/*
 * © 2024 AxonOps Limited. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const electron = require('electron');
const { 
  app, 
  BrowserWindow, 
  dialog, 
  shell, 
  clipboard, 
  Menu, 
  MenuItem,
  Tray,
  Notification,
  powerMonitor,
  powerSaveBlocker,
  protocol,
  session,
  systemPreferences,
  webContents,
  globalShortcut,
  screen,
  nativeImage
} = electron;

describe('Electron API Coverage Tests', () => {
  describe('App API', () => {
    test('should handle app ready state', async () => {
      const promise = app.whenReady();
      app.emit('ready');
      await promise;
      
      expect(app.isReady).toBe(true);
    });

    test('should handle app paths', () => {
      const paths = ['userData', 'appData', 'temp', 'desktop', 'documents', 'downloads', 'home', 'exe', 'module', 'logs'];
      
      paths.forEach(pathName => {
        const path = app.getPath(pathName);
        expect(path).toContain(pathName);
      });
      
      expect(app.getAppPath()).toBe('/mock/app');
    });

    test('should handle app information', () => {
      expect(app.getName()).toBe('MockApp');
      expect(app.getVersion()).toBe('1.0.0');
      expect(app.getLocale()).toBe('en-US');
      expect(app.getLocaleCountryCode()).toBe('US');
    });

    test('should handle single instance lock', () => {
      expect(app.requestSingleInstanceLock()).toBe(true);
      expect(app.hasSingleInstanceLock()).toBe(true);
      app.releaseSingleInstanceLock();
    });

    test('should handle protocol client', () => {
      expect(app.setAsDefaultProtocolClient('myapp')).toBe(true);
      expect(app.removeAsDefaultProtocolClient('myapp')).toBe(true);
      expect(app.isDefaultProtocolClient('myapp')).toBe(false);
    });

    test('should handle login items', () => {
      const settings = app.getLoginItemSettings();
      expect(settings).toHaveProperty('openAtLogin');
      expect(settings).toHaveProperty('openAsHidden');
      
      app.setLoginItemSettings({ openAtLogin: true });
    });

    test('should handle badge count', () => {
      app.setBadgeCount(5);
      expect(app.getBadgeCount()).toBe(0); // Mock returns 0
    });

    test('should handle GPU info', async () => {
      const gpuInfo = await app.getGPUInfo();
      expect(gpuInfo).toEqual({});
      
      const gpuFeatures = app.getGPUFeatureStatus();
      expect(gpuFeatures).toEqual({});
    });

    test('should handle app lifecycle', () => {
      app.focus();
      app.hide();
      app.show();
      app.setName('TestApp');
      app.setAboutPanelOptions({ applicationName: 'Test' });
      app.showAboutPanel();
      
      expect(app.focus).toHaveBeenCalled();
      expect(app.hide).toHaveBeenCalled();
      expect(app.show).toHaveBeenCalled();
    });
  });

  describe('BrowserWindow API', () => {
    let window;

    beforeEach(() => {
      window = new BrowserWindow();
    });

    afterEach(() => {
      if (window && !window.isDestroyed()) {
        window.destroy();
      }
    });

    test('should handle window properties', () => {
      expect(window.id).toBeDefined();
      expect(window.webContents).toBeDefined();
      expect(window.webContents.id).toBeDefined();
    });

    test('should handle window static methods', () => {
      expect(BrowserWindow.getAllWindows()).toEqual([]);
      expect(BrowserWindow.getFocusedWindow()).toBeNull();
      expect(BrowserWindow.fromId(123)).toBeNull();
      
      const newWindow = BrowserWindow.fromWebContents(window.webContents);
      expect(newWindow).toBeInstanceOf(BrowserWindow);
    });

    test('should handle window events', () => {
      window.once('test', jest.fn());
      window.removeListener('test', jest.fn());
      window.removeAllListeners('test');
      
      expect(window.once).toHaveBeenCalled();
      expect(window.removeListener).toHaveBeenCalled();
      expect(window.removeAllListeners).toHaveBeenCalled();
    });
  });

