#!/usr/bin/python


import dictionary
import game


def display_instructions():
    """Print out instuctions before starting play."""

    print(
        f"""Welcome to Wordle!

    Wordle has a hidden word of five letters, and you get to
    make up to six guesses to find out what it is.

    After each guess, you get feedback on each letter of your guess.
    * {game.display_result(game.LetterResult.CORRECT, "Correct!")}
    * {game.display_result(game.LetterResult.MOVE, "Correct, in a different location.")}
    * {game.display_result(game.LetterResult.INCORRECT, "Not in the word.")}
    """
    )


def read_valid_guess(guess_number):
    while True:
        print(f"Guess {guess_number}: ", end="")
        guess = input()
        if guess in dictionary.words():
            return guess

        print(f"{guess} is not a valid Wordle word. Please try again.")


def display_results(guess, results):
    print("  ", end="")
    for i in range(dictionary.WORDLE_LENGTH):
        print(game.display_result(results[i], guess[i]), end="")
    print("")


def play_game():
    display_instructions()

    target = game.select_word()

    # To help with debugging
    # print(f"The target is: {target}")

    for guess_number in range(1, 6):
        guess = read_valid_guess(guess_number)
        results = game.grade_word(target, guess)

        if game.success_result(results):
            print(f"You won! It took {guess_number} guesses.")
            return

        display_results(guess, results)

    print(f"Sorry, no guesses remaining. The word was: {target}")


if __name__ == "__main__":
    play_game()