"""Dashboard header construction."""

from __future__ import annotations

from dataclasses import dataclass
from typing import Any

from ..viewmodels.dashboard import preloader_logo_subsample_factor


@dataclass(frozen=True)
class DashboardHeader:
	frame: Any
	version: Any
	logo: Any


def build_dashboard_header(
	parent: Any,
	*,
	widgets: Any,
	tk_module: Any,
	launcher_version: str,
	window_icon: Any | None,
) -> DashboardHeader:
	"""Build the shared content frame and branded dashboard heading."""

	frame = widgets.Frame(parent, style="Root.TFrame", padding=12)
	frame.pack(fill="both", expand=True)
	header = widgets.Frame(frame, style="Root.TFrame")
	header.pack(fill="x", pady=(0, 8))
	logo = tk_module.Canvas(
		header,
		width=42,
		height=42,
		background="#0c0908",
		highlightthickness=0,
		borderwidth=0,
	)
	dashboard_header_icon = None
	icon: Any = window_icon
	if icon is not None:
		try:
			header_icon_factor = preloader_logo_subsample_factor(
				icon.width(),
				icon.height(),
				max_dimension=40,
			)
			dashboard_header_icon = icon.subsample(
				header_icon_factor,
				header_icon_factor,
			)
		except tk_module.TclError:
			dashboard_header_icon = None
	if dashboard_header_icon is not None:
		logo.create_image(21, 21, image=dashboard_header_icon)
		logo.image = dashboard_header_icon
	logo.pack(side="left", padx=(0, 9))
	brand = widgets.Frame(header, style="Root.TFrame")
	brand.pack(side="left", fill="x", expand=True)
	widgets.Label(brand, text="PRISTONTALE EU", style="Brand.TLabel").pack(anchor="w")
	widgets.Label(
		brand,
		text="PRISTONTALE EU · NATIVE LINUX LAUNCHER",
		style="Tagline.TLabel",
	).pack(anchor="w", pady=(1, 0))
	version = tk_module.StringVar(
		value=f"Launcher {launcher_version} · checking official game build…"
	)
	widgets.Label(header, textvariable=version, style="Tagline.TLabel").pack(
		side="right",
		anchor="e",
	)
	return DashboardHeader(frame=frame, version=version, logo=logo)