package eu.crushedpixel.replaymod.registry;

import com.google.common.base.Predicate;
import eu.crushedpixel.replaymod.entities.CameraEntity;
import eu.crushedpixel.replaymod.gui.GuiPlayerOverview;
import eu.crushedpixel.replaymod.holders.PlayerVisibility;
import eu.crushedpixel.replaymod.replay.ReplayHandler;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;

import java.util.*;

public class PlayerHandler {

    private static Minecraft mc = Minecraft.getMinecraft();

    private static Predicate<EntityPlayer> playerPredicate = new Predicate<EntityPlayer>() {
        @Override
        public boolean apply(EntityPlayer input) {
            return !(input instanceof CameraEntity || input == mc.thePlayer);
        }
    };

    private static Set<UUID> hidden = new HashSet<UUID>();

    public static void hidePlayer(EntityPlayer player) {
        hidden.remove(player.getUniqueID());
        hidden.add(player.getUniqueID());
    }

    public static void showPlayer(EntityPlayer player) {
        hidden.remove(player.getUniqueID());
    }

    public static void setIsVisible(EntityPlayer player, boolean visible) {
        if(visible) showPlayer(player);
        else hidePlayer(player);
    }

    public static void loadPlayerVisibilityConfiguration(PlayerVisibility visibility) {
        resetHiddenPlayers();
        if(visibility != null) {
            GuiPlayerOverview.defaultSave = true;
            Collections.addAll(hidden, visibility.getHidden());
        } else {
            GuiPlayerOverview.defaultSave = false;
        }
    }

    public static Set<UUID> getHiddenPlayers() {
        return hidden;
    }

    public static boolean isHidden(UUID uuid) {
        return hidden.contains(uuid);
    }

    public static void resetHiddenPlayers() {
        hidden.clear();
    }

    public static void openPlayerOverview() {
        if(!ReplayHandler.isInReplay()) {
            return;
        }

        @SuppressWarnings("unchecked")
        List<EntityPlayer> players = mc.theWorld.getEntities(EntityPlayer.class, playerPredicate);
        mc.displayGuiScreen(new GuiPlayerOverview(players));
    }
}