/*
 * @Author: giaogiao giaogiao
 * @Date: 2023-07-28 08:53:13
 * @LastEditors: giaogiao giaogiao
 * @LastEditTime: 2023-07-31 17:32:36
 * @FilePath: \go\main.go
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
package main

import (
	"encoding/json"
	"fmt"
	"hello/setup"
	"io/ioutil"
	"net/http"
	"os"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/parnurzeal/gorequest"
)

type Settings struct {
	APIURL           string `json:"api_url"`
	DetectionTime    int    `json:"detection_time"`
	DetectionNodeURL string `json:"detection_node_url"`
}
type Node struct {
	Remarks string `json:"remarks"`
	Country string `json:"country"`
	Port    int    `json:"port"`
}
type TooLTT struct {
	Settings Settings `json:"settings"`
	Node     []Node   `json:"node"`
}

var tooltt TooLTT

func read_configuration_file() {
	jsonFile, err := os.Open("user.json")
	if err != nil {
		fmt.Println(err)
		return
	}
	defer jsonFile.Close()
	byteValue, _ := ioutil.ReadAll(jsonFile)

	err = json.Unmarshal(byteValue, &tooltt)
	if err != nil {
		fmt.Println(err)
		return
	}
	//fmt.Println(len(tooltt.Node))求结构体数组大小
}

func read_a_file(node *[]Node) {
	var wg sync.WaitGroup
	wg.Add(len(*node))
	for _, item := range *node {
		// fmt.Println(item.Remarks, item.Country, item.Port)
		go text_url(item.Remarks, item.Country, item.Port, wg.Done)
	}
	wg.Wait()
}
func text_url(remarks string, country string, port int, done func()) {
	defer done()
	var port_string string = strconv.Itoa(port)
	setup.CwLog().Infof("start_testing country:%s,port:%d", country, port)
	request := gorequest.New().Proxy("socks5://127.0.0.1:" + port_string)
	sum := 0
	for i := 0; i <= 3; i++ {
		_, _, errs := request.Get(tooltt.Settings.DetectionNodeURL).End()
		if errs != nil {
			fmt.Println("发现 端口:" + port_string + "无法连接 第" + strconv.Itoa(sum) + "次数")
			setup.CwLog().Errorf("start_testing country:%s,port:%d,error:%s", country, port, errs)
			setup.CwLog().Infof("start_switching_ip country:%s,port:%d", country, port)
			sum++
		}

	}
	resp, body, errs := request.Get(tooltt.Settings.DetectionNodeURL).End()
	if errs != nil {
		fmt.Println("发现 端口:" + port_string + "无法连接3次 开始切换IP")
		setup.CwLog().Errorf("start_testing country:%s,port:%d,error:%s", country, port, errs)
		setup.CwLog().Infof("start_switching_ip country:%s,port:%d", country, port)

		var url string = strings.Replace(tooltt.Settings.APIURL, "#country", country, -1)
		resp, err := http.Get(strings.Replace(url, "#port", port_string, -1))
		if errs != nil {
			setup.CwLog().Errorf("switch_ip_to_return error resp:%s,err:%s", resp, err)
			fmt.Println("切换IP 失败 端口:" + port_string)
			return
		}
		fmt.Println("切换IP成功 端口:" + port_string)
		setup.CwLog().Infof("switch_ip_to_return resp:%s,err:%s", resp, err)
		return
	}
	setup.CwLog().Infof("requestToReturnTheResult resp:%s,body:%s", resp, body)
	setup.CwLog().Infof("the_current_port_is_fine port:%d", port)
}

func init() {
	setup.InitLogger() //初始化log
}
func main() {

	fmt.Println("程序已经启动")
	read_configuration_file()
	setup.CwLog().Warn("start") //测试log
	for {
		timeStr := time.Now().Format("2006-01-02 15:04:05") //当前时间的字符串，2006-01-02 15:04:05据说是golang的诞生时间，固定写法
		fmt.Println("开始检测 " + timeStr)                      //打印结果：2017-04-11 13:24:04
		time.Sleep(time.Duration(tooltt.Settings.DetectionTime) * time.Second)
		read_a_file(&tooltt.Node)
	}

}