const defaults = {
    apiBase: `${window.location.origin}/api/v1`,
    gatewayBase: `${location.protocol === "https:" ? "wss" : "ws"}://${location.host}/gateway`
};

const dummyProvider = {
    _store: {},
    getItem(key) {
        return this._store[key];
    },
    setItem(key, value) {
        this._store[key] = value;
    }
};

function getProvider() {
    return window.localStorage || dummyProvider;
}

export function getItem(key) {
    return getProvider().getItem(key);
}

export function setItem(key, value) {
    return getProvider().setItem(key, value);
}

export function getAuthToken() {
    return getItem("token");
}

export function setAuthToken(value) {
    return setItem("token", value);
}

export function apiRoute(fragment) {
    return `${getItem("apiBase")}/${fragment}`;
}

export function setItemIfNull(key, value) {
    const provider = getProvider();
    if (!provider.getItem(key)) {
        provider.setItem(key, value);
        return true;
    }
    return false;
}

export function initStorageDefaults() {
    for (const [k, v] of Object.entries(defaults)) {
        setItemIfNull(k, v);
    }
}