package models

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

// AddCalculateBp 升频
func AddCalculateBp(req *EdbInfoCalculateBatchSaveReq, fromEdbInfo *EdbInfo, edbCode, uniqueCode string, sysUserId int, sysUserRealName string) (edbInfo *EdbInfo, err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			fmt.Println("AddCalculateBp,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()
	if req.EdbInfoId <= 0 {
		edbInfo = new(EdbInfo)
		edbInfo.Source = utils.DATA_SOURCE_CALCULATE_BP
		edbInfo.SourceName = utils.DATA_SOURCE_NAME_CALCULATE_BP
		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.EdbNameEn = req.EdbName
		edbInfo.UnitEn = req.Unit
		edbInfo.EdbType = 2
		newEdbInfoId, tmpErr := to.Insert(edbInfo)
		if tmpErr != nil {
			err = tmpErr
			return
		}
		edbInfo.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 = edbInfo.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
			calculateMappingItem.FromSubSource = edbInfo.SubSource
			_, err = to.Insert(calculateMappingItem)
			if err != nil {
				return
			}
		}
	} else {
		edbInfo, err = GetEdbInfoById(req.EdbInfoId)
		if err != nil {
			return
		}
		dataTableName := GetEdbDataTableName(utils.DATA_SOURCE_CALCULATE_BP, utils.DATA_SUB_SOURCE_EDB)
		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
		}
	}

	//计算数据
	err = refreshAllCalculateBp(to, edbInfo.EdbInfoId, edbInfo.Source, edbInfo.SubSource, fromEdbInfo, edbInfo.EdbCode, "", "", 0)

	return
}

// EditCalculateBp 修改升频数据
func EditCalculateBp(edbInfo *EdbInfo, req *EdbInfoCalculateBatchEditReq, fromEdbInfo *EdbInfo) (err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			fmt.Println("EditCalculateBp,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()

	//修改指标信息
	edbInfo.EdbName = req.EdbName
	edbInfo.EdbNameSource = req.EdbName
	edbInfo.Frequency = req.Frequency
	edbInfo.Unit = req.Unit
	edbInfo.ClassifyId = req.ClassifyId
	edbInfo.EdbNameEn = req.EdbNameEn
	edbInfo.UnitEn = req.UnitEn
	edbInfo.ModifyTime = time.Now()
	_, err = to.Update(edbInfo, "EdbName", "EdbNameSource", "Frequency", "Unit", "ClassifyId", "ModifyTime", "EdbNameEn", "UnitEn")
	if err != nil {
		return
	}

	//判断计算指标是否被更换
	var existCondition string
	var existPars []interface{}
	existCondition += " AND edb_info_id=? AND from_edb_info_id=? "
	existPars = append(existPars, edbInfo.EdbInfoId, req.FromEdbInfoId)

	count, err := GetEdbInfoCalculateCountByCondition(existCondition, existPars)
	if err != nil {
		err = errors.New("判断指标是否改变失败,Err:" + err.Error())
		return
	}
	if count > 0 { // 指标未被替换，无需重新计算
		return
	}

	//删除，计算指标关联的，基础指标的关联关系
	sql := ` DELETE FROM edb_info_calculate_mapping WHERE edb_info_id = ? `
	_, err = to.Raw(sql, edbInfo.EdbInfoId).Exec()
	if err != nil {
		err = errors.New("删除计算指标关联关系失败,Err:" + err.Error())
		return
	}
	//清空原有数据
	sql = ` DELETE FROM edb_data_calculate_bp WHERE edb_info_id = ? `
	_, err = to.Raw(sql, edbInfo.EdbInfoId).Exec()
	if err != nil {
		return
	}
	//关联关系
	{
		calculateMappingItem := &EdbInfoCalculateMapping{
			EdbInfoCalculateMappingId: 0,
			EdbInfoId:                 edbInfo.EdbInfoId,
			Source:                    utils.DATA_SOURCE_CALCULATE_BP,
			SourceName:                utils.DATA_SOURCE_NAME_CALCULATE_BP,
			EdbCode:                   edbInfo.EdbCode,
			FromEdbInfoId:             fromEdbInfo.EdbInfoId,
			FromEdbCode:               fromEdbInfo.EdbCode,
			FromEdbName:               fromEdbInfo.EdbName,
			FromSource:                fromEdbInfo.Source,
			FromSourceName:            fromEdbInfo.SourceName,
			FromTag:                   "",
			Sort:                      1,
			CreateTime:                time.Now(),
			ModifyTime:                time.Now(),
			FromSubSource:             fromEdbInfo.SubSource,
		}
		_, err = to.Insert(calculateMappingItem)
		if err != nil {
			return
		}
	}

