package data_manage

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

type EdbInfoCalculateLjzzy struct {
	EdbInfoCalculateLjzzyId int       `orm:"column(edb_info_calculate_ljzzy_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"`
}

//刷新累计值转月值数据
func RefreshCalculateLjzzy(edbInfoId int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate string) (err error) {
	o := orm.NewOrmUsingDB("data")
	tx,err:=o.Begin()
	if err!=nil {
		return err
	}
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.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)

	if startDate != "" {
		condition += " AND data_time>=? "
		pars = append(pars, startDate)
	}
	if endDate != "" {
		condition += " AND data_time<=? "
		pars = append(pars, endDate)
	}

	dataList, err := GetEdbDataListAll(condition, pars, fromEdbInfo.Source, 1)
	if err != nil {
		return 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 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 `
	nowStr := time.Now().Format(utils.FormatDateTime)
	var isAdd bool

	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]
			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]
						date = dataCurrentItem.DataTime
						twoMonth := decimal.NewFromFloat(dataCurrentItem.Value)
						oneMonth := decimal.NewFromFloat(dataOneItem.Value)
						val, _ = twoMonth.Sub(oneMonth).Float64()
					}
				} 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 != "" {
				//判断数据是否存在
				count, err := GetEdbDataCalculateLjzzyByCodeAndDate(edbCode, date)
				if err != nil && err.Error() != utils.ErrNoRow() {
					return err
				}
				if count <= 0 {
					dataTime, _ := time.Parse(utils.FormatDate, date)
					timestamp := dataTime.UnixNano() / 1e6
					timeStr := fmt.Sprintf("%d", timestamp)

					addSql += "("
					addSql += edbInfoIdStr + "," + "'" + edbCode + "'" + "," + "'" + date + "'" + "," + utils.SubFloatToString(val, 4) + "," + "'" + nowStr + "'" +
						"," + "'" + nowStr + "'" + "," + "1"
					addSql += "," + "'" + timeStr + "'"
					addSql += "),"
					isAdd = true
				} else {
					//val = utils.FixFloat(val, 4)
					valStr := utils.SubFloatToString(val, 4)
					err = ModifyEdbDataCalculateLjzzy(int64(edbInfoId), date, valStr)
					if err != nil {
						return err
					}
				}
			}
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = tx.Raw(addSql).Exec()
		if err != nil {
			return err
		}
	}
	return
}

type EdbInfoCalculateLjzzyDetail struct {
	EdbInfoCalculateLjzzyId int       `orm:"column(edb_info_calculate_ljzzy_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 GetEdbInfoCalculateLjzzyDetail(edbInfoId int) (item *EdbInfoCalculateLjzzyDetail, err error) {
	o := orm.NewOrmUsingDB("data")
	sql := ` SELECT a.*,b.start_date,b.end_date FROM edb_info_calculate_mapping AS a
			INNER JOIN edb_info AS b ON a.edb_info_id=b.edb_info_id
			WHERE a.edb_info_id=? `
	err = o.Raw(sql, edbInfoId).QueryRow(&item)
	return
}

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

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