From b297785dd5117dd0923f95ea8758b16b4f0ccc5f Mon Sep 17 00:00:00 2001
From: Compositr <compositr@compositr.dev>
Date: Sat, 2 Nov 2024 17:33:44 +1100
Subject: [PATCH] feat: /info endpoint

---
 .config/cspell/dictionary.txt |  3 ++-
 Cargo.lock                    |  7 +++++++
 Cargo.toml                    |  1 +
 src/main.rs                   | 38 +++++++++++++++++++++++++++++++++++
 4 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/.config/cspell/dictionary.txt b/.config/cspell/dictionary.txt
index 5c871b5..e830248 100644
--- a/.config/cspell/dictionary.txt
+++ b/.config/cspell/dictionary.txt
@@ -1,4 +1,5 @@
 luciders
 skia
 usvg
-resvg
\ No newline at end of file
+resvg
+indoc
diff --git a/Cargo.lock b/Cargo.lock
index ccd3047..85a1d9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -185,6 +185,12 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edcd27d72f2f071c64249075f42e205ff93c9a4c5f6c6da53e79ed9f9832c285"
 
+[[package]]
+name = "indoc"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
+
 [[package]]
 name = "kurbo"
 version = "0.11.1"
@@ -218,6 +224,7 @@ name = "luciders"
 version = "0.1.0"
 dependencies = [
  "ctrlc",
+ "indoc",
  "regex",
  "resvg",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index f438601..a2319a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,5 +5,6 @@ edition = "2021"
 
 [dependencies]
 ctrlc = "3.4.5"
+indoc = "2.0.5"
 regex = "1.11.1"
 resvg = "0.44.0"
diff --git a/src/main.rs b/src/main.rs
index 9bcd74b..6eff9c9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,6 +8,8 @@ use resvg::{
     usvg,
 };
 
+use indoc::indoc;
+
 mod handlers;
 mod http;
 mod icons;
@@ -44,6 +46,35 @@ fn main() {
         Response::new(req, 200, Body::Static("OK - luciders is running"))
     });
 
+    const INFO: &str = indoc!(
+        "
+        luciders - Lucide SVG icons server <https://lucide.dev/>
+
+        GET /info - Get server information
+        GET /icons/[icon].svg - Get an icon in SVG format (equivalent to fetching them directly from Lucide)
+        GET /icons/[icon].png - Get an icon rendered in PNG format
+            Query parameters:
+                scale - integer - Scale the icon (default: 1, min: 1, max: 100)
+                padding - integer - Add padding (px) around the icon (default: 0, min: 0, max: 100)
+                background - hex - Set the background color in hex w/o the hashtag (e.g. FFFFFF) (default: transparent)
+                discord_compatibility - boolean - Set padding to 8px for Discord compatibility. Typically for use in embed author icons as these have a circle clip applied by Discord. Overrides padding if set. (default: false)
+                cache_key - string - Technically this can have any name. The server does not interpret this at all. Useful for cache busting. (default: none)
+            Example:
+                /icons/apple.png?scale=2&background=FF0000&discord_compatibility
+
+
+        *** mantained with ❤️ by Compositr (Jim) ***
+        "
+    );
+
+    handlers.add_handler("/info", |req| {
+        if req.method != "GET" {
+            return Response::new(req, 405, Body::Static("Method Not Allowed"));
+        }
+
+        Response::new(req, 200, Body::Static(INFO))
+    });
+
     handlers.add_handler("/icons/[icon].svg", {
         let icons = Rc::clone(&icons_rc);
         move |req| {
@@ -142,6 +173,13 @@ fn main() {
                 None => {}
             }
 
+            match req.url.query.get("discord_compatibility") {
+                Some(_) => {
+                    padding = 8;
+                }
+                None => {}
+            }
+
             let mut background = Color::TRANSPARENT;
             match req.url.query.get("background") {
                 Some(background_str) => {