extends SceneTree

const Style := preload("res://scripts/ui/ui_style.gd")

var failures := 0


func _initialize() -> void:
	Style.set_dark_mode(true)
	var root := Control.new()
	var background := ColorRect.new()
	background.color = Style.BACKGROUND
	root.add_child(background)
	var panel := PanelContainer.new()
	panel.add_theme_stylebox_override("panel", Style.panel_box(Color("172337"), Color("405475")))
	root.add_child(panel)

	Style.set_dark_mode(false)
	Style.refresh_tree(root, true)
	_assert(background.color.is_equal_approx(Style.BACKGROUND), "background should switch to light mode")
	_assert(root.theme.get_color("default_color", "RichTextLabel").is_equal_approx(Style.TEXT), "rich text should use the light text color")
	var light_box := panel.get_theme_stylebox("panel") as StyleBoxFlat
	_assert(light_box.bg_color.is_equal_approx(Color("fffffe")), "custom panel surface should switch to light mode")

	Style.set_dark_mode(true)
	Style.refresh_tree(root, false)
	_assert(background.color.is_equal_approx(Style.BACKGROUND), "background should switch back to dark mode")
	_assert(root.theme.get_color("default_color", "RichTextLabel").is_equal_approx(Style.TEXT), "rich text should use the dark text color")
	var dark_box := panel.get_theme_stylebox("panel") as StyleBoxFlat
	_assert(dark_box.bg_color.is_equal_approx(Color("172337")), "custom panel surface should switch back to dark mode")

	root.free()
	quit(1 if failures > 0 else 0)


func _assert(condition: bool, message: String) -> void:
	if condition:
		return
	failures += 1
	push_error(message)