package jxutils

import (
	"crypto/md5"
	"fmt"
	"io/ioutil"
	"math"
	"net/http"
	"reflect"
	"regexp"
	"strings"
	"sync"
	"time"

	"git.rosy.net.cn/baseapi/platformapi"
	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/globals"
)

var (
	storeNamePat = regexp.MustCompile(`([^(\[（【)\]）】\-\s]*)[(\[（【\-\s]+([^(\[（【)\]）】\-]*)[)\]）】]*`)
)

// 合并得到最终的门店状态
func MergeStoreStatus(status int, vendorStatus int) int {
	if status < vendorStatus {
		return status
	}
	return vendorStatus
}

func MergeSkuStatus(skuStatus int, storeSkuStatus int) int {
	if skuStatus < storeSkuStatus {
		return skuStatus
	}
	return storeSkuStatus
}

func SplitSlice(list interface{}, batchCount int) (listInList [][]interface{}) {
	typeInfo := reflect.TypeOf(list)
	if typeInfo.Kind() != reflect.Slice {
		panic("list must be slice")
	}
	valueInfo := reflect.ValueOf(list)
	len := valueInfo.Len()
	if len > 0 {
		listInListLen := (len-1)/batchCount + 1
		listInList = make([][]interface{}, listInListLen)
		index := 0
		for i := 0; i < len; i++ {
			if i%batchCount == 0 {
				index = i / batchCount
				arrLen := len - i
				if arrLen > batchCount {
					arrLen = batchCount
				}
				listInList[index] = make([]interface{}, arrLen)
			}
			listInList[index][i%batchCount] = valueInfo.Index(i).Interface()
		}
	}
	return listInList
}

func SplitStoreName(fullName, separator, defaultPrefix string) (prefix, bareName string) {
	names := strings.Split(fullName, separator)
	if len(names) == 2 {
		prefix = names[0]
		bareName = names[1]
	} else {
		searchResult := storeNamePat.FindStringSubmatch(fullName)
		if searchResult != nil {
			prefix = searchResult[1]
			bareName = strings.Trim(strings.Trim(searchResult[2], defaultPrefix), separator)
		} else {
			prefix = defaultPrefix
			bareName = strings.Trim(strings.Trim(fullName, defaultPrefix), separator)
		}
	}
	return TrimDecorationChar(prefix), TrimDecorationChar(bareName)
}

func ComposeStoreName(bareName string, vendorID int) (fullName string) {
	bareName = TrimDecorationChar(strings.Trim(bareName, "-"))
	if vendorID == model.VendorIDJD {
		fullName = globals.StoreName + "-" + bareName
	} else {
		fullName = globals.StoreName + "(" + bareName + ")"
	}
	return fullName
}

func StrTime2JxOperationTime(strTime string, defValue int16) int16 {
	if timeValue, err := time.Parse("15:04:05", strTime); err == nil {
		return int16(timeValue.Hour()*100 + timeValue.Minute())
	}
	return defValue
}

func JxOperationTime2StrTime(value int16) string {
	return fmt.Sprintf("%02d:%02d", value/100, value%100)
}

func GetPolygonFromCircle(lng, lat, distance float64, pointCount int) (points [][2]float64) {
	points = make([][2]float64, pointCount)
	for k := range points {
		angle := float64(k) * 360 / float64(pointCount)
		points[k][0], points[k][1] = ConvertDistanceToLogLat(lng, lat, float64(distance), angle)
	}
	return points
}

func GetPolygonFromCircleStr(lng, lat, distance float64, pointCount int) string {
	return CoordinatePoints2Str(GetPolygonFromCircle(lng, lat, distance, pointCount))
}

func CoordinatePoints2Str(points [][2]float64) string {
	points2 := make([]string, len(points))
	for k, v := range points {
		points2[k] = fmt.Sprintf("%.6f,%.6f", v[0], v[1])
	}
	return strings.Join(points2, ";")
}

func CoordinateStr2Points(pointsStr string) (points [][2]float64) {
	strPoints := strings.Split(pointsStr, ";")
	for _, v := range strPoints {
		strPoint := strings.Split(v, ",")
		if len(strPoint) >= 2 {
			points = append(points, [2]float64{utils.Str2Float64(strPoint[0]), utils.Str2Float64(strPoint[1])})
		}
	}
	return points
}

func IntMap2List(intMap map[int]int) []int {
	retVal := make([]int, len(intMap))
	index := 0
	for k := range intMap {
		retVal[index] = k
		index++
	}
	return retVal
}

func Int64Map2List(int64Map map[int64]int) []int64 {
	retVal := make([]int64, len(int64Map))
	index := 0
	for k := range int64Map {
		retVal[index] = k
		index++
	}
	return retVal
}

func StringMap2List(stringMap map[string]int) []string {
	retVal := make([]string, len(stringMap))
	index := 0
	for k := range stringMap {
		retVal[index] = k
		index++
	}
	return retVal
}

func RegularizeSkuQuality(specQuality float32, specUnit string) (g int) {
	lowerSpecUnit := strings.ToLower(specUnit)
	if lowerSpecUnit == "kg" || lowerSpecUnit == "l" {
		specQuality *= 1000
	}
	return int(specQuality)
}

