package models

import (
	"errors"
	"eta_gn/eta_index_lib/global"
	"eta_gn/eta_index_lib/services/alarm_msg"
	"eta_gn/eta_index_lib/utils"
	"fmt"
	"github.com/shopspring/decimal"
	"strings"
	"time"
)

type EdbDataPython struct {
	EdbDataId     int       `gorm:"column:edb_data_id;primaryKey"` // 指标数据ID
	EdbInfoId     int       `gorm:"column:edb_info_id"`            // 指标信息ID
	EdbCode       string    `gorm:"column:edb_code"`               // 指标编码
	DataTime      string    `gorm:"column:data_time"`              // 数据时间
	Value         float64   `gorm:"column:value"`                  // 数据值
	CreateTime    time.Time `gorm:"column:create_time"`            // 创建时间
	ModifyTime    time.Time `gorm:"column:modify_time"`            // 修改时间
	DataTimestamp int64     `gorm:"column:data_timestamp"`         // 数据时间戳
}

func (m *EdbDataPython) TableName() string {
	return "edb_data_python"
}

type EdbDataFromPython struct {
	Date  map[int]string  `json:"date"`
	Value map[int]float64 `json:"value"`
}

func AddPythonEdb(edbInfo *EdbInfo, item EdbDataFromPython, edbInfoList []*EdbInfo) (err error) {
	for _, tmpEdbInfo := range edbInfoList {
		calculateMappingItem := new(EdbInfoCalculateMapping)
		calculateMappingItem.CreateTime = time.Now()
		calculateMappingItem.ModifyTime = time.Now()
		calculateMappingItem.Sort = 1
		calculateMappingItem.EdbCode = edbInfo.EdbCode
		calculateMappingItem.EdbInfoId = edbInfo.EdbInfoId
		calculateMappingItem.FromEdbInfoId = tmpEdbInfo.EdbInfoId
		calculateMappingItem.FromEdbCode = tmpEdbInfo.EdbCode
		calculateMappingItem.FromEdbName = tmpEdbInfo.EdbName
		calculateMappingItem.FromSource = tmpEdbInfo.Source
		calculateMappingItem.FromSourceName = tmpEdbInfo.SourceName
		calculateMappingItem.Source = edbInfo.Source
		calculateMappingItem.SourceName = edbInfo.SourceName
		err = global.DEFAULT_DmSQL.Create(calculateMappingItem).Error
		if err != nil {
			return
		}
	}

	var isAdd bool
	addSql := ` INSERT INTO edb_data_python (edb_info_id,edb_code,data_time,value,create_time,modify_time,data_timestamp) values `
	for k, dateTimeStr := range item.Date {
		currentDate, tmpErr := time.ParseInLocation(utils.FormatDate, dateTimeStr, time.Local)
		if tmpErr != nil {
			err = tmpErr
			return
		}
		timestamp := currentDate.UnixNano() / 1e6
		timestampStr := fmt.Sprintf("%d", timestamp)

		val := item.Value[k]
		saveVal := utils.SubFloatToString(val, 20)
		addSql += GetAddSql(fmt.Sprint(edbInfo.EdbInfoId), edbInfo.EdbCode, dateTimeStr, timestampStr, saveVal)

		isAdd = true
	}

	if isAdd {
		addSql = strings.TrimRight(addSql, ",")
		err = global.DEFAULT_DmSQL.Exec(addSql).Error
		if err != nil {
			return
		}
	}
	return
}

func RefreshAllPythonEdb(edbInfo *EdbInfo, item EdbDataFromPython) (err error) {
	pythonDataMap := make(map[string]float64)
	pythonDate := make([]string, 0)
	for k, dateTimeStr := range item.Date {
		pythonDataMap[dateTimeStr] = item.Value[k]
		pythonDate = append(pythonDate, dateTimeStr)
	}

	var condition string
	var pars []interface{}
	condition += " AND edb_info_id=? "
	pars = append(pars, edbInfo.EdbInfoId)

	dataList, err := GetAllEdbDataPythonByEdbInfoId(edbInfo.EdbInfoId)
	if err != nil {
		return err
	}

	updateEdbDataMap := make(map[string]float64)
	removeDateList := make([]string, 0) //需要删除的日期
	for _, v := range dataList {
		currDataTime := v.DataTime
		pythonData, ok := pythonDataMap[currDataTime]
		if !ok {
			removeDateList = append(removeDateList, currDataTime)
		} else {
			currValue, _ := decimal.NewFromFloat(pythonData).Truncate(4).Float64() //保留4位小数
			if v.Value != currValue {
				updateEdbDataMap[currDataTime] = currValue
			}
		}
		delete(pythonDataMap, currDataTime)
	}


