/**
* @Author: zou.yingbin
* @Create  : 2021/10/20 15:20
* @Modify  : 2021/10/20 15:20
* @Note    : 生成用于内网升级的.sh脚本
 */

package other

import (
	"github.com/gin-gonic/gin"
	"net/http"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
	"strings"
)

var IsUpdateing = false

// MakeUpdateScript 生成脚本
func MakeUpdateScript(c *gin.Context) {
	if IsUpdateing {
		c.String(http.StatusOK, "正在升级中...")
		return
	}

	if runtime.GOOS == "windows" {
		c.String(http.StatusOK, "windows不支持, 仅支持linux下执行")
		return
	}
	IsUpdateing = true
	defer func() {
		IsUpdateing = false
	}()

	if createsh() {
		c.String(http.StatusOK, "正在执行update.sh, 升级会保留原有的config.xml,且重启服务。稍后请在日志页面查看版本信息, 请勿刷新本页面。")
		_ = exec.Command("sh", "./update.sh").Run()
	} else {
		c.String(http.StatusBadRequest, "创建脚本失败, 可能是权限不足")
	}
}

// 生成update.sh文件
func createsh() bool {
	dir := ""
	if str, err := filepath.Abs(filepath.Dir(os.Args[0])); err == nil {
		dir = strings.Replace(str, "\\", "/", -1)
	} else {
		return false
	}

	sh :=
		"# author : zyb\n" +
			"# note   : 在程序运行目录执行此脚本, 升级go服务到最新构建的版本。升级完成自动重启go服务\n" +
			"# --------------------------------------------------------------------\n" +
			"\n" +
			"mkdir -p upmtpgo\n" +
			"cd upmtpgo\n" +
			"rm -f console\n" +
			"wget -c http://192.168.30.153:8080/view/mtp2.0_release/job/mtp2.0_QueryService_linux/label=192.168.31.56/lastBuild/console\n" +
			"filename=`grep -o -w -m1 mtp2.*zip console`\n" +
			"wget -c http://192.168.30.153/share/build/mtp2.0_release/$filename\n" +
			"rm -rf queryservice\n" +
			"unzip $filename -d queryservice\n" +
			"cp ../config/config.xml ./queryservice/config/config.xml\n" +
			"cp ../config/cfg.json ./queryservice/config/cfg.json\n" +
			"cp -rf ./queryservice/* ../\n" +
			"cd ..\n" +
			"rm -rf upmtpgo\n" +
			"pkill QueryService\n" +
			"nohup `pwd`/QueryService &"

	// 创建文件
	if f, err := os.OpenFile(dir+"/update.sh", os.O_RDWR|os.O_CREATE, 0666); err == nil {
		_, err = f.Write([]byte(sh))
		f.Close()
	} else {
		return false
	}
	return true
}