package data

import (
	"encoding/json"
	"errors"
	"eta/eta_api/models/data_manage"
	"eta/eta_api/utils"
	"fmt"
	"github.com/shopspring/decimal"
	"github.com/yidane/formula"
	"math"
	"strconv"
	"strings"
	"time"
)

func CheckFormula(formula string) map[string]string {
	mathFormula := []string{"MAX", "MIN", "ABS", "ACOS", "ASIN", "CEIL", "MOD", "POW", "ROUND", "SIGN", "SIN", "TAN", "LOG10", "LOG2", "LOG", "LN"}

	str := strings.ToUpper(formula)
	for _, v := range mathFormula {
		str = strings.Replace(str, v, "", -1)
	}
	str = strings.Replace(str, "(", "", -1)
	str = strings.Replace(str, ")", "", -1)

	byteMap := make(map[string]string)
	for i := 0; i < len(str); i++ {
		byteInt := str[i]
		if byteInt >= 65 && byteInt <= 90 {
			byteStr := string(byteInt)
			if _, ok := byteMap[byteStr]; !ok {
				byteMap[byteStr] = byteStr
			}
		}
	}
	return byteMap
}

// CheckFormula2 校验公式是否正常（比如说除法的分母不能为0之类的，实际上就是用预设的字段数据做一次计算）
func CheckFormula2(edbInfoArr []*data_manage.EdbInfo, formulaMap map[string]string, formulaStr string, edbInfoIdBytes []string) (ok bool, err error) {
	valArr := make(map[int]float64)
	for _, v := range edbInfoArr {
		valArr[v.EdbInfoId] = 100
	}
	formulaStr = strings.ToUpper(formulaStr)
	formulaFormStr := ReplaceFormula(edbInfoArr, valArr, formulaMap, formulaStr, edbInfoIdBytes)
	if formulaFormStr == "" {
		return
	}
	expression := formula.NewExpression(formulaFormStr)
	_, err = expression.Evaluate()
	if err != nil {
	} else {
		ok = true
	}
	return
}

type CalculateItems struct {
	EdbInfoId int
	DataMap   map[string]float64
}

func Calculate(edbInfoIdArr []*data_manage.EdbInfo, edbInfoId int, edbCode, formulaStr string, edbInfoIdBytes []string) (err error) {
	defer func() {
		if err != nil {
			utils.FileLog.Info("Calculate Err:%s" + err.Error())
		}
	}()
	saveDataMap := make(map[string]map[int]float64)
	for _, v := range edbInfoIdArr {
		var condition string
		var pars []interface{}
		condition += " AND edb_info_id=? "
		pars = append(pars, v.EdbInfoId)
		dataList, err := data_manage.GetEdbDataListAll(condition, pars, v.Source, 1)
		if err != nil {
			return err
		}
		dataMap := make(map[string]float64)
		for _, dv := range dataList {
			if val, ok := saveDataMap[dv.DataTime]; ok {
				if _, ok := val[v.EdbInfoId]; !ok {
					val[v.EdbInfoId] = dv.Value
				}
			} else {
				temp := make(map[int]float64)
				temp[v.EdbInfoId] = dv.Value
				saveDataMap[dv.DataTime] = temp
			}
		}
		item := new(CalculateItems)
		item.EdbInfoId = v.EdbInfoId
		item.DataMap = dataMap
	}
	formulaMap := CheckFormula(formulaStr)
	addSql := ` INSERT INTO edb_data_calculate(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	nowStr := time.Now().Format(utils.FormatDateTime)
	var isAdd bool
	for sk, sv := range saveDataMap {
		formulaStr = strings.ToUpper(formulaStr)
		formulaFormStr := ReplaceFormula(edbInfoIdArr, sv, formulaMap, formulaStr, edbInfoIdBytes)
		if formulaStr == "" {
			return
		}
		if formulaFormStr != "" {
			expression := formula.NewExpression(formulaFormStr)
			calResult, err := expression.Evaluate()
			if err != nil {
				err = errors.New("计算失败：Err:" + err.Error() + ";formulaStr:" + formulaFormStr)
				fmt.Println(err)
				return err
			}
			calVal, err := calResult.Float64()
			if err != nil {
				err = errors.New("计算失败：获取计算值失败 Err:" + err.Error() + ";formulaStr:" + formulaFormStr)
				fmt.Println(err)
				return err
			}

