From 0c0f4f31f291fd266f86384da4af1a3755c6e588 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
Date: Thu, 16 Jun 2022 13:04:37 +0530
Subject: asking to delte client id on logout now. useful if user wants to
 login agian

---
 auth/auth.go   |  9 +++++++--
 auth/input.go  | 40 ++++++++++++++++++++++++++++++++++++++++
 auth/server.go | 28 ++++++++++------------------
 3 files changed, 57 insertions(+), 20 deletions(-)

diff --git a/auth/auth.go b/auth/auth.go
index a8d28c7..95ccd48 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -70,12 +70,17 @@ func openInBrowser(url string) {
   }
 
   if err != nil {
-    fmt.Println("There was an error while launching your browser.", err)
+    fmt.Println("There was an error while launching your browser.")
     fmt.Println("Please manually copy and paste the above URL into your web browser.")
+    fmt.Println(err)
   }
 }
 
 func Logout() {
-  deleteClientId()
   deleteToken()
+  fmt.Println("Deleted user credentials.")
+  if confirmInput("Delete your Client ID? [y/N] ") {
+    fmt.Println("Deleting Client ID...")
+    deleteClientId()
+  }
 }
diff --git a/auth/input.go b/auth/input.go
index 9f75fab..aa56f52 100644
--- a/auth/input.go
+++ b/auth/input.go
@@ -22,6 +22,7 @@ import (
   "os"
   "fmt"
   "errors"
+  "strings"
   p "github.com/manifoldco/promptui"
 )
 
@@ -55,3 +56,42 @@ func secretInput(label, errMessage string) string {
 
   return res
 }
+
+// ask yes/no with no as default
+func confirmInput(label string) bool {
+  validResponses := []string{"y", "yes", "n", "no", ""}
+
+  validate := func(input string) error {
+    lowerInput := strings.ToLower(input)
+    for _, i := range validResponses {
+      if lowerInput == i {
+        return nil
+      }
+    }
+    return errors.New("answer can only be y(es) or n(o)")
+  }
+
+  template := &p.PromptTemplates {
+    Valid: "{{ . | cyan }}",
+    Invalid: "{{ . | cyan }}",
+    Success: "{{ . | blue }}",
+  }
+
+  prompt := p.Prompt {
+    Label: label,
+    Templates: template,
+    Validate: validate,
+  }
+
+  res, err := prompt.Run()
+  if err != nil {
+    fmt.Println("Failed to run confirm prompt.", err.Error(), err)
+    os.Exit(1)
+  }
+
+  if res == "y" || res == "yes" {
+    return true
+  }
+
+  return false
+}
diff --git a/auth/server.go b/auth/server.go
index 5a18a36..02b9382 100644
--- a/auth/server.go
+++ b/auth/server.go
@@ -29,25 +29,17 @@ import (
 
 func listen(clientId, verifier string) {
   http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-    query := r.URL.Query()
+	  code, codeExists := r.URL.Query()["code"]
 
-	code, codePresent := query["code"]
-	if !codePresent {
-	  // TODO: check if error message present
-	  fmt.Println("Error: response from MyAnimeList doesn't contain required code.")
-	  os.Exit(1)
-	}
-
-	accessToken, refreshToken, expiresIn := requestToken(clientId, verifier, code[0])
-
-	if accessToken != "" {
-	  w.WriteHeader(200)
-	  w.Write([]byte("<h1>You have successfully logged into macli.</h1>"))
-	}
-
-	setToken(accessToken)
-	setRefreshToken(refreshToken)
-	setExpiresIn(expiresIn)
+		if codeExists {
+	    accessToken, refreshToken, expiresIn := requestToken(clientId, verifier, code[0])
+		  setToken(accessToken)
+		  setRefreshToken(refreshToken)
+      setExpiresIn(expiresIn)
+			fmt.Println("\x1b[32mYou have successfully logged into macli.\x1b[0m")
+			fmt.Println("\x1b[32mYou can close the web browser tab now.\x1b[0m")
+			os.Exit(0)
+		}
   })
 
   err := http.ListenAndServe(":8000", nil)
-- 
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