from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from pathlib import Path
from app.db.session import engine
from app.db.base import Base
from app.routers import products, categories, suppliers, stock_movements, reports

Base.metadata.create_all(bind=engine)

app = FastAPI(
    title="Small Business Inventory System",
    description="A comprehensive inventory management system for small businesses",
    version="1.0.0",
    openapi_url="/openapi.json",
)

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

app.include_router(products.router, prefix="/api/v1")
app.include_router(categories.router, prefix="/api/v1")
app.include_router(suppliers.router, prefix="/api/v1")
app.include_router(stock_movements.router, prefix="/api/v1")
app.include_router(reports.router, prefix="/api/v1")


@app.get("/")
def root():
    return {
        "title": "Small Business Inventory System",
        "description": "A comprehensive inventory management system for small businesses",
        "version": "1.0.0",
        "documentation": "/docs",
        "health_check": "/health",
    }


@app.get("/health")
def health_check():
    try:
        db_dir = Path("/app/storage/db")
        db_file = db_dir / "db.sqlite"

        return {
            "status": "healthy",
            "database": {
                "status": "connected",
                "path": str(db_file),
                "exists": db_file.exists(),
            },
            "storage": {"directory": str(db_dir), "exists": db_dir.exists()},
        }
    except Exception as e:
        return {"status": "unhealthy", "error": str(e)}


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(app, host="0.0.0.0", port=8000)