import evaluateBrowserVersion from '@digigov/ui/app/OutdatedBrowserBanner/hooks/evaluateBrowserVersion';

const DEFAULT_BROWSER_SUPPORT = {
  Chrome: 57, // Includes Chrome for mobile devices
  Edge: 39,
  Safari: 10,
  'Mobile Safari': 10,
  Firefox: 50,
  Opera: 50,
  IE: 0,
};

const browserUpdateLinks = {
  Chrome: 'https://www.google.com/chrome/',
  Edge: 'https://www.microsoft.com/en-us/edge',
  Safari: 'https://www.apple.com/safari/',
  'Mobile Safari': 'https://www.apple.com/safari/',
  Firefox: 'https://www.mozilla.org/en-US/firefox/new/',
  Opera: 'https://www.opera.com/download',
};

const browserNames = Object.keys(DEFAULT_BROWSER_SUPPORT);

export function useOutdatedBrowserCheck(
  browserSupport: Record<string, number> = DEFAULT_BROWSER_SUPPORT
): [boolean, string] {
  const currentBrowser = evaluateBrowserVersion();
  if (!currentBrowser.version || !currentBrowser.name) {
    return [true, browserUpdateLinks.Chrome];
  }
  const currentBrowserVersion = parseInt(currentBrowser.version);
  const currentBrowserName = currentBrowser.name;
  if (browserNames.indexOf(currentBrowser.name) > -1) {
    // this checks if browser is IE
    if (browserSupport[currentBrowserName] === 0) {
      return [true, browserUpdateLinks.Chrome];
    } else {
      if (currentBrowserVersion >= browserSupport[currentBrowserName]) {
        // TODO: check if number
        return [false, ''];
      } else {
        return [true, browserUpdateLinks[currentBrowserName]];
      }
    }
  } else {
    return [true, browserUpdateLinks.Chrome];
  }
}
export default useOutdatedBrowserCheck;