/**
 * VoiceAI: Transcribes and extracts medical insights from doctor-patient conversations.
 * Uses AI to filter out small talk and focus on health details.
 */

class VoiceAI {
    async extractInsights(transcript) {
        // In a real app, this would be a prompt to Gemini:
        // "Extract only medical advice, diagnosis, and next steps from this transcript. Ignore small talk."
        
        const smallTalkKeywords = ['weather', 'family', 'how are you', 'cricket', 'politics'];
        
        // Simulation of AI filtering
        const lines = transcript.split('. ');
        const medicalLines = lines.filter(line => {
            const isSmallTalk = smallTalkKeywords.some(kw => line.toLowerCase().includes(kw));
            return !isSmallTalk && line.length > 10;
        });

        const summary = medicalLines.join('. ') + '.';
        
        return {
            summary,
            whatsappMessage: `👨‍⚕️ *Doctor's Key Insights from Your Visit*\n\n${summary}\n\n_Stay healthy!_`
        };
    }

    getMockTranscript() {
        return "Hello Rahul, how is your family? The weather is very hot today. Regarding your cough, it seems like a viral infection. You should avoid cold drinks for 3 days. Also, did you watch the match yesterday? Take the paracetamol after meals. I'll see you in a week.";
    }
}

module.exports = new VoiceAI();