"""FastAPI app factory."""

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

from app import __version__
from app.routers import documents, edits, health, info, internal, render


def create_app() -> FastAPI:
    app = FastAPI(
        title="PDF Engine Gateway",
        version=__version__,
        description="Auth, metadata, storage, and job-queue gateway over the C++ PDF engine.",
    )

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

    app.include_router(health.router)
    app.include_router(info.router)
    app.include_router(documents.router)
    app.include_router(render.router)
    app.include_router(render.compat_router)
    app.include_router(edits.router)
    app.include_router(edits.compat_router)
    app.include_router(internal.router)

    @app.get("/")
    def read_root():
        return {
            "name": "PDF Engine Gateway",
            "version": __version__,
            "health": "/health",
            "docs": "/docs",
        }

    return app


app = create_app()