import test from "node:test";
import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";

async function readSource(path: string) {
  return readFile(new URL(path, import.meta.url), "utf8");
}

test("ProjectDetailActivity keeps a rendered project snapshot for append-only realtime message patches", async () => {
  const source = await readSource("../android/app/src/main/java/com/hyzq/boss/ProjectDetailActivity.java");

  assert.match(
    source,
    /private @Nullable JSONObject currentRenderedProjectPayload;/,
    "expected chat page to keep the latest rendered project payload for incremental realtime diffs",
  );
  assert.match(
    source,
    /if \(tryAppendRealtimeMessagesPatch\(projectMessagesPayload\)\) \{\s*return true;\s*\}/,
    "expected chat page to try an append-only realtime patch before falling back to a full message rerender",
  );
  assert.match(
    source,
    /private boolean tryAppendRealtimeMessagesPatch\(JSONObject projectMessagesPayload\)/,
    "expected chat page to expose a dedicated append-only realtime patch helper",
  );
  assert.match(
    source,
    /appendContent\(buildMessageView\(message\)\);/,
    "expected append-only realtime patches to add only the new message views",
  );
});