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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>Voice Recorder Interface</title>
    <style>
        body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #121212;
            color: white;
        }

        .chart {
            width: 300px;
            height: 300px;
            margin-bottom: 20px;
        }

        .record-button {
            position: fixed;
            bottom: 30px;
            width: 80px;
            height: 80px;
            background-color: transparent;
            border-radius: 50%;
            border: 4px solid white;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
            transition: all 0.2s ease;
        }

        .record-icon {
            width: 60px;
            height: 60px;
            background-color: #d32f2f;
            border-radius: 50%;
            transition: all 0.2s ease;
        }

        .recording .record-icon {
            width: 40px;
            height: 40px;
            border-radius: 10%;
        }

        .result-button {
            margin-top: 20px;
            padding: 10px 20px;
            background-color: #4caf50;
            border: none;
            border-radius: 5px;
            color: white;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
        }

        .result-button:hover {
            background-color: #388e3c;
        }
    </style>
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body>
    <div class="chart">
        <canvas id="speechChart"></canvas>
    </div>
    <button class="record-button" id="recordButton" onclick="toggleRecording()">
        <div class="record-icon" id="recordIcon"></div>
    </button>
    <button class="result-button" onclick="showResults()">結果を表示</button>
    <script>
        
        let isRecording = false;

        function toggleRecording() {
            const recordButton = document.getElementById('recordButton');
            const recordIcon = document.getElementById('recordIcon');
            isRecording = !isRecording;

            if (isRecording) {
                recordButton.classList.add('recording');
            } else {
                recordButton.classList.remove('recording');
            }
        }

        function showResults() {
            window.location.href = 'feedback.html';
        }

        const ctx = document.getElementById('speechChart').getContext('2d');
        const chart = new Chart(ctx, {
            type: 'doughnut',
            data: {
                labels: ['自分', '他の人'],
                datasets: [{
                    data: [30, 70],
                    backgroundColor: ['#4caf50', '#757575'],
                }],
            },
            options: {
                responsive: true,
                plugins: {
                    legend: {
                        display: true,
                        position: 'bottom',
                        labels: {
                            color: 'white'
                        }
                    }
                }
            }
        });
    </script>

    <script>
        let mode = 'False';
        let mediaRecorder;
        let audioChunks = [];
        const startRecordingBtn = document.getElementById('recordButton');
        const sendToServerBtn = document.getElementById('result-button');
    
        // 音声録音の開始
        startRecordingBtn.addEventListener('click', async () => {
         if (mode){
            mediaRecorder.stop();
            startRecordingBtn.disabled = false;
            stopRecordingBtn.disabled = true;
            mode = 'False';
         }
          const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
          mediaRecorder = new MediaRecorder(stream);
          
          mediaRecorder.ondataavailable = event => {
            audioChunks.push(event.data);
          };
          
          mediaRecorder.onstop = () => {
            const audioBlob = new Blob(audioChunks, { type: 'audio/wav' });
            const reader = new FileReader();
            
            reader.onloadend = () => {
              const base64String = reader.result.split(',')[1]; // Base64エンコードされた音声データを取得
              sendToServerBtn.disabled = false;
              
              sendToServerBtn.addEventListener('click', () => {
                // 音声をバックエンドに送信
                fetch('/upload_audio', {
                  method: 'POST',
                  headers: {
                    'Content-Type': 'application/json',
                  },
                  body: JSON.stringify({
                    audio_data: base64String,
                  }),
                })
                .then(response => response.json())
                .then(data => {
                  alert('音声がバックエンドに送信されました。');
                })
                .catch(error => {
                  console.error('エラー:', error);
                });
              });
            };
    
            reader.readAsDataURL(audioBlob);
          };
    
          mediaRecorder.start();
          startRecordingBtn.disabled = true;
          stopRecordingBtn.disabled = false;
          mode = 'True';
        });
    
        // 音声録音の停止
        
      </script>
    
</body>
</html>