import { test, expect } from "bun:test";
import { buildCommitMessage, noreplyEmail } from "./a31_commit_meta.ts";

test("buildCommitMessage emits the expected subject + trailer", () => {
  const msg = buildCommitMessage({
    title: "S — Sorted",
    author: "syntaxai",
    filePath: "content/sama/sorted.md",
  });
  const lines = msg.split("\n");
  expect(lines[0]).toBe("edit content/sama/sorted.md via web");
  expect(msg).toContain("Submitted by syntaxai via the tdd.md self-hosted editor.");
});

test("buildCommitMessage filePath is the only thing on the subject line", () => {
  // Important: keeps `git log --oneline` readable. No author / no SHA
  // hint in the subject — that's all in the body / trailers / metadata.
  const msg = buildCommitMessage({
    title: "ignored title",
    author: "syntaxai",
    filePath: "content/blog/some-post.md",
  });
  const subject = msg.split("\n")[0];
  expect(subject).toBe("edit content/blog/some-post.md via web");
  expect(subject).not.toContain("syntaxai");
  expect(subject).not.toContain("ignored title");
});

test("noreplyEmail prefers the github-id form when available", () => {
  expect(noreplyEmail("syntaxai", 12766340)).toBe(
    "12766340+syntaxai@users.noreply.github.com",
  );
});

test("noreplyEmail falls back to login-only when id is unknown", () => {
  expect(noreplyEmail("syntaxai")).toBe("syntaxai@users.noreply.github.com");
});