	{
		addDataList := make([]*EdbDataPython, 0)
		for dataTime, dataValue := range pythonDataMap {
			currentDate, _ := time.ParseInLocation(utils.FormatDate, dataTime, time.Local)
			timestamp := currentDate.UnixNano() / 1e6

			edbDataPython := &EdbDataPython{
				EdbInfoId:     edbInfo.EdbInfoId,
				EdbCode:       edbInfo.EdbCode,
				DataTime:      dataTime,
				Value:         dataValue,
				CreateTime:    time.Now(),
				ModifyTime:    time.Now(),
				DataTimestamp: timestamp,
			}
			addDataList = append(addDataList, edbDataPython)
		}
		if len(addDataList) > 0 {
			tmpErr := global.DEFAULT_DmSQL.CreateInBatches(addDataList, 500).Error
			if tmpErr != nil {
				err = tmpErr
				return
			}
		}
	}

	{
		if len(removeDateList) > 0 {
			removeDateStr := strings.Join(removeDateList, `","`)
			removeDateStr = `"` + removeDateStr + `"`
			tableName := GetEdbDataTableName(edbInfo.Source, edbInfo.SubSource)
			sql := fmt.Sprintf(` DELETE FROM %s WHERE edb_info_id = ? and data_time in (%s) `, tableName, removeDateStr)

			err = global.DEFAULT_DmSQL.Exec(sql, edbInfo.EdbInfoId).Error
			if err != nil {
				err = errors.New("删除不存在的Python运算指标数据失败,Err:" + err.Error())
				return
			}
		}
	}

	{
		tableName := GetEdbDataTableName(edbInfo.Source, edbInfo.SubSource)
		for edbDate, edbDataValue := range updateEdbDataMap {
			sql := fmt.Sprintf(` UPDATE  %s set value = ?,modify_time=now() WHERE edb_info_id = ? and data_time = ? `, tableName)

			err = global.DEFAULT_DmSQL.Exec(sql, edbDataValue, edbInfo.EdbInfoId, edbDate).Error
			if err != nil {
				err = errors.New("更新现有的Python运算指标数据失败,Err:" + err.Error())
				return
			}
		}
	}
	return
}

func EditEdbInfoCalculateMapping(edbInfo *EdbInfo, edbInfoList []*EdbInfo) (err error) {
	var existCondition string
	var existPars []interface{}
	existCondition += " AND edb_info_id=? "
	existPars = append(existPars, edbInfo.EdbInfoId)

	existList, err := GetEdbInfoCalculateListByCondition(existCondition, existPars)
	if err != nil {
		err = fmt.Errorf("判断指标是否改变失败,Err:" + err.Error())
		return
	}
	existEdbInfoIdMap := make(map[int]int)
	isOpEdbInfoIdMap := make(map[int]int)
	for _, v := range existList {
		existEdbInfoIdMap[v.FromEdbInfoId] = v.FromEdbInfoId
	}
	for _, tmpEdbInfo := range edbInfoList {
		if _, ok := isOpEdbInfoIdMap[tmpEdbInfo.EdbInfoId]; ok {
			continue
		}
		if _, ok := existEdbInfoIdMap[tmpEdbInfo.EdbInfoId]; ok {
			delete(existEdbInfoIdMap, tmpEdbInfo.EdbInfoId)
			isOpEdbInfoIdMap[tmpEdbInfo.EdbInfoId] = tmpEdbInfo.EdbInfoId
		} else {
			calculateMappingItem := new(EdbInfoCalculateMapping)
			calculateMappingItem.CreateTime = time.Now()
			calculateMappingItem.ModifyTime = time.Now()
			calculateMappingItem.Sort = 1
			calculateMappingItem.EdbCode = edbInfo.EdbCode
			calculateMappingItem.EdbInfoId = edbInfo.EdbInfoId
			calculateMappingItem.FromEdbInfoId = tmpEdbInfo.EdbInfoId
			calculateMappingItem.FromEdbCode = tmpEdbInfo.EdbCode
			calculateMappingItem.FromEdbName = tmpEdbInfo.EdbName
			calculateMappingItem.FromSource = tmpEdbInfo.Source
			calculateMappingItem.FromSourceName = tmpEdbInfo.SourceName
			calculateMappingItem.Source = edbInfo.Source
			calculateMappingItem.SourceName = edbInfo.SourceName
			err = global.DEFAULT_DmSQL.Create(calculateMappingItem).Error
			if err != nil {
				return
			}
		}
	}

