package mgo

import (
	"context"
	"errors"
	"eta/eta_index_lib/utils"
	"fmt"
	"github.com/qiniu/qmgo"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"time"
)

// EdbDataBusiness
// @Description: 自有数据集合（指标库）
type EdbDataBusiness struct {
	ID            primitive.ObjectID `json:"_id" bson:"_id,omitempty" `            // 文档id
	EdbInfoId     int                `json:"edb_info_id" bson:"edb_info_id"`       // 指标编码
	EdbCode       string             `json:"edb_code" bson:"edb_code"`             // 指标编码
	DataTime      time.Time          `json:"data_time" bson:"data_time"`           // 数据日期
	Value         float64            `json:"value" bson:"value"`                   // 数据值
	CreateTime    time.Time          `json:"create_time" bson:"create_time"`       // 创建时间
	ModifyTime    time.Time          `json:"modify_time" bson:"modify_time"`       // 修改时间
	DataTimestamp int64              `json:"data_timestamp" bson:"data_timestamp"` // 数据日期时间戳
}

// CollectionName
// @Description:  获取集合名称
// @author: Roc
// @receiver m
// @datetime 2024-04-26 13:41:36
// @return string
func (m *EdbDataBusiness) CollectionName() string {
	return "edb_data_business"
}

// DataBaseName
// @Description: 获取数据库名称
// @author: Roc
// @receiver m
// @datetime 2024-04-26 13:41:33
// @return string
func (m *EdbDataBusiness) DataBaseName() string {
	return utils.MgoDataDbName
}

// GetCollection
// @Description: 获取mongodb集合的句柄
// @author: Roc
// @receiver m
// @datetime 2024-04-26 13:41:33
// @return string
func (m *EdbDataBusiness) GetCollection() *qmgo.Collection {
	db := utils.MgoDataCli.Database(m.DataBaseName())
	return db.Collection(m.CollectionName())
}

// GetItem
// @Description: 根据条件获取单条数据
// @author: Roc
// @receiver m
// @datetime 2024-05-09 10:00:49
// @param whereParams interface{}
// @return item *EdbDataBusiness
// @return err error
func (m *EdbDataBusiness) GetItem(whereParams interface{}) (item *EdbDataBusiness, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())

	return m.GetItemByColl(coll, whereParams)
}

// GetItemByColl
// @Description: 根据条件获取单条数据
// @author: Roc
// @receiver m
// @datetime 2024-05-09 13:22:06
// @param coll *qmgo.Collection
// @param whereParams interface{}
// @return item *EdbDataBusiness
// @return err error
func (m *EdbDataBusiness) GetItemByColl(coll *qmgo.Collection, whereParams interface{}) (item *EdbDataBusiness, err error) {
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	err = coll.Find(ctx, whereParams).One(&item)
	if err != nil {
		return
	}

	item.DataTime = item.DataTime.In(time.Local)
	item.CreateTime = item.CreateTime.In(time.Local)
	item.ModifyTime = item.ModifyTime.In(time.Local)

	return
}

// GetAllDataList
// @Description: 根据条件获取所有数据
// @author: Roc
// @receiver m
// @datetime 2024-04-26 13:42:19
// @param whereParams interface{}
// @param sort []string
// @return result []EdbDataBusiness
// @return err error
func (m *EdbDataBusiness) GetAllDataList(whereParams interface{}, sort []string) (result []*EdbDataBusiness, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	err = coll.Find(ctx, whereParams).Sort(sort...).All(&result)
	if err != nil {
		return
	}

	for _, v := range result {
		v.DataTime = v.DataTime.In(time.Local)
		v.CreateTime = v.CreateTime.In(time.Local)
		v.ModifyTime = v.ModifyTime.In(time.Local)
	}

	return
}

// GetLimitDataList
// @Description: 根据条件获取指定数量数据列表
// @author: Roc
// @receiver m
// @datetime 2024-05-06 17:08:32
// @param whereParams interface{}
// @param size int64
// @param sort []string
// @return result []*BaseFromBusinessData
// @return err error
func (m *EdbDataBusiness) GetLimitDataList(whereParams interface{}, size int64, sort []string) (result []*EdbDataBusiness, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	err = coll.Find(ctx, whereParams).Sort(sort...).Limit(size).All(&result)
	if err != nil {
		return
	}

	for _, v := range result {
		v.DataTime = v.DataTime.In(time.Local)
		v.CreateTime = v.CreateTime.In(time.Local)
		v.ModifyTime = v.ModifyTime.In(time.Local)
	}

