utilities.ts

import type {
  DateOrIsoDateString,
  DateTimeFilters,
  IsoDateString
} from './types.js'

export function formatDateTime(
  dateOrIsoDateString: DateOrIsoDateString
): IsoDateString {
  if (typeof dateOrIsoDateString === 'string') {
    return dateOrIsoDateString
  }

  const isoDateString = dateOrIsoDateString.toISOString()

  if (isoDateString.length === 24) {
    return (isoDateString.slice(0, -5) + 'Z') as IsoDateString
  }

  return isoDateString as IsoDateString
}

export function formatDateTimeFiltersParameters(
  dateTimeFilters: DateTimeFilters = {}
): Record<string, string> {
  const parameters = {}

  if (dateTimeFilters.publishedMin !== undefined) {
    parameters['published-min'] = formatDateTime(dateTimeFilters.publishedMin)
  }

  if (dateTimeFilters.publishedMax !== undefined) {
    parameters['published-max'] = formatDateTime(dateTimeFilters.publishedMax)
  }

  if (dateTimeFilters.updatedMin !== undefined) {
    parameters['updated-min'] = formatDateTime(dateTimeFilters.updatedMin)
  }

  if (dateTimeFilters.updatedMax !== undefined) {
    parameters['updated-max'] = formatDateTime(dateTimeFilters.updatedMax)
  }

  return parameters
}