//  计算SKU价格，unitPrice为一斤的单价，specQuality为质量，单位为克
func CaculateSkuPrice(unitPrice int, specQuality float32, specUnit string, skuNameUnit string) int {
	if skuNameUnit != model.SpecialUnit {
		return unitPrice
	}
	specQuality2 := RegularizeSkuQuality(specQuality, specUnit)
	price := int(math.Round(float64(unitPrice * specQuality2 / model.SpecialSpecQuality)))
	if specQuality2 < 250 {
		price = price * 110 / 100
	} else if specQuality2 < 500 {
		price = price * 105 / 100
	}
	if price <= 0 {
		price = 1
	}
	return price
}

//  计算SKU标准价格，CaculateSkuPrice的逆过程
func CaculateUnitPrice(skuPrice int, specQuality float32, specUnit string, skuNameUnit string) (unitPrice int) {
	if skuNameUnit != model.SpecialUnit {
		return skuPrice
	}
	specQuality2 := RegularizeSkuQuality(specQuality, specUnit)
	unitPrice = skuPrice * model.SpecialSpecQuality / specQuality2
	if specQuality2 < 250 {
		unitPrice = unitPrice * 100 / 110
	} else if specQuality2 < 500 {
		unitPrice = unitPrice * 100 / 105
	}
	if unitPrice <= 0 {
		unitPrice = 1
	}
	return unitPrice
}

func GetSliceLen(list interface{}) int {
	return reflect.ValueOf(list).Len()
}

func CaculateSkuVendorPrice(price, percentage, catPercentage int) int {
	if percentage <= 10 || percentage >= 400 {
		percentage = 100
	}
	if catPercentage <= 10 || catPercentage >= 400 {
		catPercentage = 100
	}
	percentage = percentage * catPercentage / 100
	vendorPrice := int(math.Round(float64(price*percentage) / 100))
	if vendorPrice < 0 {
		vendorPrice = 0
	}
	return vendorPrice
}

func CaculateSkuPriceFromVendor(vendorPrice, percentage, catPercentage int) int {
	if percentage <= 10 || percentage >= 400 {
		percentage = 100
	}
	if catPercentage <= 10 || catPercentage >= 400 {
		catPercentage = 100
	}
	percentage = percentage * catPercentage / 100
	price := int(math.Round(float64(vendorPrice * 100 / percentage)))
	if price < 0 {
		price = 0
	}
	return price
}

func GetPricePercentage(l model.PricePercentagePack, unitPrice int, defPricePercentage int) (pricePercentage int) {
	pricePercentage = defPricePercentage
	if len(l) > 0 {
		var lastItem *model.PricePercentageItem
		for _, v := range l {
			lastItem = v
			if v.BeginPrice > unitPrice {
				break
			}
		}
		if lastItem != nil {
			pricePercentage = lastItem.PricePercentage
		}
	}
	return pricePercentage
}

func GetPricePercentageByVendorPrice(l model.PricePercentagePack, vendorPrice int, defPricePercentage int) (pricePercentage int) {
	pricePercentage = defPricePercentage
	if len(l) > 0 {
		var lastItem *model.PricePercentageItem
		for _, v := range l {
			lastItem = v
			if CaculateSkuVendorPrice(v.BeginPrice, v.PricePercentage, 0) > vendorPrice {
				break
			}
		}
		if lastItem != nil {
			pricePercentage = lastItem.PricePercentage
		}
	}
	return pricePercentage
}

func IsSkuSpecial(specQuality float32, specUnit string) bool {
	return int(specQuality) == model.SpecialSpecQuality && (specUnit == model.SpecialSpecUnit || specUnit == model.SpecialSpecUnit2)
}

var lastFakeID int64
var lastFakeIDMutex sync.RWMutex

// 生成一个不重复的临时ID
func genFakeID1() int64 {
	for {
		fakeID := time.Now().UnixNano() / 1000
		lastFakeIDMutex.RLock()
		if fakeID == lastFakeID {
			lastFakeIDMutex.RUnlock()
			time.Sleep(1 * time.Microsecond)
		} else {
			lastFakeIDMutex.RUnlock()
			lastFakeIDMutex.Lock()
			defer lastFakeIDMutex.Unlock()
			lastFakeID = fakeID
			return fakeID
		}
	}
}

