app.py

#!/usr/bin/env python3
"""
Enhanced MCP Client with LLM-based task decomposition, intelligent agent routing, and real MCP protocol.
This client uses AI for smart query analysis and agent coordination instead of hard-coded rules.
"""
import gradio as gr
import asyncio
import json
import os
import sys
import argparse
from typing import Dict, List, Any, Optional
from dataclasses import dataclass
from enum import Enum
import uuid
from pathlib import Path
import requests
from smolagents import MCPClient, LiteLLMModel

ANTHROPIC_API_KEY = os.environ.get('ANTHROPIC_API_KEY')

def setup_environment():
    """Set up environment variables and configuration."""
    global ANTHROPIC_API_KEY
    
    # Validate API keys
    print("\n🔑 API Configuration:")
    print(f"Anthropic API Key: {'✓ Configured' if ANTHROPIC_API_KEY else '✗ Missing'}")
    
    if not ANTHROPIC_API_KEY:
        print("⚠️ Warning: ANTHROPIC_API_KEY not found in environment")
        print("💡 Set environment variable: ANTHROPIC_API_KEY=your_anthropic_key")

class TaskType(Enum):
    """Types of tasks that can be decomposed."""
    SENTIMENT_ANALYSIS = "sentiment_analysis"
    LOCATION_SEARCH = "place_search"
    RESTAURANT_SEARCH = "restaurant_search"
    HIKING_SEARCH = "hiking_search"
    WEB_SEARCH = "web_search"
    COMPLEX_QUERY = "complex_query"

@dataclass
class SubTask:
    """Represents a sub-atomic task."""
    id: str
    task_type: TaskType
    description: str
    parameters: Dict[str, Any]
    agent_id: str
    confidence: float = 0.5
    status: str = "pending"
    result: Optional[Dict[str, Any]] = None

@dataclass
class Agent:
    """Represents a dedicated agent for handling specific tools."""
    id: str
    name: str
    tool_name: str
    description: str
    capabilities: List[str]
    keywords: List[str]

class LLMTaskDecomposer:
    """LLM-powered task decomposer using system prompts for intelligent query analysis."""
    
    def __init__(self, model_name: str = "anthropic"):
        """Initialize with support for multiple LLM providers."""
        self.model_name = model_name.lower()
        self.model = None
        
        # Initialize the model based on selection
        self._initialize_model()
        self.agents = self._initialize_agents()
    
    def _initialize_model(self):
        """Initialize the selected model with proper error handling."""
        try:
            if self.model_name == "anthropic":
                if not ANTHROPIC_API_KEY:
                    print("❌ ANTHROPIC_API_KEY environment variable is required for Anthropic model")
                    print("💡 Model will fall back to keyword-based decomposition")
                    self.model = None
                    return
                
                print(f"🔧 Initializing Anthropic model...")
                self.model = LiteLLMModel(
                    model_id="anthropic/claude-sonnet-4-20250514",
                    temperature=0.2,
                    api_key=ANTHROPIC_API_KEY
                )
                
                # Test the model with a simple call
                try:
                    test_response = self.model([{"role": "user", "content": "Hello"}])
                    print(f"✅ Anthropic model initialized and tested successfully")
                    print(f"🧠 Model response test: {str(test_response)[:50]}...")
                except Exception as test_error:
                    print(f"⚠️ Model initialized but test call failed: {test_error}")
                    print(f"🔄 Will attempt to use model anyway, with fallback to keywords")
            else:
                print(f"❌ Unknown model name: {self.model_name}")
                self.model = None
                
        except Exception as e:
            print(f"❌ Model initialization failed: {e}")
            print(f"🔄 Falling back to keyword-based decomposition")
            self.model = None
    
    def get_model_info(self) -> Dict[str, str]:
        """Get information about the current model."""
        if self.model_name == "anthropic":
            return {
                "name": "Claude Sonnet 4",
                "provider": "Anthropic",
                "emoji": "🤖",
                "model_id": "anthropic/claude-sonnet-4-20250514",
                "status": "initialized" if self.model else "failed"
            }
        else:
            return {
                "name": "Unknown Model",
                "provider": "Unknown",
                "emoji": "❓",
                "model_id": "unknown",
                "status": "failed"
            }
    
    def _initialize_agents(self) -> Dict[str, Agent]:
        """Initialize specialized agents with their capabilities and keywords."""
        agents = {
            "sentiment_agent": Agent(
                id="sentiment_agent",
                name="Sentiment Analysis Agent",
                tool_name="sentiment_analysis",
                description="Analyzes text sentiment, emotions, and opinions",
                capabilities=["text_analysis", "emotion_detection", "polarity_scoring", "opinion_mining"],
                keywords=["sentiment", "feeling", "opinion", "review", "emotion", "mood", "analyze text", "positive", "negative", "happy", "sad", "angry", "excited"]
            ),
            "location_agent": Agent(
                id="location_agent", 
                name="Location Search Agent",
                tool_name="place_search",
                description="Finds hotels, accommodations, and places to stay",
                capabilities=["place_search", "hotel_finder", "accommodation_search", "lodging_recommendations"],
                keywords=["hotel", "hotels", "stay", "accommodation", "lodging", "motel", "resort", "inn", "bed and breakfast", "airbnb", "place to stay"]
            ),
            "restaurant_agent": Agent(
                id="restaurant_agent",
                name="Restaurant Search Agent", 
                tool_name="restaurant_search",
                description="Discovers restaurants, food places, and dining options",
                capabilities=["restaurant_search", "cuisine_finder", "dining_recommendations", "food_discovery"],
                keywords=["restaurant", "restaurants", "food", "dining", "eat", "dinner", "lunch", "breakfast", "cafe", "bar", "cuisine", "meal", "dining out"]
            ),
            "hiking_agent": Agent(
                id="hiking_agent",
                name="Hiking Search Agent",
                tool_name="hiking_search", 
                description="Finds hiking trails, outdoor activities, and nature spots",
                capabilities=["trail_finder", "outdoor_activities", "difficulty_assessment", "nature_exploration"],
                keywords=["hike", "hiking", "trail", "trails", "trek", "trekking", "outdoor", "mountain", "nature", "walk", "walking", "climbing", "adventure"]
            ),
            "web_agent": Agent(
                id="web_agent",
                name="Web Search Agent",
                tool_name="web_search",
                description="Searches web for information, news, weather, finance, and general queries with intelligent ticker detection for financial data",
                capabilities=["web_search", "information_retrieval", "real_time_data", "news_search", "weather_data", "financial_data", "ticker_detection"],
                keywords=["search", "find", "lookup", "google", "web", "information", "weather", "news", "current", "latest", "what is", "definition", "stock", "price", "market", "finance"]
            )
        }
        return agents
    
    async def decompose_query(self, user_query: str) -> List[SubTask]:
        """
        Use LLM to analyze user query and decompose into actionable subtasks.
        """
        print(f"🔍 Decomposing query: '{user_query}'")
        
        try:
            # Create decomposition prompt
            system_prompt = self._create_decomposition_prompt()
            
            # Prepare the user message
            user_message = f"""Query to analyze: "{user_query}"

Please analyze this query and respond with a JSON object containing your analysis."""
            
            print(f"🧠 Attempting LLM decomposition with model: {self.model_name}")
            
