/**
 * Opening an asset (double-click, Enter, creating one) is selecting it plus a request for its tab.
 * The editor switches on `open`, never on `selection` alone – so the order and the "already
 * selected" case are what matter here.
 */
import { describe, expect, it } from 'vitest';
import { CreateAssetCommand } from '../../src/core/commands/assetCommands';
import { createEmptyProject } from '../../src/core/model/Project';
import { EditorState } from '../../src/editor/state';

function setup(): { state: EditorState; assetId: string; events: string[] } {
  const state = new EditorState();
  state.loadProject(createEmptyProject('p', 'P'), 1);
  const create = new CreateAssetCommand('behavior', 'B');
  expect(state.execute(create)).toBe(true);
  const events: string[] = [];
  state.on('selection', () => events.push('selection'));
  state.on('open', () => events.push('open'));
  return { state, assetId: create.asset.id, events };
}

describe('opening an asset', () => {
  it('selects it first and asks for the tab after, so the tab finds the selection in place', () => {
    const { state, assetId, events } = setup();
    state.openAsset(assetId);
    expect(state.selection).toEqual({ kind: 'asset', assetId });
    expect(events).toEqual(['selection', 'open']);
  });

  it('still asks for the tab when the asset was selected already – a click did not open it', () => {
    const { state, assetId, events } = setup();
    state.select({ kind: 'asset', assetId });
    events.length = 0;
    state.openAsset(assetId);
    expect(events).toEqual(['open']);
  });

  it('never fires on a plain selection', () => {
    const { state, assetId, events } = setup();
    state.select({ kind: 'asset', assetId });
    expect(events).toEqual(['selection']);
  });
});