module.exports = {
  getClass: function (classPrefix, size, shape, bordered) {
    var hasPx = (size || '').indexOf('px') > -1;
    var borderSize = hasPx ? 'medium' : size;
    var classNames = [
      classPrefix,
      classPrefix + (shape === 'round' ? '--round' : '--circle'),
      bordered ? classPrefix + '--border' + ' ' + classPrefix + '--border-' + borderSize : '',
      hasPx ? '' : classPrefix + '--' + size,
    ];
    return classNames.join(' ');
  },

  getSize: function (size = 'medium', systemInfo) {
    var res = getRegExp('^([0-9]+)(px|rpx)$').exec(size);

    if (res && res.length >= 3) {
      var px = res[1];
      if (res[2] === 'rpx') {
        px = Math.floor((systemInfo.windowWidth * res[1]) / 750);
      }

      return 'width:' + size + ';height:' + size + ';font-size:' + ((px / 8) * 3 + 2) + 'px';
    }
  },

  getStyles: function (isShow) {
    return isShow ? '' : 'display: none;';
  },
};