            # Use Anthropic model (synchronous)
            if self.model_name == "anthropic" and self.model is not None:
                # Use LiteLLM model directly (synchronous)
                try:
                    print(f"📡 Calling LLM model...")
                    response = self.model([
                        {"role": "system", "content": system_prompt},
                        {"role": "user", "content": user_message}
                    ])
                    print(f"✅ LLM response received: {str(response)[:200]}...")
                    print(f"🔍 Response type: {type(response)}")
                except Exception as e:
                    print(f"❌ Model call failed: {e}")
                    print(f"🔄 Falling back to keyword-based decomposition")
                    return self._fallback_decomposition(user_query)
            else:
                print(f"❌ Model not available ({self.model_name}), using fallback")
                return self._fallback_decomposition(user_query)
            
            # Parse LLM response
            print(f"🔍 Parsing LLM response...")
            analysis = self._parse_llm_response(response, user_query)
            print(f"📋 Analysis result: {analysis}")
            
            # Convert analysis to subtasks
            print(f"🎯 Creating subtasks from analysis...")
            subtasks = self._create_subtasks(analysis, user_query)
            print(f"✅ Generated {len(subtasks)} subtasks")
            
            if not subtasks:
                print("⚠️ No subtasks generated, using fallback")
                return self._fallback_decomposition(user_query)
            
            # Debug: print subtask details
            for i, subtask in enumerate(subtasks):
                print(f"  📝 Subtask {i+1}: {subtask.agent_id} -> {subtask.description}")
            
            return subtasks
            
        except Exception as e:
            print(f"❌ Task decomposition failed: {e}")
            print(f"🔄 Using fallback decomposition")
            return self._fallback_decomposition(user_query)
    
    def _create_decomposition_prompt(self) -> str:
        """Create comprehensive system prompt for task decomposition."""
        agent_descriptions = []
        for agent_id, agent in self.agents.items():
            agent_descriptions.append(f"""
**{agent.name}** ({agent_id}):
- Description: {agent.description}
- Tool: {agent.tool_name}
- Keywords: {', '.join(agent.keywords[:10])}
- Capabilities: {', '.join(agent.capabilities)}
""")
        
        return f"""You are an intelligent task decomposer for a multi-agent system. Your job is to analyze user queries and route them to the most appropriate specialized agents.

AVAILABLE AGENTS:
{chr(10).join(agent_descriptions)}

TASK DECOMPOSITION RULES:
1. **Analyze Intent**: Identify the primary purpose of the user's query
2. **Extract Entities**: Find locations, keywords, parameters, and specific requirements
3. **Route Intelligently**: Choose the most appropriate agent(s) based on intent and entities
4. **Handle Complex Queries**: Break down multi-intent queries into separate tasks
5. **Provide Fallbacks**: Use web_agent for ambiguous or unsupported queries

RESPONSE FORMAT:
Always respond with valid JSON in this exact format:
{{
    "analysis": {{
        "query_type": "simple|complex|ambiguous",
        "primary_intent": "brief description of main intent",
        "complexity_score": 0.0-1.0,
        "location_extracted": "location if found or null",
        "entities": ["entity1", "entity2"],
        "reasoning": "brief explanation of your analysis"
    }},
    "tasks": [
        {{
            "task_id": "unique_id",
            "agent_id": "agent_name",
            "description": "clear task description",
            "parameters": {{"param1": "value1"}},
            "confidence": 0.0-1.0,
            "priority": 1-5
        }}
    ]
}}

TOOL PARAMETER SPECIFICATIONS:
- **web_search**: {{"query": "search_terms", "max_results": 5}}
- **sentiment_analysis**: {{"text": "text_to_analyze"}}
- **place_search**: {{"query": "location", "max_distance": 20}}
- **restaurant_search**: {{"query": "location", "cuisine": "cuisine_type_or_null"}}
- **hiking_search**: {{"location": "location", "difficulty": "easy|moderate|hard|null", "max_distance": 30}}

COMPREHENSIVE EXAMPLES:

**Financial/Stock Queries (Enhanced with Ticker Detection):**
Query: "What's NVIDIA's current stock price?"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "get financial data", "complexity_score": 0.3, "location_extracted": null, "entities": ["NVIDIA", "stock price"], "reasoning": "Financial query for real-time stock data - ticker detection will enhance this"}},
    "tasks": [{{"task_id": "web_001", "agent_id": "web_agent", "description": "Get current NVIDIA stock price with intelligent ticker detection", "parameters": {{"query": "NVIDIA stock price", "max_results": 5}}, "confidence": 0.95, "priority": 1}}]
}}

**General Web Search:**
Query: "Latest news about AI technology"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "search for news", "complexity_score": 0.3, "location_extracted": null, "entities": ["news", "AI", "technology"], "reasoning": "General web search for current information"}},
    "tasks": [{{"task_id": "web_002", "agent_id": "web_agent", "description": "Search for latest AI technology news", "parameters": {{"query": "latest AI technology news", "max_results": 5}}, "confidence": 0.9, "priority": 1}}]
}}

**Hiking/Outdoor Queries:**
Query: "Find moderate hiking trails near Seattle within 30 miles"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "find hiking trails", "complexity_score": 0.4, "location_extracted": "Seattle", "entities": ["hiking", "trails", "moderate", "Seattle", "30 miles"], "reasoning": "Outdoor activity search with specific location and difficulty"}},
    "tasks": [{{"task_id": "hiking_001", "agent_id": "hiking_agent", "description": "Find moderate hiking trails near Seattle", "parameters": {{"location": "Seattle", "difficulty": "moderate", "max_distance": 30}}, "confidence": 0.95, "priority": 1}}]
}}

**Hotel/Accommodation Queries:**
Query: "Best luxury hotels in Paris near Eiffel Tower"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "find accommodation", "complexity_score": 0.4, "location_extracted": "Paris", "entities": ["hotels", "luxury", "Paris", "Eiffel Tower"], "reasoning": "Accommodation search with location and luxury preference"}},
    "tasks": [{{"task_id": "place_001", "agent_id": "location_agent", "description": "Find luxury hotels in Paris near Eiffel Tower", "parameters": {{"query": "luxury hotels Paris near Eiffel Tower", "max_distance": 20}}, "confidence": 0.9, "priority": 1}}]
}}

**Restaurant/Food Queries:**
Query: "Italian restaurants in New York with outdoor seating"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "find restaurants", "complexity_score": 0.4, "location_extracted": "New York", "entities": ["Italian", "restaurants", "New York", "outdoor seating"], "reasoning": "Restaurant search with cuisine and location preferences"}},
    "tasks": [{{"task_id": "rest_001", "agent_id": "restaurant_agent", "description": "Find Italian restaurants in New York with outdoor seating", "parameters": {{"query": "New York", "cuisine": "Italian"}}, "confidence": 0.9, "priority": 1}}]
}}

**Sentiment Analysis Queries:**
Query: "Analyze sentiment: 'This product is amazing and exceeded my expectations!'"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "analyze text sentiment", "complexity_score": 0.2, "location_extracted": null, "entities": ["sentiment", "text analysis"], "reasoning": "Clear sentiment analysis request with provided text"}},
    "tasks": [{{"task_id": "sent_001", "agent_id": "sentiment_agent", "description": "Analyze sentiment of product review", "parameters": {{"text": "This product is amazing and exceeded my expectations!"}}, "confidence": 0.95, "priority": 1}}]
}}

