package main

import (
	"math/rand"
	"net/http"
	"net/url"
	"time"

	vegeta "github.com/tsenart/vegeta/lib"
)

func main() {
	mock()
	// attack()
}

func mock() {
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		waiting := rand.Intn(450) + 50
		time.Sleep(time.Duration(waiting) * time.Millisecond)
		w.Write([]byte("Hello World"))
	})

	err := http.ListenAndServe(":8080", nil)
	if err != nil {
		panic(err)
	}
}

func attack() {
	targeter := vegeta.NewStaticTargeter(vegeta.Target{
		Method: "GET",
		URL:    "http://localhost:8080",
	})

	rate := vegeta.Rate{Freq: 500, Per: time.Second}

	duration := 10 * time.Second

	attacker := vegeta.NewAttacker()

	vegeta.Proxy(func(request *http.Request) (*url.URL, error) {
		return url.Parse("http://test-api.imfree.site:20001")
	})(attacker)

	result := attacker.Attack(targeter, rate, duration, "test")

	maxNum := 0
	for res := range result {
		println(res.Latency)
	}
	println(maxNum)
}