import * as z from "zod";

export const glossaryKinds = ["character", "weapon", "artifact"] as const;
export type GlossaryKind = (typeof glossaryKinds)[number];

export const glossaryAliasInputSchema = z.strictObject({
  kind: z.enum(glossaryKinds),
  catalogKey: z.string().trim().min(1).max(64),
  alias: z.string().trim().min(1).max(120),
});

export function normalizeGlossaryAlias(value: string): string {
  return value.trim().normalize("NFKC").toLocaleLowerCase("th");
}

export function aliasesByItem(
  rows: ReadonlyArray<{ kind: string; catalogKey: string; alias: string }>,
): Record<GlossaryKind, Map<string, string[]>> {
  const result: Record<GlossaryKind, Map<string, string[]>> = {
    character: new Map(),
    weapon: new Map(),
    artifact: new Map(),
  };
  for (const row of rows) {
    if (!glossaryKinds.includes(row.kind as GlossaryKind)) continue;
    const kind = row.kind as GlossaryKind;
    const current = result[kind].get(row.catalogKey) ?? [];
    current.push(row.alias);
    result[kind].set(row.catalogKey, current);
  }
  return result;
}