export default () => key => {
  if (key.startsWith('Status:')) {
    return function(itemA, itemB) {
      const [, dir] = key.split(':');
      let a, b;
      if (dir === 'asc') {
        a = itemA;
        b = itemB;
      } else {
        b = itemA;
        a = itemB;
      }
      const statusA = a.Status;
      const statusB = b.Status;
      switch (statusA) {
        case 'passing':
          // a = passing
          // unless b is also passing then a is less important
          return statusB === 'passing' ? 0 : 1;
        case 'critical':
          // a = critical
          // unless b is also critical then a is more important
          return statusB === 'critical' ? 0 : -1;
        case 'warning':
          // a = warning
          switch (statusB) {
            // b is passing so a is more important
            case 'passing':
              return -1;
            // b is critical so a is less important
            case 'critical':
              return 1;
            // a and b are both warning, therefore equal
            default:
              return 0;
          }
      }
      return 0;
    };
  }
  return key;
};