extends SceneTree

var failures := 0


func _initialize() -> void:
	call_deferred("_run")


func _run() -> void:
	var host := Control.new()
	host.size = Vector2(240, 720)
	root.add_child(host)
	var selector = load("res://scripts/ui/study_selector.gd").new()
	selector.size = host.size
	host.add_child(selector)
	await process_frame
	selector._show_stage("step3")
	selector._refresh_grid_columns()
	await process_frame

	_assert(selector.stage_scroll != null, "study selection should scroll vertically on short web viewports")
	_assert(selector.stage_scroll.horizontal_scroll_mode == ScrollContainer.SCROLL_MODE_DISABLED, "study selection should never introduce horizontal scrolling")
	_assert(selector.mode_grid.columns == 1, "phone-width mode cards should use one column")
	_assert(selector.stage_content.get_combined_minimum_size().x <= host.size.x, "phone-width study content should fit inside the web canvas (minimum %.1f px)" % selector.stage_content.get_combined_minimum_size().x)
	for card in selector.responsive_cards:
		_assert(card.custom_minimum_size.x == 0.0, "phone-width cards should release their desktop minimum width")
	for row in selector.responsive_card_rows:
		_assert(row.vertical, "phone-width card content should stack instead of clipping")

	var main_screen = load("res://scripts/ui/main.gd").new()
	main_screen.size = host.size
	host.add_child(main_screen)
	await process_frame
	main_screen._update_responsive_layout()
	_assert(main_screen.theme_button.custom_minimum_size == Vector2(44, 44), "the theme toggle should keep a stable square footprint")
	_assert(main_screen.theme_button.size.x >= 44.0 and main_screen.theme_button.size.y >= 44.0, "the theme toggle should not collapse into an oval")
	_assert(not main_screen.user_label.visible and not main_screen.account_chevron_button.visible, "nonessential account controls should collapse on phone-width headers")

	host.queue_free()
	await process_frame
	quit(1 if failures > 0 else 0)


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