	return
}

// GetPageDataList
// @Description: 根据条件获取分页数据列表
// @author: Roc
// @receiver m
// @datetime 2024-05-07 10:21:07
// @param whereParams interface{}
// @param startSize int64
// @param size int64
// @param sort []string
// @return result []*EdbDataBusiness
// @return err error
func (m *EdbDataBusiness) GetPageDataList(whereParams interface{}, startSize, size int64, sort []string) (result []*EdbDataBusiness, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	err = coll.Find(ctx, whereParams).Sort(sort...).Skip(startSize).Limit(size).All(&result)
	if err != nil {
		return
	}

	for _, v := range result {
		v.DataTime = v.DataTime.In(time.Local)
		v.CreateTime = v.CreateTime.In(time.Local)
		v.ModifyTime = v.ModifyTime.In(time.Local)
	}

	return
}

// GetCountDataList
// @Description:  根据条件获取数据列表总数
// @author: Roc
// @receiver m
// @datetime 2024-05-07 10:29:00
// @param whereParams interface{}
// @return count int64
// @return err error
func (m *EdbDataBusiness) GetCountDataList(whereParams interface{}) (count int64, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	count, err = coll.Find(ctx, whereParams).Count()

	return
}

// InsertDataByColl
// @Description: 写入单条数据（外部传入集合）
// @author: Roc
// @receiver m
// @datetime 2024-04-26 14:22:18
// @param addData interface{}
// @return err error
func (m *EdbDataBusiness) InsertDataByColl(coll *qmgo.Collection, addData interface{}) (err error) {
	ctx := context.TODO()
	_, err = coll.InsertOne(ctx, addData)
	if err != nil {
		fmt.Println("InsertDataByColl:Err:" + err.Error())
		return
	}

	return
}

// BatchInsertData
// @Description: 批量写入数据
// @author: Roc
// @receiver m
// @datetime 2024-04-26 14:22:18
// @param bulk int 每次请求保存的数据量
// @param dataList []interface{}
// @return err error
func (m *EdbDataBusiness) BatchInsertData(bulk int, dataList []interface{}) (err error) {
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())

	return m.BatchInsertDataByColl(coll, bulk, dataList)
}

// BatchInsertDataByColl
// @Description: 批量写入数据（外部传入集合）
// @author: Roc
// @receiver m
// @datetime 2024-04-26 14:22:18
// @param coll *qmgo.Collection
// @param bulk int 每次请求保存的数据量
// @param dataList []interface{}
// @return err error
func (m *EdbDataBusiness) BatchInsertDataByColl(coll *qmgo.Collection, bulk int, dataList []interface{}) (err error) {
	ctx := context.TODO()
	dataNum := len(dataList)
	if dataNum <= 0 {
		return
	}

	// 不设置每次保存切片数量大小，或者实际数据量小于设置的切片数量大小，那么就直接保存吧
	if bulk <= 0 || dataNum <= bulk {
		_, err = coll.InsertMany(ctx, dataList)
		if err != nil {
			fmt.Println("BatchInsertData:Err:" + err.Error())
			return
		}
		return
	}

	// 分批保存
	i := 0
	tmpAddDataList := make([]interface{}, 0)
	for _, v := range dataList {
		tmpAddDataList = append(tmpAddDataList, v)
		i++
		if i >= bulk {
			_, err = coll.InsertMany(ctx, tmpAddDataList)
			if err != nil {
				fmt.Println("BatchInsertData:Err:" + err.Error())
				return
			}
			i = 0
			tmpAddDataList = make([]interface{}, 0)
		}
	}

	if len(tmpAddDataList) > 0 {
		_, err = coll.InsertMany(ctx, tmpAddDataList)
		if err != nil {
			fmt.Println("BatchInsertData:Err:" + err.Error())
			return
		}
	}

	return
}

// UpdateData
// @Description: 单条数据修改
// @author: Roc
// @receiver m
// @datetime 2024-04-26 15:01:51
// @param whereParams interface{}
// @param updateParams interface{}
// @return err error
func (m *EdbDataBusiness) UpdateData(whereParams, updateParams interface{}) (err error) {
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())

	return m.UpdateDataByColl(coll, whereParams, updateParams)
}

// UpdateDataByColl
// @Description: 单条数据修改（外部传入集合）
// @author: Roc
// @receiver m
// @datetime 2024-04-26 15:01:51
// @param whereParams interface{}
// @param updateParams interface{}
// @return err error
func (m *EdbDataBusiness) UpdateDataByColl(coll *qmgo.Collection, whereParams, updateParams interface{}) (err error) {
	ctx := context.TODO()
	err = coll.UpdateOne(ctx, whereParams, updateParams)
	if err != nil {
		fmt.Println("UpdateDataByColl:Err:" + err.Error())
		return
	}

