"use client";

import { useTranslation } from "react-i18next";

type DocPageKey =
  | "overview"
  | "delivery"
  | "quickstart"
  | "fundamentals"
  | "setup"
  | "sso"
  | "iframe"
  | "wallet"
  | "transfer"
  | "errors"
  | "troubleshooting"
  | "golive";

const INTEGRATION_DOCS_NS = "integrationDocs";

function asStringArray(value: unknown): string[] {
  return Array.isArray(value) ? value.filter((item): item is string => typeof item === "string") : [];
}

function asStringMatrix(value: unknown): string[][] {
  return Array.isArray(value)
    ? value.filter((row): row is string[] => Array.isArray(row) && row.every((cell) => typeof cell === "string"))
    : [];
}

export function useIntegrationDoc(page: DocPageKey) {
  const { t } = useTranslation(INTEGRATION_DOCS_NS);

  return {
    t,
    p: (key: string) => t(`pages.${page}.${key}`, { ns: INTEGRATION_DOCS_NS }),
    rows: (key: string) =>
      asStringMatrix(t(`pages.${page}.${key}`, { returnObjects: true, ns: INTEGRATION_DOCS_NS })),
    list: (key: string) =>
      asStringArray(t(`pages.${page}.${key}`, { returnObjects: true, ns: INTEGRATION_DOCS_NS })),
    header: (key: string) =>
      asStringArray(t(`headers.${key}`, { returnObjects: true, ns: INTEGRATION_DOCS_NS })),
  };
}