feat: add visualizer flag

src/main.rs

@@ -1,8 +1,5 @@
 use std::{
-  io::{self, stdout},
-  sync::mpsc,
-  thread,
-  time::Duration,
+  io::{self, stdout}, sync::{Arc, Mutex, mpsc}, thread, time::Duration,
 };
 
 use crossterm::{
@@ -51,6 +48,7 @@ struct Termato {
   time_remaining_in_sec: u32,
   show_help: bool,
   enable_notifications: bool,
+  enable_visualizer: bool,
 }
 
 impl Termato {
@@ -64,6 +62,7 @@ impl Termato {
       time_remaining_in_sec: work_mins * SECONDS_PER_MIN,
       show_help: false,
       enable_notifications: false,
+      enable_visualizer: false,
     }
   }
 
@@ -72,6 +71,11 @@ impl Termato {
     self
   }
 
+  fn with_visualizer(mut self, enable: bool) -> Self {
+    self.enable_visualizer = enable;
+    self
+  }
+
   fn toggle_running(&mut self) {
     self.is_running = !self.is_running;
   }
@@ -145,6 +149,7 @@ fn main() -> Result<(), io::Error> {
     println!("  -n, --notify      Enable desktop notifications");
     println!("  -h, --help        Print this help message");
     println!("  -v, --version     Print the version number");
+    println!("  -z, --visualizer  Display visualizer of playing audio");
     println!();
     println!("Defaults: work_minutes = 25, break_minutes = 5");
     return Ok(());
@@ -161,15 +166,21 @@ fn main() -> Result<(), io::Error> {
   let mut terminal = Terminal::new(backend)?;
   let font = Toilet::smblock().unwrap();
 
+  let enable_visualizer = args.iter().any(|arg| arg == "-z" || arg == "--visualizer");
   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")
+    .filter(|arg| { 
+        *arg != "-n" && *arg != "--notify" && *arg != "-vx" && *arg != "--visualizer"
+    })
     .collect();
 
-  let work_mins = positional_args.get(0).and_then(|s| s.parse().ok()).unwrap_or(25);
+  let work_mins = positional_args.first().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 mut termato = Termato::new(work_mins, break_mins)
+      .with_notifications(enable_notifications)
+      .with_visualizer(enable_visualizer);
 
   let (tx, rx) = mpsc::channel();
 
@@ -297,7 +308,7 @@ mod tests {
   use super::*;
 
   #[test]
-  fn termato_when_called_it_should_return_expected_starting_state() {
+  fn termato_new_when_called_it_should_return_expected_starting_state() {
     let result = Termato::new(25, 5);
 
     assert_eq!(result.work_mins, 25);
@@ -306,6 +317,9 @@ mod tests {
     assert!(!result.is_running);
     assert_eq!(result.duration_in_secs, 1500);
     assert_eq!(result.time_remaining_in_sec, 1500);
+    assert!(!result.show_help);
+    assert!(!result.enable_notifications);
+    assert!(!result.enable_visualizer);
   }
 
   #[test]