package main

import (
	"fmt"
	"github.com/canerdogan/go-autoupdate"
	"net/http"
	"os"
	"strings"
)

func isUrl(url string) bool {
	return strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://")
}

func isImage(filePath string) bool {
	file, err := os.Open(filePath)
	if err != nil {
		fmt.Println("There was an error.")
		fmt.Println("Technical details: " + err.Error())
		return false
	}
	buff := make([]byte, 512)
	_, err = file.Read(buff)
	return strings.Contains(http.DetectContentType(buff), "image")
}

func doUpdate(url string) {
	fmt.Println("Update binary from "+url, "...")
	err, _ := update.FromUrl(url)
	if err != nil {
		fmt.Print("\n")
		fmt.Println("Update failed!")
		os.Exit(1)
	}
	fmt.Println("Update completed!")
	fmt.Print("\n")
}