// Edits to a generated manifest, as notes: the diff, and the coalescing.
//
// Run with: pnpm test:scripts
import assert from "node:assert/strict";
import { mkdtemp, rm } from "node:fs/promises";
import { tmpdir } from "node:os";
import path from "node:path";
import test from "node:test";
import { readNotes } from "../annotations/store.mjs";
import { editsBetween, editText, recordEdits } from "./edit-notes.mjs";

const m = () => ({
  generatedBy: "polemics/video/make-videos.py",
  render: { fps: 30, chrome: { engine: "hyperframes" } },
  timeline: [
    { type: "clip", id: "a", start: 1, end: 5, quote: "q" },
    { type: "clip", id: "b", start: 10, end: 15 },
    { type: "card", id: "k" },
  ],
  posts: [{ id: "p1", text: "t", attachTo: "a" }],
  ledger: [{ id: "c1", scope: "x" }],
});

test("editsBetween names each change by entry and field", () => {
  const before = m();
  const after = m();
  after.timeline[0].quote = "new";
  after.timeline[0].start = 2;
  after.timeline = [after.timeline[1], after.timeline[0], { type: "card", id: "k2" }];
  after.posts[0].attachTo = "b";
  after.ledger[0].scope = "y";
  after.render.chrome.layout = "deck";
  const e = editsBetween(before, after);
  const keyOf = (x) => `${x.entry ?? ""}|${x.field}`;
  assert.deepEqual(
    e.map(keyOf).sort(),
    ["a|quote", "a|start", "c1|ledger.scope", "k2|timeline+", "k|timeline-", "p1|posts.attachTo", "|render.chrome", "|timeline.order"].sort(),
  );
  const quote = e.find((x) => x.field === "quote");
  assert.deepEqual([quote.from, quote.to], ["q", "new"]);
  assert.deepEqual(editsBetween(before, m()), []);
  assert.match(editText({ entry: "a", field: "quote" }, "gen.py"), /^a quote changed in umtool\. Port it into the inputs of gen\.py/);
});

test("recordEdits adds, coalesces, and deletes a note an edit put back", async () => {
  const dir = await mkdtemp(path.join(tmpdir(), "umtool-editnotes-"));
  const target = {
    file: path.join(dir, "notes.json"),
    subject: { kind: "video-project", project: "x/y" },
    source: async () => ({ manifest: "~/x/y/video.manifest.json" }),
  };
  try {
    let c = await recordEdits(target, [{ entry: "a", field: "start", from: 1, to: 2 }], "gen.py");
    assert.deepEqual([c.added, c.updated, c.deleted], [1, 0, 0]);
    c = await recordEdits(target, [{ entry: "a", field: "start", from: 2, to: 3 }], "gen.py");
    assert.deepEqual([c.added, c.updated], [0, 1]);
    let doc = (await readNotes(target.file)).doc;
    assert.equal(doc.notes.length, 1);
    assert.deepEqual([doc.notes[0].anchor.from, doc.notes[0].anchor.to], [1, 3]);
    assert.equal(doc.source.manifest, "~/x/y/video.manifest.json");
    c = await recordEdits(target, [{ entry: "a", field: "start", from: 3, to: 1 }], "gen.py");
    assert.equal(c.deleted, 1);
    assert.equal((await readNotes(target.file)).doc, null);
  } finally {
    await rm(dir, { recursive: true });
  }
});