package net.shadowfacts.cacao.view.button

import net.shadowfacts.cacao.CacaoScreen
import net.shadowfacts.cacao.Window
import net.shadowfacts.cacao.geometry.Point
import net.shadowfacts.cacao.geometry.Rect
import net.shadowfacts.cacao.util.MouseButton
import net.shadowfacts.cacao.view.View
import net.shadowfacts.cacao.viewcontroller.ViewController
import net.shadowfacts.kiwidsl.dsl
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.BeforeAll
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import java.util.concurrent.CompletableFuture

/**
 * @author shadowfacts
 */
class EnumButtonTests {

	companion object {
		@BeforeAll
		@JvmStatic
		fun setupAll() {
			System.setProperty("cacao.drawing.disabled", "true")
		}
	}

	enum class MyEnum {
		ONE, TWO, THREE
	}

	lateinit var screen: CacaoScreen
	lateinit var window: Window
	lateinit var viewController: ViewController
	lateinit var button: EnumButton<MyEnum>

	@BeforeEach
	fun setup() {
		screen = CacaoScreen()
		viewController = object: ViewController() {
			override fun loadView() {
				view = View(Rect(0.0, 0.0, 1000.0, 1000.0))
			}
		}
		window = screen.addWindow(Window(viewController))
		button = viewController.view.addSubview(EnumButton(MyEnum.ONE, MyEnum::name))
		window.solver.dsl {
			button.leftAnchor equalTo 0
			button.topAnchor equalTo 0
			button.widthAnchor equalTo 25
			button.heightAnchor equalTo 25
		}
		window.layout()
	}

	@Test
	fun testHandlerCalled() {
		val called = CompletableFuture<Boolean>()
		button.handler = {
			called.complete(true)
		}

		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.LEFT))
		assertTrue(called.getNow(false))
		assertEquals(MyEnum.TWO, button.value)
	}

	@Test
	fun testCyclesValues() {
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.LEFT))
		assertEquals(MyEnum.TWO, button.value)
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.LEFT))
		assertEquals(MyEnum.THREE, button.value)
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.LEFT))
		assertEquals(MyEnum.ONE, button.value)
	}

	@Test
	fun testCyclesValuesBackwards() {
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.LEFT))
		assertEquals(MyEnum.TWO, button.value)
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.RIGHT))
		assertEquals(MyEnum.ONE, button.value)
	}

	@Test
	fun testMiddleClickDoesNotChangeValue() {
		assertTrue(window.mouseClicked(Point(5.0, 5.0), MouseButton.MIDDLE))
		assertEquals(MyEnum.ONE, button.value)
	}

}