extends SceneTree

const EntryShell = preload("res://entry/entry_shell.gd")
const SettingsStore = preload("res://entry/settings_store.gd")

const SIZES := [Vector2i(1280, 720)]

var failures: Array[String] = []


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


func run_test() -> void:
	var viewport := SubViewport.new()
	viewport.size = SIZES[0]
	viewport.render_target_update_mode = SubViewport.UPDATE_ALWAYS
	root.add_child(viewport)
	var shell := EntryShell.new()
	shell.auto_start = false
	viewport.add_child(shell)
	await _frames(3)
	shell.settings = SettingsStore.new().defaults()
	shell.settings.locale = "zh_CN"
	shell.settings.text_scale = 1.3
	shell.setup_draft = shell.settings.duplicate(true)
	shell.show_first_launch()
	await _frames(4)
	for viewport_size in SIZES:
		viewport.size = viewport_size
		await _frames(3)
		_verify_layout(shell, viewport_size)
	viewport.queue_free()
	await _frames(4)
	if failures.is_empty():
		print("ABG_DEV1_FIRST_LAUNCH_RESPONSIVE_OK sizes=1280x720 preview=bounded settings=stretch rows=min48 apply=stretch resize=true")
		quit(0)
	else:
		for failure in failures:
			push_error(failure)
		quit(1)


func _verify_layout(shell: Control, viewport_size: Vector2i) -> void:
	var bounds := Rect2(Vector2.ZERO, Vector2(viewport_size))
	var world := shell.find_child("FirstLaunchWorld", true, false) as Control
	var preview := shell.find_child("FirstLaunchPreviewFrame", true, false) as Control
	var panel := shell.find_child("FirstLaunchControls", true, false) as Control
	var apply := shell.find_child("SetupApply", true, false) as Control
	expect(world != null and preview != null and panel != null and apply != null, "%dx%d First-launch layers exist" % [viewport_size.x, viewport_size.y])
	if world == null or preview == null or panel == null or apply == null:
		return
	expect(world.get_global_rect().is_equal_approx(bounds), "%dx%d world fills viewport" % [viewport_size.x, viewport_size.y])
	expect(bounds.encloses(preview.get_global_rect()), "%dx%d preview remains inside viewport" % [viewport_size.x, viewport_size.y])
	expect(bounds.encloses(panel.get_global_rect()), "%dx%d settings panel remains inside viewport" % [viewport_size.x, viewport_size.y])
	expect(apply.get_global_rect().size.y >= 52.0, "%dx%d Apply keeps command height" % [viewport_size.x, viewport_size.y])
	for node_name in ["SetupLanguage", "SetupSafeArea", "SetupTextScale", "SetupReducedMotion", "SetupReducedFlashes", "SetupCaptions"]:
		var row := shell.find_child(node_name, true, false) as Control
		expect(row != null and row.get_global_rect().size.y >= 48.0 and bounds.encloses(row.get_global_rect()), "%dx%d %s keeps 48 px row and bounds" % [viewport_size.x, viewport_size.y, node_name])


func _frames(count: int) -> void:
	for frame in range(count):
		await process_frame


func expect(condition: bool, message: String) -> void:
	if not condition:
		failures.append("DEV-1 First-launch responsive: %s" % message)