package lmaxapi

import "sync/atomic"
import "errors"
import "fmt"
import "time"

const (
	MsgInit = iota
	MsgGetPosition
	MsgGetPositions
	MsgGetInstrument
	MsgGetInstruments
	MsgGetAccount
	MsgSetTick
	MsgSetOrder
	MsgGetOrders
	MsgSetRejected
	MsgSetAccount
	MsgSetAccountDetails
	MsgSetPosition
	MsgSetInstrument
	MsgSetExchangeRate
	MsgGetExchangeRate
	MsgGetTick
	MsgGetAllTick
	MsgGetInstument
	MsgGetAllInstrument
	MsgShutDown
	MsgMtfBindPrivate
	MsgMtfBindPublic
	MsgTimeout
	MsgEcho
	MsgClose
	MsgSetObStatus
	MsgSetExecution
	MsgSetOneExecution
	MsgCancelOrder
	MsgCloseOrder
	MsgAmendOrder
	MsgPlaceOrder
	MsgCloneAccount
	MsgLog
	MsgLoged
	MsgMatched
	MsgCount
)

var msgname = []string{
	"MsgInit",
	"MsgGetPosition",
	"MsgGetPositions",
	"MsgGetInstrument",
	"MsgGetInstruments",
	"MsgGetAccount",
	"MsgSetTick",
	"MsgSetOrder",
	"MsgGetOrders",
	"MsgSetRejected",
	"MsgSetAccount",
	"MsgSetAccountDetails",
	"MsgSetPosition",
	"MsgSetInstrument",
	"MsgSetExchangeRate",
	"MsgGetExchangeRate",
	"MsgGetTick",
	"MsgGetAllTick",
	"MsgGetInstument",
	"MsgGetAllInstrument",
	"MsgShutDown",
	"MsgMtfBindPrivate",
	"MsgMtfBindPublic",
	"MsgTimeout",
	"MsgEcho",
	"MsgClose",
	"MsgSetObStatus",
	"MsgSetExecution",
	"MsgSetOneExecution",
	"MsgCancelOrder",
	"MsgCloseOrder",
	"MsgAmendOrder",
	"MsgPlaceOrder",
	"MsgCloneAccount",
	"MsgLog",
	"MsgLoged",
	"MsgMatched",
	"MsgCount",
}

const (
	NeedLog = 1 << iota
	SendAsyn
	Public
	Private
)

var ErrTimeout = errors.New("timeout")
var messageId int64

type Message struct {
	Type     int
	Flag     int
	ClientId int64
	Id       int64
	Err      error
	SendTime int64
	RecvTime int64
	Data     interface{}
	Ch       chan *Message
}

func NewMessage(mtype int, clientId int64, data interface{}, id int64) *Message {
	err := error(nil)
	if id == 0 {
		id = atomic.AddInt64(&messageId, 1)
	}
	if mtype == MsgTimeout {
		err = ErrTimeout
	}
	return &Message{mtype, 0, clientId, id, err, 0, 0, data, nil}
}

func (msg *Message) GetId() int64 {
	return msg.Id
}

func (msg *Message) Name() string {
	return msgname[msg.Type]
}

func (msg *Message) String() string {
	return "[" + msgname[msg.Type] + "]" + fmt.Sprint(msg.Id, msg.Err, msg.Data, msg.SendTime, msg.RecvTime)
}

func getTime() int64 {
	return time.Now().UnixNano()
}