extends Control

const Brand := preload("res://scripts/ui/medmind_style.gd")

var main
var status_label: Label
var start_button: Button


func _ready() -> void:
	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	var center := CenterContainer.new()
	center.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	add_child(center)
	var card := VBoxContainer.new()
	card.custom_minimum_size = Vector2(620, 0)
	card.add_theme_constant_override("separation", 18)
	center.add_child(card)
	var title := Label.new()
	title.text = "Dynamic Questions"
	title.add_theme_font_override("font", Brand.font)
	title.add_theme_font_size_override("font_size", 34)
	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	card.add_child(title)
	var description := Label.new()
	description.text = "Endless, data-driven Step 3 practice. Clinical values and distractors vary while each tested objective stays medically invariant."
	description.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	description.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	card.add_child(description)
	status_label = Label.new()
	status_label.text = "Checking available objectives..."
	status_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	card.add_child(status_label)
	start_button = Button.new()
	start_button.text = "Start Dynamic Questions"
	start_button.custom_minimum_size = Vector2(0, 52)
	start_button.disabled = true
	start_button.pressed.connect(_start)
	card.add_child(start_button)
	DynamicQuestionService.status_loaded.connect(_on_status)
	DynamicQuestionService.question_loaded.connect(_on_question)
	DynamicQuestionService.request_failed.connect(_on_failed)


func on_show(_payload: Variant = null) -> void:
	start_button.disabled = true
	status_label.text = "Checking available objectives..."
	DynamicQuestionService.load_status()


func _on_status(status: Dictionary) -> void:
	var available := bool(status.get("available", false))
	var count := int(status.get("publishedObjectives", 0))
	var attempts := int(status.get("totalAttempts", 0))
	var due := int(status.get("reviewsDue", 0))
	var coverage := 0
	if count > 0:
		coverage = int(round(float(status.get("attemptedObjectives", 0)) * 100.0 / float(count)))
	status_label.text = "%d objectives | %d%% explored | %d reviews due | %d attempts" % [
		count, coverage, due, attempts]
	start_button.disabled = not available
	if not available:
		status_label.text = "Dynamic question content has not been published yet."


func _start() -> void:
	start_button.disabled = true
	start_button.text = "Generating..."
	DynamicQuestionService.reset_run()
	DynamicQuestionService.load_next()


func _on_question(question: Dictionary) -> void:
	start_button.text = "Start Dynamic Questions"
	start_button.disabled = false
	if BlockSessionService.start_dynamic_question(question):
		main.show_screen("player")


func _on_failed(message: String) -> void:
	start_button.text = "Try Again"
	start_button.disabled = false
	status_label.text = message