/**
* Usage: selectDropdownByNumber ( selector, index)
* selector : select element
* index : index in the dropdown, 1 base.
*/
export function selectDropdownByNumber(selector: string, index: number, milliseconds: number) {
  element(by.css(selector)).all(by.tagName('option'))
    .then(function(options: any) {
      options[index].click();
    });
  if (typeof milliseconds !== 'undefined') {
    browser.sleep(milliseconds);
  }
}


/**
* Usage: selectDropdownByValue (selector, item)
* selector : select element
* item : option(s) in the dropdown.
*/
export async function selectDropdownByValue(selector: string, item: string) {
  // var desiredOption: any;
  return await element(by.css(selector)).sendKeys(item);
}

/**
* Usage: selectRandomDropdownReturnText ( selector, milliseconds)
* selector : select random element
* index : wait time to select value for drop down.
*/
export function selectRandomDropdownReturnText(selector: string, milliseconds: number) {
  element(by.css(selector)).all(by.tagName('option')).then(function(options: any) {
    var randomNumber = Math.floor((Math.random() * options.length
    ));
    options[randomNumber].click();
    return options[randomNumber].getText().then(function(text: string) {
      return text;
    });
  });
  if (typeof milliseconds !== 'undefined') {
    browser.sleep(milliseconds);
  }
}