// +build windows

package sipc_conn

import (
	"fmt"
	"github.com/Microsoft/go-winio"
	uuid "github.com/satori/go.uuid"
	"net"
	"path"
)

type ServerCtx struct {
	pipeConfig *winio.PipeConfig
}

func GenerateServerName() string {
	return fmt.Sprintf("satoripc-%s", uuid.Must(uuid.NewV4()).String())
}

func GeneratePath() string {
	return fmt.Sprintf("\\\\.\\Pipe\\%s", GenerateServerName())
}

func GenerateCustomPath(basePath4Unix string, customName string) string {
	return path.Join("\\\\.\\Pipe\\", customName)
}

func NewDefaultServer(name string) (*Server, error) {
	var sp string
	if name == "" {
		sp = GeneratePath()
	} else {
		sp = fmt.Sprintf("\\\\.\\Pipe\\%s", name)
	}
	return NewServer(sp, false)
}

func NewServer(path string, msgmode bool) (*Server, error) {
	o := &Server{
		serverPath:       path,
		isUnix:           false,
		connErrorHandler: defaultConnErrHandler,
		connHandler:      defaultConnHandler,
		ctx: ServerCtx{
			pipeConfig: &winio.PipeConfig{
				SecurityDescriptor: "",
				MessageMode:        msgmode,
				InputBufferSize:    0,
				OutputBufferSize:   0,
			},
		},
	}
	return o, nil
}

func (s *Server) Win_UseSecurityDescrptor(sd string) {
	s.ctx.pipeConfig.SecurityDescriptor = sd
}

func (s *Server) Win_SetBufferSize(in, out int32) {
	s.ctx.pipeConfig.InputBufferSize = in
	s.ctx.pipeConfig.OutputBufferSize = out
}

func (s *Server) GetListenerAndListen() (net.Listener, error) {
	return winio.ListenPipe(s.serverPath, s.ctx.pipeConfig)
}

func (s *Server) Start() error {
	var err error
	s.listener, err = winio.ListenPipe(s.serverPath, s.ctx.pipeConfig)
	if err != nil {
		return err
	}
	s.quitChan = make(chan int)
	go s.doAccept()
	return nil
}