// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package app

import (
	"signature"

	"v.io/v23/security"
	"v.io/x/ref/services/wspr/internal/principal"
)

type Controller interface {
	// NewServer instructs WSPR to create a server and start listening for calls on
	// behalf of a JavaScript server.
	NewServer(name string, serverId uint32, serverOpts []RpcServerOption) error
	// Stop instructs WSPR to stop listening for calls for the
	// given javascript server.
	Stop(serverId uint32) error
	// AddName adds a published name to an existing server.
	AddName(serverId uint32, name string) error
	// RemoveName removes a published name from an existing server.
	RemoveName(serverId uint32, name string) error

	// Bless binds extensions of blessings held by this principal to
	// another principal (represented by its public key).
	Bless(publicKey []byte, blessings security.WireBlessings, extension string, caveat []security.Caveat) (principal.BlessingsId | error)
	// BlessSelf creates a blessing with the provided name for this principal.
	BlessSelf(name string, caveats []security.Caveat) (principal.BlessingsId | error)
	// AddToRoots adds the provided blessing as a root.
	AddToRoots(blessings security.WireBlessings) error

	// BlessingStoreSet puts the specified blessing in the blessing store under the provided pattern.
	BlessingStoreSet(blessingsblessings security.WireBlessings, pattern security.BlessingPattern) (principal.BlessingsId | error)
	// BlessingStoreForPeer retrieves the blessings marked for the given peers.
	BlessingStoreForPeer(peerBlessings []string) (principal.BlessingsId | error)
	// BlessingStoreSetDefault sets the default blessings.
	BlessingStoreSetDefault(blessingsblessings security.WireBlessings) error
	// BlessingStoreDefault fetches the default blessings for the principal of the controller.
	BlessingStoreDefault() (principal.BlessingsId | error)
	// BlessingStorePublicKey fetches the public key of the principal for which this store hosts blessings.
	BlessingStorePublicKey() ([]byte | error)
	// BlessingStorePeerBlessings returns all the blessings that the BlessingStore holds.
	BlessingStorePeerBlessings() (map[security.BlessingPattern]principal.BlessingsId | error)
	// BlessingStoreDebugString retrieves a debug string describing the state of the blessing store
	BlessingStoreDebugString() (string | error)


	// RemoteBlessings fetches the remote blessings for a given name and method.
	RemoteBlessings(name, method string) ([]string | error)
	// Signature fetches the signature for a given name.
	Signature(name string) ([]signature.Interface | error)
}