import assert from "node:assert/strict";
import test from "node:test";
import { renderToStaticMarkup } from "react-dom/server";
import { createElement } from "react";
import {
  parseReleasePost,
  RELEASE_NEWS_CHANNEL,
  RELEASE_WEBHOOK_ID,
} from "../shared/changelog";
import { readChangelogFeed } from "../lib/changelog-feed";
import { ReleaseNotes } from "../components/ReleaseNotes";

const post = (content: string) => ({
  id: "1561021045211660402",
  channel_id: RELEASE_NEWS_CHANNEL,
  webhook_id: RELEASE_WEBHOOK_ID,
  timestamp: "2026-10-20T08:00:00Z",
  content,
});

test("release posts remove roles, punctuation and each published footer format", () => {
  for (const kind of ["Alpha", "Beta", "Production", "Bug fix"]) {
    for (const footer of [
      "<https://minegeo.site>",
      "<https://minegeo.site/>",
      '[https://minegeo.site/](https://minegeo.site/ "https://minegeo.site/")',
    ]) {
      const entry = parseReleasePost(
        post(
          `<@&1558052962817933322>, <@&1558053208008433705>.\n## MineGeo 1.0.4.1 ${kind}\n\nA new release. 😄\n\n- **Fixed:** Shared timers.\n\nPLAY THE MINEGEO AT: ${footer}`,
        ),
      );
      assert.equal(entry?.kind, kind);
      assert.equal(
        entry?.body,
        "A new release. 😄\n\n- **Fixed:** Shared timers.",
      );
      assert.equal(entry?.version, "1.0.4.1");
    }
  }
});

test("only the release webhook's complete release posts appear", () => {
  const valid = post("## MineGeo 1.0.4 Beta\nHello");
  assert.equal(
    parseReleasePost({ ...valid, webhook_id: "111111111111111111" }),
    null,
  );
  assert.equal(parseReleasePost({ ...valid, webhook_id: undefined }), null);
  assert.equal(parseReleasePost({ ...valid, timestamp: "invalid" }), null);
  assert.equal(
    parseReleasePost(post("## Community tournament\nStarts soon")),
    null,
  );
  assert.equal(parseReleasePost(post("## MineGeo 1.0.4 Beta\n")), null);
});

test("release headings can include a descriptive subtitle", () => {
  const entry = parseReleasePost(
    post(
      "## MineGeo 1.0.5 Beta — Changelog Update\n\nA new release.\n\nPLAY THE MINEGEO AT: <https://minegeo.site/>",
    ),
  );
  assert.equal(entry?.title, "MineGeo 1.0.5 Beta — Changelog Update");
  assert.equal(entry?.body, "A new release.");
});

test("feed uses only GET, preserves older pagination through non-release posts", async () => {
  let calls = 0;
  const request: typeof fetch = async (url, options) => {
    calls++;
    assert.equal(options?.method, "GET");
    assert.equal(
      new URL(String(url)).searchParams.get("before"),
      "1661021045211660402",
    );
    assert.equal(
      new Headers(options?.headers).get("Authorization"),
      "Bot test-token",
    );
    const posts = Array.from({ length: 100 }, (_, i) => ({
      ...post("Tournament news"),
      id: String(1561021045211660500n - BigInt(i)),
    }));
    posts[0].content = "## MineGeo 1.0.4 Beta\n- **New:** Void";
    return Response.json(posts);
  };
  const feed = await readChangelogFeed({
    token: "test-token",
    request,
    before: "1661021045211660402",
  });
  assert.equal(calls, 1);
  assert.equal(feed.entries.length, 1);
  assert.equal(feed.before, "1561021045211660401");
});

test("feed fails cleanly on denied access, rate limits and wrong channel data", async () => {
  for (const status of [401, 403, 429, 500]) {
    await assert.rejects(
      readChangelogFeed({
        token: "test",
        request: async () => new Response("", { status }),
      }),
    );
  }
  await assert.rejects(
    readChangelogFeed({
      token: "test",
      request: async () =>
        Response.json([{ ...post("test"), channel_id: "other" }]),
    }),
  );
});

test("redacted webhook messages are unavailable rather than an empty release history", async () => {
  await assert.rejects(
    readChangelogFeed({
      token: "test",
      request: async () => Response.json([post("")]),
    }),
    /Message Content/,
  );
});

test("release Markdown renders emphasis and safe links, escaping executable HTML", () => {
  const html = renderToStaticMarkup(
    createElement(ReleaseNotes, {
      body: "- **New:** Void\n- <script>alert(1)</script>\n\n[Guide](https://minegeo.site/docs) [bad](javascript:alert)",
    }),
  );
  assert.match(html, /<strong>New:<\/strong>/);
  assert.match(html, /&lt;script&gt;/);
  assert.match(html, /href="https:\/\/minegeo.site\/docs"/);
  assert.doesNotMatch(html, /href="javascript:/);
});