pcbjam/tests/e2e/print.spec.ts

import { test, expect } from './utils/fixtures';
import { clickByLabel, waitForWxApp, stableShot } from './utils/element-tracker';

/**
 * wxPrinting Tests
 *
 * KiCad uses wxPrinting for:
 * - Schematic printing
 * - PCB printing
 * - Export to PDF
 *
 * Layout (from button finder):
 * - Description text at top
 * - Buttons at y=95:
 *   - Print Preview: x=425
 *   - Print...: x=550
 *   - Browser Print: x=685
 *   - Page Setup: x=755
 * - Document preview panel
 * - Event log at bottom
 */

test.describe('wxPrinting Tests', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/standalone/print/print_test.html');
    // Deterministic app-readiness: canvas visible + element registry populated
    await waitForWxApp(page);
  });

  test('Print test app loads successfully', async ({ page, testLogger }) => {
    const hasStartupLog = testLogger.consoleLogs.some(log =>
      log.includes('PRINT_TEST') && log.includes('started successfully')
    );

    await stableShot(page, 'print-01-loaded.png');

    expect(testLogger.errors.filter(e => !e.includes('favicon'))).toHaveLength(0);
  });

  test('Document preview panel renders', async ({ page }) => {
    // Take screenshot to verify preview panel shows document content
    await stableShot(page, 'print-02-preview-panel.png');

    // Visual verification - preview panel should show shapes and text
  });

  test('Browser Print button triggers window.print()', async ({ page, testLogger }) => {
    // Mock window.print to track calls
    await page.evaluate(() => {
      (window as any).originalPrint = window.print;
      (window as any).printWasCalled = false;
      window.print = () => {
        console.log('[TEST] window.print() was called');
        (window as any).printWasCalled = true;
      };
    });

    // Click Browser Print button using element registry
    await clickByLabel(page, 'Browser Print');

    // Either the browser-print log appears or window.print was called
    await expect.poll(async () => {
      const printWasCalled = await page.evaluate(() => (window as any).printWasCalled);
      const hasBrowserPrintLog = testLogger.consoleLogs.some(log =>
        log.includes('window.print') || log.includes('browser print')
      );
      return hasBrowserPrintLog || printWasCalled;
    }, { message: 'Browser Print should trigger window.print() or log it' }).toBe(true);

    await stableShot(page, 'print-03-browser-print-clicked.png');

    // Restore original print function
    await page.evaluate(() => {
      window.print = (window as any).originalPrint;
    });
  });

  test('Print Preview button works', async ({ page, testLogger }) => {
    // Click Print Preview button using element registry
    await clickByLabel(page, 'Print Preview');

    await stableShot(page, 'print-04-preview-clicked.png');

    // Check for print preview events
    const hasPreviewLog = testLogger.consoleLogs.some(log =>
      log.includes('Print Preview') || log.includes('PRINTOUT_CALLBACK')
    );

    // Print preview may open a new frame or log messages
    // Either preview opens successfully or we get an error logged
  });

  test('Page Setup button works', async ({ page, testLogger }) => {
    // Click Page Setup button using element registry
    await clickByLabel(page, 'Page Setup');

    await stableShot(page, 'print-05-page-setup-clicked.png');

    // Check for page setup events
    const hasPageSetupLog = testLogger.consoleLogs.some(log =>
      log.includes('Page Setup') || log.includes('page setup')
    );
  });

  test('Print button works', async ({ page, testLogger }) => {
    // Click Print... button using element registry
    await clickByLabel(page, 'Print...');

    await stableShot(page, 'print-06-print-clicked.png');

    // Check for print dialog events
    const hasPrintLog = testLogger.consoleLogs.some(log =>
      log.includes('Print dialog') || log.includes('Opening Print')
    );
  });

  test('Printout callbacks are triggered', async ({ page, testLogger }) => {
    // Try to trigger print preview to see callbacks
    await clickByLabel(page, 'Print Preview');

    // Verify printout callbacks were triggered
    await expect.poll(() =>
      testLogger.consoleLogs.filter(log => log.includes('PRINTOUT_CALLBACK')).length,
      { message: 'Print Preview should trigger PRINTOUT_CALLBACK logs' }
    ).toBeGreaterThan(0);

    await stableShot(page, 'print-07-callbacks.png');
  });

  test('No JavaScript errors during print operations', async ({ page, testLogger }) => {
    // Button labels to click
    const buttonLabels = ['Print Preview', 'Print...', 'Browser Print', 'Page Setup'];

    // Mock window.print to prevent actual print dialog
    await page.evaluate(() => {
      (window as any).originalPrint = window.print;
      window.print = () => console.log('[MOCK] window.print() called');
    });

    // Click each button using element registry
    for (const label of buttonLabels) {
      await clickByLabel(page, label);
      await page.waitForTimeout(500); // eslint-disable-line -- documented interaction dwell: let each button's dialog/preview settle before clicking the next; no single uniform per-button observable to poll
    }

    await stableShot(page, 'print-08-all-buttons.png');

    // Restore window.print
    await page.evaluate(() => {
      window.print = (window as any).originalPrint;
    });

    // Filter out favicon and any expected errors
    const realErrors = testLogger.errors.filter(e =>
      !e.includes('favicon') &&
      !e.includes('printer error') && // Expected if no printer configured
      !e.includes('not available')
    );

    expect(realErrors).toHaveLength(0);
  });
});