OASIS WEB4

// Create a new object and persist it across the stack
// No provider is specified here, so OASIS uses the ONODE's default provider from OASISDNA.
var newHolon = new Holon();
newHolon.Name = "Test Data";
newHolon.Description = "Test Desc";
newHolon.HolonType = HolonType.Park;

var saveHolonResult = await STAR.OASISAPI.Data.SaveHolonAsync(newHolon, STAR.BeamedInAvatar.Id);

Console.WriteLine($"Saved with ID: {saveHolonResult.Result.Id}");
Console.WriteLine("Load-balanced across every provider.");

// Override the save provider for this one operation only.
// If you omit the provider, OASIS falls back to the ONODE's OASISDNA default provider.
var ethereumSaveResult = STAR.OASISAPI.Data.SaveHolon(
    newHolon, STAR.BeamedInAvatar.Id, true, true, 0, true, false, ProviderType.EthereumOASIS);

Console.WriteLine($"Saved to Ethereum only: {ethereumSaveResult.Result.Id}");
Console.WriteLine("All later calls still use the configured default provider.");

// Use the ID returned by the save example above
// If you omit the provider here, OASIS uses the ONODE's default provider from OASISDNA.
var holonId = saveHolonResult.Result.Id;

var loadHolonResult = await STAR.OASISAPI.Data.LoadHolonAsync(
    holonId, true, true, 0, true, false, HolonType.All, 0, ProviderType.IPFSOASIS);

Console.WriteLine($"Loaded from IPFS: {loadHolonResult.Result.Id}");
Console.WriteLine("The same object model, wherever it lives.");

// Delete through the API and keep the audit trail
// If you omit the provider here, OASIS uses the ONODE's default provider from OASISDNA.
var holonId = saveHolonResult.Result.Id;

var deleteHolonResult = await STAR.OASISAPI.Data.DeleteHolonAsync(
    STAR.BeamedInAvatar.Id, holonId, true, ProviderType.EthereumOASIS);

Console.WriteLine($"Deleted with status: {deleteHolonResult.IsError}");
Console.WriteLine("Delete is audited and rollback-aware.");

// Switch the current provider context, then save using that new default.
await ProviderManager.Instance.SetAndActivateCurrentStorageProviderAsync(ProviderType.MongoDBOASIS, true);
var overrideSaveResult = await STAR.OASISAPI.Data.SaveHolonAsync(newHolon, STAR.BeamedInAvatar.Id);

Console.WriteLine($"Provider overridden, saved with ID: {overrideSaveResult.Result.Id}");
Console.WriteLine("Subsequent calls now use the new default provider.");