"""
YG-Dataset Backend Application
FastAPI-based API server for dataset generation platform
"""

from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api.v1 import api_router
from app.core.config import settings
from app.core.database import init_db


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan events"""
    # Startup
    await init_db()
    yield
    # Shutdown
    pass


app = FastAPI(
    title="YG-Dataset API",
    description="Dataset Generation Platform API",
    version="1.0.0",
    lifespan=lifespan,
)

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

# Include API routes
app.include_router(api_router, prefix="/api/v1")


@app.get("/health")
async def health_check():
    """Health check endpoint"""
    return {"status": "healthy", "version": "1.0.0"}


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "app.main:app",
        host=settings.HOST,
        port=settings.PORT,
        reload=settings.DEBUG,
    )
