const tokenKey = "token";

export const setUser = (user) => {
    if (user && user.token) {
        window.localStorage.setItem(tokenKey, JSON.stringify(user));
    }
    else {
        window.localStorage.removeItem(tokenKey);
    }
}

export const getAccessToken = () => {
    let result = window.localStorage.getItem(tokenKey);
    if (!result) {
        return "";
    }
    const user = JSON.parse(result);
    return `Bearer ${user.token}`;
}

export const getRawToken = () => {
    let result = window.localStorage.getItem(tokenKey);
    if (!result) {
        return null;
    }
    return JSON.parse(result).token || null;
}

export const getUser = () => {
    let result = window.localStorage.getItem(tokenKey);
    if (!result) {
        return null;
    }
    return JSON.parse(result);
}

export const removeToken = () => {
    window.localStorage.removeItem(tokenKey);
}

export const isAuthenticated = () => {
    const token = getRawToken();
    if (!token) return false;
    try {
        const payload = JSON.parse(atob(token.split(".")[1]));
        return new Date(payload.exp * 1000) > new Date();
    } catch (e) {
        return false;
    }
}