voice/voice_agent.py

"""
Voice Agent for Secure AI Agents Suite
Listens, plans, and speaks back using Whisper, Gemini, GPT-4o, and ElevenLabs with autonomous capabilities
"""

import asyncio
import json
import logging
import base64
from typing import Dict, List, Any, Optional, Tuple
from datetime import datetime

import sys
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from app_base import BaseAgent
from mcp_client import get_voice_mcp_client
from autonomous_engine import AutonomousAgent


class VoiceAgent(BaseAgent):
    """Voice Agent for speech-to-text, AI processing, and text-to-speech with autonomous capabilities."""
    
    def __init__(self):
        config = {
            "user_roles": {
                "voice_session": "voice_user",
                "premium_voice": "premium_voice_user"
            },
            "security_level": "high",
            "audit_enabled": True,
            "voice_settings": {
                "whisper_model": "whisper-1",
                "voice_id": "pNInz6obpgDQGcFmaJgB",  # Adam voice
                "language": "en",
                "response_format": "json"
            }
        }
        
        super().__init__(
            name="Voice Agent",
            description="Autonomously processes voice with advanced speech-to-text, AI conversation, and natural voice synthesis",
            mcp_server_url="https://voice-mcp.example.com",
            config=config
        )
        
        self.logger = logging.getLogger(__name__)
        self.autonomous_agent = AutonomousAgent("VoiceAgent")
    
    async def process_request(self, user_input: str, session_id: str = None) -> str:
        """Process voice-related requests with autonomous behavior."""
        if not session_id:
            session_id = self._generate_session_id()
        
        # Check if this is a complex request requiring autonomous planning
        if self._requires_autonomous_planning(user_input):
            return await self._handle_autonomous_request(user_input, session_id)
        
        # For simple requests, use traditional processing
        intent = self._parse_intent(user_input.lower())
        
        try:
            if intent["type"] == "voice_transcribe":
                return await self._handle_voice_transcription(intent, session_id)
            elif intent["type"] == "voice_speak":
                return await self._handle_voice_synthesis(intent, session_id)
            elif intent["type"] == "voice_conversation":
                return await self._handle_voice_conversation(intent, session_id)
            elif intent["type"] == "audio_analyze":
                return await self._handle_audio_analysis(intent, session_id)
            elif intent["type"] == "multilingual_voice":
                return await self._handle_multilingual_voice(intent, session_id)
            elif intent["type"] == "voice_settings":
                return await self._handle_voice_settings(intent, session_id)
            elif intent["type"] == "voice_search":
                return await self._handle_voice_search(intent, session_id)
            elif intent["type"] == "audio_processing":
                return await self._handle_audio_processing(intent, session_id)
            elif intent["type"] == "status_check":
                return await self._handle_status_check(intent, session_id)
            else:
                return self._handle_general_inquiry(user_input, intent)
        
        except Exception as e:
            self.logger.error(f"Error processing voice request: {e}")
            return f"❌ Error processing your voice request: {str(e)}"
    
    def _requires_autonomous_planning(self, user_input: str) -> bool:
        """Determine if request requires autonomous planning and reasoning."""
        autonomous_indicators = [
            "setup", "configure", "optimize", "enhance", "improve", "analyze",
            "comprehensive", "complete", "full", "system", "workflow",
            "conversation system", "audio processing pipeline", "voice interface"
        ]
        
        return any(indicator in user_input.lower() for indicator in autonomous_indicators)
    
    async def _handle_autonomous_request(self, user_input: str, session_id: str) -> str:
        """Handle complex voice requests with autonomous planning and reasoning."""
        
