package data_manage

import (
	"eta/eta_mobile/utils"
	"fmt"
	"github.com/beego/beego/v2/client/orm"
	"github.com/shopspring/decimal"
	"strconv"
	"strings"
	"time"
)

// 累计值转月
func AddCalculateLjzzy(req *EdbInfoCalculateBatchSaveReq, fromEdbInfo *EdbInfo, edbCode, uniqueCode string, sysUserId int, sysUserRealName string) (edbInfoId int, err error) {
	o := orm.NewOrmUsingDB("data")
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()

	if req.EdbInfoId <= 0 {
		edbInfo := new(EdbInfo)
		edbInfo.Source = utils.DATA_SOURCE_CALCULATE_LJZZY
		edbInfo.SourceName = "累计值转月值"
		edbInfo.EdbCode = edbCode
		edbInfo.EdbName = req.EdbName
		edbInfo.EdbNameSource = req.EdbName
		edbInfo.Frequency = req.Frequency
		edbInfo.Unit = req.Unit
		edbInfo.ClassifyId = req.ClassifyId
		edbInfo.SysUserId = sysUserId
		edbInfo.SysUserRealName = sysUserRealName
		edbInfo.CreateTime = time.Now()
		edbInfo.ModifyTime = time.Now()
		edbInfo.UniqueCode = uniqueCode
		edbInfo.CalculateFormula = req.Formula
		edbInfo.EdbType = 2
		newEdbInfoId, tmpErr := to.Insert(edbInfo)
		if tmpErr != nil {
			return int(newEdbInfoId), tmpErr
		}
		edbInfoId = int(newEdbInfoId)

		//calculateItem := new(EdbInfoCalculateLjzzy)
		//calculateItem.CreateTime = time.Now()
		//calculateItem.ModifyTime = time.Now()
		//calculateItem.Sort = 1
		//calculateItem.EdbCode = edbCode
		//calculateItem.EdbInfoId = edbInfoId
		//calculateItem.FromEdbInfoId = fromEdbInfo.EdbInfoId
		//calculateItem.FromEdbCode = fromEdbInfo.EdbCode
		//calculateItem.FromEdbName = fromEdbInfo.EdbName
		//calculateItem.FromSource = fromEdbInfo.Source
		//calculateItem.FromSourceName = fromEdbInfo.SourceName
		//_, err = to.Insert(calculateItem)
		//if err != nil {
		//	return edbInfoId, err
		//}
		//关联关系
		{
			calculateMappingItem := new(EdbInfoCalculateMapping)
			calculateMappingItem.CreateTime = time.Now()
			calculateMappingItem.ModifyTime = time.Now()
			calculateMappingItem.Sort = 1
			calculateMappingItem.EdbCode = edbCode
			calculateMappingItem.EdbInfoId = edbInfoId
			calculateMappingItem.FromEdbInfoId = fromEdbInfo.EdbInfoId
			calculateMappingItem.FromEdbCode = fromEdbInfo.EdbCode
			calculateMappingItem.FromEdbName = fromEdbInfo.EdbName
			calculateMappingItem.FromSource = fromEdbInfo.Source
			calculateMappingItem.FromSourceName = fromEdbInfo.SourceName
			calculateMappingItem.FromTag = ""
			calculateMappingItem.Source = edbInfo.Source
			calculateMappingItem.SourceName = edbInfo.SourceName
			_, err = to.Insert(calculateMappingItem)
			if err != nil {
				return
			}
		}
	} else {
		edbInfoId = req.EdbInfoId
		dataTableName := GetEdbDataTableName(utils.DATA_SOURCE_CALCULATE_LJZZY)
		deleteSql := ` DELETE FROM %s WHERE edb_info_id=? `
		deleteSql = fmt.Sprintf(deleteSql, dataTableName)
		_, err = to.Raw(deleteSql, req.EdbInfoId).Exec()
	}
	edbInfoIdStr := strconv.Itoa(edbInfoId)
	//计算数据
	var condition string
	var pars []interface{}
	condition += " AND edb_info_id=? "
	if req.EdbInfoId <= 0 {
		pars = append(pars, req.FromEdbInfoId)
	} else {
		pars = append(pars, fromEdbInfo.EdbInfoId)
	}
	fmt.Println("EdbInfoId:", req.FromEdbInfoId)
	dataList, err := GetEdbDataListAll(condition, pars, fromEdbInfo.Source, 1)
	if err != nil {
		return edbInfoId, err
	}