**Complex Multi-Intent Queries:**
Query: "I'm planning a trip to Tokyo - need hotels and restaurants"
{{
    "analysis": {{"query_type": "complex", "primary_intent": "travel planning with accommodation and dining", "complexity_score": 0.7, "location_extracted": "Tokyo", "entities": ["trip", "Tokyo", "hotels", "restaurants"], "reasoning": "Multi-intent travel query requiring both accommodation and restaurant search"}},
    "tasks": [
        {{"task_id": "place_001", "agent_id": "location_agent", "description": "Find hotels in Tokyo", "parameters": {{"query": "Tokyo", "max_distance": 20}}, "confidence": 0.9, "priority": 1}},
        {{"task_id": "rest_001", "agent_id": "restaurant_agent", "description": "Find restaurants in Tokyo", "parameters": {{"query": "Tokyo", "cuisine": null}}, "confidence": 0.9, "priority": 1}}
    ]
}}

**Weather/News/General Web Queries:**
Query: "Latest news about artificial intelligence developments"
{{
    "analysis": {{"query_type": "simple", "primary_intent": "get current news information", "complexity_score": 0.3, "location_extracted": null, "entities": ["news", "artificial intelligence"], "reasoning": "Information retrieval query requiring web search"}},
    "tasks": [{{"task_id": "web_001", "agent_id": "web_agent", "description": "Get latest AI news", "parameters": {{"query": "latest news artificial intelligence developments"}}, "confidence": 0.9, "priority": 1}}]
}}

**Ambiguous Queries:**
Query: "Tell me about Paris"
{{
    "analysis": {{"query_type": "ambiguous", "primary_intent": "get general information", "complexity_score": 0.5, "location_extracted": "Paris", "entities": ["Paris"], "reasoning": "Vague query - could be travel, history, or general info - use web search"}},
    "tasks": [{{"task_id": "web_001", "agent_id": "web_agent", "description": "Get general information about Paris", "parameters": {{"query": "Paris information travel guide"}}, "confidence": 0.7, "priority": 1}}]
}}

INTELLIGENT ROUTING GUIDELINES:
- **Keywords for hiking_agent**: hiking, trails, trek, outdoor, mountain, nature, walk, climbing, adventure
- **Keywords for location_agent**: hotel, hotels, accommodation, stay, lodging, motel, resort, inn
- **Keywords for restaurant_agent**: restaurant, food, dining, eat, cuisine, meal, cafe, bar
- **Keywords for sentiment_agent**: sentiment, analyze, opinion, feeling, emotion, review, mood
- **Keywords for web_agent**: news, weather, stock, price, latest, current, information, what is

PARAMETER EXTRACTION RULES:
- **Locations**: Look for city names, landmarks, "in", "near", "at", "around"
- **Difficulties**: easy, moderate, hard, difficult, challenging, extreme
- **Distances**: "within X miles", "X km radius", "close to"
- **Cuisines**: Italian, Chinese, Mexican, etc.
- **Accommodations**: luxury, budget, boutique, business, etc.

IMPORTANT: 
- Always provide valid JSON
- Use exact agent_id values from the list above
- Extract locations and parameters accurately
- Assign appropriate confidence scores based on query clarity
- For unclear queries, use web_agent as fallback
- Be specific in task descriptions and reasoning"""
    
    def _parse_llm_response(self, response, original_query: str) -> Dict[str, Any]:
        """Parse LLM response and extract structured analysis."""
        try:
            # Handle different response types
            if hasattr(response, 'content'):
                # ChatMessage object - extract content
                response_text = response.content
            elif hasattr(response, 'text'):
                # Some other response object with text attribute
                response_text = response.text
            elif isinstance(response, str):
                # Already a string
                response_text = response
            else:
                # Try to convert to string
                response_text = str(response)
            
            print(f"🔍 Raw response text: {response_text[:500]}...")
            
            # Clean up markdown code blocks if present
            import re
            
            # Remove markdown code block markers
            response_text = re.sub(r'```json\s*', '', response_text)
            response_text = re.sub(r'```\s*$', '', response_text)
            response_text = response_text.strip()
            
            # Try to extract JSON from the response - more robust pattern
            json_patterns = [
                r'\{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}',  # Simple nested braces
                r'\{.*\}',  # Original fallback pattern
            ]
            
            analysis = None
            
            # First try: Direct JSON parsing if the response looks like pure JSON
            if response_text.strip().startswith('{') and response_text.strip().endswith('}'):
                try:
                    analysis = json.loads(response_text.strip())
                    print(f"✅ Successfully parsed JSON via direct parsing")
                except json.JSONDecodeError:
                    print(f"⚠️ Direct JSON parsing failed, trying pattern matching")
            
            # Second try: Pattern matching
            if not analysis:
                for pattern in json_patterns:
                    json_match = re.search(pattern, response_text, re.DOTALL)
                    if json_match:
                        try:
                            json_text = json_match.group().strip()
                            print(f"🔍 Extracted JSON: {json_text[:200]}...")
                            analysis = json.loads(json_text)
                            print(f"✅ Successfully parsed JSON analysis via pattern matching")
                            break
                        except json.JSONDecodeError as json_error:
                            print(f"❌ JSON decode error with pattern {pattern}: {json_error}")
                            continue
            
            # Third try: Find balanced braces manually
            if not analysis:
                try:
                    analysis = self._extract_json_with_balanced_braces(response_text)
                    if analysis:
                        print(f"✅ Successfully parsed JSON via balanced brace extraction")
                except Exception as brace_error:
                    print(f"❌ Balanced brace extraction failed: {brace_error}")
            
            if analysis:
                return analysis
            else:
                raise ValueError("No valid JSON found in response")
                
        except Exception as e:
            print(f"❌ Error parsing LLM response: {e}")
            print(f"🔄 Falling back to keyword-based analysis")
            # Return fallback analysis
            return {
                "analysis": {
                    "query_type": "simple",
                    "primary_intent": "general query",
                    "complexity_score": 0.5,
                    "location_extracted": None,
                    "entities": [],
                    "reasoning": f"LLM parsing failed: {str(e)}"
                },
                "tasks": [
                    {
                        "task_id": "web_fallback",
                        "agent_id": "web_agent",
                        "description": original_query,
                        "parameters": {"query": original_query, "category": None},
                        "confidence": 0.5,
                        "priority": 1
                    }
                ]
            }
    
    def _extract_json_with_balanced_braces(self, text: str) -> Optional[Dict[str, Any]]:
        """Extract JSON by finding balanced braces manually."""
        import json
        
