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

package tick

// 本文件实现general数据源接口, 实时数据和历史数据的获取和保存

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"io/ioutil"
	//"log"
	"net/http"
	"path"
	"strconv"
	"strings"
	"time"

	"tickserver/framework/event"
	"tickserver/markinfo"
	"tickserver/server/market"

	"github.com/niniwzw/http2"
)

var tr = &http2.Transport{
	InsecureTLSDial: true,
	Timeout:         2000 * time.Millisecond,
}

// GeneralDS实现了dataSource接口, 并对general的历史数据和实时数据保存
type GeneralDS struct {
	*market.DSBase
	cm           *CandleMaker
	client       *http.Client
	insPublisher event.EventPublisher
	insMap       map[string]*market.Instrument
	idMappingMap map[int64]string
	typ          string
	typId        int
	url          string
	st           int64
	curId        int64
}

type JsonResp2 struct {
	Result *json.RawMessage `json:"result"`
	Err    string           `json:"err"`
	Code   int              `json:"code"`
}

func NewGeneralDS(typ, url, fileserver, dataDir string, db *market.MyDB, bSSL bool) (*GeneralDS, error) {
	dir := dataDir + "/" + typ
	//now := time.Now()
	//st := time.Date(now.Year(), now.Month(), now.Day(), 6, 0, 0, 0, time.Local).Unix() * 1000
	typId := TypeId(typ)
	var client *http.Client
	if bSSL {
		client = &http.Client{Transport: tr}
	} else {
		client = &http.Client{}
	}
	gds := &GeneralDS{
		DSBase:       market.NewDsBase(db, dir),
		insMap:       make(map[string]*market.Instrument),
		idMappingMap: make(map[int64]string),
		typ:          typ,
		typId:        typId,
		url:          url,
		//st:           st,
		client: client,
		cm: &CandleMaker{
			typ:        typ,
			typId:      typId,
			url:        url,
			dataDir:    dataDir,
			fileserver: fileserver,
			db:         db,
			client:     client,
		},
	}
	gds.cm.gds = gds
	return gds, nil
}

func (gds *GeneralDS) SubIns() *event.Event {
	return gds.insPublisher.Event()
}

func (gds *GeneralDS) Run() {
	//log.Println("GeneralDS.Run, type:", gds.typ)

	/*goroutineNum := 64
	switch gds.typId {
	case IntLmax:
		goroutineNum = 8
	case IntEasyForex:
		goroutineNum = 4
	case IntCtp:
		goroutineNum = 32
	case IntDzh:
		goroutineNum = 64
	case IntTdx:
		goroutineNum = 512
	}*/
	go gds.DoReadEx()
	go gds.cm.run()
	//log.Println("getInss begin", gds.typ)
	gds.getInss()
	//log.Println("getInss end", gds.typ)
	//log.Println("load begin", gds.typ)
	gds.load()
	//log.Println("load end", gds.typ)
	//gds.download()
	//log.Println("stream begin", gds.typ)
	gds.stream()
	//log.Println("stream end", gds.typ)
}

func (gds *GeneralDS) load() {
	year := fmt.Sprintf("%d", time.Now().Year())
	for i, v := range gds.insMap {
		dir := path.Join(gds.cm.dataDir, gds.typ, i, year)
		//log.Println(dir)
		infos, err := ioutil.ReadDir(dir)
		if err != nil {
			//log.Println(err)
			continue
		}
		var curname string
		for j := 0; j < len(infos); j++ {
			if strings.HasSuffix(infos[j].Name(), ".tk.gz") {
				curname = infos[j].Name()
			}
		}
		tickfile := path.Join(dir, curname)
		ticks, _ := market.ReadTickFile(tickfile)
		//log.Println(tickfile, len(ticks))
		for _, tick := range ticks {
			var mk market.Market
			mk.InsId = v.Id
			mk.Timestamp = tick.Timestamp
			mk.Close = tick.Price
			mk.Low = tick.Price
			mk.High = tick.Price
			mk.Open = tick.Price
			mk.AllAmount = tick.Volume
			mk.AllVolume = tick.Volume
			mk.LastPrice = tick.Price
			mk.Volume = tick.Volume
			mk.Bids = make([]market.PP, 1)
			mk.Bids = append(mk.Bids, tick.Bid)
			mk.Asks = make([]market.PP, 1)
			mk.Asks = append(mk.Asks, tick.Ask)
			//time.Sleep(time.Millisecond)
			gds.SaveL(&mk)
		}
	}
}