	yearMap := make(map[int]map[int]*EdbInfoSearchData)
	dataLen := len(dataList)
	for i := 0; i < dataLen; i++ {
		item := dataList[i]
		//日其中获取年
		itemDate, err := time.Parse(utils.FormatDate, item.DataTime)
		if err != nil {
			return edbInfoId, err
		}
		year := itemDate.Year()
		month := int(itemDate.Month())
		if monthMap, yok := yearMap[year]; yok {
			monthMap[month] = item
			yearMap[year] = monthMap
		} else {
			monthMap = make(map[int]*EdbInfoSearchData)
			monthMap[month] = item
			yearMap[year] = monthMap
		}
	}

	addSql := ` INSERT INTO edb_data_calculate_ljzzy(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	var isAdd bool
	existMap := make(map[string]string)
	for yk, yv := range yearMap {
		_, oneMonthOk := yv[1]
		_, twoMonthOk := yv[2]
		if !oneMonthOk && !twoMonthOk {
			continue
		}
		for i := 1; i <= 12; i++ {
			fmt.Println(yk, i, yv[i])
			dataCurrentItem := yv[i]
			fmt.Println("i:", i, yk, dataCurrentItem)
			var date string
			var val float64
			if i == 1 || i == 2 {
				if _, mok := yv[1]; mok { //1月有值
					if i == 1 {
						date = dataCurrentItem.DataTime
						val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Float64() //a.Div(b).Float64()
					}
					if i == 2 {
						dataOneItem := yv[1]
						if dataCurrentItem != nil {
							date = dataCurrentItem.DataTime
							twoMonth := decimal.NewFromFloat(dataCurrentItem.Value)
							oneMonth := decimal.NewFromFloat(dataOneItem.Value)
							val, _ = twoMonth.Sub(oneMonth).Float64()
						} else {
							continue
						}
					}
				} else { //1月无值
					dataTwoItem := yv[2]
					if i == 1 {
						date = strconv.Itoa(yk) + "-01-31"
						a := decimal.NewFromFloat(dataTwoItem.Value)
						b := decimal.NewFromFloat(2.0)
						val, _ = a.Div(b).Float64()
					}
					if i == 2 {
						date = dataCurrentItem.DataTime
						a := decimal.NewFromFloat(dataTwoItem.Value)
						b := decimal.NewFromFloat(2.0)
						val, _ = a.Div(b).Float64()
					}
				}
			} else {
				dataPreItem := yv[i-1]
				if dataCurrentItem != nil && dataPreItem != nil {
					date = dataCurrentItem.DataTime
					//val, _ = decimal.NewFromFloat(dataCurrentItem.Value).Sub(decimal.NewFromFloat(dataPreItem.Value)).Float64()
					a := decimal.NewFromFloat(dataCurrentItem.Value)
					b := decimal.NewFromFloat(dataPreItem.Value)
					val, _ = a.Sub(b).Float64()
				}
			}

			if date != "" {
				dataTime, _ := time.Parse(utils.FormatDate, date)
				timestamp := dataTime.UnixNano() / 1e6
				timeStr := fmt.Sprintf("%d", timestamp)

				if _, ok := existMap[edbCode+date]; !ok {
					addSql += GetAddSql(edbInfoIdStr, edbCode, date, timeStr, utils.SubFloatToString(val, 4))
					isAdd = true
				}
				existMap[edbCode+date] = date
			}
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = to.Raw(addSql).Exec()
		if err != nil {
			return edbInfoId, err
		}
	}
	return
}