	//计算数据
	err = refreshAllCalculateBp(to, edbInfo.EdbInfoId, edbInfo.Source, edbInfo.SubSource, fromEdbInfo, edbInfo.EdbCode, "", "", 0)

	return
}

// RefreshAllCalculateBpBak 刷新所有升频数据
func RefreshAllCalculateBpBak(edbInfoId, source, subSource int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate string) (err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			fmt.Println("RefreshAllCalculateBp,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()

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

	dataList, err := GetEdbDataListAllByTo(to, fromEdbInfo.Source, fromEdbInfo.SubSource, FindEdbDataListAllCond{
		EdbInfoId:         fromEdbInfo.EdbInfoId,
		StartDataTime:     startDate,
		StartDataTimeCond: ">=",
		EndDataTime:       endDate,
		EndDataTimeCond:   "<=",
	}, 0)
	if err != nil {
		return err
	}
	var dateArr []string
	dataMap := make(map[string]*EdbInfoSearchData)
	for _, v := range dataList {
		dateArr = append(dateArr, v.DataTime)
		dataMap[v.DataTime] = v
	}
	fmt.Println("source:", source)
	//获取指标所有数据
	existDataList := make([]*EdbData, 0)
	dataTableName := GetEdbDataTableName(source, subSource)
	fmt.Println("dataTableName:", dataTableName)
	sql := `SELECT * FROM %s WHERE edb_info_id=? `
	sql = fmt.Sprintf(sql, dataTableName)
	_, err = to.Raw(sql, edbInfoId).QueryRows(&existDataList)
	if err != nil {
		return err
	}
	existDataMap := make(map[string]string)
	for _, v := range existDataList {
		existDataMap[v.DataTime] = v.Value
	}
	fmt.Println("existDataMap:", existDataMap)
	addSql := ` INSERT INTO edb_data_calculate_bp(edb_info_id,edb_code,data_time,value,create_time,modify_time,data_timestamp) values `
	var isAdd bool

	existMap := make(map[string]string)
	dataLen := len(dataList)
	for i := 0; i < dataLen; i++ {
		//当期
		currentItem := dataList[i]
		currentDate, _ := time.ParseInLocation(utils.FormatDate, currentItem.DataTime, time.Local)
		var day int
		var preItem *EdbInfoSearchData
		var preDate time.Time
		if i == 0 {
			day = int(time.Now().Sub(currentDate).Hours() / float64(24))
			preDate = time.Now()
		} else {
			j := i + 1
			if j < dataLen {
				preItem = dataList[j]
				preDate, _ = time.ParseInLocation(utils.FormatDate, preItem.DataTime, time.Local)
				day = int(currentDate.Sub(preDate).Hours() / float64(24))
			}
		}
		for k := 0; k <= day; k++ {
			needDay := preDate.AddDate(0, 0, -k)
			needDayStr := needDay.Format(utils.FormatDate)
			existKey := edbCode + needDayStr
			if _, ok := existMap[existKey]; !ok {
				timestamp := needDay.UnixNano() / 1e6
				timestampStr := fmt.Sprintf("%d", timestamp)
				valStr := decimal.NewFromFloat(currentItem.Value).String()
				if existVal, ok := existDataMap[needDayStr]; !ok {
					addSql += GetAddSql(edbInfoIdStr, edbCode, needDayStr, timestampStr, valStr)
				} else {
					if existVal != valStr {
						sql := ` UPDATE %s SET value=?,modify_time=NOW() WHERE edb_info_id=? AND data_time=? `
						sql = fmt.Sprintf(sql, dataTableName)
						_, err = to.Raw(sql, valStr, edbInfoId, needDay).Exec()
						if err != nil {
							return err
						}
					}
				}
			}
			existMap[existKey] = needDayStr
		}
		existKey := edbCode + currentItem.DataTime
		if _, ok := existMap[existKey]; !ok {
			currentDate, _ := time.ParseInLocation(utils.FormatDate, currentItem.DataTime, time.Local)
			timestamp := currentDate.UnixNano() / 1e6
			timestampStr := fmt.Sprintf("%d", timestamp)
			valStr := decimal.NewFromFloat(currentItem.Value).String()
			if existVal, ok := existDataMap[currentItem.DataTime]; !ok {
				addSql += GetAddSql(edbInfoIdStr, edbCode, currentItem.DataTime, timestampStr, valStr)
			} else {
				if existVal != valStr {
					sql := ` UPDATE %s SET value=?,modify_time=NOW() WHERE edb_info_id=? AND data_time=? `
					sql = fmt.Sprintf(sql, dataTableName)
					_, err = to.Raw(sql, valStr, edbInfoId, currentItem.DataTime).Exec()
					if err != nil {
						return err
					}
				}
			}
		}
		existMap[existKey] = currentItem.DataTime
	}

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

func RefreshAllCalculateBp(edbInfoId, source, subSource int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate string) (err error) {
	o := orm.NewOrm()
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			fmt.Println("RefreshAllCalculateBp,Err:" + err.Error())
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()