// 这个用于没有打开远程同步时的假同步，生成ID使用
func GenFakeID() int64 {
	return genFakeID1() * 3
}

func IsFakeID(id int64) bool {
	if IsEmptyID(id) {
		return true
	}
	multiple := id / genFakeID1()
	return multiple >= 2 && multiple <= 4
}

func IsEmptyID(id int64) bool {
	return id == 0
}

func FormalizePageSize(pageSize int) int {
	return dao.FormalizePageSize(pageSize)
}

func FormalizeName(name string) string {
	return utils.TrimBlankChar(strings.Replace(strings.Replace(name, "\t", "", -1), "\"", "", -1))
}

func Int2OneZero(value int) int {
	if value != 0 {
		return 1
	}
	return 0
}

// 判断电话号码是否是假的，比如有****号
func IsMobileFake(mobile string) bool {
	return len(mobile) >= 13 || mobile == ""
}

func FormalizeMobile(mobile string) string {
	mobile = TrimDecorationChar(mobile)
	return strings.Replace(strings.Replace(mobile, "-", ",", -1), "_", ",", -1)
}

func IsLegalStoreID(id int) bool {
	return id >= 100000 && id < 200000
}

// 将规格转为重量
func FormatSkuWeight(specQuality float32, specUnit string) int {
	return RegularizeSkuQuality(specQuality, specUnit)
}

type SkuList []*model.Sku

func (s SkuList) Len() int {
	return len(s)
}

func (s SkuList) Less(i, j int) bool {
	if s[i].NameID == s[j].NameID {
		if s[i].SpecUnit == s[j].SpecUnit {
			return s[i].SpecQuality < s[j].SpecQuality
		}
		return s[i].SpecUnit < s[j].SpecUnit
	}
	return s[i].NameID < s[j].NameID
}

func (s SkuList) Swap(i, j int) {
	tmp := s[i]
	s[i] = s[j]
	s[j] = tmp
}

func DownloadFileByURL(fileURL string) (bodyData []byte, fileMD5 string, err error) {
	response, err := http.Get(fileURL)
	if err == nil {
		defer response.Body.Close()
		if response.StatusCode == http.StatusOK {
			if bodyData, err = ioutil.ReadAll(response.Body); err == nil {
				fileMD5 = fmt.Sprintf("%X", md5.Sum(bodyData))
			}
		} else {
			err = platformapi.ErrHTTPCodeIsNot200
		}
	}
	return bodyData, fileMD5, err
}

/////
func GenPicFileName(suffix string) string {
	return fmt.Sprintf("image/%x%s", md5.Sum([]byte(utils.GetUUID()+suffix)), suffix)
}

func GuessVendorIDFromVendorStoreID(vendorStoreID int64) (vendorID int) {
	vendorID = model.VendorIDUnknown
	if vendorStoreID > 10040008 && vendorStoreID < 98765432 { // 京东11733065，8位
		vendorID = model.VendorIDJD
	} else if vendorStoreID > 1234567 && vendorStoreID < 9876543 { // 美团外卖 2461713，7位
		vendorID = model.VendorIDMTWM
	} else if vendorStoreID > 1234567890 && vendorStoreID < 99876543210 { // 饿百 2167002607，10位，11位
		vendorID = model.VendorIDEBAI
	} else if vendorStoreID > 123456789 && vendorStoreID < 987654321 { // 微盟微商城 132091048，9位
		vendorID = model.VendorIDWSC
	} else if vendorStoreID > 123456 && vendorStoreID < 654321 { // 京西门店ID，6位
		vendorID = model.VendorIDJX
	}
	return vendorID
}

func GetVendorName(vendorID int) (vendorName string) {
	return model.VendorChineseNames[vendorID]
}

func CaculateSkuEarningPrice(shopPrice, salePrice int64, storePayPercentage int) (earningPrice int64) {
	earningPrice = salePrice
	if shopPrice > 0 && shopPrice < earningPrice {
		earningPrice = shopPrice
	}
	if storePayPercentage <= 0 {
		storePayPercentage = model.DefaultEarningPricePercentage
	}
	earningPrice = earningPrice * int64(storePayPercentage) / 100
	return earningPrice
}