From 22d180233750c59fb3cade40b321c43253eb5b06 Mon Sep 17 00:00:00 2001
From: Slatian <baschdel@disroot.org>
Date: Sat, 3 Dec 2022 22:49:04 +0100
Subject: [PATCH] Documented the theming part a bit better

---
 README.md        | 2 ++
 server/server.go | 7 ++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index a19888a..c7ecdd5 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,8 @@ port = 10001
 
 [theme]
 # colors specified in hex (or valid css names) which determine the theme of the lieu instance
+# NOTE: If (and only if) all three values are set lieu uses those to generate the file html/assets/theme.css at startup.
+# You can also write directly to that file istead of adding this section to your configuration file
 foreground = "#ffffff"
 background = "#000000"
 links = "#ffffff"
diff --git a/server/server.go b/server/server.go
index c94e634..ce58175 100644
--- a/server/server.go
+++ b/server/server.go
@@ -240,14 +240,15 @@ func (h RequestHandler) renderView(res http.ResponseWriter, tmpl string, view *T
 func WriteTheme(config types.Config) {
 	theme := config.Theme
 	// no theme is set, use the default
-	if theme.Foreground == "" {
+	if theme.Foreground == "" || theme.Background == "" || theme.Links =="" {
 		return
 	}
-	colors := fmt.Sprintf(`:root {
+	colors := fmt.Sprintf(`/*This file will be automatically regenerated by lieu on startup if the theme colors are set in the configuration file*/
+:root {
   --primary: %s;
   --secondary: %s;
   --link: %s;
-}\n`, theme.Foreground, theme.Background, theme.Links)
+}`, theme.Foreground, theme.Background, theme.Links)
 	err := os.WriteFile("html/assets/theme.css", []byte(colors), 0644)
 	util.Check(err)
 }