package busmodels

import (
	"device-manage/app/admin/models"
	orm "device-manage/common/global"
	"errors"
	"fmt"
	"strconv"
)

type GroupsId struct {
	GroupId int `json:"groupId" gorm:"primary_key;AUTO_INCREMENT"`
}

//group type 有两种, type:1, 管理群组, 普通用户不可删除,admin用户可以删除. type:2 普通群组, 全部用户可以删除.
//默认admin帐号初始帐号为管理群组, 新建用户的默认群组也是管理群组.
type BusGroup struct {
	GroupsId
	GroupName string `json:"groupName" gorm:"size:128;"`
	ParentId  int    `json:"parentId"`
	GroupType int    `json:"groupType"`
	Remark    string `json:"remark" gorm:"size:255;"`
	UpdateBy  string `json:"updateBy" gorm:"size:128;"`
	CreateBy  string `json:"createBy" gorm:"size:128;"`
	BaseModel
	OwnerId         int             `json:"ownerId"`
	BusAppGroupBind BusAppGroupBind `gorm:"foreignKey:GroupId;references:GroupId"`
}

type QueryGroupParams struct {
	GroupName string `json:"groupName" gorm:"size:128;"`
	PageSize  int    `json:"pageSize"`
	PageIndex int    `json:"pageIndex"`
	Gids      []int  `json:"gids"`
}

type GroupInfo struct {
	BusGroup
	OwnerUser   string `json:"ownerUser" gorm:"size:128;"`
	ParentGroup string `json:"parentGroup" gorm:"size:128;"`
}

func (BusGroup) TableName() string {
	return "bus_group"
}

func (e *BusGroup) Get() (BusGroup, error) {
	var doc BusGroup

	table := orm.Eloquent.Table(e.TableName())
	if e.GroupId != 0 {
		table = table.Where("group_id = ?", e.GroupId)
	}

	if err := table.First(&doc).Error; err != nil {
		return doc, err
	}
	return doc, nil
}

func (e *BusGroup) GetGroupByName() (int, error) {
	var count int64 = 0

	table := orm.Eloquent.Table(e.TableName())
	if e.GroupName != "" {
		table = table.Where("group_name = ?", e.GroupName)
	}
	if err := table.Count(&count).Error; err != nil {
		return int(count), err
	}
	return int(count), nil
}

//查询用户群组id列表
func (e *BusGroup) GetGroupIds(userIds []int) (gids []int, err error) {
	var doc []GroupsId
	fmt.Println(">> ", len(userIds))
	for _, vall := range userIds {
		fmt.Println(">> ", vall)
	}
	table := orm.Eloquent.Table(e.TableName())
	if len(userIds) > 0 {
		table = table.Where("owner_id in (?)", userIds)
		if err := table.Find(&doc).Error; err != nil {
			return gids, err
		}
	}
	for _, id := range doc {
		fmt.Println("GroupId:", id.GroupId)
		gids = append(gids, id.GroupId)
	}
	return gids, err
}

func (e *BusGroup) GetPage(pageSize int, pageIndex int, gids []int) ([]GroupInfo, int, error) {
	var doc []GroupInfo
	table := orm.Eloquent.Table(e.TableName())
	if e.GroupName != "" {
		table = table.Where("group_name like ?", "%"+e.GroupName+"%")
	}
	if len(gids) > 0 {
		table = table.Where("group_id in (?)", gids)
	}

