from __future__ import annotations

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

from fastapi import FastAPI


BASE_DIR = Path(__file__).resolve().parent
PLUGIN_DIR = BASE_DIR / "snap-python" / "mcp_output" / "mcp_plugin"
if str(PLUGIN_DIR) not in sys.path:
    sys.path.insert(0, str(PLUGIN_DIR))

app = FastAPI(title="snap-python MCP Info API", version="1.0.0")


@app.get("/")
def root() -> dict[str, Any]:
    return {
        "service": "snap-python MCP Service",
        "mcp_transport": os.getenv("MCP_TRANSPORT", "stdio"),
        "mcp_port": int(os.getenv("MCP_PORT", "8000")),
        "info": "This FastAPI app is supplementary and does not run the MCP server.",
    }


@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: list[dict[str, Any]] = []

    raw_tools = getattr(mcp, "tools", None)
    if isinstance(raw_tools, dict):
        for name, value in raw_tools.items():
            description = getattr(value, "description", "")
            tool_items.append({"name": str(name), "description": str(description)})
    elif isinstance(raw_tools, list):
        for value in raw_tools:
            name = getattr(value, "name", "")
            description = getattr(value, "description", "")
            tool_items.append({"name": str(name), "description": str(description)})

    return {"count": len(tool_items), "tools": tool_items}


if __name__ == "__main__":
    import uvicorn

    uvicorn.run("app:app", host="0.0.0.0", port=int(os.getenv("PORT", "7860")), reload=False)