export const loaderHandler = (action: string) => {
    if (!action) {
        throw Error('"setDisabledButton function - "You didn\'t add required parameters');
    }

    const loader = document.querySelector('.js-accessible-docs-admin-loader') as HTMLElement | null;

    if (loader) {
        loader.classList[action]('active');
    }
};

export const setDisabledButton = (selector: string, disabled: boolean) => {
    if (!selector) {
        throw Error('"setDisabledButton function - "You didn\'t add required parameters');
    }

    const button = document.querySelector<HTMLButtonElement>(selector);
    if (button) {
        button.disabled = disabled;
    }
};

export const returnCheckedDocumentsIds = () => {
    const checkboxes = document.querySelectorAll<HTMLInputElement>('.js-accessible-docs-id');
    
    if (checkboxes.length > 0) {
    const checkedValues = Array.from(checkboxes)
            .filter(checkbox => checkbox.checked)
            .map(checkbox => checkbox.value);
        
        return checkedValues.length ? checkedValues : false;
    }

    return false;
};

/**
* Displays an error alert and hides the loader loader if present.
* 
* @param {string} errorText - The error message to be displayed.
*/
export const showErrorAlert = (errorText: string) => {
    loaderHandler('remove');

    if (errorText) {
        alert(errorText);
    }
}