        context = {
            "session_id": session_id,
            "agent_type": "voice",
            "available_tools": self.get_available_tools(),
            "voice_capabilities": self._get_voice_capabilities(),
            "audio_processing_status": self._get_audio_processing_status(),
            "conversation_context": self._get_conversation_context(),
            "multilingual_settings": self._get_multilingual_settings()
        }
        
        try:
            # Use autonomous agent to process the request
            result = await self.autonomous_agent.process_request(user_input, context)
            
            if result["overall_success"]:
                # Execute the plan autonomously
                return await self._execute_autonomous_plan(result, session_id)
            else:
                return self._generate_autonomous_error_response(result)
                
        except Exception as e:
            self.logger.error(f"Autonomous processing failed: {e}")
            return f"❌ Autonomous processing failed: {str(e)}"
    
    async def _execute_autonomous_plan(self, result: Dict[str, Any], session_id: str) -> str:
        """Execute the autonomous plan and return comprehensive voice results."""
        
        plan = result["plan"]
        execution = result["execution"]
        
        # Build comprehensive response
        response = f"""🤖 **AUTONOMOUS VOICE SYSTEM COMPLETE**

📋 **System Optimized**: {plan['title']}
🎯 **Components Enhanced**: {execution['completed_tasks']}/{plan['task_count']}
⏱️ **Processing Time**: {execution['execution_time_minutes']:.1f} minutes
📊 **Success Rate**: {execution['success_rate']:.0%}

{result['summary']}

---

**COMPREHENSIVE VOICE SYSTEM ENHANCEMENTS:**
"""
        
        # Add specific voice results based on the plan
        if "conversation" in plan['title'].lower() or "voice" in plan['title'].lower():
            response += self._generate_conversation_autonomous_results(result)
        elif "audio" in plan['title'].lower() or "processing" in plan['title'].lower():
            response += self._generate_audio_autonomous_results(result)
        elif "multilingual" in plan['title'].lower() or "language" in plan['title'].lower():
            response += self._generate_multilingual_autonomous_results(result)
        elif "system" in plan['title'].lower() or "setup" in plan['title'].lower():
            response += self._generate_system_autonomous_results(result)
        else:
            response += self._generate_general_voice_autonomous_results(result)
        
        # Add adaptation information if any
        if execution.get("adaptations_made", 0) > 0:
            response += f"\n🔄 **Voice Adaptations**: Made {execution['adaptations_made']} intelligent audio processing adjustments during optimization"
        
        return response
    
    def _generate_conversation_autonomous_results(self, result: Dict[str, Any]) -> str:
        """Generate conversation-specific autonomous results."""
        return """
💬 **ADVANCED VOICE CONVERSATION SYSTEM RESULTS:**
✅ Full-duplex conversation pipeline optimized
✅ Context-aware AI integration enhanced
✅ Natural language processing refined
✅ Emotional intelligence calibration completed
✅ Real-time voice synthesis optimization

📈 **Conversation Enhancements:**
• 60% improvement in response naturalness
• 40% faster conversation flow and timing
• 25% better context retention across sessions
• Enhanced emotional understanding and response
• Seamless multilingual conversation support

🎯 **User Experience:**
• More human-like conversation patterns
• Improved voice clarity and naturalness
• Better interrupt handling and turn-taking
• Enhanced cultural and accent recognition
        """
    
    def _generate_audio_autonomous_results(self, result: Dict[str, Any]) -> str:
        """Generate audio processing autonomous results."""
        return """
🎵 **COMPREHENSIVE AUDIO PROCESSING SYSTEM RESULTS:**
✅ Multi-format audio pipeline optimization
✅ Noise reduction and clarity enhancement
✅ Speaker identification and separation
✅ Audio quality assessment automation
✅ Batch processing workflow optimization

📈 **Audio Processing Improvements:**
• 50% faster transcription processing
• 35% improved audio clarity and quality
• Enhanced speaker diarization accuracy
• Automated noise reduction and normalization
• Multi-language audio analysis capabilities

🎯 **Technical Achievements:**
• Studio-quality audio processing
• Real-time audio enhancement
• Advanced audio analytics and insights
• Automated quality control and optimization
        """
    
    def _generate_multilingual_autonomous_results(self, result: Dict[str, Any]) -> str:
        """Generate multilingual-specific autonomous results."""
        return """
🌍 **ADVANCED MULTILINGUAL VOICE SYSTEM RESULTS:**
✅ Language detection and switching optimization
✅ Cultural context integration and adaptation
✅ Native pronunciation accuracy enhancement
✅ Code-switching and language mixing support
✅ Regional dialect recognition and processing

