/**
 * Channel names for the control plane (request/response over ipcMain.handle).
 *
 * This module is deliberately dependency-free: the preload script imports it,
 * and a sandboxed preload should stay as small as possible. Zod schemas live in
 * `ipc-schemas.ts` and are imported only by the main process.
 */
export const CH = {
  APP_INFO: 'app:info',

  // Every tree mutation returns the full refreshed tree rather than the single
  // changed row. A move rewrites sort orders, and returning the tree makes it
  // impossible for the renderer's copy to drift out of sync with the database
  // — a class of bug that is tedious to reproduce and trivial to avoid at this
  // scale (a connection inventory is hundreds of rows, not millions).
  TREE_LIST: 'tree:list',

  FOLDER_CREATE: 'folder:create',
  FOLDER_RENAME: 'folder:rename',
  HOST_CREATE: 'host:create',
  HOST_UPDATE: 'host:update',

  // Folders and hosts share one id space and one ordering, so moving and
  // deleting are single operations rather than one channel per kind.
  NODE_MOVE: 'node:move',
  NODE_DELETE: 'node:delete',

  // Sessions. Terminal bytes do NOT travel on these — they go over a
  // per-session MessagePort. See `session-protocol.ts`.
  SESSION_OPEN: 'session:open',
  SESSION_OPEN_LOCAL: 'session:openLocal',
  SESSION_CLOSE: 'session:close',

  // Credentials are write-only from the renderer's side. There is deliberately
  // no channel that returns a stored secret; see `shared/api.ts`.
  CREDENTIAL_SET: 'credential:set',
  CREDENTIAL_DELETE: 'credential:delete',
  CREDENTIAL_HAS: 'credential:has',
} as const

export type Channel = (typeof CH)[keyof typeof CH]