package net.pterodactylus.sone.web.pages

import net.pterodactylus.sone.data.Profile
import net.pterodactylus.sone.data.Sone
import net.pterodactylus.sone.freenet.wot.OwnIdentity
import net.pterodactylus.sone.test.getInstance
import net.pterodactylus.sone.test.mock
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.contains
import org.hamcrest.Matchers.equalTo
import org.hamcrest.Matchers.notNullValue
import org.junit.Test
import org.mockito.ArgumentMatchers.anyString
import org.mockito.Mockito.verify

/**
 * Unit test for [CreateSonePage].
 */
class CreateSonePageTest : WebPageTest(::CreateSonePage) {

	private val localSones_ = listOf(
			createSone("local-sone1"),
			createSone("local-sone2"),
			createSone("local-sone3")
	)

	private fun createSone(id: String) = mock<Sone>().apply {
		whenever(this.id).thenReturn(id)
		whenever(profile).thenReturn(Profile(this))
	}

	private val ownIdentities_ = listOf(
			createOwnIdentity("own-id-1", "Sone"),
			createOwnIdentity("own-id-2", "Test", "Foo"),
			createOwnIdentity("own-id-3"),
			createOwnIdentity("own-id-4", "Sone")
	)

	private fun createOwnIdentity(id: String, vararg contexts: String) = mock<OwnIdentity>().apply {
		whenever(this.id).thenReturn(id)
		whenever(this.nickname).thenReturn(id)
		whenever(this.contexts).thenReturn(contexts.toSet())
		whenever(this.hasContext(anyString())).thenAnswer { invocation -> invocation.getArgument<String>(0) in contexts }
	}

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

	@Test
	fun `page does not require login`() {
		assertThat(page.requiresLogin(), equalTo(false))
	}

	private fun addExistingSones() {
		listOf(2, 0, 1).map { localSones_[it] }.forEach { addLocalSone(it.id, it) }
	}

	@Test
	@Suppress("UNCHECKED_CAST")
	fun `get request stores sorted list of local sones in template context`() {
		addExistingSones()
		page.processTemplate(freenetRequest, templateContext)
		assertThat(templateContext["sones"] as Collection<Sone>, contains(localSones_[0], localSones_[1], localSones_[2]))
	}

	private fun addExistingOwnIdentities() {
		listOf(2, 0, 3, 1).map { ownIdentities_[it] }.forEach { addOwnIdentity(it) }
	}

	@Test
	@Suppress("UNCHECKED_CAST")
	fun `get request stores sorted sones without sone context in the template context`() {
		addExistingOwnIdentities()
		page.processTemplate(freenetRequest, templateContext)
		assertThat(templateContext["identitiesWithoutSone"] as Collection<OwnIdentity>, contains(ownIdentities_[1], ownIdentities_[2]))
	}

	@Test
	fun `sone is created and logged in`() {
		addExistingOwnIdentities()
		setMethod(POST)
		addHttpRequestPart("identity", "own-id-3")
		val newSone = mock<Sone>()
		whenever(core.createSone(ownIdentities_[2])).thenReturn(newSone)
		verifyRedirect("index.html") {
			verify(webInterface).setCurrentSone(toadletContext, newSone)
		}
	}

	@Test
	fun `on invalid identity id a flag is set in the template context`() {
		setMethod(POST)
		addHttpRequestParameter("identity", "own-id-3")
		page.processTemplate(freenetRequest, templateContext)
		assertThat(templateContext["errorNoIdentity"], equalTo<Any>(true))
	}

	@Test
	fun `if sone is not created user is still redirected to index`() {
		addExistingOwnIdentities()
		setMethod(POST)
		addHttpRequestPart("identity", "own-id-3")
		whenever(core.createSone(ownIdentities_[2])).thenReturn(null)
		verifyRedirect("index.html") {
			verify(core).createSone(ownIdentities_[2])
			verify(webInterface).setCurrentSone(toadletContext, null)
		}
	}

	@Test
	fun `create sone is not shown in menu if full access is required but client doesn’t have full access`() {
		core.preferences.newRequireFullAccess = true
		assertThat(page.isEnabled(toadletContext), equalTo(false))
	}

	@Test
	fun `create sone is shown in menu if no sone is logged in`() {
		unsetCurrentSone()
		assertThat(page.isEnabled(toadletContext), equalTo(true))
	}

	@Test
	fun `create sone is shown in menu if a single sone exists`() {
		addLocalSone("local-sone", localSones_[0])
		assertThat(page.isEnabled(toadletContext), equalTo(true))
	}

	@Test
	fun `create sone is not shown in menu if more than one sone exists`() {
		addLocalSone("local-sone1", localSones_[0])
		addLocalSone("local-sone2", localSones_[1])
		assertThat(page.isEnabled(toadletContext), equalTo(false))
	}

	@Test
	fun `create sone is shown in menu if no sone is logged in and client has full access`() {
		core.preferences.newRequireFullAccess = true
		whenever(toadletContext.isAllowedFullAccess).thenReturn(true)
		unsetCurrentSone()
		assertThat(page.isEnabled(toadletContext), equalTo(true))
	}

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

}