import json
from pathlib import Path


CONFIG_PATH = Path(__file__).with_name("spotify_config.json")
DEFAULT_REDIRECT_URI = "http://127.0.0.1:4002/auth"


def loadSpotifySettings():
    if not CONFIG_PATH.exists():
        return {}

    with CONFIG_PATH.open("r", encoding="utf-8") as file:
        return json.load(file)


def saveSpotifySettings(clientId, clientSecret, redirectUri=None):
    settings = {
        "client_id": clientId.strip(),
        "client_secret": clientSecret.strip(),
        "redirect_uri": (redirectUri or DEFAULT_REDIRECT_URI).strip(),
    }

    with CONFIG_PATH.open("w", encoding="utf-8") as file:
        json.dump(settings, file, indent=4)
        file.write("\n")


def spotifySettingsReady():
    settings = loadSpotifySettings()

    return bool(settings.get("client_id") and settings.get("client_secret"))


def getSpotifySettings():
    settings = loadSpotifySettings()

    if not settings.get("client_id") or not settings.get("client_secret"):
        raise RuntimeError("Spotify setup is incomplete.")

    settings.setdefault("redirect_uri", DEFAULT_REDIRECT_URI)

    return settings