import com.google.gson.Gson;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;
import org.mineacademy.fo.SerializeUtil;

import java.lang.reflect.Type;
import java.util.*;

public class ConvertJson {


    public static <T> String convertToJsonList(String key, List<T> arrayList) {
        Map<String, List<String>> maps = new HashMap<>();
        Gson gson = new Gson();
        List<String> serilizedList = new ArrayList<>();
        if (arrayList != null)
            for (T list : arrayList) {
                if (list instanceof Location)
                    serilizedList.add(SerializeUtil.serializeLoc((Location) list));
                if (list instanceof UUID)
                    serilizedList.add(String.valueOf(list));

            }
        maps.put(key, serilizedList);

        return gson.toJson(maps);
    }

    public static <T> ArrayList<T> convertFromJsonList(Class<T> classof, String Inputmap) {
        ArrayList<T> arrayList = new ArrayList<>();
        Gson gson = new Gson();
        final Map<String, List<Object>> map = gson.fromJson(Inputmap, (Type) Map.class);
        if (map != null) {
            Map<String, List<Object>> mapList = new HashMap<>(map);
            for (Map.Entry<String, List<Object>> entry : mapList.entrySet())
                for (Object deserilizedList : entry.getValue()) {

                    if (classof == Location.class && isLocation(deserilizedList) != null)
                        arrayList.add((T) isLocation(deserilizedList));
                    if (classof == UUID.class)
                        arrayList.add((T) UUID.fromString(deserilizedList.toString()));
                }
        }
        return arrayList;
    }

    public static Location isLocation(Object raw) {
        String[] parts;
        if (!raw.toString().contains(" "))
            return null;
        else {
            int length = (parts = raw.toString().split(" ")).length;
            if (length == 4) {
                final String world = parts[0];
                final World bukkitWorld = Bukkit.getWorld(world);
                if (bukkitWorld == null)
                    return null;
                if (!parts[1].matches("[-+]?\\d+") && !parts[2].matches("[-+]?\\d+") && !parts[3].matches("[-+]?\\d+"))
                    return null;
                else {
                    int x = Integer.parseInt(parts[1]), y = Integer.parseInt(parts[2]), z = Integer.parseInt(parts[3]);
                    return new Location(bukkitWorld, x, y, z);
                }
            }
        }
        return null;
    }
}