Untitled

package main

import (
	"fmt"
	"math/rand"
	"net/http"
	"os"
	"time"
)

func randomSleep() {
    const MAX_SLEEP_SECONDS = 5

    n := rand.Intn(MAX_SLEEP_SECONDS)
    fmt.Printf("Merchant hook will respond in %ds\n", n)
    time.Sleep(time.Duration(n) * time.Second)
}

func randomHttpResponse() int {
    httpResponse := [2]int{http.StatusInternalServerError, http.StatusOK}
    return httpResponse[rand.Intn(2)]
}

func handleHook(w http.ResponseWriter, req *http.Request) {
    randomSleep()
    httpResponse := randomHttpResponse()
    w.WriteHeader(httpResponse)

    var responseMessage string

    if(httpResponse == http.StatusOK) {
        responseMessage = "✅ Hook succeeded"
    } else {
        responseMessage = "❌ Hook failed"
    }

    fmt.Fprintf(w, responseMessage)
    fmt.Println(responseMessage)
}

func getPort() string {
    port := os.Getenv("PORT")

    if(port == "") {
        return "8080"
    }

    return port
}

func main() {
    http.HandleFunc("/hooks", handleHook)

    port := getPort()

    fmt.Printf("🌎 Fake-merchant is listening on port %s", port)
    http.ListenAndServe(":" + port, nil)
}