			//需要存入的数据
			{
				dataTime, _ := time.Parse(utils.FormatDate, sk)
				timestamp := dataTime.UnixNano() / 1e6
				timeStr := fmt.Sprintf("%d", timestamp)
				addSql += "("
				addSql += strconv.Itoa(edbInfoId) + "," + "'" + edbCode + "'" + "," + "'" + sk + "'" + "," + utils.SubFloatToString(calVal, 4) + "," + "'" + nowStr + "'" +
					"," + "'" + nowStr + "'" + "," + "1"
				addSql += "," + "'" + timeStr + "'"
				addSql += "),"
				isAdd = true
			}
		} else {
			fmt.Println("formulaFormStr is empty")
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		data_manage.AddEdbDataCalculateBySql(addSql)
		if err != nil {
			fmt.Println("AddEdbDataCalculate Err:" + err.Error())
			return err
		}
	}
	return
}

func ReplaceFormula(edbInfoIdArr []*data_manage.EdbInfo, valArr map[int]float64, formulaMap map[string]string, formulaStr string, edbInfoIdBytes []string) string {
	funMap := GetFormulaMap()
	for k, v := range funMap {
		formulaStr = strings.Replace(formulaStr, k, v, -1)
	}
	replaceCount := 0
	for dk, dv := range edbInfoIdArr {
		if dk == 0 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				} else {
					fmt.Println("valArr not found:", valArr, valOk)
				}
			} else {
				fmt.Println("formulaMap not found:", dKey, dk)
			}
		}
		if dk == 1 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				} else {
					fmt.Println("valArr not found:", valArr, valOk)
				}
			} else {
				fmt.Println("formulaMap not found:", dKey, dk)
			}
		}
		if dk == 2 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 3 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 4 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 5 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 6 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 7 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 8 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 9 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 10 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 11 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 12 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 13 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 14 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 15 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 16 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 17 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 18 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 19 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 20 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 21 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 22 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 23 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 24 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
		if dk == 25 {
			dKey := edbInfoIdBytes[dk]
			if _, ok := formulaMap[dKey]; ok { //公式中存在
				if val, valOk := valArr[dv.EdbInfoId]; valOk { //值存在
					dvStr := fmt.Sprintf("%v", val)
					formulaStr = strings.Replace(formulaStr, dKey, dvStr, -1)
					replaceCount++
				}
			}
		}
	}
	for k, v := range funMap {
		formulaStr = strings.Replace(formulaStr, v, k, -1)
	}
	if replaceCount == len(formulaMap) {
		return formulaStr
	} else {
		return ""
	}
}

func GetFormulaMap() map[string]string {
	funMap := make(map[string]string)
	funMap["MAX"] = "[@@]"
	funMap["MIN"] = "[@!]"
	funMap["ABS"] = "[@#]"
	funMap["CEIL"] = "[@$]"
	funMap["COS"] = "[@%]"
	funMap["FLOOR"] = "[@^]"
	funMap["MOD"] = "[@&]"
	funMap["POW"] = "[@*]"
	funMap["ROUND"] = "[@(]"
	return funMap
}

// 刷新数据
func RefreshCalculate(edbInfoIdArr []*data_manage.EdbInfo, edbInfoId int, edbCode, formulaStr, startDate, endDate string, edbInfoIdBytes []string) (err error) {
	defer func() {
		if err != nil {
			fmt.Println("RefreshCalculate:Err " + err.Error())
			utils.FileLog.Info("Calculate Err:%s" + err.Error())
		}
	}()
	saveDataMap := make(map[string]map[int]float64)
	for _, v := range edbInfoIdArr {
		var condition string
		var pars []interface{}
		condition += " AND edb_info_id=? "
		pars = append(pars, v.EdbInfoId)
		if startDate != "" {
			condition += " AND data_time>=? "
			pars = append(pars, startDate)
		}
		if endDate != "" {
			condition += " AND data_time<=? "
			pars = append(pars, endDate)
		}
		dataList, err := data_manage.GetEdbDataListAll(condition, pars, v.Source, 1)
		if err != nil {
			return err
		}
		dataMap := make(map[string]float64)
		for _, dv := range dataList {
			if val, ok := saveDataMap[dv.DataTime]; ok {
				if _, ok := val[v.EdbInfoId]; !ok {
					val[v.EdbInfoId] = dv.Value
				}
			} else {
				temp := make(map[int]float64)
				temp[v.EdbInfoId] = dv.Value
				saveDataMap[dv.DataTime] = temp
			}
		}
		item := new(CalculateItems)
		item.EdbInfoId = v.EdbInfoId
		item.DataMap = dataMap
	}

