#!/usr/bin/env python3

"""
Main script for `ovdashboard_api` module.

Creates the main `FastAPI` app.
"""

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from uvicorn import run as uvicorn_run

from .dav_common import webdav_check
from .routers import main_router
from .settings import SETTINGS

app = FastAPI(
    title="OVDashboard API",
    description="This API enables the `OVDashboard` service.",
    contact={
        "name": "Jörn-Michael Miehe",
        "email": "jmm@yavook.de",
    },
    license_info={
        "name": "MIT License",
        "url": "https://opensource.org/licenses/mit-license.php",
    },
    openapi_url=SETTINGS.openapi_url,
    docs_url=SETTINGS.docs_url,
    redoc_url=SETTINGS.redoc_url,
)

app.include_router(main_router)


def main() -> None:
    """
    If the `main` script is run, `uvicorn` is used to run the app.
    """

    if SETTINGS.production_mode:
        # Mount frontend in production mode
        app.mount(
            path="/",
            app=StaticFiles(
                directory="/html",
                html=True,
            ),
            name="frontend",
        )

    else:
        # Allow CORS in debug mode
        app.add_middleware(
            CORSMiddleware,
            allow_origins=[
                "*",
            ],
            allow_credentials=True,
            allow_methods=["*"],
            allow_headers=["*"],
            expose_headers=["*"],
        )

    if webdav_check():
        uvicorn_run(
            app="ovdashboard_api.main:app",
            host=SETTINGS.main_host,
            port=SETTINGS.main_port,
            reload=not SETTINGS.production_mode,
        )


if __name__ == "__main__":
    main()