package main

import (
	"bytes"
	"fmt"
	"io"
	"log"
	"net/http"
	"os/exec"
)

func main() {
	fmt.Println("Start server")
	http.HandleFunc("/pdf", func(w http.ResponseWriter, request *http.Request) {
		genPDF()
		fmt.Println("got / request")
		if _, err := io.WriteString(w, "Hello"); err != nil {
			fmt.Println(err)
		}
	})

	err := http.ListenAndServe(":8080", nil)
	fmt.Println(err)
}

func genPDF() {
	var outb, errb bytes.Buffer

	cmd := exec.Command("wkhtmltopdf -v")
	cmd.Stdout = &outb
	cmd.Stderr = &errb

	if err := cmd.Run(); err != nil {
		log.Fatal("cmd error", err)
	}
	fmt.Println(outb.String(), errb.String())
}