ASMR/src/test/kotlin/net/shadowfacts/cacao/view/ViewClickTests.kt

package net.shadowfacts.cacao.view

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.viewcontroller.ViewController
import org.junit.jupiter.api.Assertions.*
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import java.util.concurrent.CompletableFuture

/**
 * @author shadowfacts
 */
class ViewClickTests {

	lateinit var screen: CacaoScreen
	lateinit var window: Window
	lateinit var viewController: ViewController

	val view: View
		get() = viewController.view

	@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))
	}

	@Test
	fun testClickInsideRootView() {
		val mouse = CompletableFuture<Point>()
		view.addSubview(object: View(Rect(50.0, 50.0, 100.0, 100.0)) {
			override fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
				mouse.complete(point)
				return true
			}
		})
		assertTrue(window.mouseClicked(Point(75.0, 75.0), MouseButton.LEFT))

		assertEquals(Point(25.0, 25.0), mouse.getNow(null))
	}

	@Test
	fun testClickOutsideRootView() {
		val clicked = CompletableFuture<Boolean>()
		view.addSubview(object: View(Rect(50.0, 50.0, 100.0, 100.0)) {
			override fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
				clicked.complete(true)
				return true
			}
		})
		assertFalse(window.mouseClicked(Point(25.0, 25.0), MouseButton.LEFT))

		assertFalse(clicked.getNow(false))
	}

	@Test
	fun testClickInsideNestedView() {
		val mouse = CompletableFuture<Point>()
		val root = view.addSubview(View(Rect(50.0, 50.0, 100.0, 100.0)))
		root.addSubview(object: View(Rect(25.0, 25.0, 50.0, 50.0)) {
			override fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
				mouse.complete(point)
				return true
			}
		})
		assertTrue(window.mouseClicked(Point(100.0, 100.0), MouseButton.LEFT))

		assertEquals(Point(25.0, 25.0), mouse.getNow(null))
	}

	@Test
	fun testClickOutsideNestedView() {
		val clicked = CompletableFuture<Boolean>()
		val root = view.addSubview(View(Rect(50.0, 50.0, 100.0, 100.0)))
		root.addSubview(object: View(Rect(25.0, 25.0, 50.0, 50.0)) {
			override fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
				clicked.complete(true)
				return true
			}
		})
		assertFalse(window.mouseClicked(Point(0.0, 0.0), MouseButton.LEFT))

		assertFalse(clicked.getNow(false))
	}

}