import test from "node:test";
import assert from "node:assert/strict";
import { readFileSync, readdirSync } from "node:fs";
import { createHash } from "node:crypto";
import { load } from "cheerio";

const html = readFileSync("public/mindco.html", "utf8");
const $ = load(html);
const css = readFileSync("public/mindco.css", "utf8");
const js = readFileSync("public/mindco.js", "utf8");

test("mindco is a standalone noindex experiment with a real services link", () => {
  assert.equal($('meta[name="robots"]').attr("content"), "noindex, nofollow");
  assert.equal($("h1").attr("aria-label"), "mindco");
  assert.equal($(".tagline").attr("href"), "https://cameron.stream/services");
  assert.equal($(".tagline span").text(), "Make AI simple");
  assert.equal($("nav, img, iframe").length, 0);
  assert.match(html, /not a claim of name availability/);
  assert.match(readFileSync("src/index.tsx", "utf8"), /c.header\("X-Robots-Tag", "noindex, nofollow"\)/);
});

test("palette controls are labeled, copyable, fixed-hue and geometry-preserving", () => {
  for (const id of ["mode", "chroma", "lightness"]) {
    assert.equal($(`label[for="${id}"]`).length, 1);
    assert.equal($(`#${id}`).length, 1);
  }
  for (const name of ["clay", "ochre", "patina"]) {
    assert.equal($(`#${name}-value[readonly]`).length, 1);
  }
  assert.equal($("#copy-status").attr("role"), "status");
  assert.match(js, /const hues = \[35, 85, 185\]/);
  assert.match(js, /o.style.fill = paint/);
  assert.match(js, /o.style.stroke = paint/);
  assert.doesNotMatch(css, /background-clip|text-stroke:\s*0/);
  assert.match(css, /prefers-reduced-motion/);
});

test("only the byte-identical upstream variable Comfortaa and its OFL are distributed", () => {
  const directory = "public/fonts/comfortaa";
  assert.deepEqual(readdirSync(directory).sort(), ["Comfortaa.ttf", "OFL.txt"]);
  assert.equal(createHash("sha256").update(readFileSync(`${directory}/Comfortaa.ttf`)).digest("hex"),
    "0fc3f45dc48b614db9c39181502544b37217ecbf8bee2fb35886992bc96c5bd3");
  const license = readFileSync(`${directory}/OFL.txt`, "utf8");
  assert.match(license, /Copyright 2011 The Comfortaa Project Authors/);
  assert.match(license, /Reserved Font Name "Comfortaa"/);
  assert.match(license, /SIL OPEN FONT LICENSE Version 1.1/);
  assert.match(html, /font license applies to the font, not this wordmark or site code/);
});