"""FastAPI application entry point."""

from contextlib import asynccontextmanager

from fastapi import FastAPI

from app.api.v1.router import api_router
from app.core.config import get_settings
from app.core.dependencies import init_layout_detector

settings = get_settings()


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler for startup/shutdown."""
    # Startup: Load models
    init_layout_detector(model_path=settings.doclayout_model_path)

    yield

    # Shutdown: Cleanup happens automatically


app = FastAPI(
    title="DocProcesser API",
    description="Document processing API - Image to LaTeX/Markdown/MathML and Markdown to DOCX",
    version="0.1.0",
    lifespan=lifespan,
)

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


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