#!/usr/bin/env node
/*
 * copy-gate.test.mjs — COPY1..COPY6, the UI-SPEC copy gate (mirrors bot CS1-CS3).
 * --------------------------------------------------------------------------------
 * COPY1 locale key-set parity · COPY2/COPY3 verbatim-contract content checks ·
 * COPY4 pickLocale fallback rule · COPY5 no inline copy in shell modules ·
 * COPY6 localeFromInitData over the raw initData string.
 */
import { strict as assert } from "node:assert";
import { readFileSync, readdirSync, existsSync } from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { test } from "./harness.mjs";

const { strings, pickLocale, localeFromInitData } = await import("../src/i18n/strings.ts");

const UI_DIR = path.join(path.dirname(fileURLToPath(new URL(import.meta.url))), "..", "src", "ui");

/* ————— COPY1 — en/ms key-set identity (Phase 2 D-05 precedent) ————— */

test("COPY1 en and ms carry identical key-sets (parity gate, both locales)", () => {
  const enKeys = Object.keys(strings.en).sort();
  const msKeys = Object.keys(strings.ms).sort();
  assert.deepEqual(msKeys, enKeys, "ms missing/duplicated keys vs en (D-05 locale parity)");
  assert.ok(enKeys.length >= 25, `expected the full ShellStrings surface (25 keys), found ${enKeys.length}`);
  assert.ok(enKeys.includes("deniedRegister"), "deniedRegister is a keys — cards.ts renders GEO //");
  assert.ok(enKeys.includes("lostRegister"), "lostRegister is a key — cards.ts renders SYS //");
});

/* ————— COPY2 — denied copy names location ————— */

test("COPY2 the denied copy names location in both locales", () => {
  assert.ok(/location/i.test(strings.en.deniedHeadline), "en denied headline names location");
  assert.ok(/location/i.test(strings.en.deniedBody), "en denied body names location");
  assert.ok(/lokasi/i.test(strings.ms.deniedHeadline), "ms denied headline names lokasi");
  assert.ok(/lokasi/i.test(strings.ms.deniedBody), "ms denied body names lokasi");
});

/* ————— COPY3 — the never-persisted fact is on the boot card ————— */

test("COPY3 the boot-2 body states the never-persisted fact", () => {
  assert.ok(/never written to storage/i.test(strings.en.bootAcquiringBody), "en boot-2 body carries the never-fact");
  assert.ok(/tidak pernah disimpan/i.test(strings.ms.bootAcquiringBody), "ms boot-2 body carries the never-fact");
});

/* ————— COPY4 — pickLocale fallback rule ————— */

test("COPY4 pickLocale: ms and ms-MY select ms; en, en-GB, id, null, and empty string select en", () => {
  assert.equal(pickLocale("ms"), "ms");
  assert.equal(pickLocale("ms-MY"), "ms");
  assert.equal(pickLocale("en"), "en");
  assert.equal(pickLocale("en-GB"), "en");
  assert.equal(pickLocale("id"), "en", "unknown/neighbor locale falls back to en");
  assert.equal(pickLocale(null), "en");
  assert.equal(pickLocale(""), "en");
});

/* ————— COPY5 — no inline copy in the shell ————— */

test("COPY5 no shell module inlines copy — source-introspection grep over web/src/ui/*.ts and web/src/main.ts", () => {
  const banned =
    /Validating session|Acquiring location|TRY AGAIN|ASK VIA CHAT|Location is switched off|Signal lost|MENYEMAK|MENDAPAT|LANGSUNG|GEO \/\/ LOCATION|SYS \/\/ POSITION|BOOT-01 \/\/|BOOT-02 \/\/|CUBA LAGI|MINTA VIA CHAT|ISYARAT HILANG|LOKASI MATI|AWAITING PIN|OpenStreetMap contributors|Recenter map|Tetapkan semula peta/;
  const files = existsSync(UI_DIR)
    ? readdirSync(UI_DIR)
        .filter((f) => f.endsWith(".ts"))
        .map((f) => path.join(UI_DIR, f))
    : [];
  files.push(path.join(UI_DIR, "..", "main.ts")); // the composition root — always scanned
  assert.ok(files.length >= 1, `scanned a real shell tree (found ${files.length} files)`);
  for (const file of files) {
    const src = readFileSync(file, "utf8");
    // The gate scans code AND prose-in-comments alike? No — comments may cite
    // the register labels in their own names (e.g. a header example). Strip
    // block and line comments first: prose is not a call site (GEO3 pattern).
    const code = src
      .replace(/\/\*[\s\S]*?\*\//g, " ")
      .replace(/(^|[^:\\])\/\/[^\n]*/g, "$1");
    const hit = banned.exec(code);
    assert.ok(!hit, `${path.relative(process.cwd(), file)} inlines copy: ${hit && hit[0]} — copy lives only in web/src/i18n/strings.ts`);
  }
});

/* ————— COPY6 — localeFromInitData over the raw initData string ————— */

test("COPY6 localeFromInitData derives the locale from the raw initData string", () => {
  assert.equal(
    localeFromInitData('user=%7B%22language_code%22%3A%22ms%22%7D&auth_date=1&hash=x'),
    "ms",
    "ms language_code inside the signed user field selects ms",
  );
  assert.equal(
    localeFromInitData('user=%7B%22language_code%22%3A%22en-GB%22%7D&auth_date=1&hash=x'),
    "en",
    "en-GB falls back to en",
  );
  assert.equal(localeFromInitData(""), "en", "empty initData falls back to en");
  assert.equal(localeFromInitData("not-initdata"), "en", "no user= component falls back to en");
  assert.equal(localeFromInitData("user=%7Bbad-json"), "en", "decode/JSON failure must not throw");
});