package org.ntlab.radishforandroidstudio.cactusClient.models.instance;


import net.arnx.jsonic.JSONHint;

import org.ntlab.radishforandroidstudio.cactusClient.models.model.Entity;
import org.ntlab.radishforandroidstudio.framework.model3D.Position3D;

import java.util.HashSet;

public class Area extends Entity {
    private String name;
    private Plain[] region; // 任意個の平面の方程式
    private HashSet<Allowed> permissions; // エリア内で可能なことの羅列
    @JSONHint(ignore = true)
    public static final int UNIQUE_ID_LENGTH = 12;

    @SuppressWarnings("unused")
    private Area() {
        // JSONDecode時の呼び出し用
    }

    public Area(String name, Plain[] region, HashSet<Allowed> permissions) {
        setName(name);
        setRegion(region);
        setPermissions(permissions);
    }

    public String getName() {
        return name;
    }

    public Plain[] getRegion() {
        return region;
    }

    public Plain getPlain(int index) {
        return region[index];
    }

    public HashSet<Allowed> getPermissions() {
        return permissions;
    }

    public boolean isPermission(Allowed allowed) {
        return permissions.contains(allowed);
    }

    public boolean isSurroundingPosition(Position3D position) {
        for (Plain plain : region) {
            // ここで Plainのa,b,c,d と Characterのx,y,z を用いて, キャラクターが平面の裏にいるかどうかの判定を行う
            double equation = (plain.getA() * position.getX()) + (plain.getB() * position.getY())
                    + (plain.getC() * position.getZ()) + plain.getD();
            if (equation > 0) {
                return false;
            }
        }
        return true;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setRegion(Plain[] region) {
        this.region = region;
    }

    public void setPermissions(HashSet<Allowed> permissions) {
        this.permissions = permissions;
    }

    public void addPermission(Allowed allowed) {
        permissions.add(allowed);
    }

    public void removePermission(Allowed allowed) {
        permissions.remove(allowed);
    }

    public static enum Allowed {
        SHOOT, KILL;
    }
}