feat: predefine server + user by last used with suggestedAccounts config

Signed-off-by: Grigorii K. Shartsev <me@shgk.me>

Author: ShGKme

README.md

@@ -68,6 +68,36 @@ However, using portable `zip` distribution, you can have several Nextcloud Talk
         └── ...
 ```
 
+## ⌨️ CLI usage
+
+### Application flags
+
+Adjust how the application runs when launching.
+
+| Flag           | Description                                                                   |
+|----------------|-------------------------------------------------------------------------------|
+| `--background` | Start minimized to the system tray without a window (used for run at startup) |
+
+### CLI commands
+
+Run a command in the app and quit without launching entire app.
+
+#### `config`
+
+Set application configuration.
+
+| Option                     | Description                                |
+|----------------------------|--------------------------------------------|
+| `--accounts=[user@]server` | Comma-separated list of prefilled accounts |
+
+Examples:
+
+```sh
+./Nextcloud\ Talk config --accounts=cloud.company.tld
+./Nextcloud\ Talk config --accounts='Name Surname@cloud.company.tld'
+./Nextcloud\ Talk config --accounts=name@email.tld@company.tld/nextcloud
+```
+
 ## 🛠️ Development Setup
 
 1. Install dependencies

src/app/cli.ts

@@ -0,0 +1,69 @@
+/*!
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { Argv } from 'mri'
+
+import { app } from 'electron'
+import { setAppConfig } from './AppConfig.ts'
+
+/**
+ * Handle CLI usage
+ *
+ * @param argv - Parsed by mri CLI arguments
+ */
+export async function cli(argv: Argv) {
+	// TODO: Add --help command
+
+	if (!argv._.length) {
+		return
+	}
+
+	if (argv._[0] === 'config' && argv._.length === 1) {
+		await handleConfigCommand(argv)
+	} else {
+		console.log('Unknown command:', argv._.join(' '))
+		app.exit(1)
+	}
+
+	app.exit(0)
+}
+
+/**
+ * Handle "config" CLI command
+ *
+ * @param argv - Parsed by mri CLI arguments
+ */
+async function handleConfigCommand(argv: Argv) {
+	if (!argv.accounts) {
+		console.log('No config to set')
+		app.exit(1)
+	}
+
+	// --accounts=user@email.tld@server.tld/nextcloud,nextcloud.local
+	const accounts = argv.accounts.split(',')
+
+	// Validate
+	for (const account of argv.accounts.split(',')) {
+		const atIndex = account.lastIndexOf('@')
+		const [server, user] = atIndex === -1
+			? [account, '']
+			: [account.slice(atIndex + 1), account.slice(0, atIndex)]
+		try {
+			new URL(`https://${server}`)
+		} catch {
+			console.error(`Invalid server: ${server}`)
+			app.exit(1)
+		}
+		if (user && (!/^[a-zA-Z0-9 _.@\-']{1,64}$/.test(user) || user !== user.trim())) {
+			console.error(`Invalid user: ${user}`)
+			app.exit(1)
+		}
+	}
+
+	// Set
+	await setAppConfig('accounts', accounts)
+
+	console.log('Accounts configuration updated')
+}

src/main.js

@@ -4,6 +4,7 @@
  */
 
 const { app, ipcMain, desktopCapturer, systemPreferences, shell, session } = require('electron')
+const { default: mri } = require('mri')
 const { spawn } = require('node:child_process')
 const fs = require('node:fs')
 const path = require('node:path')
@@ -12,6 +13,7 @@ const { loadAppConfig, getAppConfig, setAppConfig } = require('./app/AppConfig.t
 const { appData } = require('./app/AppData.js')
 const { registerAppProtocolHandler } = require('./app/appProtocol.ts')
 const { verifyCertificate, promptCertificateTrust } = require('./app/certificate.service.ts')
+const { cli } = require('./app/cli.ts')
 const { openChromeWebRtcInternals } = require('./app/dev.utils.ts')
 const { triggerDownloadUrl } = require('./app/downloads.ts')
 const { setupReleaseNotificationScheduler, registerUpdateIpcHandlers } = require('./app/githubReleaseNotification.service.js')
@@ -31,13 +33,7 @@ const { createTalkWindow } = require('./talk/talk.window.js')
 const { createUpgradeWindow } = require('./upgrade/upgrade.window.ts')
 const { createWelcomeWindow } = require('./welcome/welcome.window.js')
 
-/**
- * Parse command line arguments
- */
-const ARGUMENTS = {
-	// Open Talk window in the background, minimized to the system tray
-	openInBackground: process.argv.includes('--background'),
-}
+const argv = mri(process.argv.slice(app.isPackaged ? 1 : 2))
 
 // Electron 36 with Chromium 136 is not compatible with GNOME due to GTK3 with GTK4 mixing
 // Workaround: force GTK3
@@ -78,6 +74,7 @@ if (require('electron-squirrel-startup')) {
  * Only one instance is allowed at the same time
  */
 if (!app.requestSingleInstanceLock()) {
+	console.log('Another instance of the app is already running')
 	app.quit()
 }
 
@@ -140,6 +137,8 @@ app.whenReady().then(async () => {
 	await loadAppConfig()
 	await runMigrations()
 
+	await cli(argv)
+
 	applyTheme()
 	initLaunchAtStartupListener()
 	registerAppProtocolHandler()
@@ -153,7 +152,7 @@ app.whenReady().then(async () => {
 	}
 
 	// Open in the background if it is explicitly set, or the app was open at login on macOS
-	const openInBackground = ARGUMENTS.openInBackground || app.getLoginItemSettings().wasOpenedAtLogin
+	const openInBackground = argv.background || app.getLoginItemSettings().wasOpenedAtLogin
 
 	try {
 		await installVueDevtools()