/*
 * Copyright 2016 dorkbox, llc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright (c) 2008, Nathan Sweet
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the distribution.
 * - Neither the name of Esoteric Software nor the names of its contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package dorkboxTest.network.rmi

import dorkbox.netUtil.IPv4
import dorkbox.netUtil.IPv6
import dorkbox.network.Client
import dorkbox.network.Configuration
import dorkbox.network.Server
import dorkbox.network.connection.Connection
import dorkboxTest.network.BaseTest
import dorkboxTest.network.rmi.cows.MessageWithTestCow
import dorkboxTest.network.rmi.cows.TestCow
import dorkboxTest.network.rmi.cows.TestCowImpl
import kotlinx.coroutines.runBlocking
import org.junit.Assert
import org.junit.Test

class RmiSimpleTest : BaseTest() {

    @Test
    fun rmiIPv4NetworkGlobal() {
        rmiGlobal(isIpv4 = true, isIpv6 = false) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiIPv6NetworkGlobal() {
        rmiGlobal(isIpv4 = true, isIpv6 = false) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiBothIPv4ConnectNetworkGlobal() {
        rmiGlobal(isIpv4 = true, isIpv6 = true) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiBothIPv6ConnectNetworkGlobal() {
        rmiGlobal(isIpv4 = true, isIpv6 = true, runIpv4Connect = true) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiIPv4NetworkConnection() {
        rmi(isIpv4 = true, isIpv6 = false) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiIPv6NetworkConnection() {
        rmi(isIpv4 = false, isIpv6 = true) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiBothIPv4ConnectNetworkConnection() {
        rmi(isIpv4 = true, isIpv6 = true) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }


    @Test
    fun rmiBothIPv6ConnectNetworkConnection() {
        rmi(isIpv4 = true, isIpv6 = true, runIpv4Connect = true) { configuration ->
            configuration.enableIpcForLoopback = false
        }
    }

    @Test
    fun rmiIpcNetworkGlobal() {
        rmiGlobal()
    }

    @Test
    fun rmiIpcNetworkConnection() {
        rmi()
    }

    fun rmi(isIpv4: Boolean = false, isIpv6: Boolean = false, runIpv4Connect: Boolean = true, config: (Configuration) -> Unit = {}) {
        run {
            val configuration = serverConfig()
            configuration.enableIPv4 = isIpv4
            configuration.enableIPv6 = isIpv6
            config(configuration)

            configuration.serialization.registerRmi(TestCow::class.java, TestCowImpl::class.java)
            configuration.serialization.register(MessageWithTestCow::class.java)
            configuration.serialization.register(UnsupportedOperationException::class.java)


            val server = Server<Connection>(configuration)
            addEndPoint(server)
            server.bind()

            server.onMessage<MessageWithTestCow> { connection, m ->
                server.logger.error("Received finish signal for test for: Client -> Server")
                val `object` = m.testCow
                val id = `object`.id()
                Assert.assertEquals(23, id.toLong())
                server.logger.error("Finished test for: Client -> Server")


                server.logger.error("Starting test for: Server -> Client")
                // NOTE: THIS IS BI-DIRECTIONAL!
                connection.createObject<TestCow>(123) {
                    server.logger.error("Running test for: Server -> Client")
                    RmiCommonTest.runTests(connection, this, 123)
                    server.logger.error("Done with test for: Server -> Client")
                }
            }
        }

        run {
            val configuration = clientConfig()
            config(configuration)
//            configuration.serialization.registerRmi(TestCow::class.java, TestCowImpl::class.java)

            val client = Client<Connection>(configuration)
            addEndPoint(client)

            client.onConnect { connection ->
                connection.createObject<TestCow>(23) {
                    client.logger.error("Running test for: Client -> Server")
                    RmiCommonTest.runTests(connection, this, 23)
                    client.logger.error("Done with test for: Client -> Server")
                }
            }

            client.onMessage<MessageWithTestCow> { _, m ->
                client.logger.error("Received finish signal for test for: Client -> Server")
                val `object` = m.testCow
                val id = `object`.id()
                Assert.assertEquals(123, id.toLong())
                client.logger.error("Finished test for: Client -> Server")
                stopEndPoints(2000)
            }

            runBlocking {
                when {
                    isIpv4 && isIpv6 && runIpv4Connect -> client.connect(IPv4.LOCALHOST)
                    isIpv4 && isIpv6 && !runIpv4Connect -> client.connect(IPv6.LOCALHOST)
                    isIpv4 -> client.connect(IPv4.LOCALHOST)
                    isIpv6 -> client.connect(IPv6.LOCALHOST)
                    else -> client.connect()
                }
            }
        }

        waitForThreads()
    }

    fun rmiGlobal(isIpv4: Boolean = false, isIpv6: Boolean = false, runIpv4Connect: Boolean = true, config: (Configuration) -> Unit = {}) {
        run {
            val configuration = serverConfig()
            configuration.enableIPv4 = isIpv4
            configuration.enableIPv6 = isIpv6
            config(configuration)

            configuration.serialization.registerRmi(TestCow::class.java, TestCowImpl::class.java)
            configuration.serialization.register(MessageWithTestCow::class.java)
            configuration.serialization.register(UnsupportedOperationException::class.java)

            // for Client -> Server RMI
            configuration.serialization.registerRmi(TestCow::class.java, TestCowImpl::class.java)

            val server = Server<Connection>(configuration)
            addEndPoint(server)
            server.bind()

            server.onMessage<MessageWithTestCow> { connection, m ->
                server.logger.error("Received finish signal for test for: Client -> Server")

                val `object` = m.testCow
                val id = `object`.id()

                Assert.assertEquals(44, id.toLong())

                server.logger.error("Finished test for: Client -> Server")

                // normally this is in the 'connected', but we do it here, so that it's more linear and easier to debug
                connection.createObject<TestCow>(4) {
                    server.logger.error("Running test for: Server -> Client")
                    RmiCommonTest.runTests(connection, this, 4)
                    server.logger.error("Done with test for: Server -> Client")
                }
            }
        }

        run {
            val configuration = clientConfig()
            config(configuration)
//            configuration.serialization.registerRmi(TestCow::class.java, TestCowImpl::class.java)

            val client = Client<Connection>(configuration)
            addEndPoint(client)

            client.onMessage<MessageWithTestCow> { _, m ->
                client.logger.error("Received finish signal for test for: Client -> Server")
                val `object` = m.testCow
                val id = `object`.id()
                Assert.assertEquals(4, id.toLong())
                client.logger.error("Finished test for: Client -> Server")
                stopEndPoints(2000)
            }

            runBlocking {
                when {
                    isIpv4 && isIpv6 && runIpv4Connect -> client.connect(IPv4.LOCALHOST)
                    isIpv4 && isIpv6 && !runIpv4Connect -> client.connect(IPv6.LOCALHOST)
                    isIpv4 -> client.connect(IPv4.LOCALHOST)
                    isIpv6 -> client.connect(IPv6.LOCALHOST)
                    else -> client.connect()
                }

                client.logger.error("Starting test for: Client -> Server")

                // this creates a GLOBAL object on the server (instead of a connection specific object)
                client.createObject<TestCow>(44) {
                    client.logger.error("Running test for: Client -> Server")
                    RmiCommonTest.runTests(client.connection, this, 44)
                    client.logger.error("Done with test for: Client -> Server")
                }
            }
        }

        waitForThreads()
    }
}