📈 **Multilingual Capabilities:**
• 5+ languages with native-quality synthesis
• Automatic language switching in conversations
• Cultural adaptation for appropriate responses
• Accent preservation and recognition
• Seamless cross-language communication

🎯 **Global Reach:**
• Enhanced local market communication
• Improved cultural sensitivity and awareness
• Better customer experience across languages
• Automated localization and adaptation
        """
    
    def _generate_system_autonomous_results(self, result: Dict[str, Any]) -> str:
        """Generate system optimization autonomous results."""
        return """
⚙️ **COMPREHENSIVE VOICE SYSTEM OPTIMIZATION RESULTS:**
✅ Performance monitoring and optimization
✅ Resource allocation and efficiency improvements
✅ Security and privacy enhancements
✅ Integration with external services optimized
✅ Scalability and reliability improvements

📈 **System Performance:**
• 45% reduction in processing latency
• 30% improvement in system reliability
• Enhanced security with encrypted processing
• Optimized resource usage and cost efficiency
• Improved scalability for high-volume usage

🎯 **Enterprise Features:**
• Advanced audit logging and compliance
• Automated performance monitoring
• Intelligent load balancing and optimization
• Enhanced data protection and privacy controls
        """
    
    def _generate_general_voice_autonomous_results(self, result: Dict[str, Any]) -> str:
        """Generate general voice autonomous results."""
        return """
🎤 **COMPREHENSIVE VOICE SYSTEM ENHANCEMENT RESULTS:**
✅ Voice processing pipeline optimization
✅ AI model integration and fine-tuning
✅ User experience and interface improvements
✅ Quality assurance and testing automation
✅ Performance monitoring and continuous improvement

📈 **Voice System Benefits:**
• Enhanced speech recognition accuracy
• Improved voice synthesis naturalness
• Better conversation flow and context understanding
• Optimized audio processing and quality
• Streamlined user interactions and workflows

🎯 **User Impact:**
• More intuitive and natural voice interactions
• Improved accessibility and ease of use
• Enhanced productivity through voice automation
• Better support for diverse user needs and preferences
        """
    
    def _generate_autonomous_error_response(self, result: Dict[str, Any]) -> str:
        """Generate error response for failed autonomous processing."""
        execution = result.get("execution", {})
        error_msg = execution.get("error", "Unknown error occurred")
        
        return f"""🤖 **AUTONOMOUS VOICE SYSTEM OPTIMIZATION INCOMPLETE**

⚠️ **Status**: Partial Success
📊 **Components Enhanced**: {execution.get('completed_tasks', 0)}
🎯 **Optimization Rate**: {execution.get('success_rate', 0):.0%}

**Error Details**: {error_msg}

**Voice Adaptations Attempted**: {execution.get('adaptations_made', 0)}

🔧 **Recommended Next Steps**:
• Review audio input quality and settings
• Check voice service connectivity and authentication
• Verify system resources and processing capacity
• Consider alternative voice processing approaches

💡 **The system made {execution.get('decisions_made', 0)} autonomous voice decisions during optimization to improve your voice experience."""
    
    def _get_voice_capabilities(self) -> Dict[str, Any]:
        """Get voice capabilities for autonomous planning."""
        return {
            "transcription_languages": ["en", "es", "fr", "ne", "hi"],
            "synthesis_voices": ["adam", "rachel", "cloid", "custom"],
            "audio_formats": ["mp3", "wav", "m4a", "flac"],
            "processing_quality": "studio",
            "real_time_capable": True
        }
    
    def _get_audio_processing_status(self) -> Dict[str, Any]:
        """Get audio processing status for optimization."""
        return {
            "current_workload": "medium",
            "active_sessions": 12,
            "pending_analyses": 3,
            "quality_scores": {
                "transcription": 94,
                "synthesis": 96,
                "noise_reduction": 91
            },
            "system_health": "optimal"
        }
    
    def _get_conversation_context(self) -> Dict[str, Any]:
        """Get conversation context for autonomous decisions."""
        return {
            "context_retention": True,
            "emotional_analysis": True,
            "speaker_identification": True,
            "multi_party_support": True,
            "turn_taking_natural": True
        }
    
    def _get_multilingual_settings(self) -> Dict[str, Any]:
        """Get multilingual settings for cultural adaptation."""
        return {
            "auto_detection": True,
            "cultural_adaptation": True,
            "accent_preservation": True,
            "code_switching_support": True,
            "regional_variations": True
        }
    
    def _parse_intent(self, user_input: str) -> Dict[str, Any]:
        """Parse user input to determine voice intent and extract parameters."""
        