	for _, v := range existEdbInfoIdMap {
		sql := ` DELETE FROM edb_info_calculate_mapping WHERE edb_info_id = ? and from_edb_info_id=?`
		err = global.DEFAULT_DmSQL.Exec(sql, edbInfo.EdbInfoId, v).Error
		if err != nil {
			err = errors.New("删除计算指标关联关系失败,Err:" + err.Error())
			return
		}
	}
	return
}

func GetAllEdbDataPythonByEdbInfoId(edbInfoId int) (items []*EdbDataPython, err error) {
	sql := ` SELECT * FROM edb_data_python WHERE edb_info_id=? ORDER BY data_time DESC `
	err = global.DEFAULT_DmSQL.Raw(sql, edbInfoId).Scan(&items).Error
	return
}

type EdbInfoPythonSaveReq struct {
	AdminId          int    `description:"添加人id"`
	AdminName        string `description:"添加人名称"`
	EdbName          string `description:"指标名称"`
	Frequency        string `description:"频率"`
	Unit             string `description:"单位"`
	ClassifyId       int    `description:"分类id"`
	CalculateFormula string `description:"计算公式"`
	EdbInfoIdArr     []struct {
		EdbInfoId int    `description:"指标id"`
		FromTag   string `description:"指标对应标签"`
	}
}

type ExecPythonEdbReq struct {
	PythonCode string `description:"python代码"`
}

type AddPythonEdbReq struct {
	AdminId    int    `description:"添加人id"`
	AdminName  string `description:"添加人名称"`
	EdbInfoId  int    `description:"指标id"`
	EdbName    string `description:"指标名称"`
	Frequency  string `description:"频度"`
	Unit       string `description:"单位"`
	ClassifyId int    `description:"分类id"`
	PythonCode string `description:"python代码"`
}

func AnalysisPythonCode(pythonCode, edbName string) (edbInfoList []*EdbInfo) {
	tmpEdbCodeList := make([]string, 0) //临时指标code
	edbCodeLen := 0                     //指标数

	tmpList := strings.Split(pythonCode, "\n")
	for _, v := range tmpList {
		if strings.Contains(v, "edb_code") {
			edbCodeLen++
			tmpCodeStrList := strings.Split(v, "edb_code")
			if len(tmpCodeStrList) > 1 {
				tmpCodeStrList2 := strings.Split(tmpCodeStrList[1], "'")
				if len(tmpCodeStrList2) > 1 {
					if tmpCodeStrList2[1] != "" {
						tmpEdbCodeList = append(tmpEdbCodeList, tmpCodeStrList2[1])
					}
				}
				tmpCodeStrList3 := strings.Split(tmpCodeStrList[1], `"`)
				if len(tmpCodeStrList3) > 1 {
					if tmpCodeStrList3[1] != "" {
						tmpEdbCodeList = append(tmpEdbCodeList, tmpCodeStrList3[1])
					}
				}
			}
		}
	}
	for _, v := range tmpEdbCodeList {
		fmt.Println(v)
		item, _ := GetEdbInfoOnlyByEdbCode(v)
		if item != nil {
			edbInfoList = append(edbInfoList, item)
		}
	}
	if len(edbInfoList) != edbCodeLen {
		go alarm_msg.SendAlarmMsg(fmt.Sprintf("python代码关联指标匹配失败，指标名称：%s；实际关联%d个，匹配上%d个", edbName, edbCodeLen, len(edbInfoList)), 3)
	}
	return
}