	formulaMap := CheckFormula(formulaStr)
	addSql := ` INSERT INTO edb_data_calculate(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	nowStr := time.Now().Format(utils.FormatDateTime)
	var isAdd bool

	for sk, sv := range saveDataMap {
		formulaStr = strings.ToUpper(formulaStr)
		formulaFormStr := ReplaceFormula(edbInfoIdArr, sv, formulaMap, formulaStr, edbInfoIdBytes)
		if formulaFormStr != "" {
			utils.FileLog.Info("formulaFormStr:%s", formulaFormStr)
			expression := formula.NewExpression(formulaFormStr)
			calResult, err := expression.Evaluate()
			if err != nil {
				err = errors.New("计算失败：Err:" + err.Error() + ";formulaStr:" + formulaFormStr)
				fmt.Println(err)
				return err
			}
			calVal, err := calResult.Float64()
			if err != nil {
				err = errors.New("计算失败：获取计算值失败 Err:" + err.Error() + ";formulaStr:" + formulaFormStr)
				fmt.Println(err)
				return err
			}

			count, err := data_manage.GetEdbDataCalculateByCodeAndDate(edbCode, sk)
			if err != nil && err.Error() != utils.ErrNoRow() {
				return err
			}
			if count <= 0 { //需要存入的数据
				dataTime, _ := time.Parse(utils.FormatDate, sk)
				timestamp := dataTime.UnixNano() / 1e6
				timeStr := fmt.Sprintf("%d", timestamp)
				addSql += "("
				addSql += strconv.Itoa(edbInfoId) + "," + "'" + edbCode + "'" + "," + "'" + sk + "'" + "," + utils.SubFloatToString(calVal, 4) + "," + "'" + nowStr + "'" +
					"," + "'" + nowStr + "'" + "," + "1"
				addSql += "," + "'" + timeStr + "'"
				addSql += "),"
				isAdd = true
			} else {
				calVal = utils.FixFloat(calVal, 4)
				err = data_manage.ModifyEdbDataCalculate(int64(edbInfoId), sk, calVal)
				if err != nil {
					return err
				}
			}
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		data_manage.AddEdbDataCalculateBySql(addSql)
		if err != nil {
			fmt.Println("AddEdbDataCalculate Err:" + err.Error())
			return err
		}
	}
	return
}

// 处理整个数据
func handleDateSaveDataMap(dateList []string, realSaveDataMap, saveDataMap map[string]map[int]float64, edbInfoIdArr []*data_manage.EdbInfo) {
	for _, date := range dateList {
		tmpDataMap := realSaveDataMap[date]
		for _, edbInfo := range edbInfoIdArr {
			tmpEdbInfoId := edbInfo.EdbInfoId // 当前指标id
			// 如果该日期不存在该指标数据，那么需要找寻前后日期的数据，进行填补
			if _, ok := tmpDataMap[tmpEdbInfoId]; !ok {
				//day := 0
				//switch edbInfo.Frequency {
				//case "周度":
				//	day = 7
				//case "旬度":
				//	day = 15
				//case "月度":
				//	day = 30
				//case "季度":
				//	day = 90
				//case "年度":
				//	day = 365
				//}
				// 需求池 255 指标运算文案修改，补数据遍历区间修改（2023-3-7 09:37:23修改）
				day := 35
				handleDateDataMap(realSaveDataMap, saveDataMap, date, tmpEdbInfoId, day)
			}
		}
	}
}

// handleDataMap 处理单个日期的数据
func handleDateDataMap(realSaveDataMap, saveDataMap map[string]map[int]float64, date string, edbInfoId, day int) {
	currDate, _ := time.ParseInLocation(utils.FormatDate, date, time.Local)

	// 后一天
	nextDateDayStr := currDate.AddDate(0, 0, 1).Format(utils.FormatDate)