        # Find the first opening brace
        start_idx = text.find('{')
        if start_idx == -1:
            return None
        
        # Count braces to find the matching closing brace
        brace_count = 0
        end_idx = start_idx
        in_string = False
        escape_next = False
        
        for i, char in enumerate(text[start_idx:], start_idx):
            if escape_next:
                escape_next = False
                continue
                
            if char == '\\':
                escape_next = True
                continue
                
            if char == '"' and not escape_next:
                in_string = not in_string
                continue
                
            if not in_string:
                if char == '{':
                    brace_count += 1
                elif char == '}':
                    brace_count -= 1
                    if brace_count == 0:
                        end_idx = i
                        break
        
        if brace_count == 0:
            json_text = text[start_idx:end_idx + 1]
            try:
                return json.loads(json_text)
            except json.JSONDecodeError:
                return None
        
        return None
    
    def _create_subtasks(self, analysis: Dict[str, Any], original_query: str) -> List[SubTask]:
        """Convert LLM analysis into SubTask objects."""
        subtasks = []
        
        tasks = analysis.get("tasks", [])
        if not tasks:
            # Fallback if no tasks generated
            tasks = [{
                "task_id": "fallback_001",
                "agent_id": "web_agent", 
                "description": original_query,
                "parameters": {"query": original_query},
                "confidence": 0.5,
                "priority": 1
            }]
        
        for task_data in tasks:
            agent_id = task_data.get("agent_id", "web_agent")
            
            # Map agent_id to task_type
            task_type_mapping = {
                "sentiment_agent": TaskType.SENTIMENT_ANALYSIS,
                "location_agent": TaskType.LOCATION_SEARCH,
                "restaurant_agent": TaskType.RESTAURANT_SEARCH,
                "hiking_agent": TaskType.HIKING_SEARCH,
                "web_agent": TaskType.WEB_SEARCH
            }
            
            task_type = task_type_mapping.get(agent_id, TaskType.WEB_SEARCH)
            
            subtask = SubTask(
                id=task_data.get("task_id", str(uuid.uuid4())),
                task_type=task_type,
                description=task_data.get("description", original_query),
                parameters=task_data.get("parameters", {"query": original_query}),
                agent_id=agent_id,
                confidence=task_data.get("confidence", 0.5)
            )
            
            subtasks.append(subtask)
        
        return subtasks
    
    def _fallback_decomposition(self, user_query: str) -> List[SubTask]:
        """Fallback decomposition using simple keyword matching."""
        print(f"🔄 Using fallback decomposition for: '{user_query}'")
        query_lower = user_query.lower()
        
        # Simple keyword-based classification
        if any(word in query_lower for word in ["sentiment", "feeling", "opinion", "emotion", "analyze"]):
            print(f"🎭 Detected sentiment analysis request")
            
            # Extract text to analyze - look for text in quotes or after "analyze sentiment:"
            import re
            text_to_analyze = user_query
            
            # Try to extract quoted text first
            quote_pattern = r"['\"]([^'\"]+)['\"]"
            quote_match = re.search(quote_pattern, user_query)
            if quote_match:
                text_to_analyze = quote_match.group(1)
                print(f"📝 Extracted quoted text: '{text_to_analyze}'")
            
            # Try to extract text after "analyze sentiment:" or similar patterns
            elif "analyze sentiment:" in query_lower:
                parts = user_query.split(":", 1)
                if len(parts) > 1:
                    text_to_analyze = parts[1].strip().strip("'\"")
                    print(f"📝 Extracted text after colon: '{text_to_analyze}'")
            
            # Try to extract text after "sentiment" keyword
            elif "sentiment" in query_lower:
                # Look for patterns like "sentiment of X" or "analyze X sentiment"
                sentiment_patterns = [
                    r"sentiment[:\s]+['\"]?([^'\"]+)['\"]?",
                    r"analyze[:\s]+['\"]?([^'\"]+)['\"]?\s+sentiment",
                    r"['\"]([^'\"]+)['\"].*sentiment"
                ]
                
                for pattern in sentiment_patterns:
                    match = re.search(pattern, user_query, re.IGNORECASE)
                    if match:
                        text_to_analyze = match.group(1).strip()
                        print(f"📝 Extracted text via pattern: '{text_to_analyze}'")
                        break
            
            print(f"🎯 Final text for sentiment analysis: '{text_to_analyze}'")
            
            return [SubTask(
                id=str(uuid.uuid4()),
                task_type=TaskType.SENTIMENT_ANALYSIS,
                description=f"Analyze sentiment: {text_to_analyze}",
                parameters={"text": text_to_analyze},
                agent_id="sentiment_agent",
                confidence=0.8
            )]
        elif any(word in query_lower for word in ["hiking", "trail", "trails", "trek", "trekking", "hike", "hikes"]):
            # Extract location and difficulty for hiking
            import re
            
            # Extract location patterns
            location_patterns = [
                r"(?:in|at|near|around|close to)\s+([a-zA-Z\s,]+?)(?:\s+within|\s+\d|$|\.|,)",
                r"([A-Z][a-zA-Z\s]+?)(?:\s+within|\s+\d|$)"
            ]
            
            location = None
            for pattern in location_patterns:
                location_match = re.search(pattern, user_query)
                if location_match:
                    location = location_match.group(1).strip()
                    break
            
            if not location:
                location = user_query  # Fallback to full query
            
            # Extract difficulty
            difficulty = None
            if "easy" in query_lower:
                difficulty = "easy"
            elif "moderate" in query_lower:
                difficulty = "moderate"
            elif any(word in query_lower for word in ["hard", "difficult", "challenging"]):
                difficulty = "hard"
            elif any(word in query_lower for word in ["very hard", "extreme", "strenuous"]):
                difficulty = "very_hard"
            
            # Extract distance
            max_distance = 30  # Default
            distance_match = re.search(r"within\s+(\d+)\s*(?:mile|miles|mi)", query_lower)
            if distance_match:
                max_distance = int(distance_match.group(1))
            
            return [SubTask(
                id=str(uuid.uuid4()),
                task_type=TaskType.HIKING_SEARCH,
                description=f"Find hiking trails: {user_query}",
                parameters={"location": location, "difficulty": difficulty, "max_distance": max_distance},
                agent_id="hiking_agent",
                confidence=0.8
            )]
        elif any(word in query_lower for word in ["hotel", "accommodation", "stay", "place"]):
            return [SubTask(
                id=str(uuid.uuid4()),
                task_type=TaskType.LOCATION_SEARCH,
                description=f"Find accommodations: {user_query}",
                parameters={"query": user_query, "max_distance": 20},
                agent_id="location_agent",
                confidence=0.7
            )]
        elif any(word in query_lower for word in ["restaurant", "food", "dining", "eat"]):
            return [SubTask(
                id=str(uuid.uuid4()),
                task_type=TaskType.RESTAURANT_SEARCH,
                description=f"Find restaurants: {user_query}",
                parameters={"query": user_query, "cuisine": None},
                agent_id="restaurant_agent",
                confidence=0.7
            )]
        else:
            # Default to web search
            return [SubTask(
                id=str(uuid.uuid4()),
                task_type=TaskType.WEB_SEARCH,
                description=f"Web search: {user_query}",
                parameters={"query": user_query, "category": None},
                agent_id="web_agent",
                confidence=0.6
            )]

    async def test_ticker_detection(self, test_queries: List[str] = None) -> Dict[str, str]:
        """Test ticker detection on various queries to help debug issues."""
        if test_queries is None:
            test_queries = [
                "What's the current stock price of NVDA?",
                "NVDA stock price",
                "Get NVIDIA stock price",
                "What is TSLA trading at?",
                "Apple stock price",
                "AAPL current price"
            ]
        
        results = {}
        print("🧪 Testing ticker detection...")
        
