From afc1a847f4e93c9fb0ec718286089d409030c95a Mon Sep 17 00:00:00 2001
From: Mark Powers <markppowers0@gmail.com>
Date: Mon, 13 Apr 2020 15:20:01 -0500
Subject: Update documentation and make setScore idempotent

---
 src/highscores.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'src/highscores.js')

diff --git a/src/highscores.js b/src/highscores.js
index e735eee..82db612 100644
--- a/src/highscores.js
+++ b/src/highscores.js
@@ -1,10 +1,19 @@
 function submitScore(game, score, username){
+    // Prompt for the username
     if(username == undefined){
         username = prompt("Enter a name to submit score", "");
     }
+    // If the user filled out the prompt, post the score
     if (!(username  == null || username == "")) {
-        const request = new Request(`/setScore?game=${game}&username=${username}&score=${score}`);
-        fetch(request);
+        // Get a uuid to identify this request by (for idempotency)
+        fetch(new Request(`/uuid`))
+        .then(response => response.text()
+        .then(uuid => {
+            const request = new Request(`/setScore?game=${game}&username=${username}&score=${score}&uuid=${uuid}`);
+            fetch(request);
+        }));
+        
     } 
+    // Return the username for later use by the game
     return username
 }
\ No newline at end of file
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