package controllers

import (
	"car-service/models"
	"fmt"
	"github.com/astaxie/beego"
	"strconv"
	"strings"
)

type AppController struct {
	beego.Controller
}

// @Title 比对版本号，看是否有升级
// @Description 比对版本号，看是否有升级
// @Param curVersion query string  true "当前版本号"
// @Success 200 {object} models.SysVersion
// @Failure 403 {string} json ""
// @router /version [get]
func (c *AppController)  Version() {
	curV := c.GetString("curVersion")
	latestV := beego.AppConfig.String("latestVersion")
	fmt.Println("curV:", curV, "latestV:", latestV)
	result := models.SysVersion{
		LatestVersion: latestV,
	}
	if shouldVersionBeUpgrade(curV, latestV) {
		result.IsUpgrade = true
		result.Url = beego.AppConfig.String("latestUrl")
	} else {
		result.IsUpgrade = false
	}
	c.Data["json"] = result
	c.ServeJSON()
}

func shouldVersionBeUpgrade(curVersion, latestVersion string) bool {
	if curVersion == "" {
		return true
	}
	if latestVersion == "" {
		return false
	}
	curIVArr := strings.Split(curVersion, ".")
	dstIVArr := strings.Split(latestVersion, ".")
	if len(curIVArr) !=3 || len(dstIVArr) != 3{
		fmt.Println("version arr !=3")
		return false
	}
	cH,cEH := strconv.Atoi(curIVArr[0])
	cM,cEM := strconv.Atoi(curIVArr[1])
	cL,cEL := strconv.Atoi(curIVArr[2])

	dH,dEH := strconv.Atoi(dstIVArr[0])
	dM,dEM := strconv.Atoi(dstIVArr[1])
	dL,dEL := strconv.Atoi(dstIVArr[2])
	if cEH !=nil || cEM != nil || cEL != nil || dEH != nil ||dEM !=nil || dEL !=nil {
		fmt.Println("Atoi err")
		return false
	}
	if cH > dH {
		return false
	} else if cH == dH {
		if cM > dM {
			return false
		} else if cM == dM {
			if cL > dL {
				return false
			} else if cL == dL {
				return false
			} else {
				return true
			}
		} else {
			return true
		}
	} else {
		return true
	}
}