package data_manage

import (
	"fmt"
	"github.com/shopspring/decimal"
	"hongze/hongze_task/utils"
	"rdluck_tools/orm"
	"strconv"
	"strings"
	"time"
)

type EdbInfoCalculateNszydpjjs struct {
	EdbInfoCalculateNszydpjjsId int       `orm:"column(edb_info_calculate_nszydpjjs_id);pk"`
	EdbInfoId                   int       `description:"指标id"`
	EdbCode                     string    `description:"指标编码"`
	FromEdbInfoId               int       `description:"计算指标id"`
	FromEdbCode                 string    `description:"计算指标编码"`
	FromEdbName                 string    `description:"计算指标名称"`
	FromSource                  int       `description:"计算指标来源"`
	FromSourceName              string    `description:"计算指标来源名称"`
	FromTag                     string    `description:"来源指标标签"`
	Sort                        int       `description:"计算指标名称排序"`
	CreateTime                  time.Time `description:"创建时间"`
	ModifyTime                  time.Time `description:"修改时间"`
}

//刷新 N数值移动平均计算
func RefreshCalculateNszydpjjs(edbInfoId, source, formulaInt int, fromEdbInfo *EdbInfo, edbCode string) (err error) {
	o := orm.NewOrm()
	o.Using("data")
	o.Begin()
	defer func() {
		if err != nil {
			o.Rollback()
		} else {
			o.Commit()
		}
	}()

	if err != nil {
		return
	}
	edbInfoIdStr := strconv.Itoa(edbInfoId)

	//计算数据
	var condition string
	var pars []interface{}
	condition += " AND edb_info_id=? "
	pars = append(pars, fromEdbInfo.EdbInfoId)

	dataList, err := GetEdbDataListAll(condition, pars, source, 0)
	if err != nil {
		return err
	}

	existDataMap := make(map[string]*EdbInfoSearchData)
	for _, v := range dataList {
		existDataMap[v.DataTime] = v
	}

	//计算来源数据
	startDate := time.Now().AddDate(-2, 0, 0).Format(utils.FormatDate)

	var fromCondition string
	var fromPars []interface{}
	fromCondition += " AND edb_info_id=? "
	fromPars = append(fromPars, fromEdbInfo.EdbInfoId)
	fromCondition += " AND data_time>=? "
	fromPars = append(fromPars, startDate)

	fromDataList, err := GetEdbDataListAll(fromCondition, fromPars, fromEdbInfo.Source, 0)
	if err != nil {
		return err
	}

	var fromDateArr []string
	fromDataMap := make(map[string]*EdbInfoSearchData)
	for _, v := range fromDataList {
		fromDateArr = append(fromDateArr, v.DataTime)
		fromDataMap[v.DataTime] = v
	}

	addSql := ` INSERT INTO edb_data_calculate_nszydpjjs(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	var isAdd bool

	arrLen := len(fromDateArr)
	for ak, av := range fromDateArr {
		if _, existOk := existDataMap[av]; !existOk {
			//处理第一个值
			var valArr []float64
			if findItem, ok := fromDataMap[av]; ok {
				valArr = append(valArr, findItem.Value)
			} else {
				continue
			}
			if ak+1 != arrLen {
				//处理除第一个值之外的N-1个值
				for i := 1; i < formulaInt; i++ {
					arrIndex := ak + i
					if arrIndex >= arrLen {
						break
					}
					arrVal := fromDateArr[arrIndex]
					if findItem, ok := fromDataMap[arrVal]; ok {
						valArr = append(valArr, findItem.Value)
					} else {
						continue
					}
				}
			}
			valArrLen := len(valArr)
			totalVal := decimal.NewFromFloat(0.00)
			for _, v := range valArr {
				//totalVal = totalVal + v
				newDecimal := decimal.NewFromFloat(v)
				totalVal = totalVal.Add(newDecimal)
			}
			//af := decimal.NewFromFloat(totalVal)
			af := totalVal

			bf := decimal.NewFromFloat(float64(valArrLen))
			val, _ := af.Div(bf).Float64()
			currentDate, err := time.Parse(utils.FormatDate, av)
			if err != nil {
				return err
			}

			timestamp := currentDate.UnixNano() / 1e6
			timestampStr := fmt.Sprintf("%d", timestamp)
			valStr := utils.SubFloatToString(val, 4)

			count, err := GetEdbDataCalculateNszydpjjsByCodeAndDate(edbCode, av)
			if err != nil && err.Error() != utils.ErrNoRow() {
				return err
			}
			if count <= 0 {
				addSql += GetAddSql(edbInfoIdStr, edbCode, av, timestampStr, valStr)
				isAdd = true
			} else {
				err = ModifyEdbDataCalculateNszydpjjs(int64(edbInfoId), av, valStr)
				if err != nil {
					return err
				}
			}
		}
	}

	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = o.Raw(addSql).Exec()
		if err != nil {
			return err
		}
	}

	maxAndMinItem, err := GetEdbInfoMaxAndMinInfo(utils.DATA_SOURCE_CALCULATE_NSZYDPJJS, edbCode)
	if err != nil {
		return err
	}
	if maxAndMinItem != nil {
		err = ModifyEdbInfoMaxAndMinInfo(edbInfoId, maxAndMinItem)
		if err != nil {
			return err
		}
	}
	return
}

type EdbInfoCalculateNszydpjjsDetail struct {
	EdbInfoCalculateNszydpjjsId int       `orm:"column(edb_info_calculate_nszydpjjs_id);pk"`
	EdbInfoId                   int       `description:"指标id"`
	EdbCode                     string    `description:"指标编码"`
	FromEdbInfoId               int       `description:"计算指标id"`
	FromEdbCode                 string    `description:"计算指标编码"`
	FromEdbName                 string    `description:"计算指标名称"`
	FromSource                  int       `description:"计算指标来源"`
	FromSourceName              string    `description:"计算指标来源名称"`
	FromTag                     string    `description:"来源指标标签"`
	Sort                        int       `description:"计算指标名称排序"`
	CreateTime                  time.Time `description:"创建时间"`
	ModifyTime                  time.Time `description:"修改时间"`
	StartDate                   string    `description:"开始日期"`
	EndDate                     string    `description:"结束日期"`
}

func GetEdbInfoCalculateNszydpjjsDetail(edbInfoId int) (item *EdbInfoCalculateNszydpjjsDetail, err error) {
	o := orm.NewOrm()
	o.Using("data")
	sql := ` SELECT a.*,b.start_date,b.end_date FROM edb_info_calculate_nszydpjjs AS a
			INNER JOIN edb_info AS b ON a.from_edb_info_id=b.edb_info_id
			WHERE a.edb_info_id=? `
	err = o.Raw(sql, edbInfoId).QueryRow(&item)
	return
}

func GetEdbDataCalculateNszydpjjsByCodeAndDate(edbCode string, startDate string) (count int, err error) {
	o := orm.NewOrm()
	o.Using("data")
	sql := ` SELECT COUNT(1) AS count FROM edb_data_calculate_nszydpjjs WHERE edb_code=? AND data_time=? `
	err = o.Raw(sql, edbCode, startDate).QueryRow(&count)
	return
}

func ModifyEdbDataCalculateNszydpjjs(edbInfoId int64, dataTime, value string) (err error) {
	o := orm.NewOrm()
	o.Using("data")
	sql := ` UPDATE edb_data_calculate_nszydpjjs SET value=?,modify_time=NOW() WHERE edb_info_id=? AND data_time=? `
	_, err = o.Raw(sql, value, edbInfoId, dataTime).Exec()
	return
}