from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles
from fastapi.responses import FileResponse
from pydantic import BaseModel
from dotenv import load_dotenv

load_dotenv()

from agent.backend import process_agent_chat

app = FastAPI(
    title="Hospital Patient Management Agent",
    description="AI-powered hospital admin assistant",
    version="1.0.0"
)

app.mount("/static", StaticFiles(directory="static"), name="static")

class ChatRequest(BaseModel):
    msg: str

@app.get("/")
async def serve_index():
    return FileResponse("static/index.html")

@app.post("/api/chat")
async def chat(req: ChatRequest):
    result = await process_agent_chat(req.msg)
    return result