package model

import (
	"apsClient/constvar"
	"apsClient/pkg/sqlitex"
	"encoding/json"
	"fmt"
	"github.com/jinzhu/gorm"
)

type (

	// DevicePlc 设备的PLC配置
	DevicePlc struct {
		CommonModel
		DeviceID   string             `gorm:"column:device_id;type:varchar(255);not null;unique" json:"deviceID"` //设备编号
		Brand      string             `gorm:"type:varchar(191)" json:"brand"`
		Method     constvar.PlcMethod `gorm:"type:varchar(191)" json:"method"`
		Address    string             `gorm:"type:varchar(191)" json:"address"` //plc ip地址， method = modbusTCP用
		Port       int                `json:"port"`                             //plc 端口号，  method =  modbusTCP用
		BaudRate   int                `json:"baudRate"`                         //串口波特率， method = serial时 用
		SerialName string             `json:"serialName"`                       //串口名称，method = serial时 用

		DataBit int             `gorm:"type:int(11)"  json:"dataBit"` //数据位，method = modbusRTU 用
		StopBit int             `gorm:"type:int(11)"  json:"stopBit"` //停止位，method = modbusRTU 用
		Parity  constvar.Parity `gorm:"type:int(11)"  json:"parity"`  //校验方式，method = modbusRTU 用

		IsOpen bool   `json:"isOpen"`
		Detail string `gorm:"type:varchar(2048)" json:"-"`

		Details []*DevicePlcAddress `gorm:"-" json:"details"`

		MaxTryTimes     int   `gorm:"-" json:"-"` //最大写入重试次数
		CurrentTryTimes int   `gorm:"-" json:"-"` //当前写入重试次数
		CurrentErr      error `gorm:"-" json:"-"` //当前报错
	}

	DevicePlcAddress struct {
		Channel      int32                             `json:"channel"`      // 数据起始地址
		StartAddress int                               `json:"startAddress"` // 数据起始地址
		Length       int                               `json:"length"`       // 数据长度
		Type         constvar.PlcStartAddressValueType `json:"type"`         // 数据类型
		FieldName    constvar.PlcStartAddressType      `json:"fieldName"`    // 对应系统字段
		Endian       constvar.EndianType               `json:"endian"`       // 字节存储顺序，big(ABCD)/little(CDBA)/mix(CDAB)
	}

	DevicePlcSearch struct {
		DevicePlc
		Order    string
		PageNum  int
		PageSize int
		Orm      *gorm.DB
	}
)

func (slf *DevicePlc) TableName() string {
	return "device_plc"
}

func (slf *DevicePlc) AfterFind(tx *gorm.DB) error {
	if slf.Detail != "" {
		details := make([]*DevicePlcAddress, 0)
		err := json.Unmarshal([]byte(slf.Detail), &details)
		if err != nil {
			return err
		}
		slf.Details = details
	}

	return nil
}

func NewDevicePlcSearch() *DevicePlcSearch {
	return &DevicePlcSearch{Orm: sqlitex.GetDB()}
}

func (slf *DevicePlcSearch) SetOrm(tx *gorm.DB) *DevicePlcSearch {
	slf.Orm = tx
	return slf
}

func (slf *DevicePlcSearch) SetPage(page, size int) *DevicePlcSearch {
	slf.PageNum, slf.PageSize = page, size
	return slf
}

func (slf *DevicePlcSearch) SetOrder(order string) *DevicePlcSearch {
	slf.Order = order
	return slf
}

func (slf *DevicePlcSearch) SetId(id uint) *DevicePlcSearch {
	slf.ID = id
	return slf
}

func (slf *DevicePlcSearch) SetDeviceId(deviceId string) *DevicePlcSearch {
	slf.DeviceID = deviceId
	return slf
}

func (slf *DevicePlcSearch) build() *gorm.DB {
	var db = slf.Orm.Table(slf.TableName())

	if slf.ID > 0 {
		db = db.Where("id = ?", slf.ID)
	}

	if slf.DeviceID != "" {
		db = db.Where("device_id = ?", slf.DeviceID)
	}

	if slf.Order != "" {
		db = db.Order(slf.Order)
	}

	return db
}

// Create 单条插入
func (slf *DevicePlcSearch) Create(record *DevicePlc) error {
	var db = slf.build()

	if err := db.Create(record).Error; err != nil {
		return fmt.Errorf("create err: %v, record: %+v", err, record)
	}

	return nil
}

func (slf *DevicePlcSearch) Save(record *DevicePlc) error {
	var db = slf.build()

	if err := db.Omit("CreatedAt").Save(record).Error; err != nil {
		return fmt.Errorf("save err: %v, record: %+v", err, record)
	}

	return nil
}

func (slf *DevicePlcSearch) UpdateByMap(upMap map[string]interface{}) error {
	var (
		db = slf.build()
	)

	if err := db.Updates(upMap).Error; err != nil {
		return fmt.Errorf("update by map err: %v, upMap: %+v", err, upMap)
	}

	return nil
}

func (slf *DevicePlcSearch) UpdateByQuery(query string, args []interface{}, upMap map[string]interface{}) error {
	var (
		db = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if err := db.Updates(upMap).Error; err != nil {
		return fmt.Errorf("update by query err: %v, query: %s, args: %+v, upMap: %+v", err, query, args, upMap)
	}

	return nil
}

func (slf *DevicePlcSearch) Delete() error {
	var db = slf.build()

	if err := db.Unscoped().Delete(&DevicePlc{}).Error; err != nil {
		return err
	}

	return nil
}

func (slf *DevicePlcSearch) First() (*DevicePlc, error) {
	var (
		record = new(DevicePlc)
		db     = slf.build()
	)

	if err := db.First(record).Error; err != nil {
		return record, err
	}

	return record, nil
}

func (slf *DevicePlcSearch) Find() ([]*DevicePlc, int64, error) {
	var (
		records = make([]*DevicePlc, 0)
		total   int64
		db      = slf.build()
	)

	if err := db.Count(&total).Error; err != nil {
		return records, total, fmt.Errorf("find count err: %v", err)
	}
	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, total, fmt.Errorf("find records err: %v", err)
	}

	return records, total, nil
}

func (slf *DevicePlcSearch) FindNotTotal() ([]*DevicePlc, error) {
	var (
		records = make([]*DevicePlc, 0)
		db      = slf.build()
	)

	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find records err: %v", err)
	}

	return records, nil
}

// FindByQuery 指定条件查询.
func (slf *DevicePlcSearch) FindByQuery(query string, args []interface{}) ([]*DevicePlc, int64, error) {
	var (
		records = make([]*DevicePlc, 0)
		total   int64
		db      = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if err := db.Count(&total).Error; err != nil {
		return records, total, fmt.Errorf("find by query count err: %v", err)
	}
	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, total, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
	}

	return records, total, nil
}

// FindByQueryNotTotal 指定条件查询&不查询总条数.
func (slf *DevicePlcSearch) FindByQueryNotTotal(query string, args []interface{}) ([]*DevicePlc, error) {
	var (
		records = make([]*DevicePlc, 0)
		db      = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
	}

	return records, nil
}