import sys
import os
from pathlib import Path
from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles

# Add the parent directory of 'app' to sys.path to support 'python app/main.py'
backend_dir = Path(__file__).resolve().parent.parent
if str(backend_dir) not in sys.path:
    sys.path.insert(0, str(backend_dir))

from app.core.config import get_settings
from app.core.cors import setup_cors
from app.api.v1.router import router as api_router


settings = get_settings()

app = FastAPI(title=settings.app_name)
setup_cors(app)
app.include_router(api_router, prefix=settings.api_v1_prefix)

# Mount storage
# Assuming backend is running from backend/ directory or root. 
# Relative to backend/app/main.py, storage is ../../storage if run from inside app? 
# Usually we run uvicorn from backend/ dir. 
# So storage is ../storage relative to backend/ (cwd).
# Or if storage is in root of workspace, and we run from backend/, it is ../storage.

BASE_DIR = Path(__file__).resolve().parent.parent.parent
STORAGE_DIR = BASE_DIR / "storage"
STORAGE_DIR.mkdir(parents=True, exist_ok=True)

app.mount(f"{settings.api_v1_prefix}/storage", StaticFiles(directory=str(STORAGE_DIR)), name="storage")


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


if __name__ == "__main__":
    import uvicorn
    # When running as 'python app/main.py', the app is in the current module's 'app' variable,
    # but uvicorn.run("app.main:app") is better for reload support.
    uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=True)