added more registration and wait on user to press button

huego.go

@@ -1,12 +1,15 @@
 package main
 
 import (
+	"bufio"
 	"bytes"
 	"fmt"
 	"io"
 	"log"
 	"net"
 	"net/http"
+	"os"
+	"strings"
 	"time"
 
 	"github.com/grandcat/zeroconf"
@@ -75,24 +78,50 @@ func registerApplication(bridge Bridge) RegisteredApplication {
 	fmt.Scan(&applicationName)
 	fmt.Printf("Enter name of your device: ")
 	fmt.Scan(&deviceName)
-	resp, err := http.Post("http://"+bridge.IP.String()+"/api", "application/json", bytes.NewBuffer([]byte(`{"devicetype:`+applicationName+` #`+deviceName+`"}`)))
+	resp, err := http.Post(
+		"http://"+bridge.IP.String()+"/api",
+		"application/json",
+		bytes.NewBuffer([]byte(`{"devicetype":"`+applicationName+`#`+deviceName+`"}`)))
 	if err != nil {
 		log.Fatal(err)
 	}
-	defer resp.Body.Close()
 	body, err := io.ReadAll(resp.Body)
+	defer resp.Body.Close()
 	if err != nil {
 		log.Fatal(err)
 	}
+	// if body has link button not pressed, tell user to press it then send the request again to register the application
+	if strings.Contains(string(body), "link button not pressed") {
+		fmt.Println("Link button not pressed. Press link button on bridge and press anter to continue.")
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		resp.Body.Close()
+		http.Post(
+			"http://"+bridge.IP.String()+"/api",
+			"application/json",
+			bytes.NewBuffer([]byte(`{"devicetype":"`+applicationName+`#`+deviceName+`"}`)))
+		body, err = io.ReadAll(resp.Body)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
 	registeredApplication := RegisteredApplication{
 		bridge:          bridge,
 		applicationName: applicationName,
 		deviceName:      deviceName,
 		token:           string(body)}
-	fmt.Println(registeredApplication)
+	resp.Body.Close()
 	return registeredApplication
 }
 
 func main() {
-
+	bridges, err := discoverHueBridge()
+	if err != nil {
+		log.Fatal(err)
+	}
+	registeredApplications := make([]RegisteredApplication, 0)
+	for _, bridge := range bridges {
+		newApplication := registerApplication(bridge)
+		registeredApplications = append(registeredApplications, newApplication)
+	}
+	fmt.Println(registeredApplications)
 }