package models

import "time"

type Positions struct {
	Id         uint   `gorm:"column:id;primary_key;auto_increment;" json:"id"`
	DeviceId   string `gorm:"column:device_id;index" json:"device_id"`
	Pos        string `gorm:"column:pos" json:"pos"`
	RunDir     int    `gorm:"column:run_dir" json:"run_dir"`
	CreateTime int64  `gorm:"column:create_time;index"`
	TimeString string `gorm:"column:time_string;"`
}

func (d *Positions) TableName() string {
	return "positions"
}

func (d *Positions) Save() error {
	return db.Table(d.TableName()).Save(d).Error
}

func (d *Positions) FindDevicePosition(devId string, timestamp int64) error {
	return db.Table(d.TableName()).Where("device_id = ? AND create_time <= ?", devId, timestamp).Order("create_time desc").First(&d).Error
}

func (d *Positions) FindMovePosition(timestamp int64, pos string) error {
	return db.Table(d.TableName()).Where("create_time >= ? AND pos != ?", timestamp, pos).First(&d).Error
}

func (d *Positions) FindPositionByTime(timestamp int64) error {
	return db.Table(d.TableName()).Where("create_time <= ?", timestamp).Order("create_time desc").First(&d).Error
}

func (d *Positions) Clean() error {
	timestamp := time.Now().Unix() - 3600
	return db.Table(d.TableName()).Where("create_time <= ?", timestamp).Delete(&d).Error
}