from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from .core.config import settings
from .api.v1 import api_router
from .core.database import engine, Base, SessionLocal
from .core.init_db import init_default_data

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

# Initialize default data
db = SessionLocal()
try:
    init_default_data(db)
finally:
    db.close()

app = FastAPI(
    title=settings.APP_NAME,
    version=settings.APP_VERSION,
    openapi_url=f"{settings.API_V1_PREFIX}/openapi.json"
)

# Set up CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.BACKEND_CORS_ORIGINS,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include API router
app.include_router(api_router, prefix=settings.API_V1_PREFIX)


@app.get("/")
async def root():
    return {
        "message": f"Welcome to {settings.APP_NAME}",
        "version": settings.APP_VERSION,
        "docs": "/docs"
    }


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