import { Platform } from 'react-native';

export const isImageSource = (source: any) =>
  // source is an object with uri
  (typeof source === 'object' &&
    source !== null &&
    Object.prototype.hasOwnProperty.call(source, 'uri') &&
    typeof source.uri === 'string') ||
  // source is a module, e.g. - require('image')
  typeof source === 'number' ||
  // image url on web
  (Platform.OS === 'web' &&
    typeof source === 'string' &&
    (source.startsWith('data:image') ||
      /\.(bmp|jpg|jpeg|png|gif|svg)$/.test(source)));

export const getIconId = (source: any) => {
  if (
    typeof source === 'object' &&
    source !== null &&
    Object.prototype.hasOwnProperty.call(source, 'uri') &&
    typeof source.uri === 'string'
  ) {
    return source.uri;
  }
  return source;
};

export const isValidIcon = (source: any) =>
  typeof source === 'string' ||
  typeof source === 'function' ||
  isImageSource(source);

export const isEqualIcon = (a: any, b: any) =>
  a === b || getIconId(a) === getIconId(b);