package models

import (
	"errors"
	"fmt"
	"github.com/beego/beego/v2/client/orm"
	"github.com/yidane/formula"
	"hongze/hongze_edb_lib/services"
	"hongze/hongze_edb_lib/utils"
	"strconv"
	"strings"
	"time"
)

// EdbInfoCalculateSaveReq 计算（运算）指标请求参数
type EdbInfoCalculateSaveReq struct {
	AdminId          int    `description:"添加人id"`
	AdminName        string `description:"添加人名称"`
	EdbName          string `description:"指标名称"`
	Frequency        string `description:"频率"`
	Unit             string `description:"单位"`
	ClassifyId       int    `description:"分类id"`
	CalculateFormula string `description:"计算公式"`
	EdbInfoIdArr     []struct {
		EdbInfoId int    `description:"指标id"`
		FromTag   string `description:"指标对应标签"`
	}
}

// CalculateItems 计算（运算）指标信息
type CalculateItems struct {
	EdbInfoId int
	DataMap   map[string]float64
}

// AddCalculate 新增计算（运算）指标
func AddCalculate(edbInfoIdArr []*EdbInfo, edbInfoId int, edbCode, formulaStr string, edbInfoIdBytes []string) (err error) {
	o := orm.NewOrm()
	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 := 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 := services.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, ",")
		_, err = o.Raw(addSql).Exec()
		if err != nil {
			fmt.Println("AddEdbDataCalculate Err:" + err.Error())
			//errMsg = " tx.Exec Err :" + err.Error()
			return
		}
	}
	return
}

// RefreshAllCalculate 刷新全部数据
func RefreshAllCalculate(edbInfoIdArr []*EdbInfo, edbInfoId, source int, edbCode, formulaStr, startDate, endDate string, edbInfoIdBytes []string) (err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			fmt.Println("RefreshAllCalculate,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()
	fmt.Println(startDate, endDate)
	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)
		}
		fmt.Println("v.Source:", v.Source)
		dataList, err := 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 := services.CheckFormula(formulaStr)
	addSql := ` INSERT INTO edb_data_calculate(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	var isAdd bool

	//获取指标所有数据
	dataList := make([]*EdbData, 0)
	dataTableName := GetEdbDataTableName(source)
	sql := `SELECT * FROM %s WHERE edb_info_id=? `
	sql = fmt.Sprintf(sql, dataTableName)
	_, err = o.Raw(sql, edbInfoId).QueryRows(&dataList)
	if err != nil {
		return err
	}
	dataMap := make(map[string]string)
	for _, v := range dataList {
		dataMap[v.DataTime] = v.Value
	}
	edbInfoIdStr := strconv.Itoa(edbInfoId)
	existDataMap := make(map[string]string)
	for sk, sv := range saveDataMap {
		fmt.Println(sk, sv)
		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
			}

			saveValue := utils.SubFloatToString(calVal, 4)
			if existVal, ok := dataMap[sk]; !ok {
				dataTime, _ := time.Parse(utils.FormatDate, sk)
				timestamp := dataTime.UnixNano() / 1e6
				timeStr := fmt.Sprintf("%d", timestamp)

				if _, existOk := existDataMap[sk]; !existOk {
					addSql += GetAddSql(edbInfoIdStr, edbCode, sk, timeStr, saveValue)
					isAdd = true
				}
				existDataMap[sk] = sk
			} else {
				if existVal != saveValue {
					sql := ` UPDATE %s SET value=?,modify_time=NOW() WHERE edb_info_id=? AND data_time=? `
					sql = fmt.Sprintf(sql, dataTableName)
					_, err = o.Raw(sql, saveValue, edbInfoId, sk).Exec()
					if err != nil {
						return err
					}
				}
			}
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = o.Raw(addSql).Exec()
		if err != nil {
			fmt.Println("RefreshAllCalculate add Err", err.Error())
			return
		}
	}
	return
}

// ReplaceFormula 替换计算方式
func ReplaceFormula(edbInfoIdArr []*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 {
		var isReplace bool
		formulaStr, isReplace = GetFormulaReplace(dk, dv.EdbInfoId, formulaStr, edbInfoIdBytes, formulaMap, valArr)
		if isReplace {
			replaceCount++
		}
	}
	for k, v := range funMap {
		formulaStr = strings.Replace(formulaStr, v, k, -1)
	}
	if replaceCount == len(formulaMap) {
		return formulaStr
	} else {
		return ""
	}
}

func GetFormulaReplace(index, edbInfoId int, formulaStr string, edbInfoIdBytes []string, formulaMap map[string]string, valArr map[int]float64) (formulaResult string, isReplace bool) {
	dKey := edbInfoIdBytes[index]
	if _, ok := formulaMap[dKey]; ok { //公式中存在
		if val, valOk := valArr[edbInfoId]; valOk { //值存在
			dvStr := fmt.Sprintf("%v", val)
			formulaResult = strings.Replace(formulaStr, dKey, dvStr, -1)
			isReplace = true
		}
	}
	return
}

// GetFormulaMap 获取计算公式的map
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
}

// EdbInfoCalculateBatchSaveReq 添加计算指标的请求参数
type EdbInfoCalculateBatchSaveReq struct {
	AdminId          int    `description:"添加人id"`
	AdminName        string `description:"添加人名称"`
	EdbInfoId        int    `description:"指标id"`
	EdbName          string `description:"指标名称"`
	Frequency        string `description:"频度"`
	Unit             string `description:"单位"`
	ClassifyId       int    `description:"分类id"`
	Formula          string `description:"N值/移动天数"`
	FromEdbInfoId    int    `description:"计算来源指标id"`
	Source           int    `description:"来源:1:同花顺,2:wind,3:彭博,4:指标运算,5:累计值转月,6:同比值,7:同差值,8:N数值移动平均计算,12:环比值,13:环差值,14:变频"`
	CalculateFormula string `description:"计算公式"`
	EdbInfoIdArr     []struct {
		EdbInfoId int    `description:"指标id"`
		FromTag   string `description:"指标对应标签"`
	}
	MoveType      int    `description:"移动方式:1:领先(默认),2:滞后"`
	MoveFrequency string `description:"移动频度:天/周/月/季/年"`
}

// EdbInfoCalculateBatchEditReq 编辑计算指标的请求参数
type EdbInfoCalculateBatchEditReq struct {
	EdbName       string `description:"指标名称"`
	Frequency     string `description:"频度"`
	Unit          string `description:"单位"`
	ClassifyId    int    `description:"分类id"`
	Formula       string `description:"N值"`
	EdbInfoId     int    `description:"编辑指标id"`
	FromEdbInfoId int    `description:"计算来源指标id"`
	Source        int    `description:"来源:1:同花顺,2:wind,3:彭博,4:指标运算,5:累计值转月,6:同比值,7:同差值,8:N数值移动平均计算,12:环比值,13:环差值,14:变频"`
	MoveType      int    `description:"移动方式:1:领先(默认),2:滞后"`
	MoveFrequency string `description:"移动频度:天/周/月/季/年"`
	EdbInfoIdArr  []struct {
		EdbInfoId int    `description:"指标id"`
		FromTag   string `description:"指标对应标签"`
	}
}