  describe('Dialog API', () => {
    test('should handle message box', async () => {
      const result = await dialog.showMessageBox({
        type: 'info',
        message: 'Test message'
      });
      
      expect(result.response).toBe(0);
    });

    test('should handle error box', () => {
      dialog.showErrorBox('Error', 'Test error');
      expect(dialog.showErrorBox).toHaveBeenCalledWith('Error', 'Test error');
    });

    test('should handle certificate dialog', () => {
      dialog.showCertificateTrustDialog();
      expect(dialog.showCertificateTrustDialog).toHaveBeenCalled();
    });
  });

  describe('Shell API', () => {
    test('should handle shell operations', async () => {
      await shell.openExternal('https://example.com');
      await shell.openPath('/path/to/file');
      shell.showItemInFolder('/path/to/item');
      await shell.moveItemToTrash('/path/to/trash');
      shell.beep();
      
      expect(shell.openExternal).toHaveBeenCalled();
      expect(shell.openPath).toHaveBeenCalled();
      expect(shell.showItemInFolder).toHaveBeenCalled();
      expect(shell.moveItemToTrash).toHaveBeenCalled();
      expect(shell.beep).toHaveBeenCalled();
    });

    test('should handle shortcuts', () => {
      const result = shell.writeShortcutLink('/path/to/shortcut', 'create', {});
      expect(result).toBe(true);
      
      const shortcut = shell.readShortcutLink('/path/to/shortcut');
      expect(shortcut).toEqual({});
    });
  });

  describe('Clipboard API', () => {
    test('should handle clipboard operations', () => {
      clipboard.writeText('test');
      expect(clipboard.readText()).toBe('');
      
      clipboard.writeHTML('<p>test</p>');
      expect(clipboard.readHTML()).toBe('');
      
      clipboard.clear();
      expect(clipboard.clear).toHaveBeenCalled();
    });
  });

  describe('Menu API', () => {
    test('should build and set menu', () => {
      const template = [{ label: 'Test' }];
      const menu = Menu.buildFromTemplate(template);
      
      Menu.setApplicationMenu(menu);
      expect(Menu.getApplicationMenu()).toBeNull(); // Mock returns null
      
      menu.popup();
      menu.append(new MenuItem({ label: 'New Item' }));
      
      expect(menu.popup).toHaveBeenCalled();
      expect(menu.append).toHaveBeenCalled();
    });
  });

  describe('Tray API', () => {
    test('should create and manage tray', () => {
      const tray = new Tray('/path/to/icon');
      
      tray.setImage('/new/icon');
      tray.setPressedImage('/pressed/icon');
      tray.setToolTip('Test tooltip');
      tray.setTitle('Test title');
      tray.displayBalloon({ title: 'Test', content: 'Content' });
      tray.popUpContextMenu();
      tray.setContextMenu(Menu.buildFromTemplate([]));
      
      expect(tray.getBounds()).toEqual({ x: 0, y: 0, width: 0, height: 0 });
      expect(tray.isDestroyed()).toBe(false);
      
      tray.destroy();
      expect(tray.destroy).toHaveBeenCalled();
    });
  });

  describe('Notification API', () => {
    test('should create and show notification', () => {
      const notification = new Notification({
        title: 'Test',
        body: 'Test notification'
      });
      
      notification.show();
      notification.close();
      
      expect(notification.show).toHaveBeenCalled();
      expect(notification.close).toHaveBeenCalled();
    });
  });

  describe('Power APIs', () => {
    test('should handle power monitor', () => {
      expect(powerMonitor.getSystemIdleState(60)).toBe('active');
      expect(powerMonitor.getSystemIdleTime()).toBe(0);
      
      powerMonitor.on('suspend', jest.fn());
      powerMonitor.removeListener('suspend', jest.fn());
    });

    test('should handle power save blocker', () => {
      const id = powerSaveBlocker.start('prevent-display-sleep');
      expect(id).toBe(1);
      
      expect(powerSaveBlocker.isStarted(id)).toBe(false);
      
      powerSaveBlocker.stop(id);
      expect(powerSaveBlocker.stop).toHaveBeenCalledWith(id);
    });
  });

