Starting to build a UI

src/ui.rs

@@ -0,0 +1,34 @@
+use crate::message::PortDesc;
+use anyhow::Result;
+use crossterm::{
+    cursor::MoveTo,
+    execute,
+    terminal::{
+        Clear, ClearType, DisableLineWrap, EnableLineWrap, EnterAlternateScreen,
+        LeaveAlternateScreen,
+    },
+};
+use std::io::stdout;
+use tokio::sync::mpsc;
+
+pub async fn run_ui(port_receiver: &mut mpsc::Receiver<Vec<PortDesc>>) -> Result<()> {
+    let mut stdout = stdout();
+    execute!(stdout, EnterAlternateScreen, DisableLineWrap)?;
+    while let Some(mut ports) = port_receiver.recv().await {
+        ports.sort_by(|a, b| a.port.partial_cmp(&b.port).unwrap());
+
+        execute!(stdout, Clear(ClearType::All), MoveTo(0, 0))?;
+        println!("Port   Url                      Description");
+        println!("-----  ------------------------ -----------");
+        for port in ports {
+            println!(
+                "{:5} {:24} {}",
+                port.port,
+                format!("http://locahost:{}/", port.port),
+                port.desc
+            );
+        }
+    }
+    execute!(stdout, EnableLineWrap, LeaveAlternateScreen)?;
+    Ok(())
+}