from __future__ import annotations

import os
import sys
from pathlib import Path
from typing import Any

from fastapi import FastAPI

PLUGIN_DIR = Path(__file__).resolve().parent / "scanpy" / "mcp_output" / "mcp_plugin"
plugin_path = str(PLUGIN_DIR)
if plugin_path not in sys.path:
    sys.path.insert(0, plugin_path)

app = FastAPI(title="scanpy-mcp-info", version="1.0.0")


@app.get("/")
def root() -> dict[str, Any]:
    return {
        "name": "scanpy MCP service",
        "description": "Supplementary info API for local development",
        "mcp_entrypoint": "scanpy/mcp_output/start_mcp.py",
        "default_port": int(os.getenv("PORT", "7860")),
    }


@app.get("/health")
def health() -> dict[str, str]:
    return {"status": "healthy"}


@app.get("/tools")
def tools() -> dict[str, Any]:
    from mcp_service import create_app

    mcp = create_app()
    tool_items = []
    for tool in getattr(mcp, "tools", []):
        tool_items.append(
            {
                "name": getattr(tool, "name", "unknown"),
                "description": getattr(tool, "description", ""),
            }
        )
    return {"tools": tool_items, "count": len(tool_items)}