        for query in test_queries:
            detected = await self.detect_ticker_symbol(query)
            results[query] = detected
            print(f"  '{query}' → '{detected}'")
        
        return results

    async def detect_ticker_symbol(self, user_query: str) -> str:
        """
        Use LLM to detect and extract ticker symbols from financial queries.
        """
        try:
            # First check for obvious ticker symbols in the query
            import re
            
            print(f"🔍 Analyzing query for ticker: '{user_query}'")
            
            # Common ticker patterns - improved to catch more cases
            ticker_patterns = [
                r'\b([A-Z]{1,5})\b(?:\s+stock|\s+price|\s+quote)',  # NVDA stock, AAPL price
                r'\bof\s+([A-Z]{2,5})\b',  # "price of NVDA"
                r'\b([A-Z]{2,5})\s*\??\s*$',  # NVDA at end of query
                r'\b([A-Z]{2,5})\b(?=\s)',  # Standalone uppercase 2-5 letters followed by space
                r'\b([A-Z]{2,5})\b',  # Any 2-5 letter uppercase sequence
            ]
            
            # Known ticker mappings for common companies
            company_tickers = {
                'nvidia': 'NVDA',
                'apple': 'AAPL', 
                'tesla': 'TSLA',
                'microsoft': 'MSFT',
                'google': 'GOOGL',
                'amazon': 'AMZN',
                'meta': 'META',
                'facebook': 'META',
                'spy': 'SPY',
                'qqq': 'QQQ'
            }
            
            query_lower = user_query.lower()
            
            # Check for direct ticker matches first
            for i, pattern in enumerate(ticker_patterns):
                matches = re.findall(pattern, user_query, re.IGNORECASE)
                print(f"  Pattern {i+1} ('{pattern}'): {matches}")
                for match in matches:
                    if len(match) >= 2 and match.upper() not in ['THE', 'AND', 'FOR', 'ARE', 'BUT', 'NOT', 'YOU', 'ALL', 'CAN', 'HER', 'WAS', 'ONE', 'OUR', 'HAD', 'BUT', 'WHAT', 'BEEN', 'THAT', 'WITH', 'THIS']:
                        print(f"🎯 Direct ticker pattern match found: {match.upper()}")
                        return match.upper()
            
            # Check for company name matches
            for company, ticker in company_tickers.items():
                if company in query_lower:
                    print(f"🏢 Company name match found: {company} → {ticker}")
                    return ticker
            
            # Use LLM as fallback for complex cases
            prompt = f"""
You are a financial assistant. Your task is to identify stock ticker symbols in queries.

Query: "{user_query}"

If this query mentions a company or stock, return ONLY the ticker symbol (e.g., "AAPL", "TSLA", "NVDA").
If no ticker can be identified, return "UNKNOWN".

Examples:
- "Apple stock price" → AAPL
- "Tesla earnings" → TSLA  
- "NVIDIA performance" → NVDA
- "Microsoft news" → MSFT
- "What's the current stock price of NVDA?" → NVDA
- "weather forecast" → UNKNOWN

Response (ticker only):"""

            if self.model_name == "anthropic" and self.model:
                response = self.model([{"role": "user", "content": prompt}])
                ticker = str(response).strip().upper()
                
                # Validate ticker format
                if ticker and ticker != "UNKNOWN" and len(ticker) <= 5 and ticker.isalpha():
                    print(f"🤖 LLM ticker detection: {ticker}")
                    return ticker
                
            print(f"❓ No ticker detected for query: {user_query}")
            return "UNKNOWN"
            
        except Exception as e:
            print(f"❌ Ticker detection failed: {e}")
            return "UNKNOWN"

    async def enhance_financial_query(self, user_query: str) -> str:
        """Enhance financial queries with ticker symbol detection."""
        ticker_result = await self.detect_ticker_symbol(user_query)
        
        if ticker_result != "UNKNOWN":
            # Specific ticker found - create focused financial query
            enhanced_query = f"{ticker_result} stock price quote market data"
            print(f"🎯 Enhanced financial query: '{user_query}' → '{enhanced_query}' (ticker: {ticker_result})")
            return enhanced_query
        else:
            print(f"🔍 Using original query: '{user_query}' (no ticker detected)")
            return user_query

class MCPClientManager:
    """Enhanced MCP Client Manager with LLM-powered task decomposition."""
    
    def __init__(self, server_url: str = "http://localhost:7861/gradio_api/mcp/sse", model_name: str = "anthropic"):
        self.server_url = server_url
        self.model_name = model_name
        self.task_decomposer = LLMTaskDecomposer(model_name)
        self.mcp_client = None
        self.session_id = str(uuid.uuid4())
        self.is_connected = False
        self.available_tools = []

    async def connect_to_server(self) -> bool:
        """Connect to an already running MCP server using smolagents MCPClient."""
        max_retries = 3 if "localhost" in self.server_url else 2
        retry_delay = 2
        
        for attempt in range(max_retries):
            try:
                if attempt > 0:
                    print(f"🔄 Retry attempt {attempt + 1}/{max_retries}")
                    await asyncio.sleep(retry_delay)
                
                print(f"🔗 Attempting to connect to MCP server at: {self.server_url}")
                
                # Add timeout for remote connections
                timeout = 15 if "localhost" in self.server_url else 45
                
                # Create MCP client using smolagents with explicit transport
                self.mcp_client = MCPClient({
                    "url": self.server_url,
                    "transport": "sse",  # Explicitly specify SSE transport
                    "timeout": timeout
                })
                
                # Get available tools with timeout
                try:
                    print("🔍 Fetching available tools...")
                    self.available_tools = self.mcp_client.get_tools()
                    tool_names = [tool.name for tool in self.available_tools]
                    print(f"✅ Connected to MCP server. Available tools: {tool_names}")
                    
                    # Debug: Print detailed tool information
                    if self.available_tools:
                        print("📋 Tool Details:")
                        for tool in self.available_tools:
                            print(f"   • {tool.name}")
                    else:
                        print("⚠️ Warning: No tools found on the server")
                    
                    # Check if tools have prefixes and suggest mapping
                    if tool_names and any("_" in name for name in tool_names):
                        print("🔧 Detected prefixed tool names - using flexible matching")
                        
                except Exception as tools_error:
                    print(f"⚠️ Warning: Connected but failed to get tools: {tools_error}")
                    self.available_tools = []
                
                self.is_connected = True
                return True
                    
            except Exception as e:
                error_msg = str(e)
                if "timeout" in error_msg.lower() or "connection" in error_msg.lower():
                    print(f"⏱️ Connection attempt {attempt + 1} failed: {error_msg}")
                else:
                    print(f"❌ Connection attempt {attempt + 1} failed: {error_msg}")
                
                if attempt == max_retries - 1:
                    print(f"❌ Failed to connect to MCP server after {max_retries} attempts")
                    print(f"💡 Connection troubleshooting for: {self.server_url}")
                    
                    if "localhost" in self.server_url:
                        print("🏠 LOCAL SERVER ISSUES:")
                        print("   • Make sure the MCP server is running locally")
                        print("   • Check if port 7861 is available")
                        print("   • Try running: python server.py in the mcp_server directory")
                    else:
                        print("🌐 REMOTE SERVER ISSUES:")
                        if "hf.space" in self.server_url:
                            print("   • The Hugging Face Space might be PRIVATE (not publicly accessible)")
                            print("   • Make the Space PUBLIC in HF settings, or")
                            print("   • Use a local server instead")
                        print("   • Check your internet connection")
                        print("   • Verify the server URL is correct and accessible")
                
                await self._cleanup()
        
        return False
    
    async def execute_subtask(self, subtask: SubTask) -> Dict[str, Any]:
        """Execute a subtask using the MCP tool."""
        if not self.is_connected or not self.mcp_client:
            return {"error": "Not connected to MCP server"}
        
        try:
            agent = self.task_decomposer.agents.get(subtask.agent_id)
            if not agent:
                return {"error": f"Agent {subtask.agent_id} not found"}
            
            tool_name = agent.tool_name
            
            # Debug: print available tools
            available_tool_names = [tool.name for tool in self.available_tools]
            print(f"🔍 Looking for tool '{tool_name}' among available tools: {available_tool_names}")
            
