extends SceneTree

const Controller = preload("res://p9_8/runtime_controller.gd")
const Fixture = preload("res://tests/p9_8/runtime_fixture.gd")
const BossService = preload("res://p9_8/boss_service.gd")
const BossBattleService = preload("res://p9_8/boss_battle_service.gd")

var failures: Array[String] = []
var experience
var capture_root := ""
var captures := 0


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


func run_test() -> void:
	capture_root = OS.get_environment("ABG_P9_8_LAYOUT_CAPTURE_ROOT")
	if not capture_root.is_empty():
		DirAccess.make_dir_recursive_absolute(capture_root)
	var market8 := Fixture.market8()
	await fixture("01-artifact-small-zh", market8, Vector2i(760, 360), "zh_CN", 1.0, false, false)
	var promotion := BossService.new(market8)
	promotion.choose_artifact("layout-artifact", "AR-002")
	await fixture("02-promotion-reference-en130", promotion.state.snapshot(), Vector2i(844, 390), "en", 1.3, false, false)
	if not promotion.state.promotion_draft.is_empty():
		var recruit_id := String(promotion.state.promotion_draft.recruit_id)
		promotion.confirm_promotion("layout-promotion", recruit_id, String(promotion.state.promotion_draft.offer_ids[1]))
	await fixture("03-market-large-reduced", promotion.state.snapshot(), Vector2i(1280, 720), "zh_CN", 1.0, true, false)
	var muster := Fixture.boss_muster()
	await fixture("04-boss-muster-reference", muster, Vector2i(844, 390), "zh_CN", 1.0, false, false)
	await mount(muster, Vector2i(844, 390), "en", 1.0, false, true)
	experience.choose_boss_plan("rotate")
	for _tick in 90:
		experience.advance_battle_ticks(1)
	await settle_frames()
	verify_current("05-boss-battle-low-power", Vector2i(844, 390), false)
	await capture("05-boss-battle-low-power")
	var recovery := boss_recovery_state(muster)
	await fixture("06-boss-recovery-zh130", recovery, Vector2i(844, 390), "zh_CN", 1.3, true, false)
	var result := boss_result_state(muster)
	await fixture("07-contract-result-en", result, Vector2i(844, 390), "en", 1.0, false, false)
	var closed_service = BossService.new()
	closed_service.state.restore_snapshot(result)
	closed_service.close_contract("layout-close")
	await fixture("08-persistent-result-large", closed_service.state.snapshot(), Vector2i(1280, 720), "zh_CN", 1.0, false, false)
	await fixture("09-portrait-rotate", market8, Vector2i(390, 844), "zh_CN", 1.0, false, false, true)
	if is_instance_valid(experience):
		experience.queue_free()
	for _index in 45:
		await process_frame
	if failures.is_empty():
		print("ABG_P9_8_LAYOUT_ACCESSIBILITY_OK fixtures=9 states=artifact,promotion,market,boss_muster,boss_battle,recovery,contract_result,persistent,rotate viewports=760x360,844x390,1280x720,390x844 locales=zh_CN,en text_130=true reduced_motion=true muted=true low_power=true controls=48 cards=0 captures=%d" % captures)
		quit(0)
	else:
		for failure in failures:
			push_error(failure)
		quit(1)


func fixture(label: String, snapshot: Dictionary, viewport: Vector2i, locale: String, text_scale: float, reduced: bool, low_power: bool, portrait := false) -> void:
	await mount(snapshot, viewport, locale, text_scale, reduced, low_power)
	verify_current(label, viewport, portrait)
	await capture(label)


func mount(snapshot: Dictionary, viewport: Vector2i, locale: String, text_scale: float, reduced: bool, low_power: bool) -> void:
	if is_instance_valid(experience):
		experience.queue_free()
		await settle_frames()
	root.size = viewport
	root.content_scale_mode = Window.CONTENT_SCALE_MODE_CANVAS_ITEMS
	root.content_scale_aspect = Window.CONTENT_SCALE_ASPECT_EXPAND
	root.content_scale_size = viewport
	experience = Controller.new()
	experience.persistence_enabled = false
	experience.battle_auto_advance = false
	experience.locale = locale
	experience.text_scale = text_scale
	experience.reduced_motion = reduced
	experience.muted = true
	experience.low_power = low_power
	experience.size = Vector2(viewport)
	experience.configure_entry(snapshot)
	root.add_child(experience)
	await settle_frames()


func verify_current(label: String, viewport: Vector2i, portrait: bool) -> void:
	var bounds := Rect2(Vector2.ZERO, Vector2(viewport))
	if portrait:
		expect(experience.find_child("P97RotateNotice", true, false) != null, "%s shows the landscape notice" % label)
		return
	expect(experience.find_child("P97RotateNotice", true, false) == null, "%s renders the game world" % label)
	expect(experience.get_meta("visible_world_ratio", 0.0) >= 0.80, "%s keeps a world-first composition" % label)
	expect(experience.find_children("*", "Panel", true, false).is_empty(), "%s adds no app panels" % label)
	for node in experience.find_children("*", "Button", true, false):
		var button := node as Button
		expect(button.size.x >= 48 and button.size.y >= 48, "%s target %s is at least 48px" % [label, button.name])
		expect(bounds.encloses(button.get_global_rect()), "%s target %s stays inside the viewport" % [label, button.name])
	for node in experience.find_children("*", "Control", true, false):
		var lowered := String(node.name).to_lower()
		expect("card" not in lowered and "modal" not in lowered and "dialog" not in lowered, "%s has no card/modal surface" % label)


func boss_recovery_state(muster: Dictionary) -> Dictionary:
	var service = BossService.new()
	service.state.restore_snapshot(muster)
	var fragile_id := "Farstring" if "Farstring" in service.state.company else String(service.state.company[-1])
	var line: Array[String] = [fragile_id]
	service.commit_deployment("layout-fragile", line)
	service.commit_boss_plan("layout-defeat-plan", "rotate")
	var battle = BossBattleService.new()
	battle.start_from_contract(service.state)
	var guard := 0
	while not battle.state.terminal and guard < 1800:
		battle.advance_ticks(1)
		guard += 1
	service.settle_boss("layout-defeat-settle", battle.state.snapshot())
	return service.state.snapshot()


func boss_result_state(muster: Dictionary) -> Dictionary:
	var service = BossService.new()
	service.state.restore_snapshot(muster)
	service.commit_boss_plan("layout-win-plan", "brace")
	var battle = BossBattleService.new()
	battle.start_from_contract(service.state)
	var guard := 0
	while not battle.state.terminal and guard < 1800:
		battle.advance_ticks(1)
		guard += 1
	service.settle_boss("layout-win-settle", battle.state.snapshot())
	return service.state.snapshot()


func capture(label: String) -> void:
	if capture_root.is_empty():
		return
	await RenderingServer.frame_post_draw
	var error := root.get_texture().get_image().save_png(capture_root.path_join(label + ".png"))
	expect(error == OK, "%s capture writes" % label)
	if error == OK:
		captures += 1
	await process_frame


func settle_frames() -> void:
	await process_frame
	await process_frame


func expect(condition: bool, message: String) -> void:
	if not condition:
		failures.append("P9.8 layout: %s" % message)