#!/usr/bin/env python3
"""
Minimal Textual proof-of-concept.
Run: python3 textual_poc.py
Press q to quit.
"""
from textual.app import App, ComposeResult
from textual.widgets import Static, Header, Footer
from textual.containers import Horizontal
import time


class Box(Static):
    def on_mount(self) -> None:
        self.update(self.id or "box")


class PocApp(App):
    CSS = """
    Screen { background: #111; }
    Box {
        border: solid green;
        height: 8;
        content-align: center middle;
        color: white;
    }
    #clock { border: solid cyan; height: 3; }
    """

    BINDINGS = [("q", "quit", "Quit")]

    def compose(self) -> ComposeResult:
        yield Static(id="clock")
        with Horizontal():
            yield Box("PANEL A\nstatic text", id="panel_a")
            yield Box("PANEL B\nstatic text", id="panel_b")
            yield Box("PANEL C\nstatic text", id="panel_c")
        yield Static("[green]q=quit[/green]  |  Textual POC running OK")

    def on_mount(self) -> None:
        self.set_interval(1, self._tick)
        self._tick()

    def _tick(self) -> None:
        t = time.strftime("%Y-%m-%d %H:%M:%S UTC", time.gmtime())
        self.query_one("#clock", Static).update(
            f"[bold cyan]🐬 DOLPHIN TUI POC[/bold cyan]  |  {t}  |  Textual is working"
        )
        # Update panels with incrementing counter
        n = int(time.time()) % 100
        self.query_one("#panel_a", Box).update(
            f"[green]PANEL A[/green]\nvalue = {n}\nstatus = OK"
        )
        self.query_one("#panel_b", Box).update(
            f"[yellow]PANEL B[/yellow]\nvalue = {n*2}\nstatus = WARN"
        )
        self.query_one("#panel_c", Box).update(
            f"[red]PANEL C[/red]\nvalue = {n*3}\nstatus = CRIT"
        )


if __name__ == "__main__":
    PocApp().run()