// Hand-written gRPC bindings for keymanager.proto (agent side, JSON codec).

package pb

import (
	"context"

	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type RegisterRequest struct {
	ServerId    string `json:"server_id"`
	PreRegToken string `json:"pre_reg_token"`
	Hostname    string `json:"hostname"`
	IpAddress   string `json:"ip_address"`
	OsInfo      string `json:"os_info"`
}

type RegisterResponse struct {
	AgentToken string `json:"agent_token"`
}

type SyncRequest struct {
	ServerId   string `json:"server_id"`
	AgentToken string `json:"agent_token"`
}

type SyncResponse struct {
	PublicKeys []string `json:"public_keys"`
}

type UploadKeyRequest struct {
	ServerId   string `json:"server_id"`
	AgentToken string `json:"agent_token"`
	PublicKey  string `json:"public_key"`
	Label      string `json:"label"`
}

type UploadKeyResponse struct {
	KeyId string `json:"key_id"`
}

// CommandStream message types

type ServerCommand struct {
	CommandId   string          `json:"command_id"`
	GenerateKey *GenerateKeyCmd `json:"generate_key,omitempty"`
}

type GenerateKeyCmd struct {
	Label string `json:"label"`
}

type AgentMessage struct {
	ServerId   string         `json:"server_id"`
	AgentToken string         `json:"agent_token"`
	Ready      *AgentReady    `json:"ready,omitempty"`
	Result     *CommandResult `json:"result,omitempty"`
}

type AgentReady struct{}

type CommandResult struct {
	CommandId string `json:"command_id"`
	Success   bool   `json:"success"`
	Message   string `json:"message"`
}

// CommandStream client-side interface

type KeyManager_CommandStreamClient interface {
	Send(*AgentMessage) error
	Recv() (*ServerCommand, error)
	grpc.ClientStream
}

type keyManagerCommandStreamClient struct {
	grpc.ClientStream
}

func (c *keyManagerCommandStreamClient) Send(m *AgentMessage) error {
	return c.ClientStream.SendMsg(m)
}

func (c *keyManagerCommandStreamClient) Recv() (*ServerCommand, error) {
	m := new(ServerCommand)
	if err := c.ClientStream.RecvMsg(m); err != nil {
		return nil, err
	}
	return m, nil
}

// CommandStream server-side interface (included for completeness)

type KeyManager_CommandStreamServer interface {
	Send(*ServerCommand) error
	Recv() (*AgentMessage, error)
	grpc.ServerStream
}

type keyManagerCommandStreamServer struct {
	grpc.ServerStream
}

func (s *keyManagerCommandStreamServer) Send(m *ServerCommand) error {
	return s.ServerStream.SendMsg(m)
}

func (s *keyManagerCommandStreamServer) Recv() (*AgentMessage, error) {
	m := new(AgentMessage)
	if err := s.ServerStream.RecvMsg(m); err != nil {
		return nil, err
	}
	return m, nil
}

type KeyManagerClient interface {
	Register(ctx context.Context, in *RegisterRequest, opts ...grpc.CallOption) (*RegisterResponse, error)
	SyncKeys(ctx context.Context, in *SyncRequest, opts ...grpc.CallOption) (*SyncResponse, error)
	UploadGeneratedKey(ctx context.Context, in *UploadKeyRequest, opts ...grpc.CallOption) (*UploadKeyResponse, error)
	CommandStream(ctx context.Context, opts ...grpc.CallOption) (KeyManager_CommandStreamClient, error)
}

type UnimplementedKeyManagerServer struct{}

func (UnimplementedKeyManagerServer) Register(context.Context, *RegisterRequest) (*RegisterResponse, error) {
	return nil, status.Errorf(codes.Unimplemented, "not implemented")
}
func (UnimplementedKeyManagerServer) SyncKeys(context.Context, *SyncRequest) (*SyncResponse, error) {
	return nil, status.Errorf(codes.Unimplemented, "not implemented")
}
func (UnimplementedKeyManagerServer) UploadGeneratedKey(context.Context, *UploadKeyRequest) (*UploadKeyResponse, error) {
	return nil, status.Errorf(codes.Unimplemented, "not implemented")
}

type keyManagerClient struct {
	cc grpc.ClientConnInterface
}

func NewKeyManagerClient(cc grpc.ClientConnInterface) KeyManagerClient {
	return &keyManagerClient{cc}
}

func (c *keyManagerClient) Register(ctx context.Context, in *RegisterRequest, opts ...grpc.CallOption) (*RegisterResponse, error) {
	out := new(RegisterResponse)
	if err := c.cc.Invoke(ctx, "/keymanager.v1.KeyManager/Register", in, out, opts...); err != nil {
		return nil, err
	}
	return out, nil
}

func (c *keyManagerClient) SyncKeys(ctx context.Context, in *SyncRequest, opts ...grpc.CallOption) (*SyncResponse, error) {
	out := new(SyncResponse)
	if err := c.cc.Invoke(ctx, "/keymanager.v1.KeyManager/SyncKeys", in, out, opts...); err != nil {
		return nil, err
	}
	return out, nil
}

func (c *keyManagerClient) UploadGeneratedKey(ctx context.Context, in *UploadKeyRequest, opts ...grpc.CallOption) (*UploadKeyResponse, error) {
	out := new(UploadKeyResponse)
	if err := c.cc.Invoke(ctx, "/keymanager.v1.KeyManager/UploadGeneratedKey", in, out, opts...); err != nil {
		return nil, err
	}
	return out, nil
}

func (c *keyManagerClient) CommandStream(ctx context.Context, opts ...grpc.CallOption) (KeyManager_CommandStreamClient, error) {
	desc := &grpc.StreamDesc{StreamName: "CommandStream", ServerStreams: true, ClientStreams: true}
	stream, err := c.cc.NewStream(ctx, desc, "/keymanager.v1.KeyManager/CommandStream", opts...)
	if err != nil {
		return nil, err
	}
	return &keyManagerCommandStreamClient{stream}, nil
}