/** Shared remote-desktop (RDP / VNC) contracts for the renderer. */

export type DesktopProtocol = 'rdp' | 'vnc'

export type DesktopSecurity = 'nla' | 'tls' | 'rdp' | 'auto'

export interface RdpConfig {
  host: string
  port?: number
  username: string
  password: string
  domain?: string
  /** Default NLA (CredSSP). */
  security?: DesktopSecurity
  width?: number
  height?: number
}

export interface VncConfig {
  host: string
  port?: number
  /** Optional VNC password (DES challenge). */
  password?: string
  width?: number
  height?: number
}

export type DesktopSessionConfig =
  | { protocol: 'rdp'; config: RdpConfig }
  | { protocol: 'vnc'; config: VncConfig }

export interface DesktopOpenResponse {
  sessionId: string
}

export interface DesktopStatusEvent {
  sessionId: string
  status: 'connecting' | 'connected' | 'disconnected' | 'error'
  message?: string
  width?: number
  height?: number
}

/** Dirty-rectangle frame. Prefer JPEG (`encoding: 'jpeg'`); `rgba` is raw w*h*4 fallback. */
export interface DesktopFrameEvent {
  sessionId: string
  x: number
  y: number
  width: number
  height: number
  /** Full framebuffer width (for canvas sizing). */
  fbWidth: number
  /** Full framebuffer height. */
  fbHeight: number
  encoding: 'jpeg' | 'rgba'
  dataBase64: string
}

export type DesktopPointerButton = 'left' | 'middle' | 'right' | 'wheel_up' | 'wheel_down'

export interface DesktopPointerEvent {
  x: number
  y: number
  button?: DesktopPointerButton
  pressed?: boolean
  /** true = pointer move (may include held button for drag). */
  moving?: boolean
}

export interface DesktopKeyEvent {
  key: string
  code: string
  pressed: boolean
  altKey?: boolean
  ctrlKey?: boolean
  metaKey?: boolean
  shiftKey?: boolean
}

export interface RdpClipboardEvent {
  sessionId: string
  text: string
}

export interface VncClipboardEvent {
  sessionId: string
  text: string
}

export interface RdpFileDownloadEvent {
  sessionId: string
  name: string
  /** Absolute path in the host Downloads folder. */
  path: string
}