"""Main FastAPI application"""
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.openapi.utils import get_openapi

from app.core.config import get_settings
from app.core.database import engine
from app.models.base import Base
from app.routers import auth

# Create tables
Base.metadata.create_all(bind=engine)

# Initialize FastAPI
settings = get_settings()
app = FastAPI(
    title=settings.app_name,
    version=settings.app_version,
    openapi_url=f"{settings.api_prefix}/openapi.json",
    docs_url=f"{settings.api_prefix}/docs",
)

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

# Include routers
app.include_router(auth.router, prefix=settings.api_prefix)

# Health check
@app.get("/health")
def health_check():
    """Health check endpoint"""
    return {"status": "ok", "service": settings.app_name}


# OpenAPI customization
def custom_openapi():
    """Customize OpenAPI schema"""
    if app.openapi_schema:
        return app.openapi_schema
    
    openapi_schema = get_openapi(
        title=settings.app_name,
        version=settings.app_version,
        description="Cisco Config Builder SaaS - Network device configuration management",
        routes=app.routes,
    )
    
    app.openapi_schema = openapi_schema
    return app.openapi_schema


app.openapi = custom_openapi