package org.leumasjaffe.recipe.view;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.platform.runner.JUnitPlatform;
import org.junit.runner.RunWith;
import org.leumasjaffe.mock.MockObserverListener;
import org.leumasjaffe.observer.ObserverDispatch;
import org.leumasjaffe.recipe.model.Amount;
import org.leumasjaffe.recipe.model.Ingredient;
import org.mockito.Spy;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)
@RunWith(JUnitPlatform.class)
class IngredientPanelTest extends SwingTestCase {
	@Spy MockObserverListener listener;
	Ingredient stuff;
	IngredientPanel panel;
	
	@BeforeEach
	void setUp() {
		stuff = new Ingredient("Onions", "Sliced", new Amount("100 g"));
		panel = new IngredientPanel(stuff);
		listener.setObserved(stuff);
		// setObserved invokes our callback.
		clearInvocations(listener);
	}

	@Test
	void testFilledOutWithContent() {
		assertEquals("Onions", panel.getTxtName().getText());
		assertEquals("Sliced", panel.getTxtPreparation().getText());
		assertEquals("100", panel.getTxtAmount().getText());
		assertEquals("g", panel.getTxtUnit().getText());
	}
	
	@Test
	void testContentIsEditable() {
		assertTrue(panel.getTxtName().isEditable());
		assertTrue(panel.getTxtPreparation().isEditable());
		assertTrue(panel.getTxtAmount().isEditable());
		assertTrue(panel.getTxtUnit().isEditable());
	}

	@Test
	void testIsSubscribedToUpdates() {
		stuff.setName("Bacon");
		stuff.setPreparation("Cut into Lardons");
		stuff.setAmount(new Amount("0.25 lb"));
		
		assertEquals("Onions", panel.getTxtName().getText());
		ObserverDispatch.notifySubscribers(stuff);
		
		assertEquals("Bacon", panel.getTxtName().getText());
		assertEquals(100.0, panel.getTxtAmount().getValue());
		assertEquals("g", panel.getTxtUnit().getText());
		assertEquals("Cut into Lardons", panel.getTxtPreparation().getText());
	}

	@Test
	void testViewUpdateToNameAltersModel() {
		panel.getTxtName().setText("Bacon");
		waitForSwing();
		assertEquals("Bacon", stuff.getName());
	}
	
	@Test
	void testViewUpdateToPreparationAltersModel() {
		panel.getTxtPreparation().setText("Cut into Lardons");
		waitForSwing();
		assertEquals("Cut into Lardons", stuff.getPreparation());
	}
	
	@Test
	void testViewUpdateToAmountDoesNotAltersModel() {
		panel.getTxtAmount().setValue(0.25);
		waitForSwing();
		assertEquals(100.0, stuff.getAmount().getValue());
	}
	
	@Test
	void testViewUpdateToUnitDoesNotAltersModel() {
		panel.getTxtUnit().setText("lb");
		waitForSwing();
		assertEquals("g", stuff.getAmount().unitName());
	}

	@Test
	void testUpdateToNameSendsNotify() {
		panel.getTxtName().setText("Bacon");
		waitForSwing();
		verify(listener).updateWasSignalled();
	}
	
	@Test
	void testUpdateToPreparationSendsNotify() {
		panel.getTxtPreparation().setText("Cut into Lardons");
		waitForSwing();
		verify(listener).updateWasSignalled();
	}

	@Test
	void testUpdateToAmountSendsNotify() {
		panel.getTxtAmount().setValue(0.25);
		waitForSwing();
		verify(listener, never()).updateWasSignalled();
	}
	
	@Test
	void testUpdateToUnitSendsNotify() {
		panel.getTxtUnit().setText("lb");
		waitForSwing();
		verify(listener, never()).updateWasSignalled();
	}

}