"""FastAPI application entry point."""

import asyncio
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from backend.config import settings
from backend.api import upload, split, status, download
from backend.api.websocket import router as websocket_router
from backend.services import progress_publisher

app = FastAPI(
    title="Audio Splitter Web API",
    description="Web interface for splitting audio files using a tracklist",
    version="0.1.0",
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.allow_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.on_event("startup")
async def startup_event():
    """Store the main event loop for use in other threads."""
    progress_publisher.MAIN_LOOP = asyncio.get_running_loop()


# Include routers
app.include_router(upload.router)
app.include_router(split.router)
app.include_router(status.router)
app.include_router(download.router)
app.include_router(websocket_router)


@app.get("/")
async def root():
    return {"status": "ok", "service": "Audio Splitter Web API"}


@app.get("/health")
async def health():
    return {"status": "healthy"}