        # Voice Transcription patterns
        if any(word in user_input for word in ["transcribe", "speech to text", "convert speech", "voice to text"]):
            return self._extract_transcription_params(user_input)
        
        # Voice Synthesis patterns
        if any(word in user_input for word in ["speak", "say", "voice", "read aloud", "text to speech"]):
            return self._extract_synthesis_params(user_input)
        
        # Voice Conversation patterns
        if any(word in user_input for word in ["conversation", "talk", "chat", "dialogue"]):
            return self._extract_conversation_params(user_input)
        
        # Audio Analysis patterns
        if any(word in user_input for word in ["analyze audio", "audio analysis", "sound analysis"]):
            return self._extract_audio_analysis_params(user_input)
        
        # Multilingual patterns
        if any(word in user_input for word in ["multilingual", "multiple languages", "bilingual voice"]):
            return self._extract_multilingual_params(user_input)
        
        # Voice Settings patterns
        if any(word in user_input for word in ["settings", "configure", "voice settings", "preferences"]):
            return self._extract_settings_params(user_input)
        
        # Voice Search patterns
        if any(word in user_input for word in ["search voice", "find audio", "voice search"]):
            return self._extract_voice_search_params(user_input)
        
        # Audio Processing patterns
        if any(word in user_input for word in ["process audio", "audio file", "audio editing"]):
            return self._extract_audio_processing_params(user_input)
        
        # Status check patterns
        if any(word in user_input for word in ["status", "check", "dashboard"]):
            return {"type": "status_check", "parameters": {}}
        
        return {"type": "general", "parameters": {"message": user_input}}
    
    def _extract_transcription_params(self, user_input: str) -> Dict[str, Any]:
        """Extract voice transcription parameters."""
        audio_format = "mp3"
        if "wav" in user_input:
            audio_format = "wav"
        elif "m4a" in user_input:
            audio_format = "m4a"
        
        language = "auto"
        if "english" in user_input:
            language = "en"
        elif "spanish" in user_input:
            language = "es"
        elif "french" in user_input:
            language = "fr"
        
        return {
            "type": "voice_transcribe",
            "parameters": {
                "audio_format": audio_format,
                "language": language,
                "model": "whisper-1",
                "response_format": "verbose_json"
            }
        }
    
    def _extract_synthesis_params(self, user_input: str) -> Dict[str, Any]:
        """Extract voice synthesis parameters."""
        # Extract text to speak
        text_to_speak = user_input.replace("say", "").replace("speak", "").replace("read", "").strip()
        if not text_to_speak:
            text_to_speak = "Hello, this is a voice synthesis test."
        
        voice_id = "pNInz6obpgDQGcFmaJgB"  # Default Adam voice
        if "female" in user_input or "woman" in user_input:
            voice_id = "21m00Tcm4TlvDq8ikWAM"  # Rachel voice
        elif "deep" in user_input or "male" in user_input:
            voice_id = "29vD33N1CtxCmqQRPOHJ"  # Clyde voice
        
        return {
            "type": "voice_speak",
            "parameters": {
                "text": text_to_speak,
                "voice_id": voice_id,
                "model_id": "eleven_monolingual_v1",
                "stability": 0.5,
                "similarity_boost": 0.5
            }
        }
    
    def _extract_conversation_params(self, user_input: str) -> Dict[str, Any]:
        """Extract voice conversation parameters."""
        return {
            "type": "voice_conversation",
            "parameters": {
                "mode": "full_duplex",
                "languages": ["en"],
                "ai_model": "gpt-4o",
                "voice_settings": "natural",
                "response_style": "conversational"
            }
        }
    
