extends SceneTree

var failures := 0


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


func _run() -> void:
	var dashboard_service = root.get_node("DashboardService")
	var prior_data: Dictionary = dashboard_service.data
	dashboard_service.data = _dashboard_data()
	var dashboard = load("res://scripts/ui/dashboard_screen.gd").new()
	dashboard.size = Vector2(1280, 900)
	root.add_child(dashboard)
	await process_frame
	dashboard._render()
	await process_frame

	_assert(dashboard.system_list.get_child_count() == 14, "dashboard should render all 14 Step 3 systems")
	_assert(dashboard.mastery_rows.size() == 14, "dashboard should render one mastery action row per system")
	var first_mastery_row: BoxContainer = dashboard.mastery_rows[0]
	_assert(not first_mastery_row.vertical, "desktop mastery rows should remain horizontal")
	dashboard.size = Vector2(640, 900)
	dashboard._update_responsive()
	_assert(first_mastery_row.vertical, "narrow mastery rows should stack to avoid clipping")
	_assert(dashboard.rating_toggle.button_pressed, "rating should be the default trend mode")
	_assert(dashboard.trend_chart.mode == "rating", "chart should initially render rating history")
	dashboard._set_trend_mode("accuracy")
	_assert(dashboard.trend_chart.mode == "accuracy", "correct percentage toggle should switch the chart series")
	_assert(dashboard.trend_chart.points.size() == 30, "chart should retain all 30 calendar points")

	dashboard.queue_free()
	dashboard_service.data = prior_data
	await process_frame
	quit(1 if failures > 0 else 0)


func _dashboard_data() -> Dictionary:
	var systems: Array = []
	for index in range(14):
		systems.append({
			"system": "System %02d" % index,
			"correct": 1 if index == 0 else 0,
			"total": 1 if index == 0 else 0,
			"accuracy": 100 if index == 0 else 0,
			"masteryScore": 82 if index == 0 else 0,
			"masteryState": "strong" if index == 0 else "unseen",
			"distinctQuestions": 15 if index == 0 else 0,
			"difficulty4PlusSuccessful": 4 if index == 0 else 0,
			"pendingReviews": 0,
			"refreshDue": false,
			"recommendedAction": {"type": "practice", "label": "Challenge this system", "questionCount": 10, "difficultyMin": 4, "difficultyMax": 5}
		})
	var trend: Array = []
	for index in range(30):
		trend.append({
			"dateUtc": "2026-07-%02dT00:00:00Z" % (index + 1),
			"correct": 1 if index % 2 == 0 else 0,
			"total": 1 if index % 2 == 0 else 0,
			"accuracy": 100 if index % 2 == 0 else 0,
			"questionBankRating": 1000 + index
		})
	return {
		"questionBankRating": 1029,
		"ratedQuestionCount": 30,
		"performanceTrend": trend,
		"systems": systems,
		"weeklyActivity": [],
		"recentActivity": []
	}


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