func (gds *GeneralDS) getIns(id int64) (Instrument, error) {
	var ins Instrument
	req := &InstrumentRequest{Type: gds.typ, Id: id}
	body, err := httpReq(gds.client, "instrument", gds.url, req)
	if err != nil {
		//log.Println("httpreq", err)
		return ins, err
	}
	_, err = decodeResp(body, &ins)
	if err != nil {
		//log.Println("decodeResponse", err)
		return ins, err
	}

	return ins, nil
}

func (gds *GeneralDS) getInss() {
	for {
		req := &InstrumentsRequest{Type: gds.typ}
		body, err := httpReq(gds.client, "instruments", gds.url, req)
		if err != nil {
			//log.Println("httpreq", err)
			time.Sleep(10 * time.Second)
			continue
		}
		var inss []Instrument
		_, err = decodeResp(body, &inss)
		if err != nil {
			//log.Println("decodeResponse", err)
			return
		}
		for _, v := range inss {
			ins := tkIns2mkIns(gds.typ, v)
			//if tk.Type == IntSina {
			//log.Println("sssss", *ins)
			//}
			gds.idMappingMap[v.Id] = ins.Id
			gds.insMap[ins.Id] = ins
			gds.insPublisher.Publish(ins)
		}
		break
	}
}

func tkIns2mkIns(typ string, tIns Instrument) *market.Instrument {
	var insId string
	if typ == DataTypeName(IntCtp) {
		insId = typ + "_"
		intTyp := tIns.Id / 10000
		insTyp, _ := ctpTyps[int(intTyp)]
		insId += insTyp
		intSuffix := tIns.Id % 10000
		insId += strconv.Itoa(int(intSuffix))
	} else if typ == DataTypeName(IntEasyForex) || typ == DataTypeName(IntOanda) || typ == DataTypeName(IntBtc) || typ == DataTypeName(IntPolo) || typ == DataTypeName(IntBty) || typ == DataTypeName(IntCFix) || typ == DataTypeName(IntHuobi) || typ == DataTypeName(IntYunbi) || typ == DataTypeName(IntChbtc) {
		idStr, _ := markinfo.SymbolName(int(tIns.Id))
		insId = typ + "_" + idStr
	} else {
		if typ == Sina || typ == Dzh || typ == Tdx {
			insId = typ + "_" + fmt.Sprintf("%06d", tIns.Id)
		} else {
			insId = typ + "_" + fmt.Sprintf("%d", tIns.Id)
		}
	}

	ins := &market.Instrument{
		Id:        insId,
		Name:      tIns.Name,
		Typ:       tIns.Type,
		ExId:      tIns.ExId,
		PriceInc:  tIns.PriceInc,
		Margin:    tIns.Margin,
		StartTime: tIns.StartTime,
		EndTime:   tIns.EndTime,
	}
	return ins
}

func (gds *GeneralDS) download() {
	var offset int
	num := 1000
	downstart := gds.st
	downid := gds.curId
	for num >= 1000 {
		req := &DownloadRequest{Type: gds.typ, Start: downstart, End: downid, Offset: offset, Count: 1000, OrderBy: "time asc"}
		//log.Println("download", req)
		body, err := httpReq(gds.client, "download", gds.url, req)
		if err != nil {
			//log.Println("httpReq", err)
			return
		}
		var ticks []*Market
		_, err = decodeResp(body, &ticks)
		if err != nil {
			//log.Println("decodeResp", err)
			return
		}
		//log.Println("download num:", len(ticks))
		for _, v := range ticks {
			if v.Type != int32(gds.typId) {
				//log.Println("download wrongggggggggg typ", v.Type, gds.typId)
				continue
			}
			//gds.st = v.Timestamp
			//gds.curId = v.InsId
			ins := gds.addIns(v.InsId)
			if nil == ins {
				continue
			}
			mk := tMk2mMk(*v, ins)
			//ins.SetMk(&mk)
			gds.Save(&mk)
			//printDelay(DataTypeName(int(v.Type)), "eeeee"+fmt.Sprint(v.InsId), v.Timestamp)
		}
		//log.Println(ticks)
		num = len(ticks)
		offset += num
	}
}