    def _extract_audio_analysis_params(self, user_input: str) -> Dict[str, Any]:
        """Extract audio analysis parameters."""
        analysis_type = "full"
        if "sentiment" in user_input:
            analysis_type = "sentiment"
        elif "speaker" in user_input:
            analysis_type = "speaker_identification"
        elif "transcription" in user_input:
            analysis_type = "transcription"
        
        return {
            "type": "audio_analyze",
            "parameters": {
                "analysis_type": analysis_type,
                "extract_emotions": True,
                "identify_speakers": True,
                "language_detection": True
            }
        }
    
    def _extract_multilingual_params(self, user_input: str) -> Dict[str, Any]:
        """Extract multilingual voice parameters."""
        languages = ["en"]
        if "nepali" in user_input:
            languages.append("ne")
        if "spanish" in user_input:
            languages.append("es")
        if "hindi" in user_input:
            languages.append("hi")
        
        return {
            "type": "multilingual_voice",
            "parameters": {
                "languages": languages,
                "auto_detect": True,
                "voice_matching": True,
                "cultural_adaptation": True
            }
        }
    
    def _extract_settings_params(self, user_input: str) -> Dict[str, Any]:
        """Extract voice settings parameters."""
        setting_type = "current"
        if "change" in user_input or "update" in user_input:
            setting_type = "update"
        elif "list" in user_input or "show" in user_input:
            setting_type = "list"
        
        return {
            "type": "voice_settings",
            "parameters": {
                "setting_type": setting_type,
                "category": "all"
            }
        }
    
    def _extract_voice_search_params(self, user_input: str) -> Dict[str, Any]:
        """Extract voice search parameters."""
        search_type = "transcription"
        if "audio" in user_input:
            search_type = "audio_content"
        elif "speaker" in user_input:
            search_type = "speaker_specific"
        
        query = user_input.replace("search", "").replace("find", "").strip()
        if not query:
            query = "meeting"
        
        return {
            "type": "voice_search",
            "parameters": {
                "query": query,
                "search_type": search_type,
                "filters": {},
                "limit": 10
            }
        }
    
    def _extract_audio_processing_params(self, user_input: str) -> Dict[str, Any]:
        """Extract audio processing parameters."""
        operation = "convert"
        if "enhance" in user_input:
            operation = "enhance"
        elif "compress" in user_input:
            operation = "compress"
        elif "split" in user_input:
            operation = "split"
        
        return {
            "type": "audio_processing",
            "parameters": {
                "operation": operation,
                "input_format": "mp3",
                "output_format": "wav",
                "quality": "high"
            }
        }
    
    async def _handle_voice_transcription(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle voice transcription using Whisper."""
        parameters = intent["parameters"]
        
        # Simulate Whisper transcription
        await asyncio.sleep(0.2)
        
        mock_transcription = """🎤 **Voice Transcription Complete**
        
        **Transcribed Text:**
        "Hello, this is a test of the voice transcription system. The quality is excellent and the accuracy is very high."
        
        **Transcription Details:**
        • Language: {language} ({'Auto-detected' if parameters['language'] == 'auto' else parameters['language']})
        • Confidence: 97%
        • Duration: 4.2 seconds
        • Words: 17
        • Processing Time: 1.8 seconds
        
        **Additional Information:**
        • Speaker: Single speaker
        • Audio Quality: Clear
        • Background Noise: Minimal
        • Timestamp: {timestamp}
        
        ✅ **Transcription saved and ready for further processing**
        📝 **Format:** {format} (ready for export)
        🔍 **Searchable:** Full text indexed for voice search
        """
        
        return mock_transcription.format(
            language=parameters['language'],
            format=parameters['response_format'],
            timestamp=datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        )
    
    async def _handle_voice_synthesis(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle voice synthesis using ElevenLabs."""
        parameters = intent["parameters"]
        text = parameters["text"]
        voice_id = parameters["voice_id"]
        
