import fs from 'node:fs/promises';
import path from 'node:path';
import assert from 'node:assert/strict';
import { NativeCanvas } from '../src/native-bridge.mjs';
import { atomic } from '../src/store.mjs';
const config = JSON.parse(await fs.readFile(process.argv[2], 'utf8'));
const canvas = await NativeCanvas.connect(config.canvas);
const cmd = (command, params = {}) => canvas.call('engine.execute', { command, params });
const flatten = layers => layers.flatMap(layer => { const { children, selected, ...row } = layer; return [row, ...flatten(children || [])]; });
try {
  const current = await canvas.call('jiansun.state');
  if (current.busy || current.queued) throw Error('先等待模型阶段结束，不中断原任务');
  const edited = await cmd('document.inspect');
  assert.equal(flatten(edited.layers).find(l => l.id === 16).text.text, '温润质感');
  await cmd('edit.undo');
  const unmoved = await cmd('document.inspect');
  assert.equal(flatten(unmoved.layers).find(l => l.id === 16).text.text, '温润质感');
  await cmd('edit.undo');
  const original = await cmd('document.inspect');
  const oldTitle = flatten(original.layers).find(l => l.id === 16), newTitle = flatten(edited.layers).find(l => l.id === 16);
  assert.equal(oldTitle.text.text, '实木电脑桌');
  assert.equal(newTitle.text.font, oldTitle.text.font); assert.equal(newTitle.text.sizePt, oldTitle.text.sizePt);
  assert.deepEqual(flatten(original.layers).filter(l => l.id !== 16), flatten(edited.layers).filter(l => l.id !== 16));
  await cmd('edit.redo'); await cmd('edit.redo');
  const redone = await cmd('document.inspect');
  assert.deepEqual(flatten(redone.layers), flatten(edited.layers));
  await canvas.call('ui.screenshot', { path: path.join(config.output, 'pi-undo-redo.png'), focus: false });
  await canvas.call('app.save', { path: path.join(path.dirname(config.output), 'canvas/pi-1440-local.pcraft') });
  const result = { passed: true, width: edited.width, height: edited.height, target: 16, originalText: oldTitle.text.text, changedText: newTitle.text.text, font: newTitle.text.font, fontSizePt: newTitle.text.sizePt, otherLayersUnchanged: true, undoAndRedoExact: true, history: edited.history };
  await atomic(path.join(config.output, 'real-model-undo-redo.json'), result);
  console.log(JSON.stringify(result, null, 2));
} finally { canvas.close(); }