func (gds *GeneralDS) stream() {
	for {
		req := &StreamRequest{Type: gds.typ}
		//log.Println("streamReq begin", gds.typ)
		body, err := streamReq(gds.client, "stream", gds.url, req)
		if err != nil {
			//log.Println("streamReq", err)
			time.Sleep(10 * time.Second)
			continue
		}
		//log.Println("streamReq end", gds.typ)
		decoder := json.NewDecoder(body)
		var tick Market
		for {
			//fmt.Printf("[O]")
			err = decoder.Decode(&tick)
			//fmt.Printf("[C]")
			if err != nil {
				body.Close()
				//log.Println("connect retry...", err)
				time.Sleep(time.Second * 1)
				break
			}
			if tick.Type != int32(gds.typId) {
				//log.Println("stream wrongggggggggg typ", tick.Type, gds.typId)
				continue
			}
			gds.st = tick.Timestamp
			gds.curId = tick.InsId
			ins := gds.addIns(tick.InsId)
			if nil == ins {
				continue
			}
			//if gds.typId == IntTdx && tick.InsId == 1 {
			//log.Println("[stream]data trace")
			//}
			mk := tMk2mMk(tick, ins)
			ins.SetMk(&mk)
			gds.Save(&mk)
		}
	}
}

func decodeResp(datain []byte, dataout interface{}) (int, error) {
	var resp JsonResp2
	err := json.Unmarshal(datain, &resp)
	if err != nil {
		return -1, err
	}
	if resp.Err != "" {
		return -1, errors.New(resp.Err)
	}
	if resp.Result == nil {
		return 0, nil
	}
	json.Unmarshal(*resp.Result, &dataout)
	return 0, nil
}

func httpReq(client *http.Client, name, url string, req interface{}) ([]byte, error) {
	s, err := json.Marshal(req)
	if err != nil {
		return nil, err
	}
	resp, err := client.Post(url+name, "text/json", bytes.NewBuffer(s))
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}
	//log.Println(string(body))
	return body, nil
}

func streamReq(client *http.Client, name, url string, req interface{}) (io.ReadCloser, error) {
	s, err := json.Marshal(req)
	if err != nil {
		return nil, err
	}
	resp, err := client.Post(url+name, "text/json", bytes.NewBuffer(s))
	if err != nil {
		return nil, err
	}
	return resp.Body, err
}

func (gds *GeneralDS) getInsIdStr(intInsId int64) string {
	insIdStr, ok := gds.idMappingMap[intInsId]
	if ok {
		return insIdStr
	} else {
		return ""
	}
}

func (gds *GeneralDS) addIns(insId int64) *market.Instrument {
	insIdStr, ok := gds.idMappingMap[insId]
	if ok {
		ins, ok1 := gds.insMap[insIdStr]
		if !ok1 {
			//log.Println("addIns wrongggggggggg idmapping", gds.typ, insId, insIdStr)
		}
		return ins
	} else {
		tmpIns, err := gds.getIns(insId)
		if err != nil {
			//log.Println("addIns wrongggggggggg ins", gds.typ, insId, err)
			return nil
		}
		if tmpIns.Id != insId {
			//log.Println("addIns wrongggggggggg insId", gds.typ, insId, tmpIns.Id)
			return nil
		}
		ins := tkIns2mkIns(gds.typ, tmpIns)
		//if tk.Type == IntSina {
		//log.Println("sssss", insId, tmpIns, *ins)
		//}
		gds.insMap[ins.Id] = ins
		gds.idMappingMap[tmpIns.Id] = ins.Id
		gds.insPublisher.Publish(ins)

		return ins
	}
	return nil
}

func tMk2mMk(tick Market, ins *market.Instrument) market.Market {
	mk := market.Market{
		InsId:     ins.Id,
		Timestamp: tick.Timestamp,
		Close:     tick.Close,
		Open:      tick.Open,
		High:      tick.High,
		Low:       tick.Low,
		AllVolume: tick.AllVolume,
		AllAmount: tick.AllAmount,
		LastPrice: tick.LastPrice,
		Volume:    tick.LastVolume,
	}
	mk.Bids = make([]market.PP, len(tick.Bids))
	for i, v := range tick.Bids {
		mk.Bids[i][0] = v[0]
		mk.Bids[i][1] = v[1]
	}
	mk.Asks = make([]market.PP, len(tick.Asks))
	for i, v := range tick.Asks {
		mk.Asks[i][0] = v[0]
		mk.Asks[i][1] = v[1]
	}
	mk.SetIns(ins)

	return mk
}

const (
	jm = iota
	TC
	RM
	SR
	bu
	a
	ru
	i
	al
	y
	b
	zn
	fb
	j
	ag
	PM
	TA
	IF
	c
	pb
	l
	TF
	hc
	SF
	m
	fu
	wr
	CF
	RI
	v
	JR
	SM
	cu
	rb
	bb
	pp
	FG
	RS
	WH
	au
	jd
	p
	MA
	LR
	IH
	IC
)

