package wtf.beatrice.limbomanager.listeners;

import org.bukkit.event.Cancellable;
import org.bukkit.event.Event;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.plugin.EventExecutor;
import org.reflections.Reflections;
import wtf.beatrice.limbomanager.LimboManager;

import java.util.Arrays;
import java.util.Set;
import java.util.stream.Collectors;

public class SuperListener implements Listener
{

    public void doStuff() {

        // search event classes
        Reflections reflections = new Reflections("org.bukkit");// change to also find custom events
        Set<Class<? extends Event>> eventClasses = reflections.getSubTypesOf(Event.class).stream().
                filter(clazz -> Arrays.stream(clazz.getDeclaredFields())
                        .anyMatch(field -> field.getType().getName().endsWith("HandlerList")))
                .collect(Collectors.toSet());
        LimboManager.getInstance().getLogger().info("Found " + eventClasses.size() + " available events!");
        LimboManager.getInstance().getLogger()
                .info(eventClasses.stream().map(Class::getName).collect(Collectors.joining(", ")));

        // register events
        EventExecutor eventExecutor = (listener, event) -> iGetCalledForEveryEvent(event);
        eventClasses.forEach(clazz -> LimboManager.getInstance().getServer().getPluginManager()
                .registerEvent(clazz, this, EventPriority.MONITOR, eventExecutor, LimboManager.getInstance()));
    }

    private final String[] dontLog = { "PlayerMoveEvent", "BlockFadeEvent", "BlockPhysicsEvent", "LeavesDecayEvent",
    "PlayerStatisticIncrementEvent", "PlayerRecipeDiscoverEvent", "PlayerArmSwingEvent", "BlockDropItemEvent",
    "BlockFertilizeEvent", "AsyncPlayerChatPreviewEvent", "ItemSpawnEvent", "InventoryOpenEvent", "BlockIgniteEvent"

    };

    private final String[] allowed = {"PlayerMoveEvent", "PlayerTeleportEvent", "ServerCommandEvent",
            "StandardPaperServerListPingEventImpl", "PlayerGameModeChangeEvent", "WorldUnloadEvent",
            "TimeSkipEvent", "PlayerToggleSprintEvent", "PlayerChatEvent", "AsyncPlayerChatEvent",
            "GenericGameEvent", "InventoryCreativeEvent", "PlayerItemHeldEvent", "PlayerInteractEvent",
            "BlockPlaceEvent", "BlockBreakEvent", "PlayerToggleSneakEvent", "PlayerKickEvent",
            "InventoryClickEvent", "PlayerDropItemEvent", "PlayerCommandPreprocessEvent",
            "BlockMultiPlaceEvent"

    };

    public void iGetCalledForEveryEvent(Event event) {

        if(Arrays.stream(allowed).noneMatch(allowed -> event.getEventName().equals(allowed))) {
            if(event instanceof Cancellable)
            {
                ((Cancellable) event).setCancelled(true);
            }
        }

        if (Arrays.stream(dontLog).anyMatch(ignored -> event.getEventName().equals(ignored))) {
            return;
        }

        if(event instanceof Cancellable)
        {
            if(Arrays.stream(allowed).noneMatch(allowed -> event.getEventName().equals(allowed))) {
                LimboManager.getInstance().getLogger().warning(event.getEventName() + " was called!");
            }
        }

    }

}