package net.pterodactylus.sone.web.pages

import net.pterodactylus.sone.data.Album
import net.pterodactylus.sone.data.Image
import net.pterodactylus.sone.data.Image.Modifier
import net.pterodactylus.sone.data.Image.Modifier.ImageTitleMustNotBeEmpty
import net.pterodactylus.sone.data.Sone
import net.pterodactylus.sone.test.doThrow
import net.pterodactylus.sone.test.getInstance
import net.pterodactylus.sone.test.mock
import net.pterodactylus.sone.test.mockBuilder
import net.pterodactylus.sone.test.whenever
import net.pterodactylus.sone.web.baseInjector
import net.pterodactylus.util.web.Method.POST
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.equalTo
import org.hamcrest.Matchers.notNullValue
import org.junit.Before
import org.junit.Test
import org.mockito.Mockito.never
import org.mockito.Mockito.verify

/**
 * Unit test for [EditImagePage].
 */
class EditImagePageTest: WebPageTest(::EditImagePage) {

	private val image = mock<Image>()
	private val modifier = mockBuilder<Modifier>()
	private val sone = mock<Sone>()
	private val album = mock<Album>()

	@Before
	fun setupImage() {
		whenever(sone.isLocal).thenReturn(true)
		whenever(album.id).thenReturn("album-id")
		whenever(modifier.update()).thenReturn(image)
		whenever(image.sone).thenReturn(sone)
		whenever(image.album).thenReturn(album)
		whenever(image.modify()).thenReturn(modifier)
	}

	@Test
	fun `page returns correct path`() {
		assertThat(page.path, equalTo("editImage.html"))
	}

	@Test
	fun `page requires login`() {
	    assertThat(page.requiresLogin(), equalTo(true))
	}

	@Test
	fun `page returns correct title`() {
		whenever(l10n.getString("Page.EditImage.Title")).thenReturn("edit image page title")
	    assertThat(page.getPageTitle(soneRequest), equalTo("edit image page title"))
	}

	@Test
	fun `get request does not redirect`() {
		page.processTemplate(freenetRequest, templateContext)
	}

	@Test
	fun `post request with invalid image redirects to invalid page`() {
		setMethod(POST)
		verifyRedirect("invalid.html")
	}

	@Test
	fun `post request with valid image from non-local sone redirects to no permission page`() {
		setMethod(POST)
		whenever(sone.isLocal).thenReturn(false)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		verifyRedirect("noPermission.html")
	}

	@Test
	fun `post request with valid image and move left requested moves image left and redirects to return page`() {
		setMethod(POST)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		addHttpRequestPart("returnPage", "return.html")
		addHttpRequestPart("moveLeft", "true")
		verifyRedirect("return.html") {
			verify(album).moveImageUp(image)
			verify(core).touchConfiguration()
		}
	}

	@Test
	fun `post request with valid image and move right requested moves image right and redirects to return page`() {
		setMethod(POST)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		addHttpRequestPart("returnPage", "return.html")
		addHttpRequestPart("moveRight", "true")
		verifyRedirect("return.html") {
			verify(album).moveImageDown(image)
			verify(core).touchConfiguration()
		}
	}

	@Test
	fun `post request with valid image but only whitespace in the title redirects to empty image title page`() {
		setMethod(POST)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		addHttpRequestPart("returnPage", "return.html")
		addHttpRequestPart("title", "   ")
		whenever(modifier.update()).doThrow<ImageTitleMustNotBeEmpty>()
		verifyRedirect("emptyImageTitle.html") {
			verify(core, never()).touchConfiguration()
		}
	}

	@Test
	fun `post request with valid image title and description modifies image and redirects to reutrn page`() {
		setMethod(POST)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		addHttpRequestPart("returnPage", "return.html")
		addHttpRequestPart("title", "Title")
		addHttpRequestPart("description", "Description")
		verifyRedirect("return.html") {
			verify(modifier).setTitle("Title")
			verify(modifier).setDescription("Description")
			verify(modifier).update()
			verify(core).touchConfiguration()
		}
	}

	@Test
	fun `post request with image title and description modifies image with filtered description and redirects to return page`() {
		setMethod(POST)
		addImage("image-id", image)
		addHttpRequestPart("image", "image-id")
		addHttpRequestPart("returnPage", "return.html")
		addHttpRequestPart("title", "Title")
		addHttpRequestHeader("Host", "www.te.st")
		addHttpRequestPart("description", "Get http://www.te.st/KSK@GPL.txt")
		verifyRedirect("return.html") {
			verify(modifier).setTitle("Title")
			verify(modifier).setDescription("Get KSK@GPL.txt")
			verify(modifier).update()
			verify(core).touchConfiguration()
		}
	}

	@Test
	fun `page can be created by dependency injection`() {
		assertThat(baseInjector.getInstance<EditImagePage>(), notNullValue())
	}

}