extends SceneTree

const Cloze := preload("res://scripts/ui/flashcard_cloze.gd")

var failures := 0


func _initialize() -> void:
	var text := "The capital of {{c1::France}} is {{c2::Paris::city}}."

	_assert(Cloze.render_front(text, 1) == "The capital of [...] is Paris.",
		"front should hide the target cloze number and reveal the rest")
	_assert(Cloze.render_front(text, 2) == "The capital of France is [city].",
		"front should show the hint in brackets when one is provided")
	_assert(Cloze.render_back(text) == "The capital of France is Paris.",
		"back should reveal every cloze answer regardless of variant")

	var multiline := "Line one\n{{c1::multi\nline\nanswer}}\nLine two"
	_assert(Cloze.render_back(multiline) == "Line one\nmulti\nline\nanswer\nLine two",
		"cloze content spanning multiple lines should still parse as one deletion")

	_assert(Cloze.render_front("no markers here", 1) == "no markers here",
		"text without cloze markers should render unchanged")

	quit(1 if failures > 0 else 0)


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