from pathlib import Path
import subprocess

import typer

from l4d2host.instances import delete_instance, initialize_instance, start_instance, stop_instance
from l4d2host.steam_install import SteamInstaller


app = typer.Typer(no_args_is_help=True)


def _exit_from_subprocess_error(exc: subprocess.CalledProcessError) -> None:
    if exc.stderr:
        typer.echo(exc.stderr, err=True)
    raise typer.Exit(code=exc.returncode)


@app.command()
def install() -> None:
    try:
        SteamInstaller().install_or_update(passthrough=True)
    except subprocess.CalledProcessError as exc:
        _exit_from_subprocess_error(exc)


@app.command()
def initialize(name: str, spec: Path = typer.Option(..., "-f")) -> None:
    try:
        initialize_instance(name, spec, passthrough=True)
    except subprocess.CalledProcessError as exc:
        _exit_from_subprocess_error(exc)


@app.command()
def start(name: str) -> None:
    try:
        start_instance(name, passthrough=True)
    except subprocess.CalledProcessError as exc:
        _exit_from_subprocess_error(exc)


@app.command()
def stop(name: str) -> None:
    try:
        stop_instance(name, passthrough=True)
    except subprocess.CalledProcessError as exc:
        _exit_from_subprocess_error(exc)


@app.command()
def delete(name: str) -> None:
    try:
        delete_instance(name, passthrough=True)
    except subprocess.CalledProcessError as exc:
        _exit_from_subprocess_error(exc)