package cactusServer.entities;

import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import cactusServer.entities.Area.Allowed;
import cactusServer.entities.Object;
import cactusServer.utils.RandomStringGenerator;
import cactusServer.entities.Character;
import framework.model3D.Position3D;
import framework.physics.AngularVelocity3D;
import framework.physics.Velocity3D;
import net.arnx.jsonic.JSONHint;

/**
 * インスタンス
 * @author ryo isitani
 *
 */
public class Instance {
	private String name;
	private State state;
//	private StageModel stage;
	@JSONHint(ignore = true) private HashMap<String, Area> areaMap = new HashMap<>();
	@JSONHint(ignore = true) private HashMap<String, Object> objMap = new HashMap<>();
	@JSONHint(ignore = true) private HashMap<String, Character> characterMap = new HashMap<>();
	@JSONHint(ignore = true) private static final int UNIQUE_ID_LENGTH = 12;
	
	/**
	 * (引数は現時点での仮のもの)
	 * @param name インスタンス名
	 */
	public Instance(String name, State state) {
		this.name = name;
		this.state = state;
	}

	public String getName() {
		return name;
	}
	
	public State getState() {
		return state;
	}
	
	public Set<String> getAreaIdSet() {
		return areaMap.keySet();
	}
	
	public Area getArea(String areaId) {
		return areaMap.get(areaId);
	}
	
	public Set<String> getObjIdSet() {
		return objMap.keySet();
	}
	
	public Object getObject(String objId) {
		return objMap.get(objId);
	}
	
	public List<Character> getActiveCharacters() {
		List<Character> activeCharacterList = new ArrayList<>();
		for (Map.Entry<String, Character> entry : characterMap.entrySet()) {
			Character character = entry.getValue();
			if (character.isActive()) {
				activeCharacterList.add(character);
			}
		}
		return activeCharacterList;
	}
	
	public List<Character> getCharacters(String accountUniqueId) {
		List<Character> accountCharacterList = new ArrayList<>();
		for (Map.Entry<String, Character> entry : characterMap.entrySet()) {
			Character character = entry.getValue();
			URI accountURI = character.getAccountURI();
			if (accountUniqueId.equals("")) {
				// if文の条件にはaccountURIに含まれるaccountIdと引数のidとの照合が入る
				accountCharacterList.add(character);
			}
		}
		return accountCharacterList;
	}
	
	public Character getCharacter(String characterId) {
		return characterMap.get(characterId);
	}
	
	public void setName(String name) {
		this.name = name;
	}
	
	public void setState(State state) {
		this.state = state;
	}

	public Map<String, Area> createArea(String areaId, String name, Plain[] regions, HashSet<Allowed> permissions) {
		String id = RandomStringGenerator.generateUniqueString(UNIQUE_ID_LENGTH, RandomStringGenerator.ALPHA_NUMERIC, areaMap.keySet());
		Area area = new Area(name, regions, permissions);
		areaMap.put(id, area);
		return new HashMap<String, Area>() {
			{put(id, area);}
		};
	}
	
	public Map<String, Object> createObject(String objId, Position3D position, Velocity3D velocity, AngularVelocity3D angularVelocity, Object.Attribute attribute) {
		String id = RandomStringGenerator.generateUniqueString(UNIQUE_ID_LENGTH, RandomStringGenerator.ALPHA_NUMERIC, objMap.keySet());
		Object object = new Object(position, velocity, angularVelocity, attribute);
		objMap.put(id, object);
		return new HashMap<String, Object>() {
			{put(id, object);}
		};
	}
	
//	public Map<String, Character> createCharacter(URI accountURI, String name, Position3D position, String areaId, boolean isActive) {
//		String id = new RandomStringGenerator().createUniqueString(UNIQUE_ID_LENGTH, RandomStringGenerator.ALPHA_NUMERIC, characterMap.keySet());
//		Character character = new Character(accountURI, name, position, areaId, isActive);
//		characterMap.put(id, character);
//		return new HashMap<String, Character>() {
//			{put(id, character);}
//		};
//	}
	
	public Map<String, Character> createCharacter(Character character) {
		String id = RandomStringGenerator.generateUniqueString(UNIQUE_ID_LENGTH, RandomStringGenerator.ALPHA_NUMERIC, characterMap.keySet());
		characterMap.put(id, character);
		return new HashMap<String, Character>() {
			{put(id, character);}
		};
	}
	
	public Character updateCharacter(String characterId, Position3D position) {
		Character character = characterMap.get(characterId);
		character.setPosition(position);
		return character;
	}
	
	public Character destroyCharacter(String characterId) {
		return characterMap.remove(characterId);
	}
	
	public Area destroyArea(String areaId) {
		return areaMap.remove(areaId);
	}
	
	public Object destroyObject(String objId) {
		return objMap.remove(objId);
	}
	
	public static enum State {
		AVAILABLE, MAINTENANCE;
	}
}