/*
 * Minosoft
 * Copyright (C) 2020-2022 Moritz Zwerger
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * This software is not affiliated with Mojang AB, the original developer of Minecraft.
 */

package de.bixilon.minosoft.gui.eros.main.play.server.card

import de.bixilon.kutil.collections.CollectionUtil.synchronizedMapOf
import de.bixilon.kutil.collections.CollectionUtil.synchronizedSetOf
import de.bixilon.kutil.collections.map.SynchronizedMap
import de.bixilon.minosoft.config.profile.profiles.eros.server.entries.Server
import de.bixilon.minosoft.data.accounts.Account
import de.bixilon.minosoft.modding.event.invoker.EventInvoker
import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
import de.bixilon.minosoft.protocol.network.connection.status.StatusConnection

class ServerCard(
    val server: Server,
) {
    val ping: StatusConnection = StatusConnection(server.address, if (server.queryVersion) null else server.forcedVersion)
    val connections: MutableSet<PlayConnection> = synchronizedSetOf()
    private var pinged = false

    var statusReceiveInvoker: EventInvoker? = null
        set(value) {
            field = value
            ping.registerEvent(value ?: return)
        }
    var statusErrorInvoker: EventInvoker? = null
        set(value) {
            field = value
            ping.registerEvent(value ?: return)
        }
    var pongInvoker: EventInvoker? = null
        set(value) {
            field = value
            ping.registerEvent(value ?: return)
        }

    init {
        CARDS[server] = this
    }


    fun unregister() {
        statusReceiveInvoker?.let { statusReceiveInvoker = null; ping.unregisterEvent(it) }
        statusErrorInvoker?.let { statusErrorInvoker = null; ping.unregisterEvent(it) }
        pongInvoker?.let { pongInvoker = null; ping.unregisterEvent(it) }
    }

    @Synchronized
    fun ping() {
        if (pinged) {
            return
        }
        ping.ping()
        pinged = true
    }


    fun canConnect(account: Account): Boolean {
        if (server in account.connections) {
            return false
        }
        if (server.forcedVersion == null && ping.serverVersion == null) {
            return false
        }
        return true
    }


    companion object {
        val CARDS: SynchronizedMap<Server, ServerCard> = synchronizedMapOf()
    }
}
