// Copyright 2013-2014 Fuzamei tech Ltd. All rights reserved.

package tick

/*
#include <string.h>
*/
import "C"

// 本文件实现okcoin数据源接口, 实时数据和历史数据的获取和保存

import (
	"encoding/json"
	"log"
	"strconv"
	"time"
	"tickserver/markinfo"
	"tickserver/server/market"
)

const (
	ClientCount = 3
)

var btcInss = []int{
	markinfo.BTCUSD,
	markinfo.BTCCNY,
	markinfo.BTCFUSD,
}

type BTCTickerWS struct {
	Buy       float64 `json:"buy"`
	High      float64 `json:"high"`
	Last      string  `json:"last"`
	Low       float64 `json:"low"`
	Sell      float64 `json:"sell"`
	Timestamp string  `json:"timestamp"`
	Vol       string  `json:"vol"`
}

type BTCTickWS struct {
	Channel string      `json:"channel"`
	Data    BTCTickerWS `json:"data"`
}

type BTCTickerWSFirst struct {
	Buy       string `json:"buy"`
	High      string `json:"high"`
	Last      string `json:"last"`
	Low       string `json:"low"`
	Sell      string `json:"sell"`
	Timestamp string `json:"timestamp"`
	Vol       string `json:"vol"`
}

type BTCTickWSFirst struct {
	Channel string           `json:"channel"`
	Data    BTCTickerWSFirst `json:"data"`
}

type BTCFTickerWS struct {
	Buy         float64 `json:"buy"`
	Contract_id string  `json:"contract_id"`
	High        float64 `json:"high"`
	Hold_amount float64 `json:"hold_amount"`
	Last        string  `json:"last"`
	Low         float64 `json:"low"`
	Sell        float64 `json:"sell"`
	UnitAmount  float64 `json:"unitAmount"`
	Vol         string  `json:"vol"`
}

type BTCFTickWS struct {
	Channel string       `json:"channel"`
	Data    BTCFTickerWS `json:"data"`
}

// BtcDS实现了dataSource接口, 并对btc的历史数据和实时数据保存
type BtcDS struct {
	*DSBase
	conf     *DsConf
	wsclient [ClientCount]*OKClientWrapper
}

func init() {
	drivers[Btc] = newBtcDS
}

func newBtcDS(conf *DsConf) (DataSource, error) {
	bds := &BtcDS{
		DSBase: NewDsBase(conf),
		conf:   conf,
	}
	bds.insMap = btcInsMap()

	return bds, nil
}

func (bds *BtcDS) Name() string {
	return Btc
}

func (bds *BtcDS) Run() {
	log.Println("BtcDS.Run")
	var err error
	/*bds.wsclient[0], err = NewOKClientWrapper("http://localhost/", "wss://real.okcoin.com:10440/websocket/okcoinapi", BTC_REAL, markinfo.BTCUSD)
	if err != nil {
		log.Println("NewOKClientWrapper", err)
	}
	time.Sleep(time.Second * 3)
	err = bds.wsclient[0].Emit("ok_btcusd_ticker")
	if err != nil {
		log.Println("Emit", err)
	}
	go bds.ProcessData(0)*/
	bds.wsclient[0], err = NewOKClientWrapper("http://localhost/", "wss://real.okcoin.cn:10440/websocket/okcoinapi", BTC_REAL, markinfo.BTCCNY)
	if err != nil {
		log.Println("NewOKClientWrapper", err)
	}
	time.Sleep(time.Second * 3)
	err = bds.wsclient[0].Emit("ok_btccny_ticker")
	if err != nil {
		log.Println("Emit", err)
	}
	go bds.ProcessData(0)
	/*bds.wsclient[2], err = NewOKClientWrapper("http://localhost/", "wss://real.okcoin.com:10440/websocket/okcoinapi", BTC_F_REAL, markinfo.BTCFUSD)
	if err != nil {
		log.Println("NewOKClientWrapper", err)
	}
	time.Sleep(time.Second * 3)
	err = bds.wsclient[2].Emit("ok_btcusd_future_ticker_this_week")
	if err != nil {
		log.Println("Emit", err)
	}
	go bds.ProcessData(2)*/
}

func (bds *BtcDS) ProcessData(index int) {
	for {
		err := bds.wsclient[index].okclient.RevString(&bds.wsclient[index].datastr)
		if err == nil {
			if bds.wsclient[index].datastr == "{\"event\":\"pong\"}" {
				bds.wsclient[index].lastsec = time.Now().Unix()
				continue
			}

