extends HBoxContainer

const WORD_LENGTH := 5
const THEME_EMPTY := preload('res://letter_empty.tres')
const THEME_ABSENT := preload('res://letter_absent.tres')
const THEME_PRESENT := preload('res://letter_present.tres')
const THEME_CORRECT := preload('res://letter_correct.tres')

var word := ''
var solution := ''
var guess := ''
onready var letter_btns := get_children()

func set_word(word: String):
	self.word = word
	for i in WORD_LENGTH:
		letter_btns[i].text = word[i] if len(word) > i else ''

func grade_word(solution: String):
	assert(self.word.length() == WORD_LENGTH)
	if solution.length() < WORD_LENGTH:
		self.solution = solution + ' '.repeat(WORD_LENGTH - len(solution))
	elif solution.length() == WORD_LENGTH:
		self.solution = solution
	else:
		self.solution = solution.left(WORD_LENGTH)
	for i in WORD_LENGTH:
		if self.word[i] == self.solution[i]:
			self.letter_btns[i].theme = THEME_CORRECT
		elif self.word[i] in self.solution:
			self.letter_btns[i].theme = THEME_PRESENT
		else:
			self.letter_btns[i].theme = THEME_ABSENT

func grade_solution(guess: String):
	if guess.length() < WORD_LENGTH:
		self.guess = guess + ' '.repeat(WORD_LENGTH - len(guess))
	elif guess.length() == WORD_LENGTH:
		self.guess = guess
	else:
		self.guess = guess.left(WORD_LENGTH)
	for i in WORD_LENGTH:
		if len(self.word) > i:
			if self.word[i] == self.guess[i]:
				self.letter_btns[i].theme = THEME_CORRECT
			elif self.word[i] in self.guess:
				self.letter_btns[i].theme = THEME_PRESENT
			else:
				self.letter_btns[i].theme = THEME_EMPTY
		else:
			self.letter_btns[i].theme = THEME_EMPTY