package net.knarcraft.dynmapcitizens.handler.trait;

import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.trait.Trait;
import net.knarcraft.dynmapcitizens.DynmapCitizens;
import net.knarcraft.dynmapcitizens.property.Icon;
import net.knarcraft.dynmapcitizens.property.UpdateRate;
import net.knarcraft.minstrel.MinstrelPlugin;
import net.knarcraft.minstrel.music.Song;
import net.knarcraft.minstrel.trait.MinstrelTrait;
import org.bukkit.Bukkit;
import org.dynmap.DynmapAPI;
import org.dynmap.markers.GenericMarker;
import org.dynmap.markers.MarkerSet;

import java.util.logging.Level;

/**
 * A handler class for the minstrel trait
 */
public class MinstrelHandler extends AbstractTraitHandler {

    private MarkerSet minstrelSet;

    @Override
    public void initialize() {
        MinstrelPlugin minstrelPlugin = (MinstrelPlugin) Bukkit.getServer().getPluginManager().getPlugin("Minstrel");
        DynmapAPI dynmapAPI = DynmapCitizens.getInstance().getDynmapAPI();
        if (minstrelPlugin != null) {
            minstrelSet = getMarkerSet(dynmapAPI, "minstrels", "Minstrels");
            if (minstrelSet != null) {
                minstrelSet.setHideByDefault(false);
                minstrelSet.setLayerPriority(3);
                isEnabled = true;
                return;
            }
        }
        isEnabled = false;
    }

    @Override
    public UpdateRate getUpdateRate() {
        return UpdateRate.VERY_SLOW;
    }

    @Override
    public void updateMarkers() {
        //Remove existing markers
        minstrelSet.getMarkers().forEach(GenericMarker::deleteMarker);

        Class<? extends Trait> minstrelTrait = CitizensAPI.getTraitFactory().getTraitClass("minstrel");
        for (NPC npc : CitizensAPI.getNPCRegistry()) {
            if (npc.hasTrait(minstrelTrait)) {
                MinstrelTrait trait = npc.getTraitNullable(MinstrelTrait.class);
                String description = null;
                if (trait == null) {
                    DynmapCitizens.getInstance().getLogger().log(Level.WARNING, "Unable to get minstrel trait");
                } else {
                    description = getDetailedMinstrelInfo(npc, trait);
                }
                addNPCMarker(npc.getUniqueId(), "Minstrel NPC: ", description,
                        DynmapCitizens.getInstance().getMarkerIcons().get(Icon.MINSTREL), minstrelSet);
            }
        }
    }

    /**
     * Gets detailed information about a minstrel NPC
     *
     * @param npc   <p>The NPC the settings belong to</p>
     * @param trait <p>The minstrel trait to get information from</p>
     * @return <p>A string describing the minstrel</p>
     */
    private String getDetailedMinstrelInfo(NPC npc, MinstrelTrait trait) {
        StringBuilder info = new StringBuilder("<h2>" + npc.getName() + "</h2>");
        info.append("<b>Songs:</b><ul>");
        for (Song song : trait.getPlaylist().getSongs()) {
            info.append("<li>Category: ").append(song.getCategory()).append("<br>Sound: ").append(song.getSound()).append("</li>");
        }
        info.append("</ul>");
        return info.toString();
    }

}