From d79ac840a4b984f28bc8515a4ea218e205dd19f7 Mon Sep 17 00:00:00 2001
From: Roger Roger <me@rogerrogert.de>
Date: Sat, 18 Dec 2021 11:57:35 +0100
Subject: [PATCH] Add help message

---
 src/daemon/args.rs   |  2 ++
 src/daemon/daemon.rs | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/daemon/args.rs b/src/daemon/args.rs
index 665084d..0c83abb 100644
--- a/src/daemon/args.rs
+++ b/src/daemon/args.rs
@@ -21,6 +21,7 @@ impl TryFrom<&str> for MessageArgs {
 }
 
 pub enum Args {
+    Help,
     Stop,
     Next,
     Prev,
@@ -74,6 +75,7 @@ impl TryFrom<&str> for Args {
                     Err("Not recognized")
                 }
             },
+            "help" => Ok(Help),
             _ => Err("Not recognized"),
         }
     }
diff --git a/src/daemon/daemon.rs b/src/daemon/daemon.rs
index 86207c1..1f60c38 100644
--- a/src/daemon/daemon.rs
+++ b/src/daemon/daemon.rs
@@ -16,6 +16,28 @@ mod args;
 
 use state::State;
 
+const HELP: &str = "Usage:
+    wp <option> [argument]
+
+Options:
+    help: show this help
+    stop: stop the server
+    next: show the next image
+    prev: show the previous image
+    rng: change mode to random
+    linear: change mode to linear
+    hold: don't change the current wallpaper
+    update: update image folder
+    save: no horni
+    shuffle: shuffle wallpaper queue
+    interval: get the current interval
+    get: get [argument]
+
+Arguments:
+    wp | wallpaper: get the current wallpaper
+    ac | actions: get the current action
+    dur| duration: get the current interval";
+
 //TODO: error handling
 #[derive(Debug, Clone)]
 pub enum Action {
@@ -110,6 +132,7 @@ fn handle_connection(mut stream: UnixStream, state: Arc<Mutex<State>>) -> bool {
             Stop => stop_server = true,
             Next => state.lock().unwrap().next(),
             Prev => state.lock().unwrap().prev(),
+            Help => response = HELP.to_string(),
             RNG => state.lock().unwrap().update_action(Action::Random),
             Linear => state.lock().unwrap().update_action(Action::Linear),
             Update => state.lock().unwrap().update_dir(),
-- 
2.51.2