From 4598d83c6fb25440ebe81f2ebbfb2e2645f2653b Mon Sep 17 00:00:00 2001
From: magicfelix <felix@felix-zauberer.de>
Date: Mon, 28 Jun 2021 17:04:38 +0200
Subject: [PATCH] Autodiscover preferred browser language, enhances #4

---
 .gitignore      |  1 +
 config.js.dist  |  2 ++
 index.html      |  1 +
 scripts/main.js | 14 +++++++++++++-
 4 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 .gitignore
 create mode 100644 config.js.dist

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1bf4259
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+config.js
diff --git a/config.js.dist b/config.js.dist
new file mode 100644
index 0000000..5afc4c5
--- /dev/null
+++ b/config.js.dist
@@ -0,0 +1,2 @@
+var supportedLanguages = ['de', 'en', 'fr', 'ro']
+var defaultLanguage = 'en'
diff --git a/index.html b/index.html
index bcfbe0a..cc1ddec 100644
--- a/index.html
+++ b/index.html
@@ -37,6 +37,7 @@ <h3 class="text-center" id="heading"></h3>
     <p class="hint" id="xmppis"></p>
   </div>
   <script src="scripts/i18n-text.min.js"></script>
+  <script src="config.js"></script>
   <script src="scripts/main.js"></script>
   <script src="scripts/qrcode.min.js"></script>
 </body>
diff --git a/scripts/main.js b/scripts/main.js
index 535a137..4f7c15f 100644
--- a/scripts/main.js
+++ b/scripts/main.js
@@ -94,7 +94,19 @@
 		i18n.once(I18nText.event.LOCALE_CHANGE, function (data) {
 			rehash();
 		});
-		i18n.setLocale('en');
+
+		var preferredLocale, setLocale = false;
+		for (preferredLocale of navigator.languages) {
+			if (supportedLanguages.includes(preferredLocale)) {
+				i18n.setLocale(preferredLocale);
+				setLocale = true;
+				break;
+			}
+		}
+		if (!setLocale) {
+			i18n.setLocale(defaultLocale);
+		}
+
 
 		// functionality
 		if (navigator.userAgent.indexOf("Android") >= 0) {