import test from "node:test";
import assert from "node:assert/strict";
import { cacheKey, normalizeUrl, canonicalOptions } from "../src/cacheKey.js";

test("normalizeUrl: canonicalizes scheme/host/port/trailing-slash/fragment/query", () => {
  assert.equal(normalizeUrl("HTTPS://Example.com:443/foo/#frag"), "https://example.com/foo");
  assert.equal(normalizeUrl("http://example.com:80/"), "http://example.com/");
  assert.equal(normalizeUrl("https://x.com"), "https://x.com/");
  assert.equal(normalizeUrl("https://example.com/a?b=2&a=1"), "https://example.com/a?a=1&b=2");
  assert.equal(normalizeUrl("not a url"), "not a url");
});

test("cacheKey: stable for equivalent input, varies by options + compilerVersion", () => {
  const k1 = cacheKey("https://x.com/", { mode: "single", styling: "tailwind" }, "0.1.0");
  const k2 = cacheKey("https://x.com", { mode: "single", styling: "tailwind" }, "0.1.0");
  assert.equal(k1, k2, "trailing slash is normalized away");

  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "multi", styling: "tailwind" }, "0.1.0"), "mode changes the key");
  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "single", styling: "css" }, "0.1.0"), "styling changes the key");
  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "single", styling: "tailwind", framework: "vite" }, "0.1.0"), "framework changes the key");
  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "single", styling: "tailwind" }, "0.2.0"), "version bump invalidates");
  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "single", styling: "tailwind", verify: true }, "0.1.0"), "verify is part of the key");
  assert.notEqual(k1, cacheKey("https://x.com/", { mode: "single", styling: "tailwind", asyncVerify: true }, "0.1.0"), "asyncVerify is part of the key");

  // noCache is a request-time switch, not an output determinant — must not change the key.
  assert.equal(k1, cacheKey("https://x.com/", { mode: "single", styling: "tailwind", noCache: true }, "0.1.0"));
});

test("canonicalOptions: deprecated aliases normalize to product options", () => {
  assert.equal(
    canonicalOptions({ mode: "multi", styling: "css" }),
    canonicalOptions({ multiPage: true, humanizeMode: "css" }),
  );
});

test("canonicalOptions: sorts viewports and is stable", () => {
  assert.equal(
    canonicalOptions({ viewports: [1920, 375, 768] }),
    canonicalOptions({ viewports: [375, 768, 1920] }),
  );
});