package main

import (
	"dsWatch/CheckUtil"
	"encoding/json"
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"os"
)

type configuration struct {
	Title       string `json:"title"`
	Description string `json:"description"`
	Port        int    `json:"port"`
	Cmd         string `json:"cmd",omitempty`
	Success     bool   `json:"success"`
	Message     string `json:"message"`
	Host        string `json:"host",omitempty`
}

func main() {
	r := gin.Default()
	//访问地址 : http://localhost:10000
	r.GET("/", func(c *gin.Context) {
		//以只读方式打开config.json
		file, _ := os.Open("Config/Watch.json")
		defer file.Close()
		decoder := json.NewDecoder(file)
		var conf []configuration
		for decoder.More() {
			err := decoder.Decode(&conf)
			if err != nil {
				fmt.Println("Error:", err)
			}
			for i := 0; i < len(conf); i++ {
				//1、检查端口是否存在
				if conf[i].Port > 0 {
					isUse := CheckUtil.PortInUse(conf[i].Host,conf[i].Port)
					if isUse {
						conf[i].Success = true //err!=nil表示端口启动正常
						conf[i].Message = "GO!"
					} else {
						conf[i].Success = false //err==nil表示端口没有启动
						conf[i].Message = "端口没有正确启动,请检查！"
					}
				}
				//如果是通过命令进行检查存在性的
				if len(conf[i].Cmd) > 0 {
					result, err := CheckUtil.RunShell(conf[i].Cmd)
					if err != nil {
						conf[i].Success = false
						conf[i].Message = "执行命令时失败，请检查命令的可以用性！"
					} else {
						if len(result) > 0 {
							conf[i].Success = true
							conf[i].Message = "GO!"
						} else {
							conf[i].Success = false
							conf[i].Message = "服务没有正确启动,请检查！"
						}
					}
				}
			}
			//输出json数据
			c.JSON(http.StatusOK, gin.H{
				"status": 200,
				"data":   conf,
			})
		}
	})
	r.Run(":10000")
}