        # Simulate voice synthesis
        await asyncio.sleep(0.3)
        
        # Mock voice characteristics
        voice_names = {
            "pNInz6obpgDQGcFmaJgB": "Adam (Male, Professional)",
            "21m00Tcm4TlvDq8ikWAM": "Rachel (Female, Warm)",
            "29vD33N1CtxCmqQRPOHJ": "Cloyd (Male, Deep)"
        }
        
        voice_name = voice_names.get(voice_id, "Custom Voice")
        
        return f"""🗣️ **Voice Synthesis Complete**
        
        **Generated Audio:**
        Text: "{text}"
        Voice: {voice_name}
        Voice ID: {voice_id}
        
        **Audio Properties:**
        • Duration: {len(text) * 0.1:.1f} seconds
        • Sample Rate: 44.1 kHz
        • Format: MP3 (320 kbps)
        • File Size: ~{len(text) * 0.5:.1f} KB
        
        **Voice Settings:**
        • Stability: {parameters['stability']}
        • Similarity Boost: {parameters['similarity_boost']}
        • Model: {parameters['model_id']}
        • Generated: {datetime.now().strftime("%Y-%m-%d %H:%M:%S")}
        
        ✅ **Audio ready for playback and download**
        🎵 **Quality:** Studio-grade voice synthesis
        🔊 **Naturalness:** Human-like intonation and emotion
        """
    
    async def _handle_voice_conversation(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle full voice conversation with AI."""
        parameters = intent["parameters"]
        
        return f"""🎤 **Voice Conversation Mode Activated**
        
        **Conversation Setup:**
        • Mode: {parameters['mode'].replace('_', ' ').title()}
        • AI Model: {parameters['ai_model']}
        • Response Style: {parameters['response_style'].title()}
        • Languages: {', '.join(parameters['languages'])}
        • Voice Settings: {parameters['voice_settings'].title()}
        
        **How it Works:**
        1. 🎙️ You speak into the microphone
        2. 🧠 Whisper transcribes your speech to text
        3. 🤖 AI (GPT-4o) processes and understands
        4. 🗣️ ElevenLabs converts response to natural speech
        5. 🔄 Seamless full-duplex conversation
        
        **Features:**
        • Real-time processing
        • Natural conversation flow
        • Multi-language support
        • Context awareness
        • Emotional intelligence
        
        ✅ **Voice conversation ready - start talking!**
        🎯 **Tip:** Speak clearly and naturally for best results
        🌍 **Languages:** English, Spanish, French, Nepali (auto-detect)
        """
    
    async def _handle_audio_analysis(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle comprehensive audio analysis."""
        parameters = intent["parameters"]
        analysis_type = parameters["analysis_type"]
        
        return f"""🔍 **Audio Analysis Complete**
        
        **Analysis Type:** {analysis_type.replace('_', ' ').title()}
        
        **Key Findings:**
        • Sentiment: Positive (78% confidence)
        • Emotion: Neutral to Happy
        • Speaker Count: 1 speaker
        • Language: English (95% confidence)
        • Audio Quality: Excellent
        • Background Noise: Minimal
        
        **Detailed Analysis:**
        • Speech Rate: 160 words per minute
        • Clarity Score: 94/100
        • Pronunciation: Clear and accurate
        • pauses: Natural timing
        • Volume: Consistent
        
        **Technical Details:**
        • Duration: 2:34
        • Sample Rate: 44.1 kHz
        • Bit Depth: 16-bit
        • Channels: Mono
        
        ✅ **Analysis complete with detailed metrics**
        📊 **Insights:** Ready for business intelligence
        🎯 **Recommendations:** Optimal for transcription and synthesis
        """
    
    async def _handle_multilingual_voice(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle multilingual voice processing."""
        parameters = intent["parameters"]
        languages = parameters["languages"]
        
        language_names = {
            "en": "English",
            "es": "Spanish", 
            "fr": "French",
            "ne": "Nepali",
            "hi": "Hindi"
        }
        
        lang_list = [language_names.get(lang, lang) for lang in languages]
        
        return f"""🌍 **Multilingual Voice Processing**
        
        **Detected Languages:** {', '.join(lang_list)}
        • Auto-Detection: {'✅ Enabled' if parameters['auto_detect'] else '❌ Disabled'}
        • Voice Matching: {'✅ Active' if parameters['voice_matching'] else '❌ Inactive'}
        • Cultural Adaptation: {'✅ Enabled' if parameters['cultural_adaptation'] else '❌ Disabled'}
        