	// 前一天
	preDateDayStr := currDate.AddDate(0, 0, -1).Format(utils.FormatDate)

	for i := 1; i <= day; i++ {

		// 下个日期的数据
		{
			if i >= 1 {
				nextDateDayStr = currDate.AddDate(0, 0, i).Format(utils.FormatDate)
			}
			if findDataMap, hasFindDataMap := realSaveDataMap[nextDateDayStr]; hasFindDataMap { // 下一个日期有数据
				if val, hasFindItem := findDataMap[edbInfoId]; hasFindItem {
					saveDataMap[date][edbInfoId] = val
					return
				}
			}
		}

		// 上个日期的数据
		{
			if i >= 1 {
				preDateDayStr = currDate.AddDate(0, 0, -i).Format(utils.FormatDate)
			}
			if findDataMap, hasFindDataMap := realSaveDataMap[preDateDayStr]; hasFindDataMap { // 下一个日期有数据
				if val, hasFindItem := findDataMap[edbInfoId]; hasFindItem {
					saveDataMap[date][edbInfoId] = val
					return
				}
			}
		}
	}
}

// handleDataByLinearRegression 插值法补充数据(线性方程式)
func handleDataByLinearRegression(edbInfoDataList []*data_manage.EdbDataList, handleDataMap map[string]float64) (err error) {
	if len(edbInfoDataList) < 2 {
		return
	}

	var startEdbInfoData *data_manage.EdbDataList
	for _, v := range edbInfoDataList {
		handleDataMap[v.DataTime] = v.Value

		// 第一个数据就给过滤了,给后面的试用
		if startEdbInfoData == nil {
			startEdbInfoData = v
			continue
		}

		// 获取两条数据之间相差的天数
		startDataTime, _ := time.ParseInLocation(utils.FormatDate, startEdbInfoData.DataTime, time.Local)
		currDataTime, _ := time.ParseInLocation(utils.FormatDate, v.DataTime, time.Local)
		betweenHour := int(currDataTime.Sub(startDataTime).Hours())
		betweenDay := betweenHour / 24

		// 如果相差一天,那么过滤
		if betweenDay <= 1 {
			startEdbInfoData = v
			continue
		}

		// 生成线性方程式
		var a, b float64
		{
			coordinateData := make([]utils.Coordinate, 0)
			tmpCoordinate1 := utils.Coordinate{
				X: 1,
				Y: startEdbInfoData.Value,
			}
			coordinateData = append(coordinateData, tmpCoordinate1)
			tmpCoordinate2 := utils.Coordinate{
				X: float64(betweenDay) + 1,
				Y: v.Value,
			}
			coordinateData = append(coordinateData, tmpCoordinate2)

			a, b = utils.GetLinearResult(coordinateData)
			if math.IsNaN(a) || math.IsNaN(b) {
				err = errors.New("线性方程公式生成失败")
				return
			}
		}

		// 生成对应的值
		{
			for i := 1; i < betweenDay; i++ {
				tmpDataTime := startDataTime.AddDate(0, 0, i)
				aDecimal := decimal.NewFromFloat(a)
				xDecimal := decimal.NewFromInt(int64(i) + 1)
				bDecimal := decimal.NewFromFloat(b)

				val, _ := aDecimal.Mul(xDecimal).Add(bDecimal).Round(4).Float64()
				handleDataMap[tmpDataTime.Format(utils.FormatDate)] = val
			}
		}

		startEdbInfoData = v
	}

	return
}

// HandleDataByLinearRegression 插值法补充数据(线性方程式)
func HandleDataByLinearRegression(edbInfoDataList []*data_manage.EdbDataList, handleDataMap map[string]float64) (err error) {
	return handleDataByLinearRegression(edbInfoDataList, handleDataMap)
}

// CallCalculateComputeCorrelation 调用计算拟合残差的相关系数
func CallCalculateComputeCorrelation(data *data_manage.EdbInfoCalculateBatchSaveReqByEdbLib) (val string, err error, errMsg string) {
	errMsg = "计算失败"
	// 调用指标库去更新
	reqJson, err := json.Marshal(data)
	if err != nil {
		errMsg = "计算相关系数参数解析异常！"
		err = errors.New("参数解析失败，Err:" + err.Error())
		return
	}
	respItem, err := CalculateComputeCorrelation(string(reqJson))
	if err != nil {
		return
	}

	if respItem.Ret == 200 {
		val = respItem.Data
	}

	return
}