  describe('Protocol API', () => {
    test('should handle protocol registration', (done) => {
      protocol.registerFileProtocol('myapp', jest.fn(), (error) => {
        expect(error).toBeUndefined();
        done();
      });
    });

    test('should handle protocol schemes', () => {
      protocol.registerSchemesAsPrivileged([
        { scheme: 'myapp', privileges: { secure: true } }
      ]);
      
      expect(protocol.isProtocolRegistered('myapp')).toBe(false);
    });
  });

  describe('Session API', () => {
    test('should handle default session', async () => {
      const defaultSession = session.defaultSession;
      
      await defaultSession.clearStorageData();
      await defaultSession.clearCache();
      
      defaultSession.setUserAgent('TestAgent');
      expect(defaultSession.getUserAgent()).toBe('MockUserAgent');
      
      defaultSession.setPermissionRequestHandler(jest.fn());
      defaultSession.setPermissionCheckHandler(jest.fn());
      
      const cacheSize = await defaultSession.getCacheSize();
      expect(cacheSize).toBe(0);
    });

    test('should create session from partition', () => {
      const customSession = session.fromPartition('persist:custom');
      expect(customSession).toBeDefined();
      expect(customSession.protocol).toBeDefined();
    });
  });

  describe('System Preferences API', () => {
    test('should handle system colors and preferences', () => {
      expect(systemPreferences.isDarkMode()).toBe(false);
      expect(systemPreferences.getColor('window')).toBe('#ffffff');
      expect(systemPreferences.getAccentColor()).toBe('#0000ff');
      expect(systemPreferences.getSystemColor('window')).toBe('#000000');
      expect(systemPreferences.isAeroGlassEnabled()).toBe(false);
      
      systemPreferences.on('color-changed', jest.fn());
      systemPreferences.removeListener('color-changed', jest.fn());
    });
  });

  describe('WebContents API', () => {
    test('should handle webContents static methods', () => {
      expect(webContents.getAllWebContents()).toEqual([]);
      expect(webContents.getFocusedWebContents()).toBeNull();
      expect(webContents.fromId(123)).toBeNull();
    });
  });

  describe('Global Shortcut API', () => {
    test('should handle global shortcuts', () => {
      expect(globalShortcut.register('Ctrl+A', jest.fn())).toBe(true);
      expect(globalShortcut.isRegistered('Ctrl+A')).toBe(false);
      
      globalShortcut.unregister('Ctrl+A');
      globalShortcut.unregisterAll();
      
      expect(globalShortcut.unregister).toHaveBeenCalled();
      expect(globalShortcut.unregisterAll).toHaveBeenCalled();
    });
  });

  describe('Screen API', () => {
    test('should handle display information', () => {
      const primary = screen.getPrimaryDisplay();
      expect(primary).toHaveProperty('bounds');
      expect(primary).toHaveProperty('workArea');
      expect(primary).toHaveProperty('scaleFactor', 1);
      
      const displays = screen.getAllDisplays();
      expect(Array.isArray(displays)).toBe(true);
      
      const cursor = screen.getCursorScreenPoint();
      expect(cursor).toEqual({ x: 0, y: 0 });
      
      screen.on('display-added', jest.fn());
      screen.removeAllListeners();
    });
  });

  describe('Native Image API', () => {
    test('should create and manipulate images', () => {
      const empty = nativeImage.createEmpty();
      expect(empty.isEmpty()).toBe(true);
      expect(empty.getSize()).toEqual({ width: 0, height: 0 });
      
      const fromPath = nativeImage.createFromPath('/path/to/image');
      expect(fromPath.isEmpty()).toBe(false);
      
      const fromBuffer = nativeImage.createFromBuffer(Buffer.from('data'));
      expect(fromBuffer.isEmpty()).toBe(false);
      
      // Test image methods
      expect(fromPath.resize).toBeDefined();
      expect(fromPath.crop).toBeDefined();
      expect(fromPath.toPNG()).toEqual(Buffer.from('mock-png'));
      expect(fromPath.toJPEG()).toEqual(Buffer.from('mock-jpeg'));
    });
  });
});