/**
 * ===============================================================================
 * FILE: modules/web_api/static/js/auth.js
 * ROLE: Менеджер сессий, токенов, ФИО и авторизационных заголовков.
 * ===============================================================================
 */

const AUTH_STORAGE_KEY = "scud_auth_token";
const USERNAME_STORAGE_KEY = "scud_username";
const FULLNAME_STORAGE_KEY = "scud_full_name";
const IS_ADMIN_STORAGE_KEY = "scud_is_admin";
const USER_ID_STORAGE_KEY = "scud_user_id";

const AuthManager = {
    getToken() {
        return localStorage.getItem(AUTH_STORAGE_KEY) || "";
    },

    getUserId() {
        const uid = localStorage.getItem(USER_ID_STORAGE_KEY);
        return uid ? parseInt(uid, 10) : 1;
    },

    getUsername() {
        return localStorage.getItem(USERNAME_STORAGE_KEY) || "";
    },

    getFullName() {
        return localStorage.getItem(FULLNAME_STORAGE_KEY) || this.getUsername() || "Пользователь";
    },

    isAdmin() {
        return localStorage.getItem(IS_ADMIN_STORAGE_KEY) === "true";
    },

    isAuthenticated() {
        return Boolean(this.getToken());
    },

    setSession(token, username, fullName, isAdmin, userId = 1) {
        localStorage.setItem(AUTH_STORAGE_KEY, token);
        localStorage.setItem(USERNAME_STORAGE_KEY, username);
        localStorage.setItem(FULLNAME_STORAGE_KEY, fullName || username);
        localStorage.setItem(IS_ADMIN_STORAGE_KEY, String(isAdmin));
        localStorage.setItem(USER_ID_STORAGE_KEY, String(userId));
        localStorage.setItem("scud_api_auth_token", token);
        localStorage.setItem("auth_token", token);
    },

    getAuthHeaders() {
        const token = this.getToken();
        const headers = { "Content-Type": "application/json" };
        if (token) {
            headers["Authorization"] = `Bearer ${token}`;
        }
        return headers;
    },

    logout() {
        console.log("[Auth] Полный выход из системы...");
        localStorage.clear();
        sessionStorage.clear();

        document.cookie.split(";").forEach((cookie) => {
            const eqPos = cookie.indexOf("=");
            const name = eqPos > -1 ? cookie.substr(0, eqPos).trim() : cookie.trim();
            document.cookie = `${name}=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/`;
        });

        window.location.href = "/";
    }
};

window.AuthManager = AuthManager;
window.logout = () => AuthManager.logout();