package models

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

//时间移位
func AddCalculateTimeShift(req *EdbInfoCalculateBatchSaveReq, fromEdbInfo *EdbInfo, edbCode, uniqueCode string, sysUserId int, sysUserRealName string) (edbInfoId int, err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}

	defer func() {
		if err != nil {
			fmt.Println("AddCalculateTimeShift,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()
	if req.EdbInfoId <= 0 {
		edbInfo := new(EdbInfo)
		edbInfo.Source = utils.DATA_SOURCE_CALCULATE_TIME_SHIFT
		edbInfo.SourceName = "时间移位"
		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
		edbInfo.MoveType = req.MoveType
		edbInfo.MoveFrequency = req.MoveFrequency
		newEdbInfoId, tmpErr := o.Insert(edbInfo)
		if tmpErr != nil {
			return edbInfoId, tmpErr
		}
		edbInfoId = int(newEdbInfoId)
		//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_TIME_SHIFT)
		fmt.Println("dataTableName:" + dataTableName)
		deleteSql := ` DELETE FROM %s WHERE edb_info_id=? `
		deleteSql = fmt.Sprintf(deleteSql, dataTableName)
		_, err = to.Raw(deleteSql, req.EdbInfoId).Exec()
		if err != nil {
			return 0, err
		}
	}

	var shiftDay int
	formulaInt, _ := strconv.Atoi(req.Formula)
	switch req.MoveFrequency {
	case "天":
		shiftDay = formulaInt
	case "周":
		shiftDay = formulaInt * 7
	case "月":
		shiftDay = formulaInt * 30
	case "季":
		shiftDay = formulaInt * 90
	case "年":
		shiftDay = formulaInt * 365
	default:
		shiftDay = formulaInt
	}

	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)
	}
	dataList, err := GetEdbDataListAll(condition, pars, fromEdbInfo.Source, 0)
	if err != nil {
		return edbInfoId, err
	}

	addSql := ` INSERT INTO edb_data_calculate_time_shift(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)
	if req.MoveType == 2 {
		shiftDay = -shiftDay
	}
	for i := 0; i < dataLen; i++ {
		//当期
		currentItem := dataList[i]
		currentDate, _ := time.Parse(utils.FormatDate, currentItem.DataTime)

		existKey := edbCode + currentItem.DataTime
		if _, ok := existMap[existKey]; !ok {
			newDate := currentDate.AddDate(0, 0, shiftDay)
			timestamp := newDate.UnixNano() / 1e6
			timestampStr := fmt.Sprintf("%d", timestamp)
			valStr := decimal.NewFromFloat(currentItem.Value).String()
			addSql += GetAddSql(edbInfoIdStr, edbCode, newDate.Format(utils.FormatDate), timestampStr, valStr)
			isAdd = true
		}
		existMap[existKey] = currentItem.DataTime
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = to.Raw(addSql).Exec()
		if err != nil {
			return edbInfoId, err
		}
	}
	return
}