/*
 * @Author: giaogiao giaogiao
 * @Date: 2023-08-07 09:56:42
 * @LastEditors: giaogiao giaogiao
 * @LastEditTime: 2023-08-07 11:54:17
 * @FilePath: \go_echo\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 (
	"net/http"
	"sync"
	"time"

	"github.com/idoubi/goz"
	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"
)

type TheServerReturns struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
	Data    Data   `json:"data"`
}
type Items struct {
	Code int    `json:"code"`
	Time int    `json:"time"`
	URL  string `json:"url"`
}
type Data struct {
	Items []Items `json:"items"`
}

type ServerAccept struct {
	Urls []Urls `json:"urls"`
}
type Urls struct {
	URL string `json:"url"`
}

func main() {
	e := echo.New()
	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{AllowOrigins: []string{"*"}, AllowMethods: []string{echo.GET, echo.HEAD, echo.PUT, echo.PATCH, echo.POST, echo.DELETE}}))
	e.GET("/", func(c echo.Context) error {
		return c.String(http.StatusOK, "Hello, World!")
	})

	e.POST("/textserver", textserver)
	e.Logger.Fatal(e.Start(":1323"))
}

func textserver(c echo.Context) error {

	// 初始化接收json参数的对象
	u := new(ServerAccept)
	// 通过Bind将json参数绑定到struct对象
	if err := c.Bind(u); err != nil {
		return err
	}
	// 通过结构体对象就可以访问json参数
	json := new(TheServerReturns)
	json.Code = http.StatusOK
	var wg sync.WaitGroup
	wg.Add(len(u.Urls))

	for _, url := range u.Urls {
		item := new(Items)
		go text_url2(json, url.URL, item, wg.Done)
	}

	wg.Wait()
	return c.JSON(http.StatusOK, json)
}

func text_url2(json *TheServerReturns, url string, item *Items, done func()) int {
	defer done()
	// item := new(Items)
	item.URL = url

	start := time.Now().UnixMilli()
	cli := goz.NewClient(goz.Options{
		Timeout: 2,
	})

	resp, err := cli.Get(url)
	if err != nil {
		if resp.IsTimeout() {
			item.Code = -1
			item.Time = -1
			return 0
		}
	}
	elapsed := time.Now().UnixMilli() - start
	item.Code = resp.GetStatusCode()
	item.Time = int(elapsed)
	json.Data.Items = append(json.Data.Items, *item)
	return 0
}