"use strict";

const test = require("node:test");
const assert = require("node:assert/strict");
const { characterMap, transliterate } = require("../transliterate.js");

test("maps every modern Russian uppercase and lowercase letter", () => {
  const russian = "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдеёжзийклмнопрстуфхцчшщъыьэюя";
  const expected = "ⰀⰁⰂⰃⰄⰅⰦⰆⰈⰉⰋⰍⰎⰏⰐⰑⰒⰓⰔⰕⰖⰗⰘⰜⰝⰞⰛⰟⰟⰉⰠⰅⰣⰡⰰⰱⰲⰳⰴⰵⱖⰶⰸⰹⰻⰽⰾⰿⱀⱁⱂⱃⱄⱅⱆⱇⱈⱌⱍⱎⱋⱏⱏⰹⱐⰵⱓⱑ";

  assert.equal(characterMap.size, 66);
  assert.equal(transliterate(russian), expected);
});

test("uses the configured yer, yeri, yestu, and yati conventions", () => {
  assert.equal(transliterate("ЬЪЫЕЭЯ ьъыеэя"), "ⰠⰟⰟⰉⰅⰅⰡ ⱐⱏⱏⰹⰵⰵⱑ");
});

test("preserves case, punctuation, spacing, digits, and non-Russian text", () => {
  assert.equal(
    transliterate("Привет, мир! Ёж № 5 — JavaScript."),
    "Ⱂⱃⰹⰲⰵⱅ, ⰿⰹⱃ! Ⱖⰶ № 5 — JavaScript."
  );
});

test("leaves already Glagolitic and unmapped Cyrillic letters unchanged", () => {
  const text = "Ⰳⰾⰰⰳⱁⰾⰹⱌⰰ · ІЇЄҐЎЅ · 123";
  assert.equal(transliterate(text), text);
});