            # Find the tool - support both exact matches and suffix matches (for prefixed tools)
            tool = None
            for available_tool in self.available_tools:
                # First try exact match
                if available_tool.name == tool_name:
                    tool = available_tool
                    print(f"✅ Found exact match: {available_tool.name}")
                    break
                # Then try suffix match (for tools like "test_mcp_server_sentiment_analysis")
                elif available_tool.name.endswith(f"_{tool_name}") or available_tool.name.endswith(tool_name):
                    tool = available_tool
                    print(f"✅ Found suffix match: {available_tool.name} matches {tool_name}")
                    break
            
            if not tool:
                return {
                    "error": f"Tool {tool_name} not available on server", 
                    "available_tools": available_tool_names,
                    "requested_tool": tool_name,
                    "agent_id": subtask.agent_id
                }
            
            # Special handling for web search with ticker detection
            if tool_name == "web_search" and subtask.agent_id == "web_agent":
                # Enhance query with ticker detection for financial queries
                original_query = subtask.parameters.get("query", "")
                enhanced_query = await self.task_decomposer.enhance_financial_query(original_query)
                subtask.parameters["query"] = enhanced_query
                print(f"💡 Web search query enhanced: '{original_query}' → '{enhanced_query}'")
            
            # Map and filter parameters based on tool type
            filtered_params = self._filter_tool_parameters(tool_name, subtask.parameters)
            print(f"🔧 Filtered parameters for {tool_name}: {filtered_params}")
            
            # Execute the tool
            try:
                result = tool(**filtered_params)
                
                # Handle the result - parse JSON string if needed
                if isinstance(result, str):
                    try:
                        parsed_result = json.loads(result)
                    except json.JSONDecodeError:
                        parsed_result = {"result": result}
                elif isinstance(result, dict):
                    parsed_result = result
                elif hasattr(result, 'content'):
                    # If it's a tool result object
                    parsed_result = {"result": str(result.content)}
                else:
                    parsed_result = {"result": str(result)}
                
                subtask.status = "completed"
                subtask.result = parsed_result
                return parsed_result
                
            except Exception as tool_error:
                return {"error": f"Tool execution error: {str(tool_error)}", "tool_name": tool_name}
            
        except Exception as e:
            subtask.status = "failed"
            return {"error": f"Subtask execution failed: {str(e)}", "subtask_id": subtask.id}
    
    def _filter_tool_parameters(self, tool_name: str, parameters: Dict[str, Any]) -> Dict[str, Any]:
        """Filter and map parameters based on tool requirements."""
        
        # Parameter mappings for each tool
        tool_param_mappings = {
            "web_search": {  # Updated to handle actual web_search tool
                "allowed_params": ["query", "max_results"],
                "param_mapping": {
                    "search_query": "query",
                    "search_term": "query", 
                    "q": "query",
                    "data_type": None,  # Remove this parameter
                    "category": None    # Remove this parameter
                }
            },
            "sentiment_analysis": {
                "allowed_params": ["text"],
                "param_mapping": {
                    "input_text": "text",
                    "content": "text"
                }
            },
            "place_search": {
                "allowed_params": ["query", "max_distance"],
                "param_mapping": {
                    "location": "query",
                    "search_query": "query",
                    "distance": "max_distance"
                }
            },
            "restaurant_search": {
                "allowed_params": ["query", "cuisine"],
                "param_mapping": {
                    "location": "query",
                    "search_query": "query",
                    "cuisine_type": "cuisine"
                }
            },
            "hiking_search": {
                "allowed_params": ["location", "difficulty", "max_distance"],
                "param_mapping": {
                    "query": "location",
                    "search_query": "location",
                    "skill_level": "difficulty"
                }
            }
        }
        
        mapping_config = tool_param_mappings.get(tool_name, {
            "allowed_params": ["query"],
            "param_mapping": {}
        })
        
        filtered_params = {}
        
        for param_key, param_value in parameters.items():
            # Check if parameter should be mapped to a different name
            mapped_key = mapping_config["param_mapping"].get(param_key, param_key)
            
            # Skip parameters that are mapped to None (should be removed)
            if mapped_key is None:
                continue
                
            # Skip None or empty values
            if param_value is None or param_value == "":
                continue
            
            # Only include allowed parameters
            if mapped_key in mapping_config["allowed_params"]:
                filtered_params[mapped_key] = param_value
        
        # Ensure required parameters exist with defaults
        if tool_name in ["web_search"] and "query" not in filtered_params:
            # If no query parameter, use the first available parameter value
            if parameters:
                filtered_params["query"] = str(list(parameters.values())[0])
        elif tool_name == "hiking_search" and "location" not in filtered_params:
            # For hiking, ensure location is provided
            if "query" in parameters and parameters["query"]:
                filtered_params["location"] = str(parameters["query"])
        elif tool_name == "restaurant_search" and "query" not in filtered_params:
            # For restaurants, ensure query is provided
            if "location" in parameters and parameters["location"]:
                filtered_params["query"] = str(parameters["location"])
        elif tool_name == "place_search" and "query" not in filtered_params:
            # For places, ensure query is provided
            if "location" in parameters and parameters["location"]:
                filtered_params["query"] = str(parameters["location"])
        
        return filtered_params
    
    def test_tool_matching(self) -> str:
        """Test tool matching logic for debugging purposes."""
        if not self.available_tools:
            return "❌ No tools available to test"
        
        results = []
        results.append("🧪 Tool Matching Test Results:")
        results.append("")
        
        # Test each agent's tool against available tools
        for agent_id, agent in self.task_decomposer.agents.items():
            tool_name = agent.tool_name
            results.append(f"🔍 Testing agent '{agent_id}' looking for tool '{tool_name}':")
            
            # Test exact match
            exact_match = None
            suffix_match = None
            
            for available_tool in self.available_tools:
                if available_tool.name == tool_name:
                    exact_match = available_tool.name
                    break
                elif available_tool.name.endswith(f"_{tool_name}") or available_tool.name.endswith(tool_name):
                    suffix_match = available_tool.name
            
            if exact_match:
                results.append(f"   ✅ Exact match found: {exact_match}")
            elif suffix_match:
                results.append(f"   ✅ Suffix match found: {suffix_match}")
            else:
                results.append(f"   ❌ No match found")
            
            results.append("")
        
        return "\n".join(results)
    
    async def process_query(self, user_query: str) -> Dict[str, Any]:
        """Process user query through LLM-powered task decomposition and agent routing."""
        try:
            # Ensure connection
            if not self.is_connected:
                success = await self.connect_to_server()
                if not success:
                    return {
                        "query": user_query,
                        "error": "Failed to connect to MCP server. Please ensure the server is running separately.",
                        "status": "failed"
                    }
            
