package controllers

import (
	"car-service/extend/code"
	"car-service/models"
	"car-service/service"
	"fmt"
	"github.com/astaxie/beego"
	"net/http"
	"sort"
	"sync"
	"time"
)

type CarController struct {
	beego.Controller
}

//实时计算剩余车位数量，达到条件就推送
func ComputeSpaceLeftRealTime() {
	ticker := time.NewTicker(3 * time.Second)
	prePushLeft := 0
	for {
		select {
			case <-ticker.C:
				m := time.Now().Minute()
				i := m % 10
				left := 80
				if i == 0 { //整数分钟
					left = m / 10
				}
				if left <=10 && left != prePushLeft {
					go func() {
						message := fmt.Sprintf("当前剩余车位：%d个", left)
						b, e := service.Push("育英智慧停车", message)
						if b {
							prePushLeft = left
						}
						fmt.Println("b:", b,"e:",e, "message:", message)
					}()
				}
				updateSpaceLeft(left)
		default:
			time.Sleep(500 * time.Millisecond)
		}
	}
}

var cacheSpaceLeft int
var cLock sync.RWMutex
func updateSpaceLeft(num int) {
	cLock.Lock()
	defer cLock.Unlock()
	cacheSpaceLeft = num
}
func getSpaceLeft() int {
	cLock.Lock()
	defer cLock.Unlock()
	return cacheSpaceLeft
}

// @Title 统计剩余车位
// @Description 统计剩余车位
// @Success 200 {object} models.CarStatistic
// @Failure 403 {string} json ""
// @router /statistic [get]
func (c *CarController) Statistic() {
	//sv := service.NewCarService()
	//sta := sv.Statistic()
	left := getSpaceLeft()
	sta := models.CarStatistic{
		Left: left,
	}
	resp := code.Code{
		Success: true,
		Status: http.StatusOK,
		Data: sta,
	}
	c.Data["json"] = resp
	c.ServeJSON()
}

// @Title 根据车牌号查找车位信息
// @Description 根据车牌号查找车位信息
// @Success 200 {object} models.CarPos
// @Failure 403 {string} json ""
// @router /carPos [get]
func (c *CarController) findCar() {

}

// @Title 车位占用情况
// @Description 车位占用情况
// @Success 200 {object} models.PosResult
// @Failure 403 {string} json ""
// @router /spaceNo [get]
func (c *CarController) SpaceNo() {
	sv := service.NewCarService()
	spaceNos := sv.FindSpaceNo()
	sort.Sort(spaceNos)
	resp := code.Code{
		Success: true,
		Status: http.StatusOK,
		Data: spaceNos,
	}
	c.Data["json"] = resp
	c.ServeJSON()
}


func (c *CarController) BindCarSpace() {

	c.ServeJSON()
}