package de.edu.hsfulda.ccip.tdd.purefunction;

import static org.junit.Assert.assertThat;
import static org.junit.jupiter.api.Assertions.*;

import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

class BowlingCalculatorTest {

	private BowlingCalculator bowlingCalculator;

	@BeforeEach
	void setUp() throws Exception {
		bowlingCalculator = new BowlingCalculator();
	}

	@Test
	void resultOfWorstGameIsZero() {
		// arrange
		String rolls = "-- -- -- -- -- -- -- -- -- --";
		int expectedScore = 0;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}

	@Test
	void addUpSingleRollInIncompleteFrames() {
		// arrange
		String rolls = "-1 23 -4 5- -6 -7 8- 9- -- --";
		int expectedScore = 45;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}

	@Test
	void frameWithSpareCounts10() {
		// arrange
		String rolls = "-- -- 3/ -- 7/ -- -- -- -- --";
		int expectedScore = 20;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}
	
	@Test
	void frameWithSpareAddsNextRollTwice() {
		// arrange
		String rolls = "-- -- 3/ 2- 7/ 8- -- -- -- --";
		int expectedScore = 40;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}

	@Test
	void frameWithStrikeCounts10() {
		// arrange
		String rolls = "-- -- X -- X -- -- -- -- --";
		int expectedScore = 20;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}
	
	@Test
	void frameWithStrikeAddsNextRollTwice() {
		// arrange
		String rolls = "-- -- X 2- X 8- -- -- -- --";
		int expectedScore = 40;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}@Test
	
	void frameWithStrikeAddsSecondNextRollTwice() {
		// arrange
		String rolls = "-- -- X -2 X -8 -- -- -- --";
		int expectedScore = 40;
		// act
		int score = bowlingCalculator.score(rolls);
		// assert
		assertThat("score", score, CoreMatchers.equalTo(expectedScore));
	}
}