package data_manage

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

type EdbInfoCalculateHcz struct {
	EdbInfoCalculateHczId int       `orm:"column(edb_info_calculate_hcz_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"`
}

// 环差值，current:当期,pre:上期 公式:当期-上期
func HczDiv(current, pre float64) string {
	if pre == 0 {
		return ""
	}
	currentVal := decimal.NewFromFloat(current)
	preVal := decimal.NewFromFloat(pre)
	val, _ := currentVal.Sub(preVal).Float64()
	valStr := utils.SubFloatToString(val, 4)
	return valStr
}

// 刷新环比值数据
func RefreshCalculateHcz(edbInfoId, source int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate string) (err error) {
	o := orm.NewOrm()
	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)

	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, 0)
	if err != nil {
		return err
	}

	//获取指标所有数据
	existDataList := make([]*EdbDataBase, 0)
	dataTableName := GetEdbDataTableName(source)
	fmt.Println("dataTableName:", dataTableName)
	sql := `SELECT * FROM %s WHERE edb_info_id=? `
	sql = fmt.Sprintf(sql, dataTableName)
	_, err = o.Raw(sql, edbInfoId).QueryRows(&existDataList)
	if err != nil {
		return err
	}
	existDataMap := make(map[string]string)
	for _, v := range existDataList {
		existDataMap[v.DataTime] = v.Value
	}
	addSql := ` INSERT INTO edb_data_calculate_hcz(edb_info_id,edb_code,data_time,value,create_time,modify_time,status,data_timestamp) values `
	var isAdd bool
	existMap := make(map[string]string)
	dataLen := len(dataList)
	for i := 0; i < dataLen; i++ {
		j := i + 1
		if j < dataLen {
			//当期
			currentItem := dataList[i]
			preItem := dataList[j]
			if currentItem != nil && preItem != nil {
				existKey := edbCode + currentItem.DataTime
				if _, ok := existMap[existKey]; !ok {
					currentDate, _ := time.Parse(utils.FormatDate, currentItem.DataTime)
					timestamp := currentDate.UnixNano() / 1e6
					timestampStr := fmt.Sprintf("%d", timestamp)
					val := HczDiv(currentItem.Value, preItem.Value)
					if val != "" {
						if existVal, findOk := existDataMap[currentItem.DataTime]; !findOk {
							addSql += GetAddSql(edbInfoIdStr, edbCode, currentItem.DataTime, timestampStr, val)
							isAdd = true
						} else {
							if existVal != val {
								sql := ` UPDATE %s SET value=?,modify_time=NOW() WHERE edb_info_id=? AND data_time=? `
								sql = fmt.Sprintf(sql, dataTableName)
								_, err = tx.Raw(sql, val, edbInfoId, currentItem.DataTime).Exec()
								if err != nil {
									return err
								}
							}
						}
					}
				}
				existMap[existKey] = currentItem.DataTime
			}
		}
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = o.Raw(addSql).Exec()
		if err != nil {
			return err
		}
	}
	return
}

type EdbInfoCalculateHczDetail struct {
	EdbInfoCalculateHczId int       `orm:"column(edb_info_calculate_hcz_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 GetEdbInfoCalculateHczDetail(edbInfoId int) (item *EdbInfoCalculateHczDetail, err error) {
	o := orm.NewOrm()
	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
}