Implement status window to resolve #2

A status window to tell the user the next steps.
Right now only provides warnings about missing
intention and invalid session duration.

src/main.rs

@@ -57,7 +57,7 @@ impl App {
         App {
             state: State::InputIntention,
             user_intention: String::new(),
-            user_duration_str: String::new(),
+            user_duration_str: "25".to_string(),
             user_duration: Duration::new(0, 0),
             current_window_title: window_title.into(),
             current_window_time: Instant::now(),
@@ -81,12 +81,9 @@ impl App {
     }
 
     fn to_in_progress(&mut self) {
-        let Ok(user_duration) = self.user_duration_str.parse::<u64>() else {
-            // TODO: Print error to the user
+        if self.user_intention.len() == 0 || self.user_duration == Duration::ZERO {
             return;
-        };
-
-        self.user_duration = Duration::from_secs(user_duration * 60);
+        }
         self.state = State::InProgress;
         self.current_window_time = Instant::now();
         self.session_start = self.current_window_time;
@@ -103,6 +100,12 @@ impl App {
     fn tick_50ms(&mut self) {
         match self.state {
             State::InputIntention | State::InputDuration => {
+                if let Ok(user_duration_mins) = self.user_duration_str.parse::<u64>() {
+                    self.user_duration = Duration::from_secs(user_duration_mins * 60);
+                } else {
+                    self.user_duration = Duration::ZERO;
+                }
+
                 window::minimize_other("AntiDrift");
             }
             State::InProgress => {
@@ -115,7 +118,9 @@ impl App {
                 }
             }
             State::ShouldQuit => {}
-            State::End => {}
+            State::End => {
+                window::minimize_other("AntiDrift");
+            }
         }
 
         self.last_tick_50ms = Instant::now();
@@ -293,15 +298,16 @@ fn ui(frame: &mut Frame, app: &App) {
         Constraint::Min(3),
         Constraint::Min(3),
         Constraint::Percentage(100),
+        Constraint::Min(3),
     ]);
-    let [layout_intention, layout_duration, layout_titles] = layout.areas(frame.size());
+    let [layout_intention, layout_duration, layout_titles, layout_status] = layout.areas(frame.size());
 
     let border_type_intention = if app.state == State::InputIntention {
         BorderType::Thick
     } else {
         BorderType::Plain
     };
-    let input_intention: Vec<Line> = vec![Line::from(Span::raw(&app.user_intention))];
+    let input_intention = Line::from(Span::raw(&app.user_intention));
     frame.render_widget(
         Paragraph::new(input_intention).block(
             Block::bordered()
@@ -336,4 +342,28 @@ fn ui(frame: &mut Frame, app: &App) {
         Paragraph::new(stats).block(Block::bordered().title("Session")),
         layout_titles,
     );
+
+    let mut spans: Vec<Span> = Vec::new();
+    if app.user_intention.len() == 0 {
+        let span = Span::styled("Provide intention! ", Style::new().fg(Color::LightRed));
+        spans.push(span);
+    }
+    
+    if app.user_duration == Duration::ZERO {
+        let span = Span::styled("Provide valid duration in minutes! ", Style::new().fg(Color::LightRed));
+        spans.push(span);
+    }
+
+    if app.state == State::InProgress {
+        let span = Span::styled("Session In-Progress", Style::new().fg(Color::LightGreen));
+        spans.push(span);
+    }
+
+    let input_status: Vec<Line> = vec![Line::from(spans)];
+    frame.render_widget(
+        Paragraph::new(input_status).block(
+            Block::bordered().title("Status"),
+        ),
+        layout_status,
+    );
 }