package data_manage

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

//时间移位

type EdbInfoCalculateMove struct {
	EdbInfoCalculateBpId int       `orm:"column(edb_info_calculate_bp_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"`
}

// 时间移位
func AddCalculateTimeShift(req *EdbInfoCalculateBatchSaveReq, fromEdbInfo *EdbInfo, edbCode, uniqueCode string, sysUserId int, sysUserRealName string) (edbInfoId int, err error) {
	fmt.Println("AddCalculateTimeShift")
	o := orm.NewOrmUsingDB("data")
	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 := to.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
}

// 环比值
func EditCalculateTimeShift(req *EdbInfoCalculateBatchEditReq, fromEdbInfo *EdbInfo, edbCode string, oldEdbInfo *EdbInfo) (edbInfoId int, err error) {
	edbInfoId = req.EdbInfoId
	o := orm.NewOrmUsingDB("data")
	to, err := o.Begin()
	if err != nil {
		return
	}
	defer func() {
		if err != nil {
			_ = to.Rollback()
		} else {
			_ = to.Commit()
		}
	}()

	//修改指标信息
	sql := ` UPDATE  edb_info
			SET
			  edb_name =?,
			  edb_name_source=?,
			  frequency = ?,
			  unit = ?,
			  classify_id = ?,
			  move_type=?,
			  move_frequency=?,
			  calculate_formula=?,
			  modify_time = NOW()
			WHERE edb_info_id = ? `
	_, err = to.Raw(sql, req.EdbName, req.EdbName, req.Frequency, req.Unit, req.ClassifyId, req.MoveType, req.MoveFrequency, req.Formula, edbInfoId).Exec()
	if err != nil {
		return
	}

	var existCondition string
	var existPars []interface{}
	existCondition += " AND edb_info_id=? "
	existPars = append(existPars, edbInfoId)

	existCondition += " AND from_edb_info_id=? "
	existPars = append(existPars, req.FromEdbInfoId)

	//判断计算指标是否被更换
	count, err := GetEdbInfoCalculateCountByCondition(req.Source, 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 || req.MoveType != oldEdbInfo.MoveType || req.MoveFrequency != oldEdbInfo.MoveFrequency || req.Formula != oldEdbInfo.CalculateFormula {
		if count <= 0 {
			//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, edbInfoId).Exec()
			if err != nil {
				err = errors.New("删除计算指标关联关系失败,Err:" + err.Error())
				return
			}
			//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 = utils.DATA_SOURCE_CALCULATE_TIME_SHIFT
				calculateMappingItem.SourceName = "时间移位"
				_, err = to.Insert(calculateMappingItem)
				if err != nil {
					return
				}
			}
		}
		//清空原有数据
		sql = ` DELETE FROM edb_data_calculate_time_shift WHERE edb_info_id = ? `
		_, err = to.Raw(sql, edbInfoId).Exec()
		if err != nil {
			return edbInfoId, err
		}

		edbInfoIdStr := strconv.Itoa(edbInfoId)

		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
		}

		//计算数据
		var condition string
		var pars []interface{}
		condition += " AND edb_info_id=? "
		pars = append(pars, req.FromEdbInfoId)
		fmt.Println("EdbInfoId:", req.FromEdbInfoId)
		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)
			newDate := currentDate.AddDate(0, 0, shiftDay)
			existKey := edbCode + newDate.Format(utils.FormatDate)
			if _, ok := existMap[existKey]; !ok {
				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
}

// 变频
func RefreshCalculateTimeShift(edbInfoId, formulaInt, moveType int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate, moveFrequency string) (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 err != nil {
		return
	}
	edbInfoIdStr := strconv.Itoa(edbInfoId)
	//计算数据

	//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)
	}

	var shiftDay int
	switch 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
	}
	if moveType == 2 {
		shiftDay = -shiftDay
	}
	dataList, err := GetEdbDataListAll(condition, pars, fromEdbInfo.Source, 0)
	if err != nil {
		return err
	}
	existMap := make(map[string]string)
	dataLen := len(dataList)
	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
	for i := 0; i < dataLen; i++ {
		//当期
		currentItem := dataList[i]
		existKey := edbCode + currentItem.DataTime
		if _, ok := existMap[existKey]; !ok {
			currentDate, _ := time.Parse(utils.FormatDate, currentItem.DataTime)
			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)
		}
		existMap[existKey] = currentItem.DataTime
	}
	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		_, err = to.Raw(addSql).Exec()
		if err != nil {
			return err
		}
	}
	return
}

type EdbInfoCalculateTimeShiftDetail struct {
	EdbInfoCalculateBpId int       `orm:"column(edb_info_calculate_bp_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 GetEdbInfoCalculateTimeShiftDetail(edbInfoId int) (item *EdbInfoCalculateTbzDetail, 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.from_edb_info_id=b.edb_info_id
			WHERE a.edb_info_id=? `
	err = o.Raw(sql, edbInfoId).QueryRow(&item)
	return
}

// 刷新所有变频数据
func RefreshAllCalculateTimeShift(edbInfoId, source, formulaInt, moveType int, fromEdbInfo *EdbInfo, edbCode, startDate, endDate, moveFrequency string) (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 err != nil {
		return
	}
	edbInfoIdStr := strconv.Itoa(edbInfoId)
	//计算数据

	//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)
	}

	var shiftDay int
	switch 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
	}

	if moveType == 2 {
		shiftDay = -shiftDay
	}

	dataList, err := GetEdbDataListAll(condition, pars, fromEdbInfo.Source, 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([]*EdbDataBase, 0)
	dataTableName := GetEdbDataTableName(source)
	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_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)
	for i := 0; i < dataLen; i++ {
		//当期
		currentItem := dataList[i]
		existKey := edbCode + currentItem.DataTime
		if _, ok := existMap[existKey]; !ok {
			currentDate, _ := time.Parse(utils.FormatDate, currentItem.DataTime)
			newDate := currentDate.AddDate(0, 0, shiftDay)

			timestamp := newDate.UnixNano() / 1e6
			timestampStr := fmt.Sprintf("%d", timestamp)
			valStr := decimal.NewFromFloat(currentItem.Value).String()
			if existVal, ok := existDataMap[newDate.Format(utils.FormatDate)]; !ok {
				isAdd = true
				addSql += GetAddSql(edbInfoIdStr, edbCode, newDate.Format(utils.FormatDate), 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, newDate.Format(utils.FormatDate)).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
}