import { describe, expect, it } from "vitest";
import { draftFromForm, postFields } from "../src/posts.ts";

const form = (pairs: [string, string][]) => new URLSearchParams(pairs);

describe("post form", () => {
  const d = draftFromForm(
    form([
      ["title", " Pouring galaxy dice "],
      ["date", "2026-10-12"],
      ["topic", "Making"],
      ["postType", "article"],
      ["summary", "How the set came together."],
      ["cover", "[[galaxy.jpg]]"],
      ["links", "Resin"],
      ["links", "[[Galaxy dice]]"],
      ["links", ""],
      ["role", "Ignored for articles"],
      ["body", "Line one\r\nLine two"],
    ]),
  );

  it("reads the form into a draft", () => {
    expect(d).toMatchObject({ title: "Pouring galaxy dice", cover: "galaxy.jpg", links: ["Resin", "Galaxy dice"], body: "Line one\nLine two" });
  });

  it("writes note fields, with links and the cover as wikilinks", () => {
    expect(postFields(d, true, false)).toEqual({
      title: "Pouring galaxy dice",
      date: "2026-10-12",
      topic: "Making",
      postType: "article",
      summary: "How the set came together.",
      publish: true,
      cover: "[[galaxy.jpg]]",
      links: ["[[Resin]]", "[[Galaxy dice]]"],
    });
  });

  it("clears emptied fields on an update", () => {
    const f = postFields({ ...d, cover: "", links: [] }, false, true);
    expect(f).toMatchObject({ cover: null, links: null, pinned: null, role: null, publish: false });
  });
});