1 files changed, 27 insertions, 2 deletions
diff --git a/auth/auth.go b/auth/auth.go
index e75d228..a8d28c7 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -21,6 +21,9 @@ package auth
 import (
   "os"
   "os/user"
+  "os/exec"
+  "runtime"
+  "errors"
   "fmt"
 )
 
@@ -42,14 +45,36 @@ func Login() {
   clientId := askClientId()
   challenge := codeChallenge()
   link := generateLink(clientId, challenge)
-  fmt.Println("Please open this link in the browser:")
-  fmt.Println(link)
+
+  openInBrowser(link)
+  listen(clientId, challenge)
 }
 
 func generateLink(clientId, challenge string) string {
   return "https://myanimelist.net/v1/oauth2/authorize?response_type=code&client_id=" + clientId + "&code_challenge=" + challenge
 }
 
+func openInBrowser(url string) {
+  fmt.Println("Attempting to launch \x1b[36m" + url + "\x1b[0m in your default web browser. If it doesn't launch please manually copy-paste the link.")
+
+  var err error
+  switch runtime.GOOS {
+  case "linux":
+    err = exec.Command("xdg-open", url).Start()
+  case "windows":
+    err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+  case "darwin":
+    err = exec.Command("open", url).Start()
+  default:
+    err = errors.New("<failed to detect platform>")
+  }
+
+  if err != nil {
+    fmt.Println("There was an error while launching your browser.", err)
+    fmt.Println("Please manually copy and paste the above URL into your web browser.")
+  }
+}
+
 func Logout() {
   deleteClientId()
   deleteToken()