feat: allow notifications to be configurable

src/main.rs

@@ -50,6 +50,7 @@ struct Termato {
   duration_in_secs: u32,
   time_remaining_in_sec: u32,
   show_help: bool,
+  enable_notifications: bool,
 }
 
 impl Termato {
@@ -62,9 +63,15 @@ impl Termato {
       duration_in_secs: work_mins * SECONDS_PER_MIN,
       time_remaining_in_sec: work_mins * SECONDS_PER_MIN,
       show_help: false,
+      enable_notifications: false,
     }
   }
 
+  fn with_notifications(mut self, enable: bool) -> Self {
+    self.enable_notifications = enable;
+    self
+  }
+
   fn toggle_running(&mut self) {
     self.is_running = !self.is_running;
   }
@@ -86,9 +93,11 @@ impl Termato {
       self.time_remaining_in_sec -= 1;
 
       if self.time_remaining_in_sec == 0 {
-        match self.mode {
-          TimerMode::Work => send_desktop_notification("Work Done", "Time to take a break."),
-          TimerMode::Break => send_desktop_notification("Break Over", "Time to focus."),
+        if self.enable_notifications {
+          match self.mode {
+            TimerMode::Work => send_desktop_notification("Work Done", "Time to take a break."),
+            TimerMode::Break => send_desktop_notification("Break Over", "Time to focus."),
+          }
         }
 
         self.toggle_mode();
@@ -130,7 +139,13 @@ fn main() -> Result<(), io::Error> {
   let args: Vec<String> = std::env::args().collect();
   
   if args.iter().any(|arg| arg == "-h" || arg == "--help") {
-    println!("Usage: termato [work_minutes] [break_minutes]");
+    println!("Usage: termato [options] [work_minutes] [break_minutes]");
+    println!();
+    println!("Options:");
+    println!("  -n, --notify      Enable desktop notifications");
+    println!("  -h, --help        Print this help message");
+    println!("  -v, --version     Print the version number");
+    println!();
     println!("Defaults: work_minutes = 25, break_minutes = 5");
     return Ok(());
   }
@@ -146,9 +161,15 @@ fn main() -> Result<(), io::Error> {
   let mut terminal = Terminal::new(backend)?;
   let font = Toilet::smblock().unwrap();
 
-  let work_mins = args.get(1).and_then(|s| s.parse().ok()).unwrap_or(25);
-  let break_mins = args.get(2).and_then(|s| s.parse().ok()).unwrap_or(5);
-  let mut termato = Termato::new(work_mins, break_mins);
+  let enable_notifications = args.iter().any(|arg| arg == "-n" || arg == "--notify");
+  let positional_args: Vec<&String> = args.iter()
+    .skip(1)
+    .filter(|arg| *arg != "-n" && *arg != "--notify")
+    .collect();
+
+  let work_mins = positional_args.get(0).and_then(|s| s.parse().ok()).unwrap_or(25);
+  let break_mins = positional_args.get(1).and_then(|s| s.parse().ok()).unwrap_or(5);
+  let mut termato = Termato::new(work_mins, break_mins).with_notifications(enable_notifications);
 
   let (tx, rx) = mpsc::channel();
 
@@ -406,4 +427,13 @@ mod tests {
 
     assert!(!termato.show_help);
   }
+
+  #[test]
+  fn termato_notifications_when_called_it_should_verify_opt_in_behavior() {
+    let result = Termato::new(25, 5);
+    assert!(!result.enable_notifications);
+
+    let result = result.with_notifications(true);
+    assert!(result.enable_notifications);
+  }
 }