#!/usr/bin/env python3
"""
MCP server for: Create a simple verification MCP with a single hello tool that returns a greeting message. This is f...
Generated by KEN-MCP on 2025-06-27

TODO: Claude, please customize this MCP server based on these requirements:
Create a simple verification MCP with a single hello tool that returns a greeting message. This is for testing the final v3.5.6 fixes.
Analysis Results:
- Domain: communication
- Primary actions: create, validate, send
- Key entities: message
- Operations: filtering

Instructions:
1. Rename the placeholder tools to match the actual functionality needed
2. Update tool descriptions and parameters based on requirements
3. Implement the actual logic in each tool function
4. Add/remove tools, resources, and prompts as needed
5. Update dependencies in pyproject.toml if additional packages are required

IMPORTANT: If the MCP fails to load in Claude:
- Run: python diagnose.py to check for common issues
- Never use print() statements - use logger.info() instead
- Ensure all output goes to stderr, not stdout
"""

from fastmcp import FastMCP, Context
from fastmcp.exceptions import ToolError
from typing import Dict, List, Any, Optional
from pathlib import Path
import json
import os
import sys
import logging

# CRITICAL: Configure logging to use stderr ONLY - stdout is reserved for MCP protocol
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    stream=sys.stderr  # All logs MUST go to stderr, never stdout!
)
logger = logging.getLogger(__name__)

# Initialize the MCP server with clean stdout (no redirection needed)
mcp = FastMCP(
    name="verification-final-mcp",
    instructions="""
    MCP server for: Create a simple verification MCP with a single hello tool that returns a greeting message. This is f...
    
    Original Requirements:
    Create a simple verification MCP with a single hello tool that returns a greeting message. This is for testing the final v3.5.6 fixes.
Analysis Results:
- Domain: communication
- Primary actions: create, validate, send
- Key entities: message
- Operations: filtering
    
    TODO: Claude should update these instructions based on the actual implementation.
    """
)

# IMPORTANT: NEVER use print() statements!
# Use logger.info(), logger.debug(), etc. instead
# Any output to stdout will break the MCP protocol


@mcp.tool
async def hello(
    ctx: Context,
    name: str = "World"
) -> Dict[str, Any]:
    """Simple hello tool that returns a greeting message."""
    try:
        await ctx.info(f"Generating greeting for {name}")
        
        greeting = f"Hello, {name}! This is a verification message from the MCP server."
        
        return {
            "status": "success",
            "message": greeting,
            "timestamp": "2025-06-27",
            "version": "v3.5.6"
        }
    except Exception as e:
        raise ToolError(f"Failed to generate greeting: {e}")

@mcp.tool
async def list_all(
    ctx: Context,
    filter: Optional[Dict[str, Any]]
) -> Dict[str, Any]:
    """List all items in the communication system

TODO: Claude, implement based on requirements"""
    # Implementation for listing/fetching multiple items
    try:
        await ctx.info(f"Fetching items...")
        
        # TODO: Apply filters if provided
        # TODO: Implement pagination
        # TODO: Fetch from data source
        
        items = []  # TODO: Fetch actual items
        
        return {
            "status": "success",
            "count": len(items),
            "items": items,
            "total": len(items)
        }
    except Exception as e:
        raise ToolError(f"Failed to list items: {e}")

@mcp.tool
async def get_status(
    ctx: Context,
    detailed: bool = False
) -> Dict[str, Any]:
    """Get status information for the MCP server"""
    try:
        await ctx.info(f"Fetching server status...")
        
        status_info = {
            "server": "verification-final-mcp",
            "version": "v3.5.6",
            "status": "running",
            "timestamp": "2025-06-27"
        }
        
        if detailed:
            status_info.update({
                "tools": ["hello", "list_all", "get_status"],
                "resources": 4,
                "prompts": 1
            })
            
        return {
            "status": "success",
            "data": status_info
        }
    except Exception as e:
        raise ToolError(f"Failed to get status: {e}")

# Resources - TODO: Claude, implement these based on requirements

@mcp.resource("data://messages")
async def resource_messages() -> List[Dict[str, Any]]:
    """Collection of messages - TODO: Implement based on requirements"""
    # TODO: Implement this resource based on requirements
    # Consider what data should be exposed here
    return [{
        "status": "not_implemented", 
        "message": "TODO: Implement resource for data://messages",
        "description": "Collection of messages - TODO: Implement based on requirements"
    }]

@mcp.resource("data://message/{id}")
async def resource_message_id(id: str) -> List[Dict[str, Any]]:
    """Individual message by ID - TODO: Implement based on requirements"""
    # TODO: Implement this resource based on requirements
    # Consider what data should be exposed here
    return [{
        "status": "not_implemented", 
        "message": "TODO: Implement resource for data://message/{id}",
        "description": "Individual message by ID - TODO: Implement based on requirements"
    }]

@mcp.resource("channels://list")
async def resource_list() -> List[Dict[str, Any]]:
    """Available communication channels - TODO: Implement based on requirements"""
    # TODO: Implement this resource based on requirements
    # Consider what data should be exposed here
    return [{
        "status": "not_implemented", 
        "message": "TODO: Implement resource for channels://list",
        "description": "Available communication channels - TODO: Implement based on requirements"
    }]

@mcp.resource("users://active")
async def resource_active() -> List[Dict[str, Any]]:
    """Active users in the system - TODO: Implement based on requirements"""
    # TODO: Implement this resource based on requirements
    # Consider what data should be exposed here
    return [{
        "status": "not_implemented", 
        "message": "TODO: Implement resource for users://active",
        "description": "Active users in the system - TODO: Implement based on requirements"
    }]

@mcp.resource("system://status")
async def resource_status() -> List[Dict[str, Any]]:
    """System status for communication - TODO: Implement health checks"""
    # TODO: Implement this resource based on requirements
    # Consider what data should be exposed here
    return [{
        "status": "not_implemented", 
        "message": "TODO: Implement resource for system://status",
        "description": "System status for communication - TODO: Implement health checks"
    }]

# Prompts - TODO: Claude, implement these based on requirements

@mcp.prompt
def help(topic: Optional[str] = None) -> str:
    """Get help with verification MCP operations"""
    if topic == "hello":
        return "Use the hello tool to generate a greeting message. Pass an optional 'name' parameter."
    elif topic == "status":
        return "Use the get_status tool to check server status. Pass 'detailed=true' for more information."
    else:
        return "Available tools: hello (generate greeting), get_status (server status), list_all (list items). Use help with topic name for specific help."


if __name__ == "__main__":
    mcp.run()
