import { contextBridge, ipcRenderer } from 'electron'
import type { AgentUiEvent, SessionState } from '@shared/types'

export interface DesktopApi {
  send: (text: string) => Promise<void>
  steer: (text: string) => Promise<void>
  stop: () => Promise<void>
  getState: () => Promise<SessionState>
  versions: () => Promise<{ app: string; electron: string; node: string; chrome: string }>
  onEvent: (callback: (event: AgentUiEvent) => void) => () => void
}

const api: DesktopApi = {
  send: (text) => ipcRenderer.invoke('agent:send', text),
  steer: (text) => ipcRenderer.invoke('agent:steer', text),
  stop: () => ipcRenderer.invoke('agent:stop'),
  getState: () => ipcRenderer.invoke('agent:state'),
  versions: () => ipcRenderer.invoke('app:versions'),
  onEvent: (callback) => {
    const listener = (_e: Electron.IpcRendererEvent, event: AgentUiEvent): void => callback(event)
    ipcRenderer.on('agent:event', listener)
    return () => {
      ipcRenderer.removeListener('agent:event', listener)
    }
  }
}

contextBridge.exposeInMainWorld('api', api)