export type OperationType =
  | 'lessThan'
  | 'lessOrEqual'
  | 'equals'
  | 'greaterOrEqual'
  | 'notEquals'

export type FilterType = {
  fields?: {
    [key: string]: {
      operation: OperationType
      value: string
    }
  }
  sort?: string
}

export const filterFormatter = (filter: FilterType) => {
  const filters =
    filter.fields &&
    Object.entries(filter.fields).map(
      (value) => `filter[${value[0]}]=${value[1].operation}:${value[1].value}`,
    )

  return filter.sort
    ? filters
      ? `${filters.join('&')}&sort=${filter.sort}`
      : `sort=${filter.sort}`
    : filters && filters.join('&')
}