil.setAttribute('cx', baseEyeX.right + eyeMovementOffset.x);
  rightPupil.setAttribute('cy', baseEyeY + eyeMovementOffset.y);
}

// Main animation function
function animate(timestamp) {
  if (isAudioPlaying) {
    const dataArray = new Uint8Array(analyser.frequencyBinCount);
    analyser.getByteFrequencyData(dataArray);

    // Calculate the average amplitude in the speech frequency range
    const speechRange = dataArray.slice(5, 80); // Adjust based on your needs
    const averageAmplitude = speechRange.reduce((a, b) => a + b) / speechRange.length;

    // Normalize the amplitude (0-1 range)
    const normalizedAmplitude = averageAmplitude / 255;

    // Animate mouth
    const upperLip = document.getElementById('upper-lip');
    const lowerLip = document.getElementById('lower-lip');
    const baseY = 300;
    const maxMovement = 60;
    const newUpperY = baseY - normalizedAmplitude * maxMovement;
    const newLowerY = baseY + normalizedAmplitude * maxMovement;

    // Adjust control points for more natural movement
    const upperControlY1 = newUpperY - 8;
    const upperControlY2 = newUpperY - 8;
    const lowerControlY1 = newLowerY + 8;
    const lowerControlY2 = newLowerY + 8;

    upperLip.setAttribute('d', `M 300 ${baseY} C 350 ${upperControlY1}, 450 ${upperControlY2}, 500 ${baseY}`);
    lowerLip.setAttribute('d', `M 300 ${baseY} C 350 ${lowerControlY1}, 450 ${lowerControlY2}, 500 ${baseY}`);

    // Animate eyes
    const leftEye = document.getElementById('left-eye');
    const rightEye = document.getElementById('right-eye');
    const leftPupil = document.getElementById('left-pupil');
    const rightPupil = document.getElementById('right-pupil');
    const baseEyeY = 200;
    const maxEyeMovement = 10;
    const newEyeY = baseEyeY - normalizedAmplitude * maxEyeMovement;

    leftEye.setAttribute('cy', newEyeY);
    rightEye.setAttribute('cy', newEyeY);
    leftPupil.setAttribute('cy', newEyeY);
    rightPupil.setAttribute('cy', newEyeY);
  } else {
    animateIdleEyes(timestamp);
  }

  requestAnimationFrame(animate);
}

// Start animation
animate();

// Chat functions
function startRecording() {
  navigator.mediaDevices.getUserMedia({ audio: true })
    .then(stream => {
      mediaRecorder = new MediaRecorder(stream);
      mediaRecorder.ondataavailable = event => {
        audioChunks.push(event.data);
      };
      mediaRecorder.onstop = sendAudioToServer;
      mediaRecorder.start();
      isRecording = true;
      updateStatus('Recording...');
      document.getElementById('start-button').disabled = true;
      document.getElementById('stop-button').disabled = false;
    })
    .catch(error => {
      console.error('Error accessing microphone:', error);
      updateStatus('Error: ' + error.message);
    });
}

function stopRecording() {
  if (mediaRecorder && isRecording) {
    mediaRecorder.stop();
    isRecording = false;
    updateStatus('Processing...');
    document.getElementById('start-button').disabled = false;
    document.getElementById('stop-button').disabled = true;
  }
}

function sendAudioToServer() {
  const audioBlob = new Blob(audioChunks, { type: 'audio/wav' });
  const reader = new FileReader();
  reader.readAsDataURL(audioBlob);
  reader.onloadend = function() {
    const base64Audio = reader.result.split(',')[1];
    fetch(API_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ audio: base64Audio }),
    })
    .then(response => response.blob())
    .then(blob => {
      const audioUrl = URL.createObjectURL(blob);
      playResponseAudio(audioUrl);
      updateChatHistory('User', 'Audio message sent');
      updateChatHistory('Assistant', 'Audio response received');
    })
    .catch(error => {
      console.error('Error:', error);
      updateStatus('Error: ' + error.message);
    });
  };
  audioChunks = [];
}

function playResponseAudio(audioUrl) {
  const audio = new Audio(audioUrl);
  audio.onloadedmetadata = () => {
    const source = audioContext.createMediaElementSource(audio);
    source.connect(analyser);
    analyser.connect(audioContext.destination);
  };
  audio.onplay = () => {
    isAudioPlaying = true;
    updateStatus('Playing response...');
  };
  audio.onended = () => {
    isAudioPlaying = false;
    updateStatus('Idle');
  };
  audio.play();
}

function updateChatHistory(role, message) {
  const chatContainer = document.getElementById('chat-container');
  const messageElement = document.createElement('p');
  messageElement.textContent = `${role}: ${message}`;
  chatContainer.appendChild(messageElement);
  chatContainer.scrollTop = chatContainer.scrollHeight;
}

function updateStatus(status) {
  document.getElementById('status-message').textContent = status;
  document.getElementById('current-status').textContent = 'Current status: ' + status;
}

// Event listeners
document.getElementById('start-button').addEventListener('click', startRecording);
document.getElementById('stop-button').addEventListener('click', stopRecording);

// Initialize
updateStatus('Idle');
</script>
</html>