import sys
from pathlib import Path

# Add backend directory to Python path
backend_dir = Path(__file__).resolve().parent.parent
if str(backend_dir) not in sys.path:
    sys.path.insert(0, str(backend_dir))

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
import uvicorn
from app.database.database import engine, Base
from app.config import settings
from app.routers import auth, users, products, categories, cart, orders, wishlist, contact, models, brands
    
# Create uploads directory if it doesn't exist
uploads_dir = Path("uploads")
uploads_dir.mkdir(exist_ok=True)
    
# Create tables
Base.metadata.create_all(bind=engine)

# Create or update admin user
def create_admin_user():
    from app.database.database import SessionLocal
    from app.models.user import User
    from app.services.auth import get_password_hash
    
    db = SessionLocal()
    try:
        # Check if admin with current email exists
        admin = db.query(User).filter(User.email == settings.admin_email).first()
        
        if admin:
            # Admin exists, update password if needed
            admin.hashed_password = get_password_hash(settings.admin_password)
            admin.full_name = settings.admin_full_name
            db.commit()
            print(f"ℹ️  Admin user updated: {settings.admin_email}")
        else:
            # Delete any other admin users (old ones with different emails)
            old_admins = db.query(User).filter(User.is_admin == True).all()
            for old_admin in old_admins:
                db.delete(old_admin)
            db.commit()
            
            # Create new admin user
            admin = User(
                email=settings.admin_email,
                full_name=settings.admin_full_name,
                hashed_password=get_password_hash(settings.admin_password),
                is_admin=True,
                is_active=True,
                must_change_password=True  # Force password change on first login
            )
            db.add(admin)
            db.commit()
            print(f"✅ Admin user created: {settings.admin_email}")
            print(f"⚠️  Default password: {settings.admin_password} (CHANGE THIS!)")
    except Exception as e:
        print(f"❌ Error creating admin user: {e}")
        db.rollback()
    finally:
        db.close()

create_admin_user()

app = FastAPI(
    title="E-commerce API",
    description="Full-featured e-commerce API for clothing and shoes",
    version="1.0.0",
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=[settings.frontend_url, "http://localhost:3000", "http://localhost:5173"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(auth.router)
app.include_router(users.router)
app.include_router(products.router)
app.include_router(categories.router)
app.include_router(models.router)
app.include_router(brands.router)
app.include_router(cart.router)
app.include_router(orders.router)
app.include_router(wishlist.router)
app.include_router(contact.router)
app.include_router(contact.admin_router)  # Admin contact messages endpoints
app.include_router(contact.user_router)  # User messages endpoints

# Mount static files for uploads
app.mount("/uploads", StaticFiles(directory="uploads"), name="uploads")


@app.get("/")
def read_root():
    return {
        "message": "E-commerce API",
        "version": "1.0.0",
        "docs": "/docs",
    }


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


if __name__ == "__main__":
    uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=True)