"""Connection status bar."""
from textual.widgets import Static


class StatusBar(Static):
    """Bottom status bar showing connection info."""

    DEFAULT_CSS = """
    StatusBar {
        dock: bottom;
        height: 1;
        background: $primary-background;
        color: $text;
        padding: 0 1;
    }
    """

    def __init__(self):
        super().__init__("")
        self.connected = False
        self.pkt_count = 0
        self.drop_count = 0
        self.last_seq = 0
        self.fps = 0.0

    def refresh_status(self):
        conn = "[green]CONN:OK[/green]" if self.connected else "[red]CONN:LOST[/red]"
        self.update(f"  {conn}  PKTS:{self.pkt_count}  DROPS:{self.drop_count}  SEQ:{self.last_seq}  FPS:{self.fps:.1f}")