	return
}

// RemoveMany
// @Description: 根据条件删除多条数据
// @author: Roc
// @receiver m
// @datetime 2024-04-30 13:17:02
// @param whereParams interface{}
// @return err error
func (m *EdbDataBusiness) RemoveMany(whereParams interface{}) (err error) {
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())

	return m.RemoveManyByColl(coll, whereParams)
}

// RemoveManyByColl
// @Description: 根据条件删除多条数据（外部传入集合）
// @author: Roc
// @receiver m
// @datetime 2024-04-30 13:18:42
// @param coll *qmgo.Collection
// @param whereParams interface{}
// @return err error
func (m *EdbDataBusiness) RemoveManyByColl(coll *qmgo.Collection, whereParams interface{}) (err error) {
	ctx := context.TODO()
	_, err = coll.RemoveAll(ctx, whereParams)
	if err != nil {
		fmt.Println("RemoveManyByColl:Err:" + err.Error())
		return
	}

	return
}

// HandleData
// @Description: 事务处理数据
// @author: Roc
// @receiver m
// @datetime 2024-04-30 10:39:01
// @param addDataList []AddEdbDataBusiness
// @param updateDataList []EdbDataBusiness
// @return result interface{}
// @return err error
func (m *EdbDataBusiness) HandleData(addDataList, updateDataList []EdbDataBusiness) (result interface{}, err error) {

	ctx := context.TODO()

	callback := func(sessCtx context.Context) (interface{}, error) {
		// 重要：确保事务中的每一个操作，都使用传入的sessCtx参数

		db := utils.MgoDataCli.Database(m.DataBaseName())
		coll := db.Collection(m.CollectionName())

		// 插入数据
		if len(addDataList) > 0 {
			_, err = coll.InsertMany(sessCtx, addDataList)
			if err != nil {
				return nil, err
			}
		}

		// 修改

		if len(updateDataList) > 0 {
			for _, v := range updateDataList {
				err = coll.UpdateOne(ctx, bson.M{"_id": v.ID}, bson.M{"$set": bson.M{"value": v.Value, "modify_time": v.ModifyTime}})
				if err != nil {
					fmt.Println("BatchInsertData:Err:" + err.Error())
					return nil, err
				}
			}
		}

		return nil, nil
	}
	result, err = utils.MgoDataCli.DoTransaction(ctx, callback)

	return
}

// EdbInfoMaxAndMinInfo 指标最新数据记录结构体
type EdbInfoMaxAndMinInfo struct {
	MinDate     time.Time `description:"最小日期" bson:"min_date"`
	MaxDate     time.Time `description:"最大日期" bson:"max_date"`
	MinValue    float64   `description:"最小值" bson:"min_value"`
	MaxValue    float64   `description:"最大值" bson:"max_value"`
	LatestValue float64   `description:"最新值" bson:"latest_value"`
	LatestDate  time.Time `description:"实际数据最新日期" bson:"latest_date"`
	EndValue    float64   `description:"最新值" bson:"end_value"`
}

// GetEdbInfoMaxAndMinInfo
// @Description: 获取当前指标的最大最小值
// @author: Roc
// @receiver m
// @datetime 2024-04-30 17:15:39
// @param whereParams interface{}
// @return result EdbInfoMaxAndMinInfo
// @return err error
func (m *EdbDataBusiness) GetEdbInfoMaxAndMinInfo(whereParams interface{}) (result EdbInfoMaxAndMinInfo, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}
	err = coll.Aggregate(ctx, whereParams).One(&result)
	if err != nil {
		return
	}
	result.MinDate = result.MinDate.In(time.Local)
	result.MaxDate = result.MaxDate.In(time.Local)
	result.LatestDate = result.LatestDate.In(time.Local)

	return
}

// LatestValue 指标最新数据记录结构体
type LatestValue struct {
	Value float64 `description:"值" bson:"value"`
}

// GetLatestValue
// @Description: 获取当前指标的最新数据记录
// @author: Roc
// @receiver m
// @datetime 2024-04-30 17:16:15
// @param whereParams interface{}
// @param selectParam interface{}
// @return latestValue LatestValue
// @return err error
func (m *EdbDataBusiness) GetLatestValue(whereParams, selectParam interface{}) (latestValue LatestValue, err error) {
	if utils.MgoDataCli == nil {
		err = errors.New("mongodb连接失败")
		return
	}
	db := utils.MgoDataCli.Database(m.DataBaseName())
	coll := db.Collection(m.CollectionName())
	ctx := context.TODO()
	if err != nil {
		fmt.Println("MgoGetColl Err:", err.Error())
		return
	}

	//var result interface{}
	//err = coll.Find(ctx, whereParams).Select(selectParam).One(&result)
	err = coll.Find(ctx, whereParams).Select(selectParam).One(&latestValue)

	return
}