extends PanelContainer

signal answer_submitted(is_correct: bool)

@onready var question_label = $MarginContainer/VBoxContainer/QuestionPanel/MarginContainer/QuestionLabel
@onready var choices_container = $MarginContainer/VBoxContainer/ChoicesContainer
@onready var feedback_panel = $MarginContainer/VBoxContainer/FeedbackPanel
@onready var feedback_label = $MarginContainer/VBoxContainer/FeedbackPanel/MarginContainer/FeedbackLabel

var current_card: Flashcard
var choice_buttons: Array[Button] = []
var answered: bool = false

func _ready() -> void:
	feedback_panel.hide()

func set_card(card: Flashcard) -> void:
	current_card = card
	answered = false

	question_label.text = card.question_text
	question_label.modulate = card.question_color

	for button in choice_buttons:
		button.queue_free()
	choice_buttons.clear()

	for i in range(card.choices.size()):
		var choice = card.choices[i]
		var button = Button.new()
		button.text = choice.text
		button.custom_minimum_size = Vector2(0, 50)
		button.add_theme_font_size_override("font_size", 18)
		button.pressed.connect(_on_choice_selected.bind(i))
		choices_container.add_child(button)
		choice_buttons.append(button)

	feedback_panel.hide()

func _on_choice_selected(choice_index: int) -> void:
	if answered:
		return

	answered = true
	var is_correct = current_card.choices[choice_index].is_correct

	for button in choice_buttons:
		button.disabled = true

	if is_correct:
		choice_buttons[choice_index].modulate = Color.GREEN
		feedback_label.text = "✓ Correct! " + current_card.answer_text
		feedback_panel.self_modulate = Color(0.2, 0.6, 0.2, 1.0)
	else:
		choice_buttons[choice_index].modulate = Color.RED

		var correct_index = current_card.get_correct_choice_index()
		if correct_index >= 0:
			choice_buttons[correct_index].modulate = Color.GREEN

		feedback_label.text = "❌ Incorrect. The answer is: " + current_card.answer_text
		feedback_panel.self_modulate = Color(0.6, 0.2, 0.2, 1.0)

	feedback_panel.show()

	await get_tree().create_timer(2.0).timeout
	answer_submitted.emit(is_correct)