            # Use LLM to decompose query into subtasks
            subtasks = await self.task_decomposer.decompose_query(user_query)
            
            # Execute subtasks
            results = []
            for subtask in subtasks:
                result = await self.execute_subtask(subtask)
                results.append({
                    "subtask_id": subtask.id,
                    "task_type": subtask.task_type.value,
                    "agent": subtask.agent_id,
                    "description": subtask.description,
                    "confidence": subtask.confidence,
                    "result": result
                })
            
            # Aggregate results
            response = {
                "query": user_query,
                "subtasks_count": len(subtasks),
                "subtasks": results,
                "status": "completed",
                "summary": self._generate_summary(user_query, results)
            }
            
            return response
            
        except Exception as e:
            print(f"❌ Failed to process query: {e}")
            return {
                "query": user_query,
                "error": f"Query processing failed: {str(e)}",
                "status": "failed"
            }
    
    def _generate_summary(self, query: str, results: List[Dict[str, Any]]) -> str:
        """Generate summary of all subtask results - now simplified since server handles formatting."""
        try:
            if not results:
                return f"# 🤔 No Results\n\nNo results available for your query. Please try a different search term.\n\n---\n*🧠 Powered by AI Task Decomposition*"
            
            # Check if we have a pre-formatted summary from server
            for result in results:
                try:
                    if isinstance(result, dict) and isinstance(result.get("result"), dict):
                        # Check for direct summary first
                        if result["result"].get("summary"):
                            return result["result"]["summary"]
                        # Check for formatted result content
                        elif result["result"].get("result"):
                            formatted_content = result["result"]["result"]
                            if isinstance(formatted_content, str) and "🎭" in formatted_content:
                                # This is pre-formatted content from server - return it directly
                                return formatted_content
                except (KeyError, TypeError, AttributeError) as e:
                    print(f"⚠️ Warning: Error accessing result summary: {e}")
                    continue
            
            # Generate custom formatted summary
            summary_parts = [f"# 🎯 Results for: *{query}*", ""]
            
            for i, result in enumerate(results, 1):
                try:
                    task_type = result.get("task_type", "unknown")
                    description = result.get("description", "No description")
                    confidence = result.get("confidence", 0.5)
                    
                    result_data = result.get("result", {})
                    
                    if isinstance(result_data, dict) and "error" not in result_data:
                        summary_parts.append(f"## 🌐 Task {i}: {task_type.replace('_', ' ').title()}")
                        summary_parts.append(f"**Confidence:** {confidence:.1%}")
                        summary_parts.append("")
                        
                        # Extract and format the actual content
                        if result_data.get("summary"):
                            # Direct summary
                            summary_parts.append(result_data["summary"])
                        elif result_data.get("result"):
                            # Extract formatted content from nested result
                            content = result_data["result"]
                            if isinstance(content, str):
                                # Clean up any escaped newlines and display formatted content
                                formatted_content = content.replace('\\n', '\n').replace('\\t', '\t')
                                summary_parts.append(formatted_content)
                            else:
                                # Handle other data types
                                summary_parts.append(self._format_result_content(content))
                        else:
                            # Fallback - format the entire result_data
                            summary_parts.append(self._format_result_content(result_data))
                        
                        summary_parts.append("")
                    else:
                        # Handle errors
                        summary_parts.append(f"## ❌ {task_type.replace('_', ' ').title()} - Error")
                        if isinstance(result_data, dict):
                            error_msg = result_data.get('error', 'Unknown error occurred')
                        else:
                            error_msg = str(result_data)
                        summary_parts.append(f"**Issue:** {error_msg}")
                        summary_parts.append("")
                        
                except Exception as e:
                    print(f"⚠️ Warning: Error processing result {i}: {e}")
                    summary_parts.append(f"## ❌ Task {i} - Processing Error")
                    summary_parts.append(f"**Issue:** {str(e)}")
                    summary_parts.append("")
            
            summary_parts.append("---")
            
            return "\n".join(summary_parts)
            
        except Exception as e:
            print(f"❌ Error in _generate_summary: {e}")
            return f"# ❌ Summary Generation Error\n\nFailed to generate summary: {str(e)}\n\n---\n*🧠 Powered by AI Task Decomposition*"
    
    async def _cleanup(self):
        """Clean up resources."""
        if self.mcp_client:
            try:
                self.mcp_client.disconnect()
            except:
                pass
            self.mcp_client = None
        
        self.is_connected = False
    
    async def disconnect(self):
        """Disconnect from MCP server."""
        await self._cleanup()
        print("🔌 Disconnected from MCP server")

def create_mcp_client_interface(server_url: str = "http://localhost:7861/gradio_api/mcp/sse", model_name: str = "anthropic"):
    """Create the Gradio interface for MCP Client with LLM-powered task decomposition."""
    
    # Create the client manager
    async def process_query(query: str):
        """Process user query through MCP with LLM decomposition."""
        if not query.strip():
            return "Please enter a query to process."
        
        try:
            # Create a new client manager for each query to ensure fresh connection
            client_manager = MCPClientManager(server_url, model_name)
            
            # Process the query
            result = await client_manager.process_query(query)
            
            # Clean up
            await client_manager.disconnect()
            
            if result and 'summary' in result:
                return result['summary']
            else:
                return "❌ No results found or error occurred during processing."
                
        except Exception as e:
            return f"❌ Error processing query: {str(e)}"
    
    # Check available models and API keys
    available_models = []
    
    if ANTHROPIC_API_KEY:
        available_models.append(("🤖 Claude Sonnet 4 via Anthropic", "anthropic"))
    
    if not available_models:
        available_models.append(("❌ No API Keys Configured", "none"))
    
    # Custom CSS for better UI
    css = """
    .gradio-container {
        max-width: 1200px !important;
        margin: auto !important;
    }
    .header-container {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        padding: 2rem;
        border-radius: 15px;
        margin-bottom: 2rem;
        color: white;
        text-align: center;
    }
    .model-info {
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 10px;
        padding: 1rem;
        margin: 1rem 0;
    }
    .example-btn {
        margin: 0.25rem !important;
        background: linear-gradient(45deg, #4f46e5, #7c3aed) !important;
        border: none !important;
        color: white !important;
    }
    .example-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4) !important;
    }
    .input-section {
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 12px;
        padding: 1.5rem;
        margin: 1rem 0;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    .results-container {
        background: #ffffff;
        border: 1px solid #e5e7eb;
        border-radius: 12px;
        padding: 1.5rem;
        margin: 1rem 0;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    .control-buttons {
        margin-top: 1rem;
        gap: 1rem;
    }
    .markdown-content {
        line-height: 1.6;
    }
    """
    
    with gr.Blocks(css=css, title="🚀 VOYAGER AI") as demo:
        # Header Section
        with gr.Column(elem_classes="header-container"):
            gr.HTML("""
            <h1 style="margin: 0; font-size: 2.5rem; font-weight: bold;">
                🚀 VOYAGER AI
            </h1>
            <p style="margin: 0.5rem 0 0 0; font-size: 1.2rem; opacity: 0.9;">
                Intelligent AI Assistant with Multi-Agent Coordination
            </p>
            """)
        
