"""Official news and patch-note viewport construction."""

from __future__ import annotations

from dataclasses import dataclass
from typing import Any


MAX_NEWS_CARDS = 3
NEWS_CARD_HEIGHT = 242
NEWS_IMAGE_WIDTH = 292
NEWS_IMAGE_HEIGHT = 118
PATCH_CARD_WRAP_LENGTH = 900
PATCH_CHANGE_WRAP_LENGTH = 790


@dataclass(frozen=True)
class NewsPanel:
	container: Any
	news_tab_button: Any
	patches_tab_button: Any
	canvas: Any
	scrollbar: Any
	content_host: Any
	news_content: Any
	patches_content: Any
	canvas_window: int


def build_news_panel(
	parent: Any,
	*,
	ttk_module: Any,
	tk_module: Any,
	controls: Any,
	ui_scale: float,
) -> NewsPanel:
	news_panel = ttk_module.Frame(parent, style="Surface.TFrame", padding=(10, 8))
	news_panel.pack(fill="both", expand=True, pady=(0, 8), before=controls)
	news_heading = ttk_module.Frame(news_panel, style="Surface.TFrame")
	news_heading.pack(fill="x")
	ttk_module.Label(news_heading, text="LATEST NEWS", style="Section.TLabel").pack(side="left")
	news_tabs = ttk_module.Frame(news_heading, style="Surface.TFrame")
	news_tabs.pack(side="left", padx=(14, 0))
	news_tab_button = ttk_module.Button(
		news_tabs,
		text="NEWS",
		style="NewsTabActive.TButton",
		underline=0,
	)
	news_tab_button.pack(side="left")
	patches_tab_button = ttk_module.Button(
		news_tabs,
		text="PATCHES",
		style="NewsTab.TButton",
		underline=0,
	)
	patches_tab_button.pack(side="left", padx=(5, 0))
	ttk_module.Label(
		news_heading,
		text="OFFICIAL FEED",
		style="Muted.TLabel",
	).pack(side="right")
	news_viewport = ttk_module.Frame(news_panel, style="Surface.TFrame")
	news_viewport.pack(fill="both", expand=True, pady=(6, 0))
	news_viewport.grid_columnconfigure(0, weight=1)
	news_viewport.grid_rowconfigure(0, weight=1)
	news_canvas = tk_module.Canvas(
		news_viewport,
		background="#191311",
		highlightthickness=0,
		borderwidth=0,
		height=round(252 * ui_scale),
		takefocus=True,
	)
	news_canvas.grid(row=0, column=0, sticky="nsew")
	news_scrollbar = ttk_module.Scrollbar(
		news_viewport,
		orient="vertical",
		style="News.Vertical.TScrollbar",
		command=news_canvas.yview,
	)
	news_scrollbar.grid(row=0, column=1, sticky="ns", padx=(5, 0))
	news_scrollbar.grid_remove()
	news_canvas.configure(yscrollcommand=news_scrollbar.set)
	news_content_host = ttk_module.Frame(news_canvas, style="Surface.TFrame")
	news_content_host.grid_columnconfigure(0, weight=1)
	news_content = ttk_module.Frame(news_content_host, style="Surface.TFrame")
	patches_content = ttk_module.Frame(news_content_host, style="Surface.TFrame")
	news_content.grid(row=0, column=0, sticky="nsew")
	patches_content.grid(row=0, column=0, sticky="nsew")
	patches_content.grid_remove()
	news_window = news_canvas.create_window(
		(0, 0),
		window=news_content_host,
		anchor="nw",
	)
	return NewsPanel(
		container=news_panel,
		news_tab_button=news_tab_button,
		patches_tab_button=patches_tab_button,
		canvas=news_canvas,
		scrollbar=news_scrollbar,
		content_host=news_content_host,
		news_content=news_content,
		patches_content=patches_content,
		canvas_window=news_window,
	)