// DRAFT DESTINATION: src/background/messages.ts and src/shared/types.ts
// Phase 2: vault-less CREATE_VAULT_FROM_ROOT_KEY handler.

// In src/shared/types.ts, add near CREATE_VAULT:
//   | "CREATE_VAULT_FROM_ROOT_KEY"
//
// Optional documented payload type:
export interface CreateVaultFromRootKeyPayload {
  password: string;
  rootKeyHex: string;
}

// In src/shared/types.ts ErrorCode, add:
//   | "adopt_invalid_root_key"
//   | "adopt_vault_id_mismatch"

// In src/background/messages.ts switch, place immediately after CREATE_VAULT:
async function draftCreateVaultFromRootKeyHandler(
  msg: { payload?: unknown },
): Promise<{ ok: true; vaultId: string } | { ok: false; error: string }> {
  const { password, rootKeyHex } = (msg.payload ?? {}) as Partial<CreateVaultFromRootKeyPayload>;
  if (typeof password !== "string" || password.length === 0 || typeof rootKeyHex !== "string") {
    return { ok: false, error: "invalid_payload" };
  }

  try {
    const { vaultId } = await vault.createVaultFromRootKey(password, rootKeyHex);
    await setupAutoLock();
    broadcastToContentScripts({ type: "VAULT_UNLOCKED" });
    onVaultUnlocked();
    return { ok: true, vaultId };
  } catch (err) {
    const message = err instanceof Error ? err.message : String(err);
    return { ok: false, error: message };
  }
}

void draftCreateVaultFromRootKeyHandler;