import os
from fastapi import FastAPI, HTTPException, Request, Response
from fastapi.staticfiles import StaticFiles
from fastapi.middleware.cors import CORSMiddleware
import uvicorn

# Import the app from app.py
from app import app as api_app

# Create a new FastAPI app for serving both API and static files
app = FastAPI(title="Educational Research Methods Chatbot")

# Add CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # In production, replace with specific origins
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Mount the API app
app.mount("/api", api_app)

# Mount static files
app.mount("/", StaticFiles(directory="static", html=True), name="static")

if __name__ == "__main__":
    # Get port from environment variable for cloud deployment
    port = int(os.environ.get("PORT", 8080))
    host = os.environ.get("HOST", "0.0.0.0")
    
    uvicorn.run(app, host=host, port=port)