import { goto } from "$app/navigation";

type User = {
    token: string,
    id: string,
    user_type: number,
    username: string,
    email: string,
};

export function createUserStore() {
    let user = $state<User | undefined>(undefined);

    function getValue() {
        if (user == undefined) {
            let storage = localStorage.getItem('user');
            if (storage) {
                try {
                    user = JSON.parse(storage);
                } catch {
                    user = undefined;
                }
            }
        } 
        return user;
    }

    return {
        get user() {
            return getValue();
        },
        set user(value: User | undefined) {
            if (value) {
                localStorage.setItem('user', JSON.stringify(value));
            } else {
                localStorage.removeItem('user');
            }
            user = value;
        },
        checkUser(pathOnFail: string, level?: number) {
            if (user && user.level > (level ?? 2) ) {
                goto(pathOnFail);
                return true;
            }

            return false;
        },
        isLogin() {
            if (getValue()) return true;
            return false;
        }
    }
}

export const userStore = createUserStore();