import {writable} from 'svelte/store';
import { browser } from '$app/environment';

export interface AuthStore {
	token: string | null;
	tokenHead: string | null;
	isAuthenticated: boolean;
}

let initialToken: string | null = null;
let initialTokenHead: string | null = null;


if (browser) {
	initialToken = localStorage.getItem('auth_token');
	initialTokenHead = localStorage.getItem('auth_token_head');
}

const initialAuthStore: AuthStore = {
	token: initialToken,
	tokenHead: initialTokenHead,
	isAuthenticated: initialToken !== null
}

const authStatusStore = writable<AuthStore>({
	token: initialToken,
	tokenHead: initialTokenHead,
	isAuthenticated: initialToken !== null
})

export const authStore = {
	subscribe: authStatusStore.subscribe,
	set: authStatusStore.set,
	update: authStatusStore.update,
	clear: () => {
		authStatusStore.set(initialAuthStore);
	},
};