// The labels each component takes, built from a message lookup. Every key this module's pages use
// is named here and nowhere else, so `__tests__/i18n.test.ts` can run these builders against the
// catalogues and fail on a key either language lacks.

export type Translate = (key: string, values?: Record<string, string | number>) => string

/** The status shape the labels render, declared here: ui reads no core/. */
interface StatusCounts {
  documents: { queued: number; indexing: number; indexed: number; failed: number; cancelled: number }
}

export interface StatusLabels {
  readonly heading: string
  readonly flagOff: string
  readonly state: string
  readonly reasons: string
  readonly indexing: string
  readonly documents: string
}

export function statusLabels(t: Translate, status: StatusCounts): StatusLabels {
  return {
    heading: t("status.heading"),
    flagOff: t("status.flagOff"),
    state: t("status.state"),
    reasons: t("status.reasons"),
    indexing: t("status.indexing"),
    documents: t("status.documents", status.documents),
  }
}

export const serviceStateLabel = (t: Translate, state: string): string => {
  switch (state) {
    case "ready":
      return t("status.stateReady")
    case "indexing":
      return t("status.stateIndexing")
    case "registered":
      return t("status.stateRegistered")
    case "degraded":
      return t("status.stateDegraded")
    case "disabled":
      return t("status.stateDisabled")
    default:
      return t("status.stateUnavailable")
  }
}

export interface SearchFormLabels {
  readonly heading: string
  readonly label: string
  readonly placeholder: string
  readonly submit: string
  readonly busy: string
  readonly empty: string
  readonly results: string
  readonly snippet: string
  readonly source: string
  readonly chunk: string
  readonly disclosure: string
  readonly failed: string
}

export function searchFormLabels(t: Translate, failed: string): SearchFormLabels {
  return {
    heading: t("search.heading"),
    label: t("search.label"),
    placeholder: t("search.placeholder"),
    submit: t("search.submit"),
    busy: t("search.busy"),
    empty: t("search.empty"),
    results: t("search.results", { count: "{count}" }),
    snippet: t("search.snippet"),
    source: t("search.source"),
    chunk: t("search.chunk", { chunk: "{chunk}" }),
    disclosure: t("search.disclosure"),
    failed,
  }
}