"""FastAPI application for the NLP Topic Analysis REST API."""

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from .routes import router

app = FastAPI(
    title="NLP Topic Analysis API",
    description=(
        "Automatic topic discovery from a batch of documents using "
        "BERTopic (transformer-based) or classical LDA/NMF models."
    ),
    version="1.0.0",
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_methods=["*"],
    allow_headers=["*"],
)

app.include_router(router, prefix="/api/v1", tags=["topics"])

if __name__ == "__main__":
    import uvicorn
    uvicorn.run("api.main:app", host="0.0.0.0", port=8001, reload=True)