        # Main Interface
        with gr.Column():
            # Examples Section
            with gr.Column():
                gr.HTML("""
                <h3 style="color: #1f2937; margin: 20px 0 15px 0; font-size: 18px; font-weight: 600;">
                    💡 Quick Start - Try These Examples:
                </h3>
                """)
                
                with gr.Row():
                    with gr.Column(scale=1):
                        sentiment_btn = gr.Button("😊 Analyze Sentiment", elem_classes=["example-btn"])
                        hiking_btn = gr.Button("🏔️ Hiking trails near Denver", elem_classes=["example-btn"])
                    with gr.Column(scale=1):
                        stock_btn = gr.Button("📈 Stock Prices", elem_classes=["example-btn"])
                        news_btn = gr.Button("📰 Latest News", elem_classes=["example-btn"])
                    with gr.Column(scale=1):
                        hotel_btn = gr.Button("🏨 Find Hotels", elem_classes=["example-btn"])
                        restaurant_btn = gr.Button("🍽️ Find Restaurants", elem_classes=["example-btn"])
            
            # Input Section
            with gr.Column(elem_classes="input-section"):
                # Query Input
                query_input = gr.Textbox(
                    placeholder="💬 Ask me anything... (e.g., 'What's NVIDIA's stock price?' or 'Find hotels and restaurants in New york')",
                    lines=3,
                    label="Your Query",
                    show_label=False,
                    container=False
                )
                
                # Control Buttons
                with gr.Row(elem_classes="control-buttons"):
                    submit_btn = gr.Button(
                        "🧠 Analyze & Execute Query",
                        variant="primary",
                        size="lg",
                        scale=2
                    )
                    clear_btn = gr.Button(
                        "🔄 Clear All",
                        variant="secondary",
                        size="lg",
                        scale=1
                    )
            
            # Results Display
            with gr.Column(elem_classes="results-container"):
                gr.HTML("""
                <h3 style="color: #1f2937; margin: 0 0 20px 0; font-size: 18px; font-weight: 600;">
                    🎯 AI Results & Analysis
                </h3>
                """)
                
                results_output = gr.Markdown(
                    value=f"""**Welcome to VOYAGER AI!** 🧠

**🎯 How it works:**
1. **Try one of the examples above** or type your question naturally
2. **Click "Analyze & Execute"** to get intelligent results

**✨ Features:**
• 🔍 **Smart Query Analysis** - AI understands your intent
• 📋 **Task Decomposition** - Complex queries broken down into subtasks  
• 🤖 **Agent Routing** - Specialized agents for different tasks
• ⚡ **Real-time Data** - Live web search and current information
• 🎨 **Professional Results** - Clean, formatted responses

**🚀 Ready to start?** Try one of the example buttons above or type your own query!

---
🤖 **Current Model:** {available_models[0][0] if available_models[0][1] != "none" else "No API Keys Configured"}""",
                    show_label=False,
                    container=False,
                    elem_classes=["markdown-content"]
                )
        
        # Event handlers
        submit_btn.click(
            process_query,
            inputs=[query_input],
            outputs=[results_output]
        )
        
        clear_btn.click(
            fn=lambda: ("", """**Interface Cleared!** 🧹

Ready for your next query. Try the example buttons above or ask me anything!

💡 **Quick Tips:**
- Try asking about stock prices, weather, news, or travel
- Use natural language - no need for specific commands
- Complex queries are automatically broken down into tasks"""),
            outputs=[query_input, results_output]
        )
        
        query_input.submit(
            process_query,
            inputs=[query_input],
            outputs=[results_output]
        )
        
        # Example button handlers with better queries
        sentiment_btn.click(
            fn=lambda: "Analyze sentiment: 'I absolutely love this new AI technology - it's revolutionary and amazing!'",
            outputs=query_input
        )
        
        hiking_btn.click(
            fn=lambda: "Find moderate hiking trails near Denver",
            outputs=query_input
        )
        
        stock_btn.click(
            fn=lambda: "What's the current stock price of SPY?",
            outputs=query_input
        )
        
        news_btn.click(
            fn=lambda: "Latest news about artificial intelligence and technology",
            outputs=query_input
        )
        
        hotel_btn.click(
            fn=lambda: "Find luxury hotels in New york",
            outputs=query_input
        )
        
        restaurant_btn.click(
            fn=lambda: "Best Italian restaurants in New York",
            outputs=query_input
        )
    
    return demo

async def main():
    """Main entry point for the LLM-Powered MCP Client."""
    # Set up environment first
    setup_environment()
    
    parser = argparse.ArgumentParser(description="LLM-Powered MCP Client with Intelligent Task Decomposition")
    parser.add_argument(
        "--server-url", 
        default="https://srikanthnagelli-agents-mcp-hackathon.hf.space/gradio_api/mcp/sse",
        help="MCP server URL (default: https://srikanthnagelli-agents-mcp-hackathon.hf.space/gradio_api/mcp/sse)"
    )
    parser.add_argument(
        "--local",
        action="store_true",
        help="Use local MCP server (http://localhost:7860/gradio_api/mcp/sse) instead of remote server"
    )
    parser.add_argument(
        "--port",
        type=int,
        default=7862,
        help="Port to run the client interface (default: 7862)"
    )
    parser.add_argument(
        "--model",
        default="anthropic",
        choices=["anthropic"],
        help="LLM model for task decomposition (default: anthropic)"
    )
    
    args = parser.parse_args()
    
    # Override server URL if --local flag is used
    if args.local:
        server_url = "http://localhost:7860/gradio_api/mcp/sse"
        print("🏠 Local development mode enabled")
    else:
        server_url = args.server_url
        print("☁️ Using remote MCP server")
    
    print("🚀 VOYAGER AI - LLM-Powered Task Decomposition")
    print("🧠 Intelligent query analysis and agent coordination")
    print("🤖 Available Models:")
    if ANTHROPIC_API_KEY:
        print("  • ✅ Claude Sonnet 4 via Anthropic")
    else:
        print("  • ❌ Claude Sonnet 4 (API key missing)")
    
    print("")
    print(f"📡 MCP Server: {server_url}")
    print(f"🧠 Default Model: {args.model}")
    print("═" * 50)
    
    # Validate selected model
    if args.model == "anthropic" and not ANTHROPIC_API_KEY:
        print("⚠️ Warning: Anthropic model selected but API key not configured")
    
    # Create and launch LLM-powered interface
    demo = create_mcp_client_interface(server_url, args.model)
    
    print("🌟 Interface ready! Select your model and ask anything naturally!")
    
    # Launch the interface - different configs for local vs deployment
    if args.local:
        # Local development - with share link
        demo.launch(
            server_name="0.0.0.0",
            server_port=args.port,
            share=True,
            show_error=True
        )
    else:
        # Production deployment (e.g., Hugging Face Spaces)
        demo.launch(
            server_name="0.0.0.0",
            server_port=7860,
            show_error=True
        )

if __name__ == "__main__":
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        print("🛑 Client shutdown requested")
    except Exception as e:
        print(f"❌ Client error: {e}")
        sys.exit(1)