# -*- coding: utf-8 -*-
"""
Installer-Header — Zeigt Titel, Version und Modus.
"""

from __future__ import annotations

from textual.widget import Widget
from textual.app import RenderResult
from rich.text import Text


class InstallerHeader(Widget):
    """
    Header-Leiste: 'Trixy Installer v1.0.0 [server]'
    """

    DEFAULT_CSS = """
    InstallerHeader {
        dock: top;
        height: 1;
        background: $accent;
        color: $text;
        text-style: bold;
    }
    """

    def __init__(
        self,
        version: str = "1.0.0",
        mode: str = "server",
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self._version = version
        self._mode = mode
        self._subtitle = ""

    @property
    def subtitle(self) -> str:
        return self._subtitle

    @subtitle.setter
    def subtitle(self, value: str) -> None:
        self._subtitle = value
        self.refresh()

    def render(self) -> RenderResult:
        text = Text()
        text.append(f" Trixy Installer v{self._version} ", style="bold")
        text.append(f"[{self._mode}]", style="italic")

        if self._subtitle:
            text.append(f"  —  {self._subtitle}", style="")

        return text