const { app, BrowserWindow } = require('electron');
const path = require('path');
const os = require('os');
const fs = require('fs');

const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'ink-test-rename-'));
const vault = path.join(tmp, 'Vault');
fs.mkdirSync(vault);

fs.writeFileSync(path.join(vault, 'A.md'), '# Target\n');
fs.writeFileSync(path.join(vault, 'B.md'), 'Go to [[A#Target]]\n');

app.setPath('userData', tmp);
fs.writeFileSync(path.join(tmp, 'settings.json'), JSON.stringify({ vault, lastPage: 'A', bounds: { width: 1280, height: 860 } }));
require('../electron/main.cjs');

const sleep = (ms) => new Promise((r) => setTimeout(r, ms));

app.whenReady().then(async () => {
  let win;
  for (let i = 0; i < 80 && !(win = BrowserWindow.getAllWindows()[0]); i++) await sleep(100);
  const wc = win.webContents;
  if (wc.isLoading()) await new Promise((r) => wc.once('did-finish-load', r));
  const js = (code) => wc.executeJavaScript(`(async () => { ${code} })()`);
  
  await sleep(1000);
  // Change heading in A
  await js(`
    const el = document.querySelector('.b-h1 .c');
    el.textContent = 'New Target';
    const evt = new Event('input', { bubbles: true });
    el.dispatchEvent(evt);
  `);
  // Trigger blur to save
  await js(`
    const el = document.querySelector('.b-h1 .c');
    el.blur();
  `);
  await sleep(3000); // Wait for heading renames to commit (2000ms delay)
  
  // Read B
  const b = fs.readFileSync(path.join(vault, 'B.md'), 'utf8');
  console.log("B content:", b);
  app.exit();
});