	var count int64

	if err := table.Order("group_id desc").Offset((pageIndex - 1) * pageSize).Limit(pageSize).Find(&doc).Offset(-1).Limit(-1).Count(&count).Error; err != nil {
		return nil, 0, err
	}
	for k, v := range doc {
		var group BusGroup
		table = orm.Eloquent.Table(e.TableName())
		tableUser := orm.Eloquent.Table("sys_user")
		if err := table.Where("group_id  = ?", v.ParentId).Find(&group).Error; err == nil {
			user := models.SysUser{}
			user2 := models.SysUser{}
			id, _ := strconv.Atoi(v.CreateBy)
			if err := tableUser.Where("user_id = ?", id).Find(&user).Error; err == nil {
				doc[k].UpdateBy = user.Username
			}
			id = v.OwnerId
			if err := orm.Eloquent.Table("sys_user").Where("user_id = ?", id).Find(&user2).Error; err == nil {
				doc[k].OwnerUser = user2.Username
			}
			doc[k].ParentGroup = group.GroupName
			doc[k].OwnerId = v.OwnerId
		}
	}

	return doc, int(count), nil
}

func (e *BusGroup) Insert() (id int, err error) {
	// check 用户名
	var count int64
	orm.Eloquent.Table(e.TableName()).Where("group_name = ?", e.GroupName).Count(&count)
	if count > 0 {
		err = errors.New("grop name 已存在！")
		return
	}

	//添加数据
	if err = orm.Eloquent.Table(e.TableName()).Create(&e).Error; err != nil {
		return
	}
	id = e.GroupId
	fmt.Println("id:", id)
	return
}

func (e *BusGroup) Update(id int) (update BusGroup, err error) {
	//group id : 1 basegroup can not modified.
	if id == 1 {
		err = errors.New("group name 不支持修改！")
		return
	}
	if err = orm.Eloquent.Table(e.TableName()).First(&update, id).Error; err != nil {
		return
	}
	//参数1:是要修改的数据
	//参数2:是修改的数据
	fmt.Println("new data:", e)
	fmt.Println("old data:", update)
	if err = orm.Eloquent.Table(e.TableName()).Model(&update).Updates(&e).Error; err != nil {
		return
	}
	return
}

//delelte log
func (e *BusGroup) Delete(id int) (success bool, err error) {
	//group id : 1 basegroup can not delete.
	if id == 1 {
		err = errors.New("group name 不支持删除！")
		return
	}
	if err = orm.Eloquent.Table(e.TableName()).Where("group_id = ?", id).Delete(&BusDevice{}).Error; err != nil {
		success = false
		return
	}
	success = true
	return
}

func (e *BusGroup) BatchDelete(id []int, roleId int) (Result bool, err error) {
	//group id : 1 basegroup can not delete.
	var groups []BusGroup
	var apps []BusApplication
	var devices []BusDevice
	for _, v := range id {
		if v == 1 {
			err = errors.New("basegroup 不可删除！")
			return
		}
	}

	if err = orm.Eloquent.Table(e.TableName()).Where("parent_id in (?)", id).Find(&groups).Error; err != nil {
		return
	}
	if len(groups) > 0 {
		err = errors.New("存在子群组, 不可删除!")
		return
	}
	//查询是否包含应用
	if err = orm.Eloquent.Table("bus_application").Where("group_id in (?)", id).Find(&apps).Error; err != nil {
		return
	}
	if len(apps) > 0 {
		err = errors.New("群组存在应用, 不可删除!")
		return
	}
	//查询是否包含设备
	if err = orm.Eloquent.Table("bus_device").Where("group_id in (?)", id).Find(&devices).Error; err != nil {
		return
	}
	if len(devices) > 0 {
		err = errors.New("群组存在设备, 不可删除!")
		return
	}
	//roleId = 1 是 管理权限的用户,可以删除GroupType=1的管理群组. roleId=2的普通用户 无权限删除管理群组.
	if roleId == 2 {
		var gInfos []BusGroup
		if err = orm.Eloquent.Table(e.TableName()).Where("group_id in (?)", id).Find(&gInfos).Error; err != nil {
			return
		}
		for _, gInfo := range gInfos {
			if gInfo.GroupType == 1 {
				err = errors.New("管理群组, 不可删除!")
				return
			}
		}
	}
	if err = orm.Eloquent.Table(e.TableName()).Where("group_id in (?)", id).Delete(&BusGroup{}).Error; err != nil {
		return
	}
	Result = true
	return
}