// 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.

// The app package contains the struct that keeps per javascript app state and handles translating
// javascript requests to vanadium requests and vice versa.
package app

import (
	"time"

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

type RpcRequest struct {
	Name         string
	Method       string
	NumInArgs    int32
	NumOutArgs   int32
	IsStreaming  bool
	Deadline     time.WireDeadline
	TraceRequest vtrace.Request
        Context      server.Context
	CallOptions  []RpcCallOption
}

// TODO(nlacasse): It would be nice if RpcCallOption and RpcServerOption
// were a struct with optional types, like:
//
//   type RpcCallOptions struct {
//     AllowedServersPolicy ?[]security.BlessingPattern
//     RetryTimeout         ?time.Duration
//   }
//
// Unfortunately, optional types are currently only supported for structs, not
// slices or primitive types.  Once optional types are better supported, switch
// this to a struct with optional types.
// Waiting for v.io/i/213

type RpcCallOption union {
	AllowedServersPolicy []security.BlessingPattern
	RetryTimeout         time.Duration
	Granter GranterHandle
}

type RpcServerOption union {
  IsLeaf bool
  ServesMountTable bool
}

type RpcResponse struct {
	OutArgs       []any
	TraceResponse vtrace.Response
}

type GranterHandle int32

type GranterRequest struct {
       GranterHandle GranterHandle
       Call server.SecurityCall
}

type GranterResponse struct {
       Blessings principal.BlessingsHandle
       Err error
}