/*
 * Copyright 2014-2019 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
 */

package io.ktor.client.engine.android

import io.ktor.application.*
import io.ktor.client.*
import io.ktor.client.engine.*
import io.ktor.client.request.*
import io.ktor.client.statement.*
import io.ktor.client.tests.utils.*
import io.ktor.http.*
import io.ktor.network.tls.certificates.*
import io.ktor.network.tls.extensions.*
import io.ktor.response.*
import io.ktor.routing.*
import io.ktor.server.engine.*
import io.ktor.server.netty.*
import io.ktor.util.*
import kotlinx.coroutines.*
import org.junit.*
import java.io.*
import java.security.*
import javax.net.ssl.*
import kotlin.test.*
import kotlin.test.Test

class AndroidHttpsTest : TestWithKtor() {
    override val server: ApplicationEngine = embeddedServer(Netty, applicationEngineEnvironment {
        sslConnector(keyStore, "sha256ecdsa", { "changeit".toCharArray() }, { "changeit".toCharArray() }) {
            port = serverPort
            keyStorePath = keyStoreFile.absoluteFile

            module {
                routing {
                    get("/") {
                        call.respondText("Hello, world")
                    }
                }
            }
        }
    })

    companion object {
        val keyStoreFile = File("build/temp.jks")
        lateinit var keyStore: KeyStore
        lateinit var sslContext: SSLContext
        private lateinit var x509TrustManager: X509TrustManager

        @BeforeClass
        @JvmStatic
        fun setupAll() {
            keyStore = buildKeyStore {
                certificate("sha384ecdsa") {
                    hash = HashAlgorithm.SHA384
                    sign = SignatureAlgorithm.ECDSA
                    keySizeInBits = 384
                    password = "changeit"
                }
                certificate("sha256ecdsa") {
                    hash = HashAlgorithm.SHA256
                    sign = SignatureAlgorithm.ECDSA
                    keySizeInBits = 256
                    password = "changeit"
                }
                certificate("sha384rsa") {
                    hash = HashAlgorithm.SHA384
                    sign = SignatureAlgorithm.RSA
                    keySizeInBits = 1024
                    password = "changeit"
                }
                certificate("sha1rsa") {
                    hash = HashAlgorithm.SHA1
                    sign = SignatureAlgorithm.RSA
                    keySizeInBits = 1024
                    password = "changeit"
                }
            }

            keyStore.saveToFile(keyStoreFile, "changeit")
            val tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
            tmf.init(keyStore)
            sslContext = SSLContext.getInstance("TLS")
            sslContext.init(null, tmf.trustManagers, null)
            x509TrustManager = tmf.trustManagers.first { it is X509TrustManager } as X509TrustManager
        }
    }

    @Test
    fun hello(): Unit = runBlocking {
        HttpClient(Android.config {
            sslManager = { conn ->
                conn.sslSocketFactory = sslContext.socketFactory
            }
        }).use { client ->
            val actual = client.get<String>("https://127.0.0.1:$serverPort/")
            assertEquals("Hello, world", actual)
        }
    }

    @Test
    fun external(): Unit = runBlocking {
        val client = HttpClient(Android)

        client.get<HttpStatement>("https://kotlinlang.org").execute { response ->
            assertEquals(HttpStatusCode.OK, response.status)
        }
    }

    @Test
    fun customDomainsTest() = testWithEngine(Android) {
        val domains = listOf(
            "https://www.google.com",
            "https://github.com",
            "https://www.wikipedia.org"
        )

        test { client ->
            domains.forEach { url ->
                client.get<String>(url)
            }
        }
    }
}
