// Renderer bridge for the Messages panel.
// All hermes-* IPC returns { ok, ... } | { ok: false, err }.
const { contextBridge, ipcRenderer } = require("electron");

contextBridge.exposeInMainWorld("hermes", {
  // Identity + relay state
  status:        () => ipcRenderer.invoke("hermes-status"),
  canUseVault:   () => ipcRenderer.invoke("hermes-can-use-vault"),
  init:          (mnemonic) => ipcRenderer.invoke("hermes-init", { mnemonic }),
  initFromVault: () => ipcRenderer.invoke("hermes-init", { useVault: true }),
  close:         () => ipcRenderer.invoke("hermes-close"),

  // Messages
  inbox:         () => ipcRenderer.invoke("hermes-inbox"),
  send:          (to, text) => ipcRenderer.invoke("hermes-send", { to, text }),
  markThreadRead: (peerPkHex, upToCreatedAt) =>
    ipcRenderer.invoke("hermes-thread-mark-read", { peerPkHex, upToCreatedAt }),

  // Contacts (address book)
  contacts: {
    list:   () => ipcRenderer.invoke("hermes-contacts-list"),
    add:    (name, nickname) => ipcRenderer.invoke("hermes-contacts-add", { name, nickname }),
    update: (pkHex, patch) => ipcRenderer.invoke("hermes-contacts-update", { pkHex, patch }),
    remove: (pkHex) => ipcRenderer.invoke("hermes-contacts-remove", { pkHex }),
    // Opt-in import: opens an OS file-picker for a .vcf. Returns parsed
    // candidates for the renderer to preview; nothing is added without a
    // follow-up add() call per contact. Convenience only — the full add
    // flow (manual +) is never gated behind this.
    importPick: () => ipcRenderer.invoke("hermes-contacts-import-pick"),
  },

  // Pushes: new decrypted message / relay status change.
  onMessage: (cb) => {
    const wrapped = (_e, msg) => cb(msg);
    ipcRenderer.on("hermes-message", wrapped);
    return () => ipcRenderer.removeListener("hermes-message", wrapped);
  },
  onStatus: (cb) => {
    const wrapped = (_e, s) => cb(s);
    ipcRenderer.on("hermes-status-update", wrapped);
    return () => ipcRenderer.removeListener("hermes-status-update", wrapped);
  },
});