// 业务逻辑服务基类，提供基本的添删改查功能
//
// 修改纪录
// 2016.06.06 版本：1.0 yy 新建账户分表结构的处理

package mydb

import (
	"encoding/json"
	"fmt"
	"reflect"
	"strconv"

	. "dashoo.cn/utils/db"
	//	"github.com/go-xorm/xorm"
)

type MySessionBase struct {
	SessionBase
}

//
func (s *MySessionBase) GetPagingEntitiesWithOrderBytbl(AccCode string, pageIndex, itemsPerPage int64, order string, asc bool, entitiesPtr interface{}, where ...string) (total int64) {
	var err error
	var resultsSlice []map[string][]byte
	//获取表名
	tableName := AccCode + GetTableName(entitiesPtr)
	if len(where) == 0 {
		if asc {
			err = s.Session.Table(tableName).Limit(int(itemsPerPage), (int(pageIndex)-1)*int(itemsPerPage)).Asc(order).Find(entitiesPtr)
		} else {
			err = s.Session.Table(tableName).Limit(int(itemsPerPage), (int(pageIndex)-1)*int(itemsPerPage)).Desc(order).Find(entitiesPtr)
		}
		//获取总记录数
		sql := "SELECT COUNT(*) AS total FROM " + tableName
		resultsSlice, err = s.Session.Query(sql)
		LogError(err)

	} else {
		if asc {
			err = s.Session.Table(tableName).Where(where[0]).Limit(int(itemsPerPage), (int(pageIndex)-1)*int(itemsPerPage)).Asc(order).Find(entitiesPtr)
		} else {
			err = s.Session.Table(tableName).Where(where[0]).Limit(int(itemsPerPage), (int(pageIndex)-1)*int(itemsPerPage)).Desc(order).Find(entitiesPtr)
		}
		sql := "SELECT COUNT(*) AS total FROM " + tableName + " where " + where[0]
		resultsSlice, err = s.Session.Query(sql)
	}
	LogError(err)
	if len(resultsSlice) > 0 {
		results := resultsSlice[0]
		for _, value := range results {
			total, err = strconv.ParseInt(string(value), 10, 64)
			LogError(err)
			break
		}
	}
	return total
}

//样本库分表
func (s *MySessionBase) InsertEntityBytbl(tablename string, entity interface{}) (affected int64, err error) {
	affected, err = s.Session.Table(tablename).Insert(entity)
	LogError(err)
	return
}

func (s *MySessionBase) GetEntityByIdBytbl(tablename string, id interface{}, entityPtr interface{}) (has bool) {
	has, err := s.Session.Table(tablename).Id(id).Get(entityPtr)
	LogError(err)
	return
}

func (s *MySessionBase) GetEntityByWhere(tablename string, where string, entityPtr interface{}) (has bool) {
	has, err := s.Session.Table(tablename).Where(where).Get(entityPtr)
	LogError(err)
	return
}

func (s *MySessionBase) GetEntitysByWhere(tablename string, where string, entityPtr interface{}) {
	err := s.Session.Table(tablename).Where(where).Find(entityPtr)
	LogError(err)
	return
}

func (s *MySessionBase) GetEntitysByOrderbyWhere(tablename, where, orderby string, entityPtr interface{}) {
	err := s.Session.Table(tablename).Where(where).OrderBy(orderby).Find(entityPtr)
	LogError(err)
	return
}

//更新实体写入日志，会自动备份数据
func (s *MySessionBase) UpdateEntityBytbl(tablename string, id interface{}, entity interface{}, cols []string) (err error) {
	//session := s.DBE.NewSession()
	//defer session.Close()
	//err = session.Begin()
	LogError(err)
	if err != nil {
		//s.Session.Rollback()
		return err
	}
	_, err = s.Session.Table(tablename).Id(id).Cols(cols...).Update(entity) //执行更新
	LogError(err)
	if err != nil {
		//s.Session.Rollback()
		return err
	}
	//err = s.Session.Commit()
	if err != nil {
		return err
	}
	return
}

//根据条件修改数据，不记录日志
func (s *MySessionBase) UpdateEntityBywheretbl(tablename string, entity interface{}, cols []string, where string) (err error) {
	_, err = s.Session.Table(tablename).Where(where).Cols(cols...).Update(entity) //执行更新
	return err
}