			switch bds.wsclient[index].datatyp {
			case BTC_REAL:
				err = bds.parseBTCReal(index)
				if err != nil {
					log.Println("parseBTCReal", bds.wsclient[index].datastr, err)
				}
			case BTC_F_REAL:
				err = bds.parseBTCFReal(index)
				if err != nil {
					log.Println("parseBTCFReal", bds.wsclient[index].datastr, err)
				}
			default:
				log.Println("data type not supported:", bds.wsclient[index].datatyp)
			}
		} else {
			log.Println(bds.wsclient[index].symbol, "RevString", err)
			//bds.wsclient[index].okclient.Close()
			time.Sleep(time.Second * 2)
			//bds.wsclient[index].okclient.Connect()
			//time.Sleep(time.Second * 3)
			//bds.wsclient[index].ReEmit()
		}
	}
}

func (bds *BtcDS) parseBTCFReal(index int) error {
	var btcfticks []BTCFTickWS
	err := json.Unmarshal([]byte(bds.wsclient[index].datastr), &btcfticks)
	if err != nil {
		return err
	}
	for _, btcftick := range btcfticks {
		mk := &Market{}
		mk.Type = IntBtc
		mk.InsId = markinfo.BTCFUSD
		mk.Timestamp = time.Now().Unix() * 1000
		var ask, bid PP
		ask[0] = btcftick.Data.Sell
		ask[1] = btcftick.Data.Hold_amount
		bid[0] = btcftick.Data.Buy
		bid[1] = btcftick.Data.Hold_amount
		mk.Asks = append(mk.Asks, ask)
		mk.Bids = append(mk.Bids, bid)
		mk.High = btcftick.Data.High
		mk.LastPrice, _ = strconv.ParseFloat(btcftick.Data.Last, 32)
		mk.Low = btcftick.Data.Low
		mk.AllAmount = btcftick.Data.UnitAmount
		mk.AllVolume, _ = strconv.ParseFloat(btcftick.Data.Vol, 32)
		bds.Save(mk)
	}

	return nil
}

func (bds *BtcDS) parseBTCReal(index int) error {
	var btctickwss []BTCTickWS
	err := json.Unmarshal([]byte(bds.wsclient[index].datastr), &btctickwss)
	if err != nil {
		var btctickwssfirst []BTCTickWSFirst
		err = json.Unmarshal([]byte(bds.wsclient[index].datastr), &btctickwssfirst)
		if err != nil {
			log.Println(bds.wsclient[index].datastr)
			return err
		}
		for _, btctickws := range btctickwssfirst {
			mk := &Market{}
			mk.Type = IntBtc
			mk.InsId = int64(bds.wsclient[index].symbol)
			mk.Timestamp, _ = strconv.ParseInt(btctickws.Data.Timestamp, 10, 64)
			if mk.Timestamp == 0 {
				return nil //丢弃非行情数据
			}
			var ask, bid PP
			ask[0], _ = strconv.ParseFloat(btctickws.Data.Sell, 32)
			bid[0], _ = strconv.ParseFloat(btctickws.Data.Buy, 32)
			mk.Asks = append(mk.Asks, ask)
			mk.Bids = append(mk.Bids, bid)
			mk.High, _ = strconv.ParseFloat(btctickws.Data.High, 32)
			mk.LastPrice, _ = strconv.ParseFloat(btctickws.Data.Last, 32)
			mk.Low, _ = strconv.ParseFloat(btctickws.Data.Low, 32)
			mk.LastVolume, _ = strconv.ParseFloat(btctickws.Data.Vol, 32)
			if mk.LastPrice != 0 {
				bds.Save(mk)
			}
		}
		return nil
	}
	for _, btctickws := range btctickwss {
		mk := &Market{}
		mk.Type = IntBtc
		mk.InsId = int64(bds.wsclient[index].symbol)
		mk.Timestamp, _ = strconv.ParseInt(btctickws.Data.Timestamp, 10, 64)
		if mk.Timestamp == 0 {
			return nil //丢弃非行情数据
		}
		var ask, bid PP
		ask[0] = btctickws.Data.Sell
		bid[0] = btctickws.Data.Buy
		mk.Asks = append(mk.Asks, ask)
		mk.Bids = append(mk.Bids, bid)
		mk.High = btctickws.Data.High
		mk.LastPrice, _ = strconv.ParseFloat(btctickws.Data.Last, 32)
		mk.Low = btctickws.Data.Low
		mk.LastVolume, _ = strconv.ParseFloat(btctickws.Data.Vol, 32)
		if mk.LastPrice != 0 {
			bds.Save(mk)
		}
	}

	return nil
}

func btcInsMap() map[int64]*Instrument {
	insMap := make(map[int64]*Instrument)
	for _, id := range btcInss {
		x, _ := markinfo.SymbolName(id)
		u, _ := markinfo.SymbolUint(x)
		ins := &Instrument{
			Id:        int64(id),
			Name:      x,
			ExId:      market.Btc,
			Type:      market.Btcs,
			PriceInc:  u,
			StartTime: time.Now().Unix() * 1000,
		}
		insMap[int64(id)] = ins
	}
	return insMap
}