import * as Bowser from 'bowser';

import { isWideScreen } from '../utils.js';

import {

algorithmSelect,

algorithmEs512,

editorElement,

decodedElement

} from '../dom-elements.js';

const browser = Bowser.parse(window.navigator.userAgent);

export function getTrimmedValue(instance) {

const value = instance.getValue();

if (!value) {

return '';

}

return value.replace(/\s/g, '');

}

export function fixEditorHeight() {

if(isWideScreen()) {

editorElement.style.height = `${decodedElement.offsetHeight}px`;

}

}

export const stringifyIndentSpaces = 2;

export function stringify(object) {

return JSON.stringify(object, null, stringifyIndentSpaces);

}

export function getSelectedAlgorithm() {

const selected = algorithmSelect.options[algorithmSelect.selectedIndex];

return selected.value;

}

export function p521Supported() {

return browser.engine.name !== 'WebKit' ||

(browser.browser.name === 'Safari' && parseInt(browser.browser.version, 10) >= 15) ||

(browser.os.name === 'iOS' && parseInt(browser.os.version, 10) >= 15);

}

export function disableUnsupportedAlgorithms() {

// TODO: test supported algorithms in runtime

if(p521Supported() === false) {

algorithmEs512.disabled = true;

}

}

export function isString(value) {

return typeof value === 'string' || value instanceof String;

}