// "Telefon bağlantısı" window: a thin IPC shell around the controller built in
// electron/mobile-lan-proxy.ts (createMobileLink). The controller lives in the
// main process for the whole app run — closing this window only cancels a
// pairing in progress; paired phones stay connected.
import { join } from 'node:path'
import { BrowserWindow, ipcMain } from 'electron'

const CODED = /^aiturk-mobile:[a-z_]+$/

export function createMobileWindow({ assets, link, show = true }) {
  const window = new BrowserWindow({ width: 560, height: 800, show, title: 'AITURK · Telefon bağlantısı',
    webPreferences: { preload: join(assets, 'mobile-preload.cjs'), contextIsolation: true,
      nodeIntegration: false, sandbox: true } })
  window.setMenu(null)
  window.webContents.setWindowOpenHandler(() => ({ action: 'deny' }))
  window.webContents.on('will-navigate', event => event.preventDefault())
  const actions = {
    state: () => link.state(),
    enable: () => link.enable(),
    disable: () => link.disable(),
    'pair.begin': () => link.pairBegin(),
    'pair.cancel': () => link.pairCancel(),
    // Publishes the running pairing's rendezvous record again; the code and the QR stay as they are.
    'pair.republish': () => link.pairRepublish(),
    devices: () => link.devices(),
    'device.revoke': params => link.deviceRevoke(params?.deviceId),
    // The only actions that may raise a UAC prompt; both are explicit button presses.
    'lan.allow': () => link.lanAllow(),
    'lan.disallow': () => link.lanDisallow(),
    'firewall.allow': () => link.lanAllow(),
    'firewall.retry': () => link.lanAllow(),
    'relay.renew': () => link.relayRenew(),
    'firewall.remove': () => link.firewallRemove(),
  }
  const handler = async (event, action, params) => {
    if (event.sender !== window.webContents || event.senderFrame !== window.webContents.mainFrame) throw new Error('aiturk-mobile:forbidden')
    if (typeof action !== 'string' || !Object.hasOwn(actions, action)) throw new Error('aiturk-mobile:unsupported')
    try { return await actions[action](params) } catch (error) {
      // Only fixed codes cross to the renderer; never upstream error text.
      throw new Error(CODED.test(error?.message) ? error.message : 'aiturk-mobile:failed')
    }
  }
  const unsubscribe = link.onEvent(event => { if (!window.isDestroyed()) window.webContents.send('aiturk-mobile-event', event) })
  ipcMain.handle('aiturk-mobile', handler)
  window.on('closed', () => {
    unsubscribe(); ipcMain.removeHandler('aiturk-mobile')
    // The code on screen is gone with the window; do not leave pairing open behind it.
    void link.pairCancel().catch(() => {})
  })
  void window.loadFile(join(assets, 'mobile-host.html'))
  return window
}