from pathlib import Path
import json
from mcp.server.fastmcp import FastMCP

MCP_ROOT = Path("mcp")

mcp = FastMCP("aetoskia-mail-intake-docs")

def read_json(path: Path):
    if not path.exists():
        return {"error": "not_found", "path": str(path)}
    return json.loads(path.read_text())

@mcp.resource("docs://index")
def index():
    return read_json(MCP_ROOT / "index.json")

@mcp.resource("docs://nav")
def nav():
    return read_json(MCP_ROOT / "nav.json")

@mcp.resource("docs://module/{module}")
def module(module: str):
    return read_json(MCP_ROOT / "modules" / f"{module}.json")

@mcp.tool()
def ping() -> str:
    return "Pong! (fake tool executed)"

if __name__ == "__main__":
    # FastMCP owns the HTTP server
    mcp.run(transport="streamable-http")