//更新实体写入日志，会自动备份数据
func (s *MySessionBase) UpdateDonorAndWriteLogBytbl(tablename string, tablelogname string, id interface{}, entity interface{}, entityEmpty interface{}, cols []string, userid, username, opdesc, acccode, sourcename string) (err error) {
	s.GetEntityByIdBytbl(tablename, id, entityEmpty)
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	json, err := json.Marshal(entityEmpty)
	LogError(err)
	updatem := new(DonorsLog)
	//获取表名
	objT := reflect.TypeOf(entity)
	objT = objT.Elem()
	tableName := objT.Name()
	updatem.TableName = tableName
	updatem.AccCode = acccode
	updatem.OpDesc = opdesc
	updatem.OpType = 1
	updatem.SourceName = sourcename
	updatem.RecordId = fmt.Sprintf("%v", id)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//s.Session.Rollback()
		return err
	}
	_, err = s.Session.Table(tablename).Id(id).Cols(cols...).Update(entity) //执行更新
	LogError(err)
	if err != nil {
		//s.Session.Rollback()
		return err
	}
	err = s.Session.Commit()
	if err != nil {
		return err
	}
	return
}

//删除实体并写入日志，会自动备份数据，entity为空的表结构
func (s *MySessionBase) DeleteDonorAndWriteLogBytbl(tablename string, tablelogname string, id interface{}, entity interface{}, entityEmpty interface{}, userid, username, opdesc, acccode, sourcename string) (err error) {
	has := s.GetEntityByIdBytbl(tablename, id, entity)
	if has {
		//session := s.Session.NewSession()
		//defer session.Close()
		//err := session.Begin()
		json, err := json.Marshal(entity)
		LogError(err)
		deleted := new(DonorsLog)
		//获取表名
		objT := reflect.TypeOf(entity)
		objT = objT.Elem()
		tableName := objT.Name()

		deleted.TableName = tableName
		deleted.AccCode = acccode
		deleted.OpDesc = opdesc
		deleted.OpType = 2
		deleted.SourceName = sourcename
		deleted.RecordId = fmt.Sprintf("%v", id)
		deleted.RecordData = string(json)
		deleted.CreateUserId = userid
		deleted.CreateBy = username

		_, err = s.Session.Table(tablelogname).Insert(deleted) //保存到更新历史表

		LogError(err)
		if err != nil {
			//session.Rollback()
			return err
		}
		_, err = s.Session.Table(tablename).Id(id).Delete(entityEmpty) //执行删除
		LogError(err)
		if err != nil {
			//session.Rollback()
			return err
		}
		//err = session.Commit()
		if err != nil {
			return err
		}
	}
	return
}

//主信息不存在，首次添加样本
func (s *MySessionBase) InsertSampleAndBuss(tblmain, tbldetail, tblbuss string, entitymain, entitydetail, entitybuss interface{}) (affected int64, err error) {
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	affected, err = s.Session.Table(tblmain).Insert(entitymain)
	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tbldetail).Insert(entitydetail)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tblbuss).Insert(entitybuss)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	//err = session.Commit()
	if err != nil {
		return 0, err
	}
	return
}

//主信息已存在，添加分管信息
func (s *MySessionBase) InsertOtherSampleAndBuss(tblmain, tbldetail, tblbuss string, entitymain, entitydetail, entitybuss interface{},
	cols []string, id interface{}, mainentityEmpty interface{}, tablelogname, acccode, userid, username, samplecode string, sampletype int) (affected int64, err error) {
	s.GetEntityByIdBytbl(tblmain, id, mainentityEmpty)
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()

	json, err := json.Marshal(mainentityEmpty)
	LogError(err)
	updatem := new(SamplesLog)
	//获取表名
	objT := reflect.TypeOf(entitymain)
	objT = objT.Elem()
	tableName := objT.Name()
	updatem.TableName = tableName
	updatem.AccCode = acccode
	updatem.OpType = 3
	updatem.SampleCode = samplecode
	updatem.SampleType = sampletype
	updatem.MId = fmt.Sprintf("%v", id)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}

	_, err = s.Session.Table(tblmain).Id(id).Cols(cols...).Update(entitymain) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tbldetail).Insert(entitydetail)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tblbuss).Insert(entitybuss)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	//err = session.Commit()
	if err != nil {
		return 0, err
	}
	return
}

//主信息不存在，首次添加样本 预录入新增，不写入buss
func (s *MySessionBase) InsertSamplePre(tblmain, tbldetail string, entitymain, entitydetail interface{}) (affected int64, err error) {
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	affected, err = s.Session.Table(tblmain).Insert(entitymain)
	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tbldetail).Insert(entitydetail)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	//err = session.Commit()
	if err != nil {
		return 0, err
	}
	return
}

