package mod.sin.wyvern;

import com.wurmonline.mesh.Tiles;
import com.wurmonline.server.Server;
import com.wurmonline.server.creatures.Creature;
import com.wurmonline.server.creatures.Creatures;
import com.wurmonline.server.villages.Village;
import com.wurmonline.server.villages.Villages;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.NotFoundException;
import javassist.bytecode.Descriptor;
import mod.sin.creatures.Reaper;
import mod.sin.creatures.SpectralDrake;
import mod.sin.creatures.WyvernBlue;
import mod.sin.lib.Util;
import org.gotti.wurmunlimited.modloader.classhooks.HookException;
import org.gotti.wurmunlimited.modloader.classhooks.HookManager;

import java.util.ArrayList;
import java.util.logging.Logger;

public class RareSpawns {
    public static Logger logger = Logger.getLogger(RareSpawns.class.getName());

    public static boolean isRareCreature(int templateId){
        if(templateId == SpectralDrake.templateId){
            return true;
        }else if(templateId == Reaper.templateId){
            return true;
        }
        return false;
    }
    public static boolean isRareCreature(Creature creature){
        return isRareCreature(creature.getTemplate().getTemplateId());
    }

    public static void spawnRandomLocationCreature(int templateId){
        boolean found = false;
        int spawnX = 2048;
        int spawnY = 2048;
        while(!found){
            int x = Server.rand.nextInt(Server.surfaceMesh.getSize());
            int y = Server.rand.nextInt(Server.surfaceMesh.getSize());
            short height = Tiles.decodeHeight(Server.surfaceMesh.getTile(x, y));
            if(height > 0 && height < 1000 && Creature.getTileSteepness(x, y, true)[1] < 30){
                Village v = Villages.getVillage(x, y, true);
                if (v == null) {
                    for (int vx = -50; vx < 50; vx += 5) {
                        for (int vy = -50; vy < 50 && (v = Villages.getVillage(x + vx, y + vy, true)) == null; vy += 5) {
                        }
                        if(v != null){
                            break;
                        }
                    }
                }
                if(v != null){
                    continue;
                }
                spawnX = x*4;
                spawnY = y*4;
                found = true;
            }
        }
        try {
            logger.info("Spawning new rare creature at "+(spawnX*0.25f)+", "+(spawnY*0.25f));
            Creature.doNew(templateId, spawnX, spawnY, 360f*Server.rand.nextFloat(), 0, "", Server.rand.nextBoolean() ? (byte) 0 : (byte) 1);
        } catch (Exception e) {
            logger.severe("Failed to create Rare Spawn.");
            e.printStackTrace();
        }
    }

    public static ArrayList<Creature> rares = new ArrayList<>();
    public static void pollRareSpawns(){
        Creature[] crets = Creatures.getInstance().getCreatures();
        for(Creature c : crets){
            if(isRareCreature(c) && !rares.contains(c)){
                rares.add(c);
                logger.info("Existing rare spawn identified ("+c.getName()+"). Adding to rares list.");
            }
        }
        int i = 0;
        while(i < rares.size()){
            if(rares.get(i).isDead()){
                rares.remove(rares.get(i));
                logger.info("Rare spawn was found dead ("+rares.get(i).getName()+"). Removing from rares list.");
            }else{
                i++;
            }
        }
        if(rares.isEmpty()){
            logger.info("No rare spawn was found. Spawning a new one.");
            int[] rareTemplates = {Reaper.templateId, SpectralDrake.templateId};
            int rareTemplateId = rareTemplates[Server.rand.nextInt(rareTemplates.length)];
            spawnRandomLocationCreature(rareTemplateId);
            if(WyvernBlue.templateId > 0) {
                spawnRandomLocationCreature(WyvernBlue.templateId);
            }
        }
    }
}