import { useState, useCallback } from 'react';

export const useAudioRecorder = () => {
    const [isRecording, setIsRecording] = useState(false);
    const [audioURL, setAudioURL] = useState<string | null>(null);
    const [mediaRecorder, setMediaRecorder] = useState<MediaRecorder | null>(null);
    const [audioChunks, setAudioChunks] = useState<Blob[]>([]);

    const startRecording = useCallback(async () => {
        try {
            const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
            const recorder = new MediaRecorder(stream);

            recorder.ondataavailable = (event) => {
                setAudioChunks(current => [...current, event.data]);
            };

            recorder.onstop = () => {
                const audioBlob = new Blob(audioChunks, { type: 'audio/wav' });
                const audioUrl = URL.createObjectURL(audioBlob);
                setAudioURL(audioUrl);
            };

            recorder.start();
            setMediaRecorder(recorder);
            setIsRecording(true);
        } catch (error) {
            console.error('Erreur lors de l\'accès au microphone:', error);
        }
    }, [audioChunks]);

    const stopRecording = useCallback(() => {
        if (mediaRecorder && isRecording) {
            mediaRecorder.stop();
            setIsRecording(false);
            mediaRecorder.stream.getTracks().forEach(track => track.stop());
        }
    }, [mediaRecorder, isRecording]);

    const playRecording = useCallback(() => {
        if (audioURL) {
            const audio = new Audio(audioURL);
            audio.play();
        }
    }, [audioURL]);

    return {
        isRecording,
        audioURL,
        startRecording,
        stopRecording,
        playRecording
    };
};