import assert from "node:assert/strict";
import test from "node:test";
import {
  defaultSidebarOpen,
  shouldHandleSidebarShortcut,
  sidebarViewportForWidth,
} from "../src/lib/sidebar-state.ts";
import { beginSessionPageLoad, mergeSessionPage } from "../src/lib/session-groups.ts";
import { homeSurface } from "./home-surface.ts";

test("classifies the exact sidebar breakpoints", () => {
  assert.equal(sidebarViewportForWidth(0), "mobile");
  assert.equal(sidebarViewportForWidth(767), "mobile");
  assert.equal(sidebarViewportForWidth(768), "tablet");
  assert.equal(sidebarViewportForWidth(1023), "tablet");
  assert.equal(sidebarViewportForWidth(1024), "desktop");
});

test("uses the approved reload defaults", () => {
  assert.equal(defaultSidebarOpen("mobile"), false);
  assert.equal(defaultSidebarOpen("tablet"), false);
  assert.equal(defaultSidebarOpen("desktop"), true);
});

test("accepts Command or Control B only outside editable controls", () => {
  const shortcut = { key: "b", metaKey: true, ctrlKey: false, altKey: false, shiftKey: false };

  assert.equal(shouldHandleSidebarShortcut({ ...shortcut, target: null }), true);
  assert.equal(shouldHandleSidebarShortcut({ ...shortcut, target: { tagName: "TEXTAREA" } }), false);
  assert.equal(shouldHandleSidebarShortcut({ ...shortcut, target: { isContentEditable: true } }), false);
  assert.equal(shouldHandleSidebarShortcut({ ...shortcut, key: "k", target: null }), false);
});

test("renaming a session does not bump updatedAt", () => {
  assert.match(homeSurface, /const nextSession = \{ \.\.\.session, title \};/);
  assert.doesNotMatch(homeSurface, /const nextSession = \{ \.\.\.session, title, updatedAt: timestamp\(\) \};/);
});

test("loadMoreSessions merges by id and only starts one in-flight request", () => {
  const inFlight = { current: false };
  assert.equal(beginSessionPageLoad(inFlight, "cursor-1"), true);
  assert.equal(beginSessionPageLoad(inFlight, "cursor-1"), false);
  const merged = mergeSessionPage(
    [{ id: "keep", updatedAt: 900 }],
    [{ id: "keep", updatedAt: 1 }, { id: "next", updatedAt: 2 }],
  );
  assert.deepEqual(merged.map((item) => item.id), ["keep", "next"]);
  assert.equal(merged[0]?.updatedAt, 900);
});