package busmodels

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

type BusAppDeviceBind struct {
	BindId   int    `json:"bindId" gorm:"primary_key;AUTO_INCREMENT"`
	AppId    int    `json:"appId"`
	DeviceId int    `json:"deviceId"`
	UpdateBy string `json:"updateBy" gorm:"size:128;"`
	CreateBy string `json:"createBy" gorm:"size:128;"`
	BaseModel
}

type AppDeviceBindedInfo struct {
	BusAppDeviceBind
	DeviceSn  string `json:"deviceSn" gorm:"size:128;"`
	GroupName string `json:"groupName" gorm:"size:128;"`
}

type QueryBindedDeviceParams struct {
	DeviceSn  string `json:"deviceSn" gorm:"size:128;"`
	AppId     int    `json:"appId"`
	PageSize  int    `json:"pageSize"`
	PageIndex int    `json:"pageIndex"`
	Gids      []int  `json:"gids"`
}

type AppDeviceData struct {
	AppId  int   `json:"appId"`
	DevIds []int `json:"deviceId"`
}

func (BusAppDeviceBind) TableName() string {
	return "bus_app_device_bind"
}

func (e *BusAppDeviceBind) GetBindedPage(pageSize int, pageIndex int, deviceSn string, gids []int) ([]AppDeviceBindedInfo, int, error) {
	var doc []AppDeviceBindedInfo
	var devices []BusDevice
	tableBind := orm.Eloquent.Table(e.TableName())
	tableDevice := orm.Eloquent.Table("bus_device")
	tableUser := orm.Eloquent.Table("sys_user")
	//根据设备序列号得到所有的设备id
	if deviceSn != "" {
		tableDevice = tableDevice.Where("device_sn = ?", deviceSn)
	}
	//根据群组过滤目标设备
	if len(gids) > 0 {
		tableDevice = tableDevice.Where("group_id in (?)", gids)
	}
	if err := tableDevice.Find(&devices).Error; err != nil {
		return nil, 0, err
	}
	devids := make([]int, len(devices))
	for _, devid := range devices {
		devids = append(devids, devid.DeviceId)
	}
	//根据设备序列号查出来的id 过滤当前应用绑定的设备
	if e.AppId != 0 {
		tableBind = tableBind.Where("app_id = ?", e.AppId)
	}
	var count int64
	if err := tableBind.Where("device_id in (?)", devids).Order("bind_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
		var device BusDevice
		tableGroup := orm.Eloquent.Table("bus_group")
		tableDevice = orm.Eloquent.Table("bus_device")
		user := models.SysUser{}
		id, _ := strconv.Atoi(v.CreateBy)
		if err := tableUser.Where("user_id = ?", id).Find(&user).Error; err == nil {
			doc[k].CreateBy = user.Username
		}
		if err := tableDevice.Where("device_id  = ?", v.DeviceId).Find(&device).Error; err == nil {
			doc[k].DeviceSn = device.DeviceSn
			if err := tableGroup.Where("group_id  = ?", device.GroupId).Find(&group).Error; err == nil {
				doc[k].GroupName = group.GroupName
			}
		}
	}
	return doc, int(count), nil
}

func (e *BusAppDeviceBind) GetUnBindedPage(pageSize int, pageIndex int, deviceSn string, gids []int) ([]DeviceInfo, int, error) {
	var bindedDevices []BusAppDeviceBind
	var doc []DeviceInfo
	tableBind := orm.Eloquent.Table(e.TableName())
	tableDevice := orm.Eloquent.Table("bus_device")
	tableUser := orm.Eloquent.Table("sys_user")
	if deviceSn != "" {
		tableDevice = tableDevice.Where("device_sn like ?", "%"+deviceSn+"%")
	}
	if e.AppId != 0 {
		tableBind = tableBind.Where("app_id = ?", e.AppId)
	}
	if err := tableBind.Find(&bindedDevices).Error; err != nil {
		return nil, 0, err
	}
	//只查找在当前用户拥有的群组下的设备.
	if len(gids) > 0 {
		tableDevice = tableDevice.Where("group_id in (?)", gids)
	}
	var count int64
	if len(bindedDevices) > 0 {
		devids := make([]int, len(bindedDevices))
		for _, devid := range bindedDevices {
			devids = append(devids, devid.DeviceId)
		}
		if err := tableDevice.Where("device_id not in (?)", devids).Order("device_id desc").Offset((pageIndex - 1) * pageSize).Limit(pageSize).Find(&doc).Order("created_at ASC").Offset(-1).Limit(-1).Count(&count).Error; err != nil {
			return nil, 0, err
		}
	} else {
		if err := tableDevice.Order("device_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
		tableGroup := orm.Eloquent.Table("bus_group")
		user := models.SysUser{}
		id, _ := strconv.Atoi(v.CreateBy)
		if err := tableUser.Where("user_id = ?", id).Find(&user).Error; err == nil {
			doc[k].CreateBy = user.Username
		}
		if err := tableGroup.Where("group_id  = ?", v.GroupId).Find(&group).Error; err == nil {
			doc[k].GroupName = group.GroupName
		}
	}
	return doc, int(count), nil
}

func (e *BusAppDeviceBind) Insert(bindData AppDeviceData) (id []int, err error) {
	//添加数据
	var count int64
	id = make([]int, len(bindData.DevIds))
	for _, devid := range bindData.DevIds {
		e.BindId = 0
		e.DeviceId = devid
		e.AppId = bindData.AppId
		orm.Eloquent.Table(e.TableName()).Where("app_id = ?", e.AppId).Where("device_id = ?", e.DeviceId).Count(&count)
		if count > 0 {
			err = errors.New("device 已存在！")
			id = append(id, devid)
		} else {
			if err = orm.Eloquent.Table(e.TableName()).Create(&e).Error; err != nil {
				id = append(id, devid)
			}
		}
	}
	return
}

func (e *BusAppDeviceBind) Delete(id int) (success bool, err error) {
	if err = orm.Eloquent.Table(e.TableName()).Where("bind_id = ?", id).Delete(&BusAppDeviceBind{}).Error; err != nil {
		success = false
		return
	}
	success = true
	return
}

func (e *BusAppDeviceBind) BatchDelete(id []int) (Result bool, err error) {
	if err = orm.Eloquent.Table(e.TableName()).Where("bind_id in (?)", id).Delete(&BusAppDeviceBind{}).Error; err != nil {
		return
	}
	Result = true
	return
}