"""Main FastAPI application."""

from contextlib import asynccontextmanager

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

from app.api.v1 import assets, auth, shares, uploads
from app.infra.config import get_settings
from app.infra.database import init_db

settings = get_settings()


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler."""
    # Startup
    await init_db()

    # TEMPORARY: Clean up old deleted assets (remove this after first run)
    from app.infra.database import get_session
    from sqlalchemy import text
    async for session in get_session():
        await session.execute(text("DELETE FROM assets WHERE status = 'deleted'"))
        await session.commit()
        break
    # END TEMPORARY

    yield
    # Shutdown
    pass


app = FastAPI(
    title="ITCloud API",
    description="Cloud photo and video storage API",
    version="0.1.0",
    lifespan=lifespan,
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins_list,
    allow_credentials=True,
    allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"],
    allow_headers=["*"],
    expose_headers=["*"],
    max_age=3600,
)

# Include routers
app.include_router(auth.router, prefix="/api/v1")
app.include_router(uploads.router, prefix="/api/v1")
app.include_router(assets.router, prefix="/api/v1")
app.include_router(shares.router, prefix="/api/v1")


@app.get("/health")
async def health_check():
    """Health check endpoint."""
    return {"status": "ok"}


@app.get("/")
async def root():
    """Root endpoint."""
    return {"message": "ITCloud API", "version": "0.1.0"}