package com.hangman;

import org.junit.Before;

import org.junit.Test;

import java.util.Arrays;

import java.util.Collections;

import java.util.LinkedList;

import java.util.List;

import static org.junit.Assert.*;

public class HangmanRunnerTest {

private HangmanRunner runner;

private FakePlayer player;

private FakeGame game;

private FakeGameOverDisplay display;

private FakeTicker ticker;

@Before

public void setUp() {

display = new FakeGameOverDisplay();

game = new FakeGame();

player = new FakePlayer();

ticker = new FakeTicker();

runner = new HangmanRunner(game, display, player, ticker);

}

@Test

public void displaysGameOverWhenTheGameIsDone() throws Exception {

game.SetDone();

runner.run();

assertTrue(display.GameOverDisplayed());

}

@Test

public void tellsYouIfGameIsAWinner() {

game.SetToWinner();

assertTrue(runner.isWinner());

}

@Test

public void itGetsTheNumberOfGuessesFromTheGame() {

game.SetNumGuesses(3);

assertEquals(3, runner.numGuesses());

}

@Test

public void itPlaysATurnThatCanEndTheGame() throws Exception {

game.SetLastGuess('z');

player.SetGuesses(Collections.singletonList('z'));

runner.run();

assertEquals(Collections.singletonList('z'), game.Guesses());

assertTrue(display.GameOverDisplayed());

}

@Test

public void itSendsTheCurrentWordToThePlayer() throws Exception {

List<Character> clue = new LinkedList<>();

clue.add('_');

game.SetCurrentClue(clue);

runner.run();

assertEquals(clue, player.GetLatestClue());

}

@Test

public void itRunsTurnsUntilGameIsOver() throws Exception {

game.SetLastGuess('z');

player.SetGuesses(Arrays.asList('a', 'z'));

runner.run();

assertEquals(Arrays.asList('a', 'z'), game.Guesses());

assertTrue(display.GameOverDisplayed());

}

@Test

public void itTicksOnEachTurnThroughTheGame() throws Exception {

game.SetLastGuess('z');

player.SetGuesses(Arrays.asList('a', 'z'));

runner.run();

assertEquals(2, ticker.TickCount());

}

}