"""
Echo Tool - Simple echo for testing.
"""

from tools.base import BaseTool
from typing import Any, Dict


class EchoTool(BaseTool):
    """Simple echo tool for testing MCP server."""
    
    @property
    def name(self) -> str:
        return "echo"
    
    @property
    def description(self) -> str:
        return "Echo back the input text. Useful for testing the MCP server."
    
    def get_schema(self) -> Dict[str, Any]:
        """Get tool schema."""
        return {
            "name": self.name,
            "description": self.description,
            "inputSchema": {
                "type": "object",
                "properties": {
                    "text": {
                        "type": "string",
                        "description": "Text to echo back"
                    }
                },
                "required": ["text"]
            }
        }
    
    def execute(self, arguments: Dict[str, Any]) -> str:
        """Execute echo tool."""
        text = arguments.get("text", "")
        if not text:
            raise ValueError("Missing required argument: text")
        
        return f"Echo: {text}"