package geniusweb.model;

import static org.junit.Assert.assertEquals;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import java.math.BigDecimal;

import org.junit.Test;

import geniusweb.domaineditor.model.NumberValueSetModel;
import geniusweb.issuevalue.NumberValueSet;
import geniusweb.issuevalue.ValueSet;
import tudelft.utilities.immutablelist.Range;
import tudelft.utilities.logging.Reporter;
import tudelft.utilities.mvc.model.NumberModel;

public class NumberValueSetModelTest {
	private final Reporter log = mock(Reporter.class);

	@Test
	public void smoke() {
		new NumberValueSetModel(log);
	}

	@Test
	public void testSomeGoodValues() {
		NumberValueSetModel model = new NumberValueSetModel(log);
		assertEquals(11, model.getList().getSize()); // default is 0...10
		model.getLow().setValue(new BigDecimal("2"));
		assertEquals(9, model.getList().getSize()); // 2..10
		model.getHigh().setValue(new BigDecimal("3"));
		assertEquals(2, model.getList().getSize()); // 2..3
		model.getStep().setValue(new BigDecimal("0.1"));
		assertEquals(11, model.getList().getSize()); // 2.0, 2.1, ...,3.0
	}

	@Test(expected = IllegalStateException.class)
	public void testIllegal1() {
		new NumberValueSetModel(new NumberModel(BigDecimal.TEN, log),
				new NumberModel(BigDecimal.ONE, log),
				new NumberModel(BigDecimal.ONE, log), log);
	}

	@Test
	public void testIllegal12() {
		NumberValueSetModel n = new NumberValueSetModel(log);
		// change low above high must log problem
		n.getLow().setValue(BigDecimal.valueOf(20));
		verify(log, times(1)).log(any(), any());
	}

	@Test(expected = IllegalStateException.class)
	public void testIllegal3() {
		NumberValueSetModel model = new NumberValueSetModel(
				new NumberModel(BigDecimal.TEN, log),
				new NumberModel(BigDecimal.ONE, log),
				new NumberModel(BigDecimal.ONE, log), log);
		model.getLow().setValue(BigDecimal.valueOf(20));
	}

	@Test
	public void testLowIncrease() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(BigDecimal.ZERO, log),
				new NumberModel(BigDecimal.TEN, log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(
				new Range(BigDecimal.ONE, BigDecimal.TEN, BigDecimal.ONE));
		set.setCurrentValue(v);

	}

	@Test
	public void testHighDecrease() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(BigDecimal.ZERO, log),
				new NumberModel(BigDecimal.TEN, log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(
				new Range(BigDecimal.ZERO, BigDecimal.ONE, BigDecimal.ONE));
		set.setCurrentValue(v);

	}

	@Test
	public void testIncreaseBoth() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(BigDecimal.ZERO, log),
				new NumberModel(BigDecimal.ONE, log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(
				new Range(BigDecimal.ONE, BigDecimal.TEN, BigDecimal.ONE));
		set.setCurrentValue(v);
	}

	@Test
	public void testIncreaseBothMuch() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(BigDecimal.ZERO, log),
				new NumberModel(BigDecimal.ONE, log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(new Range(new BigDecimal("20"),
				new BigDecimal("80"), BigDecimal.ONE));
		set.setCurrentValue(v);
	}

	@Test
	public void testDecreaseBoth() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(BigDecimal.ONE, log),
				new NumberModel(BigDecimal.TEN, log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(
				new Range(BigDecimal.ZERO, BigDecimal.ONE, BigDecimal.ONE));
		set.setCurrentValue(v);
	}

	@Test
	public void testDecreaseBothMuch() {
		NumberValueSetModel set = new NumberValueSetModel(
				new NumberModel(new BigDecimal("20"), log),
				new NumberModel(new BigDecimal("80"), log),
				new NumberModel(BigDecimal.ONE, log), log);
		ValueSet v = new NumberValueSet(
				new Range(BigDecimal.ZERO, BigDecimal.ONE, BigDecimal.ONE));
		set.setCurrentValue(v);
	}

}