//主信息已存在，添加分管信息 预录入新增，不写入buss
func (s *MySessionBase) InsertOtherSamplePre(tblmain, tbldetail string, entitymain, entitydetail interface{},
	cols []string, id interface{}, mainentityEmpty interface{}, tablelogname, acccode, userid, username, samplecode string, sampletype int) (affected int64, err error) {
	s.GetEntityByIdBytbl(tblmain, id, mainentityEmpty)
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()

	json, err := json.Marshal(mainentityEmpty)
	LogError(err)
	updatem := new(SamplesLog)
	//获取表名
	objT := reflect.TypeOf(entitymain)
	objT = objT.Elem()
	tableName := objT.Name()
	updatem.TableName = tableName
	updatem.AccCode = acccode
	updatem.OpType = 3
	updatem.SampleCode = samplecode
	updatem.SampleType = sampletype
	updatem.MId = fmt.Sprintf("%v", id)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}

	_, err = s.Session.Table(tblmain).Id(id).Cols(cols...).Update(entitymain) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tbldetail).Insert(entitydetail)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	//err = session.Commit()
	if err != nil {
		return 0, err
	}
	return
}

//出入库信息。修改主表和从表，添加buss表
func (s *MySessionBase) UpdateOtherSampleAndBuss(tblmain, tbldetail, tblbuss string, entitymain, entitydetail, entitybuss interface{},
	cols, colsdetail []string, id interface{}, mainentityEmpty, detailentityEmpty interface{}, tablelogname, acccode, userid, username, samplecode string) (affected int64, err error) {
	s.GetEntityByIdBytbl(tblmain, id, mainentityEmpty)
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()

	json, err := json.Marshal(mainentityEmpty)
	LogError(err)
	updatem := new(SamplesLog)
	//获取表名
	objT := reflect.TypeOf(entitymain)
	objT = objT.Elem()
	tableName := objT.Name()
	updatem.TableName = tableName
	updatem.AccCode = acccode
	updatem.OpType = 1
	updatem.SampleCode = samplecode
	updatem.BarCode = samplecode
	updatem.RecordId = fmt.Sprintf("%v", id)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}

	_, err = s.Session.Table(tblmain).Id(id).Cols(cols...).Update(entitymain) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return 0, err
	}

	s.GetEntityByIdBytbl(tbldetail, id, detailentityEmpty)

	affected, err = s.Session.Table(tbldetail).Insert(entitydetail)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	affected, err = s.Session.Table(tblbuss).Insert(entitybuss)
	if err != nil {
		//session.Rollback()
		return 0, err
	}
	//err = session.Commit()
	if err != nil {
		return 0, err
	}
	return
}

//更改样本表
func (s *MySessionBase) UpdateSample(tablename string, id interface{}, entity interface{}, cols []string) (err error) {
	//	fmt.Println("=====")
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	_, err = s.Session.Table(tablename).Id(id).Cols(cols...).Update(entity) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	//err = session.Commit()
	if err != nil {
		return err
	}
	return
}

//复苏分装提取信息。修改从表，添加buss表
func (s *MySessionBase) UpdateDetailAndBuss(tbldetail, tblbuss string, id interface{}, entitydetail, entitybuss interface{}, colsdetail []string) (err error) {
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	_, err = s.Session.Table(tbldetail).Id(id).Cols(colsdetail...).Update(entitydetail) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	_, err = s.Session.Table(tblbuss).Insert(entitybuss)
	if err != nil {
		//session.Rollback()
		return err
	}
	//err = session.Commit()
	if err != nil {
		return err
	}
	return
}

//更改样本表并写入日志
func (s *MySessionBase) WriteSampleLog(tablelogname string, id interface{}, mid interface{}, entity interface{}, userid, username, acccode, samplecode, barcode string, sampletype int) (err error) {
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	json, err := json.Marshal(entity)
	LogError(err)
	updatem := new(SamplesLog)
	//获取表名
	updatem.TableName = "SamplesInfoShow"
	updatem.AccCode = acccode
	updatem.OpType = 1
	updatem.SampleCode = samplecode
	updatem.BarCode = barcode
	updatem.RecordId = fmt.Sprintf("%v", id)
	updatem.MId = fmt.Sprintf("%v", mid)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	updatem.SampleType = sampletype
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	//err = session.Commit()
	if err != nil {
		return err
	}
	return
}