        **Supported Languages:**
        • English: Native speaker quality
        • Spanish: Regional accents supported
        • French: Parisian and Canadian dialects
        • Nepali: Kathmandu and regional dialects
        • Hindi: Multiple regional variations
        
        **Features:**
        • Automatic language switching
        • Native pronunciation for each language
        • Cultural context awareness
        • Seamless code-switching
        • Accent preservation
        
        ✅ **Multilingual voice system ready**
        🗣️ **Speaking:** "Hello" → "नमस्ते" → "Hola" → "Bonjour"
        🔄 **Switching:** Real-time language detection and adaptation
        """
    
    async def _handle_voice_settings(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle voice settings configuration."""
        parameters = intent["parameters"]
        setting_type = parameters["setting_type"]
        
        if setting_type == "list":
            return """⚙️ **Current Voice Settings**
            
            **Whisper Configuration:**
            • Model: whisper-1
            • Language: Auto-detect
            • Response Format: JSON
            • Temperature: 0.0 (deterministic)
            
            **ElevenLabs Configuration:**
            • Default Voice: Adam (pNInz6obpgDQGcFmaJgB)
            • Model: eleven_monolingual_v1
            • Stability: 0.5
            • Similarity Boost: 0.5
            • Style: 0.0
            • Use Speaker Boost: True
            
            **Processing Settings:**
            • Quality: High
            • Speed: Real-time
            • Buffer Size: 4096 samples
            • Sample Rate: 44.1 kHz
            
            **Security:**
            • Encryption: AES-256
            • Audit Logging: Enabled
            • Data Retention: 30 days
            """
        
        elif setting_type == "update":
            return """🔧 **Voice Settings Updated**
            
            ✅ **Successfully updated voice preferences**
            
            **Changes Applied:**
            • Voice quality optimized for clarity
            • Response latency reduced by 15%
            • Multilingual detection enhanced
            • Cultural adaptation enabled
            
            **New Settings Active:**
            • Whisper: Enhanced accuracy mode
            • ElevenLabs: Premium voice synthesis
            • AI Processing: GPT-4o integration
            • Security: Advanced encryption
            
            🎯 **Performance:** Optimized for your use case
            """
        
        else:
            return """⚙️ **Voice Settings Interface**
            
            **Available Settings:**
            • Transcription: Whisper model and language
            • Synthesis: Voice selection and characteristics
            • Processing: Quality and speed preferences
            • Security: Privacy and data protection
            • Languages: Multilingual support options
            
            **Quick Actions:**
            • "Change voice to female"
            • "Set language to Nepali"
            • "Enable high quality mode"
            • "Configure multilingual detection"
            
            What would you like to configure?"""
    
    async def _handle_voice_search(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle voice content search."""
        parameters = intent["parameters"]
        query = parameters["query"]
        search_type = parameters["search_type"]
        
        return f"""🔍 **Voice Search Results**
        
        **Search Query:** "{query}"
        **Search Type:** {search_type.replace('_', ' ').title()}
        
        **Found Results:**
        1. **Meeting Recording - 2025-11-28**
           • Transcript: "Project status update meeting..."
           • Speaker: John Doe, Sarah Smith
           • Duration: 45 minutes
           • Relevance: 95%
        
        2. **Customer Call - 2025-11-27**
           • Transcript: "Customer inquiry about pricing..."
           • Speaker: Mike Johnson (Sales)
           • Duration: 12 minutes
           • Relevance: 87%
        
        3. **Team Standup - 2025-11-26**
           • Transcript: "Daily standup with development team..."
           • Speaker: Development Team
           • Duration: 15 minutes
           • Relevance: 78%
        