	// 计算数据
	err = refreshAllCalculateBp(to, edbInfoId, source, subSource, fromEdbInfo, edbCode, startDate, endDate, 1)

	return
}

// refreshAllCalculateBp 刷新升频数据
func refreshAllCalculateBp(to orm.TxOrmer, edbInfoId, source, subSource int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate string, order int) (err error) {
	edbInfoIdStr := strconv.Itoa(edbInfoId)
	//计算数据

	//获取来源指标的数据
	dataList, err := GetEdbDataListAllByTo(to, fromEdbInfo.Source, fromEdbInfo.SubSource, FindEdbDataListAllCond{
		EdbInfoId: fromEdbInfo.EdbInfoId,
	}, order)
	if err != nil {
		return err
	}

	// 来源指标没有数据，那么需要删除所有的计算指标数据
	if len(dataList) <= 0 {
		// todo 删除所有的计算指标数据
		return
	}
	// 来源指标的第一个日期
	fromFirstDate, err := time.ParseInLocation(utils.FormatDate, dataList[0].DataTime, time.Local)
	if err != nil {
		return
	}
	fromFirstDate = time.Date(fromFirstDate.Year(), fromFirstDate.Month(), fromFirstDate.Day(), 0, 0, 0, 0, time.Local)

	// 变频计算
	newDataList, err := EdbInfoSearchDataToData(dataList)
	if err != nil {
		return
	}

	baseCalculate := BaseCalculate{
		DataList:      newDataList,
		Frequency:     "",
		Formula:       nil,
		Calendar:      "",
		MoveType:      0,
		MoveFrequency: "",
		FromFrequency: "",
		Source:        source,
	}
	dateDataMap, err, _ := baseCalculate.UpFrequency()
	if err != nil {
		return
	}

	// 获取升频指所有已经存在的计算指标数据
	existDataList, err := GetAllEdbDataListByTo(to, edbInfoId, source, subSource)
	if err != nil {
		return
	}
	//计算指标的map
	existDataMap := make(map[string]*EdbData, 0)
	for _, v := range existDataList {
		existDataMap[v.DataTime] = v
	}

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

	now := time.Date(time.Now().Year(), time.Now().Month(), time.Now().Day(), 0, 0, 0, 0, time.Local)

	for currDate := fromFirstDate; !currDate.After(now); currDate = currDate.AddDate(0, 0, 1) {
		currDateStr := currDate.Format(utils.FormatDate)
		timestamp := currDate.UnixNano() / 1e6
		timestampStr := fmt.Sprintf("%d", timestamp)

		// 当前计算的值
		currValue, ok := dateDataMap[currDate]
		if !ok {
			// 没有计算成功就过滤
			continue
		}
		lastValueStr := decimal.NewFromFloat(currValue).Round(4).String()

		// 已经入库的值
		existData, ok := existDataMap[currDateStr]
		if !ok {
			// 没有入库那么就插入添加
			isAdd = true
			addSql += GetAddSql(edbInfoIdStr, edbCode, currDateStr, timestampStr, lastValueStr)
			continue
		}

		// 将已经入库的值转换为decimal类型，然后再保留4位小数，目的是为了做匹配，要不然取出来的数据与计算的数据不一致
		existDataValueDec, tmpErr := decimal.NewFromString(existData.Value)
		if tmpErr != nil {
			err = tmpErr
			return
		}
		existDataValueStr := existDataValueDec.Round(4).String()

		// 如果该日期已经入库了，且两个值不匹配，那么就更新
		if lastValueStr != existDataValueStr {
			err = ModifyEdbDataById(source, subSource, existData.EdbDataId, lastValueStr)
			if err != nil {
				return err
			}
		}

		// 该日期已经处理过了，所以需要移除，如果后面该map还有数据，那么需要删除该map里面的日期数据
		delete(existDataMap, currDateStr)

	}

	// 删除不需要的指标数据
	if len(existDataMap) > 0 {
		//待删除的日期
		removeDateList := make([]string, 0)
		for date := range existDataMap {
			removeDateList = append(removeDateList, date)
		}

		removeDateStr := strings.Join(removeDateList, `","`)
		removeDateStr = `"` + removeDateStr + `"`
		//如果拼接指标变更了，那么需要删除所有的指标数据
		tableName := GetEdbDataTableName(source, subSource)
		sql := fmt.Sprintf(` DELETE FROM %s WHERE edb_info_id = ? and data_time in (%s) `, tableName, removeDateStr)

		_, err = to.Raw(sql, edbInfoId).Exec()
		if err != nil {
			err = fmt.Errorf("删除不存在的升频指标数据失败,Err:" + err.Error())
			return
		}
	}

	// 新增的数据值
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = to.Raw(addSql).Exec()
	}

	return
}