//写入样本删除日志
func (s *MySessionBase) WriteDeleteSampleLog(tablelogname string, id interface{}, mid interface{}, entity interface{}, userid, username, acccode, samplecode, barcode string, sampletype int) (err error) {
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	json, err := json.Marshal(entity)
	LogError(err)
	updatem := new(SamplesLog)
	//获取表名
	updatem.TableName = "SamplesInfoShow"
	updatem.AccCode = acccode
	updatem.OpType = 2
	updatem.SampleCode = samplecode
	updatem.BarCode = barcode
	updatem.RecordId = fmt.Sprintf("%v", id)
	updatem.MId = fmt.Sprintf("%v", mid)
	updatem.RecordData = string(json)
	updatem.CreateUserId = userid
	updatem.CreateBy = username
	updatem.SampleType = sampletype
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	//err = session.Commit()
	if err != nil {
		return err
	}
	return
}

//更新实体写入日志，会自动备份数据
func (s *MySessionBase) UpdateOperationAndWriteLogBytbl(tablename string, tablelogname string, id interface{}, entity interface{}, entityEmpty interface{}, cols []string, userid, username, opdesc, acccode, tabledesc string) (err error) {
	s.GetEntityByIdBytbl(tablename, id, entityEmpty)
	//session := s.Session.NewSession()
	//defer session.Close()
	//err = session.Begin()
	json, err := json.Marshal(entityEmpty)
	LogError(err)
	updatem := new(Base_OperationLog)
	//获取表名
	objT := reflect.TypeOf(entity)
	objT = objT.Elem()
	tableName := objT.Name()
	updatem.TableName = tableName
	updatem.AccCode = acccode
	updatem.OpDesc = opdesc
	updatem.OpTage = 1
	updatem.TableDesc = tabledesc
	updatem.RecordId = fmt.Sprintf("%v", id)
	updatem.RecordData = string(json)
	updatem.Createuserid = userid
	updatem.Createby = username
	_, err = s.Session.Table(tablelogname).Insert(updatem) //保存到更新历史表

	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	_, err = s.Session.Table(tablename).Id(id).Cols(cols...).Update(entity) //执行更新
	LogError(err)
	if err != nil {
		//session.Rollback()
		return err
	}
	//err = session.Commit()
	if err != nil {
		return err
	}
	return
}

//删除实体并写入日志，会自动备份数据，entity为空的表结构
func (s *MySessionBase) DeleteOperationAndWriteLogBytbl(tablename string, tablelogname string, id interface{}, entity interface{}, entityEmpty interface{}, userid, username, opdesc, acccode, tabledesc string) (err error) {
	has := s.GetEntityByIdBytbl(tablename, id, entity)
	if has {
		//session := s.Session.NewSession()
		//defer session.Close()
		//err := session.Begin()
		json, err := json.Marshal(entity)
		LogError(err)
		deleted := new(Base_OperationLog)
		//获取表名
		objT := reflect.TypeOf(entity)
		objT = objT.Elem()
		tableName := objT.Name()

		deleted.TableName = tableName
		deleted.AccCode = acccode
		deleted.OpDesc = opdesc
		deleted.OpTage = 2
		deleted.TableDesc = tabledesc
		deleted.RecordId = fmt.Sprintf("%v", id)
		deleted.RecordData = string(json)
		deleted.Createuserid = userid
		deleted.Createby = username

		_, err = s.Session.Table(tablelogname).Insert(deleted) //保存到更新历史表

		LogError(err)
		if err != nil {
			//session.Rollback()
			return err
		}
		_, err = s.Session.Table(tablename).Id(id).Delete(entityEmpty) //执行删除
		LogError(err)
		if err != nil {
			//session.Rollback()
			return err
		}
		//err = session.Commit()
		if err != nil {
			return err
		}
	}
	return
}

//根据条件删除数据，不记录日志
func (s *MySessionBase) DeleteEntityBytbl(tablename string, where string) (err error) {
	if where == "" {
		where = "1=2"
	}
	sql := `delete from ` + tablename + ` where ` + where
	_, err = s.Session.Exec(sql)
	return
}

func (s *MySessionBase) GetTopNEntities(tablename string, topN int, where string, entitiesPtr interface{}) {
	err := s.Session.Table(tablename).Where(where).Limit(topN, 0).Find(entitiesPtr)
	LogError(err)
	return
}