from pydantic import BaseModel
from typing import Any, Dict, List, Optional

class ToolCallRequest(BaseModel):
    """Request for calling an MCP tool"""
    tool_name: str
    arguments: Dict[str, Any] = {}

class ToolCallResponse(BaseModel):
    """Response from MCP tool call"""
    success: bool
    result: Optional[Dict[str, Any]] = None
    error: Optional[str] = None
    tool_name: str

class ResourceInfo(BaseModel):
    """Information about an MCP resource"""
    uri: str
    name: str
    description: Optional[str] = None
    mime_type: str

class ToolInfo(BaseModel):
    """Information about an MCP tool"""
    name: str
    description: str
    input_schema: Dict[str, Any]

class ResourceListResponse(BaseModel):
    """Response for listing resources"""
    resources: List[ResourceInfo]
    count: int

class ToolListResponse(BaseModel):
    """Response for listing tools"""
    tools: List[ToolInfo]
    count: int