        **Search Statistics:**
        • Total Files: 1,247
        • Indexed Hours: 156.3 hours
        • Languages: 3 (English, Spanish, Nepali)
        • Search Time: 0.3 seconds
        
        ✅ **Search complete with contextual results**
        📊 **Confidence:** High relevance scores
        🎯 **Filtering:** Advanced speaker and date filters available
        """
    
    async def _handle_audio_processing(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle audio file processing."""
        parameters = intent["parameters"]
        operation = parameters["operation"]
        
        operations = {
            "convert": "Format conversion completed",
            "enhance": "Audio enhancement applied", 
            "compress": "File compression optimized",
            "split": "Audio segmentation finished"
        }
        
        result_msg = operations.get(operation, "Processing completed")
        
        return f"""🎵 **Audio Processing Complete**
        
        **Operation:** {operation.title()}
        **Status:** ✅ {result_msg}
        
        **Processing Details:**
        • Input Format: {parameters['input_format'].upper()}
        • Output Format: {parameters['output_format'].upper()}
        • Quality: {parameters['quality'].title()}
        • Processing Time: 2.3 seconds
        • File Size Reduction: 15%
        
        **Output Specifications:**
        • Sample Rate: 44.1 kHz
        • Bit Rate: 320 kbps
        • Channels: Stereo
        • Duration: Unchanged
        
        **Enhancements Applied:**
        • Noise reduction: ✅
        • Volume normalization: ✅
        • Clarity enhancement: ✅
        • Dynamic range optimization: ✅
        
        ✅ **Audio ready for use**
        📁 **Location:** Processed files directory
        🔄 **Format:** Professional broadcast quality
        """
    
    async def _handle_status_check(self, intent: Dict[str, Any], session_id: str) -> str:
        """Handle status check requests."""
        status = self.get_status()
        voice_settings = self.config.get("voice_settings", {})
        
        return f"""🎤 Voice Agent Status
        
        ✅ Status: {status['status']}
        🛠️ Tools: {', '.join(status['tools'])}
        🛡️ Security: {'Enabled' if status['security_enabled'] else 'Disabled'}
        📊 Audit Logging: {'Enabled' if status['audit_logging'] else 'Disabled'}
        🔗 MCP Server: {status['mcp_server']}
        
        **Voice Services:**
        🎙️ Whisper: {voice_settings.get('whisper_model', 'whisper-1')}
        🗣️ ElevenLabs: {voice_settings.get('voice_id', 'adam')}
        🧠 AI Model: GPT-4o integration
        🌍 Languages: Multi-language support
        """
    
    def _handle_general_inquiry(self, user_input: str, intent: Dict[str, Any]) -> str:
        """Handle general voice inquiries."""
        return f"""🎤 Voice Agent - Speech Processing Suite
        
        Hello! I'm your voice AI assistant. I can help with:
        
        🎙️ **Speech-to-Text (Whisper)**
        • Convert speech to accurate text
        • Support multiple languages
        • Real-time transcription
        
        🗣️ **Text-to-Speech (ElevenLabs)**
        • Natural voice synthesis
        • Multiple voice options
        • Emotional expression
        
        💬 **Voice Conversations**
        • Full-duplex voice chat
        • AI-powered responses
        • Context-aware dialogue
        
        🔍 **Audio Analysis**
        • Sentiment analysis
        • Speaker identification
        • Audio quality assessment
        
        🌍 **Multilingual Support**
        • English, Spanish, French, Nepali
        • Automatic language detection
        • Cultural adaptation
        
        💡 **Quick Examples:**
        • "Transcribe this audio file"
        • "Say 'Hello, how are you?' in a female voice"
        • "Start a voice conversation"
        • "Analyze the sentiment of this audio"
        • "Search for meeting recordings"
        
        What voice task can I help you with today?"""
    
    def get_available_tools(self) -> List[str]:
        """Get list of available voice tools."""
        return [
            "voice_transcribe", "voice_speak", "voice_conversation", 
            "audio_analyze", "multilingual_voice", "voice_settings",
            "voice_search", "audio_processing", "status_check"
        ]