"""FastAPI application entry point."""

from contextlib import asynccontextmanager

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

from app.core.config import settings
from app.db.base import Base
from app.db.session import engine
from app.api.v1.router import api_v1_router


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler."""
    # On startup: create tables if they don't exist (for dev convenience)
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield
    # On shutdown: dispose engine
    await engine.dispose()


app = FastAPI(
    title=settings.APP_NAME,
    version="0.1.0",
    docs_url="/docs",
    redoc_url="/redoc",
    lifespan=lifespan,
)

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

# Include API v1 router
app.include_router(api_v1_router, prefix=settings.API_V1_PREFIX)


@app.get("/")
async def root():
    """Root endpoint."""
    return {"message": "Rentman Clone API", "version": "0.1.0"}