import { prisma } from "@/lib/prisma";
import { CONTENT_REGISTRY, getContentFieldDef, type ContentFieldDef } from "@/lib/content-registry";
import type { Locale } from "@/i18n/config";

/**
 * Liefert den aktuell wirksamen Text fuer einen Registry-Schluessel — den
 * Admin-Override aus SiteContent, falls gepflegt, sonst den urspruenglichen
 * Dictionary-/site-config-Text. Nie leer/undefined, solange der Schluessel in
 * der Registry existiert.
 */
export async function getContentValue(key: string, locale: Locale): Promise<string> {
  const def = getContentFieldDef(key);
  if (!def) return "";

  const row = await prisma.siteContent.findUnique({ where: { key } });
  if (row) {
    const value = def.localized ? (locale === "de" ? row.valueDe : (row.valueEn ?? row.valueDe)) : row.valueDe;
    if (value.trim() !== "") return value;
  }
  return def.getDefault(locale);
}

/** Batch-Variante fuer Seiten, die mehrere Schluessel auf einmal brauchen (ein DB-Roundtrip statt vieler). */
export async function getContentValues(keys: string[], locale: Locale): Promise<Record<string, string>> {
  const rows = await prisma.siteContent.findMany({ where: { key: { in: keys } } });
  const rowsByKey = new Map(rows.map((r) => [r.key, r]));

  const result: Record<string, string> = {};
  for (const key of keys) {
    const def = getContentFieldDef(key);
    if (!def) {
      result[key] = "";
      continue;
    }
    const row = rowsByKey.get(key);
    const overridden = row
      ? def.localized
        ? locale === "de"
          ? row.valueDe
          : (row.valueEn ?? row.valueDe)
        : row.valueDe
      : "";
    result[key] = overridden.trim() !== "" ? overridden : def.getDefault(locale);
  }
  return result;
}

export { parseListSimple, parseListTitled, parseListNumbered, parseSections } from "@/lib/content-parsers";
export { CONTENT_REGISTRY };
export type { ContentFieldDef };