# app.py (Updated Version)
def multilingual_chatbot(user_input):
    try:
        # Detect input language
        lang = detect(user_input)
        
        # Step 1: Symptom extraction with homeopathy focus
        symptom_prompt = f"""Extract ONLY homeopathic-relevant symptoms from this text as English comma-separated list:
        {user_input}
        Example Output: stinging pain, anxiety worse evenings, thirstlessness"""
        
        symptom_response = client.chat.completions.create(
            messages=[{"role": "user", "content": symptom_prompt}],
            model="llama3-70b-8192",
            temperature=0.1
        )
        symptoms = symptom_response.choices[0].message.content.split(", ")
        
        # Step 2: Focused homeopathic web search
        search_query = (
            f"homeopathic remedy for {' '.join(symptoms)} "
            f"(site:.edu OR site:.gov) "
            f"-allopathic -conventional -pharmaceutical"
        )
        results = google_search(search_query)
        
        # Filter homeopathic-specific results
        homeo_keywords = ['homeopath', 'remedy', 'potency', 'materia medica']
        filtered_results = [
            r for r in results
            if any(kw in r['snippet'].lower() for kw in homeo_keywords)
        ]
        
        # Step 3: Generate strict homeopathic response
        response_prompt = f"""You are a homeopathic doctor. Recommend ONLY homeopathic medicines in {lang} for these symptoms: {', '.join(symptoms)}.
        Use this research data: {[r['snippet'] for r in filtered_results]}
        Include:
        - Medicine name in English
        - Potency (like 30C, 200CK)
        - Administration method
        - Key symptoms it addresses
        - Source reference"""
        
        final_response = client.chat.completions.create(
            messages=[{"role": "user", "content": response_prompt}],
            model="llama3-70b-8192",
            temperature=0.3
        )
        
        return final_response.choices[0].message.content
        
    except Exception as e:
        return f"Error: {str(e)}"