var ctpTypMap map[string]int
var ctpTyps = map[int]string{
	jm: "JM",
	TC: "TC",
	RM: "RM",
	SR: "SR",
	bu: "BU",
	a:  "A",
	ru: "RU",
	i:  "I",
	al: "AL",
	y:  "Y",
	b:  "B",
	zn: "ZN",
	fb: "FB",
	j:  "J",
	ag: "AG",
	PM: "PM",
	TA: "TA",
	IF: "IF",
	c:  "C",
	pb: "PB",
	l:  "L",
	TF: "TF",
	hc: "HC",
	SF: "SF",
	m:  "M",
	fu: "FU",
	wr: "WR",
	CF: "CF",
	RI: "RI",
	v:  "V",
	JR: "JR",
	SM: "SM",
	cu: "CU",
	rb: "RB",
	bb: "BB",
	pp: "PP",
	FG: "FG",
	RS: "RS",
	WH: "WH",
	au: "AU",
	jd: "JD",
	p:  "P",
	MA: "MA",
	LR: "LR",
	IH: "IH",
	IC: "IC",
}

type tPoint struct {
	hour, minute int
}

type tInterval struct {
	st, et tPoint
}

var shefTi = []tInterval{
	{tPoint{9, 0}, tPoint{10, 15}},
	{tPoint{10, 30}, tPoint{11, 30}},
	{tPoint{13, 30}, tPoint{15, 0}},
	{tPoint{21, 0}, tPoint{23, 59}},
	{tPoint{0, 0}, tPoint{2, 30}},
}

var decAndCzceTi = []tInterval{
	{tPoint{9, 0}, tPoint{10, 15}},
	{tPoint{10, 30}, tPoint{11, 30}},
	{tPoint{13, 30}, tPoint{15, 0}},
}

var cffexTi = []tInterval{
	{tPoint{9, 15}, tPoint{11, 30}},
	{tPoint{13, 0}, tPoint{15, 15}},
}

/*func (gds *GeneralDS) download() {
	var offset int
	num := 1000
	start := gds.st
	for num >= 1000 {
		req := &DownloadRequest{Type: gds.typ, Start: start, End: 0, Offset: offset, Count: 1000, OrderBy: "time asc"}
		log.Println("download", req)
		body, err := httpReq(gds.client, "download", gds.url, req)
		if err != nil {
			log.Println("httpReq", err)
			return
		}
		var ticks []*Market
		_, err = decodeResp(body, &ticks)
		if err != nil {
			log.Println("decodeResp", err)
			return
		}
		log.Println("download num:", len(ticks))
		for _, v := range ticks {
			if v.Type != int32(gds.typId) {
				log.Println("download wrongggggggggg typ", v.Type, gds.typId)
				continue
			}
			gds.st = v.Timestamp
			ins := gds.addIns(*v)
			if nil == ins {
				continue
			}
			mk := tMk2mMk(*v, ins)
			//ins.SetMk(&mk)
			gds.Save(&mk)
			//printDelay(DataTypeName(int(v.Type)), "eeeee"+fmt.Sprint(v.InsId), v.Timestamp)
		}
		//log.Println(ticks)
		num = len(ticks)
		offset += num
	}
}*/

/*func (gds *GeneralDS) download() {
	var offset int
	var lastSt, lastTime int64
	bSorted := true
	num := 1000
	for num >= 1000 {
		if bSorted {
			if gds.st == lastSt {
				offset += num
			} else {
				offset = 0
			}
		} else {
			gds.st = lastSt
			offset += num
		}

		req := &DownloadRequest{Type: gds.typ, Start: gds.st, End: 0, Offset: offset, Count: 1000, OrderBy: "time asc"}
		log.Println("download", req)
		lastSt = gds.st
		body, err := httpReq(gds.client, "download", gds.url, req)
		if err != nil {
			log.Println("httpReq", err)
			return
		}
		var ticks []*Market
		_, err = decodeResp(body, &ticks)
		if err != nil {
			log.Println("decodeResp", err)
			return
		}
		log.Println("download num:", len(ticks))
		for _, v := range ticks {
			gds.st = v.Timestamp
			if gds.st < lastTime {
				bSorted = false
				log.Println("not sorted")
			}
			lastTime = gds.st
			ins := gds.addIns(*v)
			mk := tMk2mMk(*v, ins)
			ins.SetMk(&mk)
			gds.Save(&mk)
			//printDelay(DataTypeName(int(v.Type)), "eeeee"+fmt.Sprint(v.InsId), v.Timestamp)
		}
		//log.Println(ticks)
		num = len(ticks)
		//offset += num
	}
}*/