import moment from 'moment';
import {Linking} from 'react-native';
import {BROWSABLE_SOCIAL_URLS, TOGGLE_BUTTON_TYPE} from '../constants';

export const getToggleButtonText: (
  buttonType: string,
  state: boolean,
) => string | null = (buttonType, state) => {
  switch (buttonType) {
    case TOGGLE_BUTTON_TYPE.FRIEND_UNFRIEND:
      return state ? 'Unfriend' : 'Add Friend';
    case TOGGLE_BUTTON_TYPE.BLOCK_UNBLOCK:
      return state ? 'Unblock' : 'Block';
    default:
      return null;
  }
};

export const handleOpenSocialUrlOnBrowser = (
  handle: string | undefined,
  social: string,
) => {
  if (handle && social in BROWSABLE_SOCIAL_URLS) {
    Linking.openURL(BROWSABLE_SOCIAL_URLS[social] + `${handle}/`);
  }
};

//Returns university class just like we would like to display on profile page
export const getUniversityClass = (universityClass: number) => {
  return `Class of ${(universityClass % 2000).toString()}'`;
};

export const getDateAge: (
  date: moment.Moment,
) => 'today' | 'yesterday' | 'thisWeek' | 'unknown' = (date: moment.Moment) => {
  const today = moment().startOf('day');
  const yesterday = moment().subtract(1, 'days').startOf('day');
  const weekOld = moment().subtract(7, 'days').startOf('day');
  if (date.isSame(today, 'd')) {
    return 'today';
  } else if (date.isSame(yesterday, 'd')) {
    return 'yesterday';
  } else if (date.isAfter(weekOld)) {
    return 'thisWeek';
  } else {
    // this can be longer than a week or in the future
    return 'unknown';
  }
};