feat: add display formatting helpers

src/autossh_mgr/display.py

@@ -0,0 +1,57 @@
+import click
+from autossh_mgr.config import TunnelConfig
+from autossh_mgr.process import TunnelStatus
+
+
+def _server_str(t: TunnelConfig) -> str:
+    return f"{t.user}@{t.host}:{t.port}"
+
+
+def _ports_str(t: TunnelConfig) -> str:
+    return f"{t.local_port} -> {t.remote_port}"
+
+
+def print_tunnel_table(tunnels: list[TunnelConfig], statuses: dict[str, TunnelStatus]) -> None:
+    if not tunnels:
+        click.echo("No tunnels configured.")
+        return
+    fmt = f"{'NAME':<20} {'SERVER':<32} {'PORTS':<15} STATUS"
+    click.echo(fmt)
+    click.echo("-" * 72)
+    for t in tunnels:
+        s = statuses.get(t.name)
+        state = s.state if s else "unknown"
+        click.echo(f"{t.name:<20} {_server_str(t):<32} {_ports_str(t):<15} {state}")
+
+
+def print_status_table(tunnels: list[TunnelConfig], statuses: dict[str, TunnelStatus]) -> None:
+    if not tunnels:
+        click.echo("No tunnels configured.")
+        return
+    fmt = f"{'NAME':<20} {'STATE':<10} {'PID':<8} UPTIME"
+    click.echo(fmt)
+    click.echo("-" * 52)
+    for t in tunnels:
+        s = statuses.get(t.name)
+        if s:
+            pid_str = str(s.pid) if s.pid else "-"
+            uptime_str = s.uptime or "-"
+            click.echo(f"{t.name:<20} {s.state:<10} {pid_str:<8} {uptime_str}")
+
+
+def print_tunnel_detail(tunnel: TunnelConfig, status: TunnelStatus | None) -> None:
+    click.echo(f"Name:          {tunnel.name}")
+    click.echo(f"Host:          {tunnel.host}")
+    click.echo(f"SSH port:      {tunnel.port}")
+    click.echo(f"User:          {tunnel.user}")
+    click.echo(f"Identity file: {tunnel.identity_file}")
+    click.echo(f"Local:         {tunnel.local_host}:{tunnel.local_port}")
+    click.echo(f"Remote:        {tunnel.remote_host}:{tunnel.remote_port}")
+    if tunnel.ssh_options:
+        click.echo(f"SSH options:   {tunnel.ssh_options}")
+    if status:
+        click.echo(f"State:         {status.state}")
+        if status.pid:
+            click.echo(f"PID:           {status.pid}")
+        if status.uptime:
+            click.echo(f"Uptime:        {status.uptime}")