package FileRelateDao

import (
	"dsSzxy/Utils/CommonUtil"
	"dsSzxy/Utils/ConfigUtil"
	"dsSzxy/Utils/DbUtil"
	"dsSzxy/Utils/SqlKit"
	"dsSzxy/models"
	"errors"
	"fmt"
	"github.com/xormplus/builder"
	"net/url"
	"time"
)

var db = DbUtil.Engine

/**
功能：生成下载地址带中文名
*/
func GetFileDownLoadUrl(key string, originName string) string {
	infix := "?response-content-disposition=attachment%3BfileName%2A%3DUTF-8%27%27"
	downloadUrl := ConfigUtil.MinioDownloadPrefix + ConfigUtil.MinioBucket + "/" + key + infix + url.QueryEscape(url.QueryEscape(originName))
	return downloadUrl
}

//文件记录
func FileRecord(fileName string, indentityId int32, personId int32, targetGroupId int32, tIdentityId int32, tPersonId int32, systemId int32, fileSize int32, extName string) {
	var model models.TZhxyFile
	model.FileId = CommonUtil.GetUUID()
	model.FileName = fileName
	model.FileSize = fileSize
	model.BaseId = "-1"
	model.BUse = 1
	model.ExtName = extName
	model.SystemId = systemId
	model.TargetGroupId = targetGroupId
	model.TargetIdentityId = tIdentityId
	model.TargetPersonId = tPersonId
	model.SourceIndentityId = indentityId
	model.SourcePersonId = personId
	model.RecordTime = time.Now()
	c, err := GetFileTypeByExtName(extName)
	if err == nil {
		model.TypeId = int32(c)
	} else {
		model.TypeId = 0
	}
	_, err = db.Insert(model)
	if err != nil {
		fmt.Println(err)
		return
	}
}

//修改文件名称
func FileUpdate(fileId string, fileName string) {
	var myBuilder = builder.Dialect(builder.MYSQL).Update(builder.Eq{"file_name": fileName}).
		From(`t_zhxy_file`).Where(builder.Eq{"file_id": fileId})
	sql, _ := myBuilder.ToBoundSQL()
	_, err := db.SQL(sql).Execute()
	if err != nil {
		fmt.Println(err.Error())
	}
}

//复制文件记录
func FileCopy(fileId string, sIdentityId int32, sPersonId int32, tIdentityId int32, tPersonId int32, tGroudpId int32) (bool, error) {
	//1、查询这个文件原来是谁的
	modelArray := make([]models.TZhxyFile, 0)
	err := db.Where("file_id = ?", fileId).Limit(1, 1).Find(&modelArray)
	if err != nil {
		fmt.Println("在检索时发生错误：", err.Error())
		return false, err
	}
	//2、拷贝一份
	if len(modelArray) == 0 {
		return false, errors.New("没有找到指定的file_id")
	}
	model := modelArray[0]
	model.FileId = CommonUtil.GetUUID()
	model.SourceIndentityId = sIdentityId
	model.SourcePersonId = sPersonId
	model.TargetIdentityId = tIdentityId
	model.TargetPersonId = tPersonId
	model.TargetGroupId = tGroudpId
	model.RecordTime = time.Now()
	_, err = db.Insert(model)
	if err != nil {
		fmt.Println(err.Error())
		return false, errors.New("写入数据库时发生错误")
	}
	return true, nil
}

/**
功能：获取文件扩展名对应的类型ID
*/
func GetFileTypeByExtName(extName string) (int64, error) {
	var myBuilder = builder.Dialect(builder.MYSQL).Select(`type_id`).
		From(`t_zhxy_file_type_ext`).Where(builder.Eq{"ext_name": extName})
	sql, _ := myBuilder.ToBoundSQL()
	res, _ := db.SQL(sql).Query().List()
	if len(res) == 0 {
		return 0, nil
	}
	return res[0]["type_id"].(int64), nil
}

//增加云盘结点
func AddNode(identityId int32, personId int32, parentNodeId string, nodeName string) (bool, error) {
	var model models.TZhxyClouddiskTree
	model.NodeId = CommonUtil.GetUUID()
	model.NodeName = nodeName
	model.IdentityId = identityId
	model.PersonId = personId
	model.ParentId = parentNodeId
	_, err := db.Insert(model)
	if err != nil {
		return false, err
	} else {
		return true, nil
	}
}

//更新云盘结点名称
func UpdateNode(nodeId string, nodeName string) (bool, error) {
	sql := `update t_zhxy_clouddisk_tree set node_name=? where node_id=?`
	_, err := db.SQL(sql, nodeName, nodeId).Execute()
	if err != nil {
		return false, err
	}
	return true, nil
}

//删除云盘结点
func DelNode(nodeId string) (bool, error) {
	sql := `delete from t_zhxy_clouddisk_tree where node_id=?`
	_, err := db.SQL(sql, nodeId).Execute()
	if err != nil {
		return false, err
	}
	return true, nil
}

//增加云盘结点文件
func AddNodeFile(nodeId string, fileId string) (bool, error) {
	var model models.TZhxyClouddiskTreeFile
	model.FileId = fileId
	model.NodeId = nodeId
	_, err := db.Insert(model)
	if err != nil {
		return false, err
	}
	return true, nil
}

//删除云盘结点文件
func DelNodeFile(nodeId string, fileId string) (bool, error) {
	sql := `delete from t_zhxy_clouddisk_tree_file where node_id=? and file_id=?`
	_, err := db.SQL(sql, nodeId, fileId).Execute()
	if err != nil {
		return false, err
	}
	return true, nil
}

//获取指定树型结构下的子目录(同步)
func GetSyncTree(identityId int32, personId int32) (bool, error) {
	sql := `select node_id,node_name,parent_id,identity_id,person_id from t_zhxy_clouddisk_tree where identity_id=? and person_id=?`
	_, err := db.SQL(sql, identityId, personId).Execute()
	if err != nil {
		return false, err
	}
	return true, nil
}

//获取指定树型结构下的子目录(异步)
func GetAsyncTree(identityId int32, personId int32, parentId string) (bool, error) {
	sql := `select node_id,node_name,parent_id,identity_id,person_id from t_zhxy_clouddisk_tree where identity_id=? and person_id=? and parent_id=?`
	_, err := db.SQL(sql, identityId, personId, parentId).Execute()
	if err != nil {
		return false, err
	}
	return true, nil
}

//获取指定树形结构下的文件列表
func GetFileList(identityId int32, personId int32, nodeId string, limit int, offset int) (int32, []map[string]interface{}) {
	var myBuilder = builder.Dialect(builder.MYSQL).Select("t1.*,t2.file_name,t2.file_size").
		From(`t_zhxy_clouddisk_tree_file as t1`).
		InnerJoin("t_zhxy_file as t2", "t1.file_id=t2.file_id").
		Where(builder.Eq{"t2.b_use": 1}).
		And(builder.Eq{"t1.identity_id": identityId}).
		And(builder.Eq{"t1.person_id": personId}).
		And(builder.Eq{"t1.node_id": nodeId}).OrderBy("t1.record_time desc")
	//获取拼接完成的SQL语句
	sql, err := myBuilder.Limit(limit, offset).ToBoundSQL()
	if err != nil {
		fmt.Println(err.Error())
	}
	c, err := SqlKit.Count(sql)
	if err != nil {
		fmt.Println(err.Error())
	}
	list, err := db.SQL(sql).Query().List()
	if err != nil {
		fmt.Println(err.Error())
	}
	return c, list
}