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

const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'ink-e2e-'));
const vaultDir = path.join(tmp, 'Vault');
fs.mkdirSync(vaultDir);

app.setPath('userData', tmp);
fs.writeFileSync(path.join(tmp, 'settings.json'), JSON.stringify({ vault: vaultDir }));

require('../electron/main.cjs');

app.whenReady().then(async () => {
  while (BrowserWindow.getAllWindows().length === 0) {
    await new Promise(r => setTimeout(r, 100));
  }
  const win = BrowserWindow.getAllWindows()[0];
  
  let ok = false;
  for (let i = 0; i < 50; i++) {
    await new Promise(r => setTimeout(r, 100));
    if (win.isDestroyed()) break;
    const hasBtn = await win.webContents.executeJavaScript(`!!document.querySelector('[aria-label="New page"]')`).catch(() => false);
    if (hasBtn) { ok = true; break; }
  }
  
  // Click 'New page'
  await win.webContents.executeJavaScript(`
    document.querySelector('[aria-label="New page"]').click();
  `);
  
  // Wait for the Template picker
  let templateReady = false;
  for (let i = 0; i < 50; i++) {
    await new Promise(r => setTimeout(r, 100));
    templateReady = await win.webContents.executeJavaScript(`!!document.querySelector('[aria-label="Templates"]')`).catch(() => false);
    if (templateReady) break;
  }
  
  assert.strictEqual(templateReady, true, "Template picker didn't open");
  
  // Click 'Blank Page'
  await win.webContents.executeJavaScript(`
    document.querySelector('.tpl-card[data-blank]').click();
  `);
  
  // Wait for the page to render
  for (let i = 0; i < 50; i++) {
    await new Promise(r => setTimeout(r, 100));
    const isReady = await win.webContents.executeJavaScript(`!!document.querySelector('.cover-btn')`).catch(() => false);
    if (isReady) break;
  }

  await win.webContents.executeJavaScript(`
    document.querySelector('.cover-btn').click();
  `);
  
  // Wait for the popup to render
  let popupReady = false;
  for (let i = 0; i < 50; i++) {
    await new Promise(r => setTimeout(r, 100));
    popupReady = await win.webContents.executeJavaScript(`!!document.querySelector('.cover-picker')`).catch(() => false);
    if (popupReady) break;
  }
  
  assert.strictEqual(popupReady, true, "Cover picker didn't open");
  console.log('e2e tests passed!');
  app.quit();
});