package cactusServer.entities;

import cactusServer.models.Instances;
import framework.model3D.Position3D;
import net.arnx.jsonic.JSONHint;

public class Player extends Entity {
	private String instanceURI;
	private String characterURI;
	private String areaURI;
	private Position3D position;
	private Angle angle;
	private CameraState cameraState;
	private EmoteState emoteState;
	@JSONHint(ignore = true)
	public static final int UNIQUE_ID_LENGTH = 12;

	private Player() {
		// JSONDecode時の呼び出し用
	}

	public Player(String instanceURI, String characterURI, CameraState cameraState,
			EmoteState.EmoteType animationClassToStart) {
		setInstanceURI(instanceURI);
		setCharacterURI(characterURI);
		setCameraState(cameraState);
		setAnimationClassToStart(animationClassToStart);
		readCharacterData(characterURI);
	}

	private Character getCharacter(String characterURI) {
		String[] characterURISplit = characterURI.split("/"); // ……/instances/{instanceId}/characters/{characterId}
		int splitSize = characterURISplit.length;
		String characterId = characterURISplit[splitSize - 1];
		String instanceId = characterURISplit[splitSize - 3];
		return Instances.getInstance().getInstance(instanceId).getCharacter(characterId);
	}

	private void readCharacterData(String characterURI) {
		Character character = getCharacter(characterURI);
		setPosition(character.getPosition());
		setAngle(character.getAngle());
		setAreaURI(character.getAreaURI());
	}

	public String getInstanceURI() {
		return instanceURI;
	}

	public String getCharacterURI() {
		return characterURI;
	}

	public String getAreaURI() {
		return areaURI;
	}

	public Position3D getPosition() {
		return position;
	}

	public Angle getAngle() {
		return angle;
	}

	public CameraState getCameraState() {
		return cameraState;
	}

	public EmoteState getEmoteState() {
		return emoteState;
	}

	public void setInstanceURI(String instanceURI) {
		this.instanceURI = instanceURI;
	}

	public void setCharacterURI(String characterURI) {
		this.characterURI = characterURI;
	}

	public void setAreaURI(String areaURI) {
		this.areaURI = areaURI;
	}

	public void setPosition(Position3D position) {
		this.position = position;
	}

	public void setAngle(Angle angle) {
		this.angle = angle;
	}

	public void setCameraState(CameraState cameraState) {
		this.cameraState = cameraState;
	}

	public void setEmoteState(EmoteState emoteState) {
		this.emoteState = emoteState;
	}

	public void setAnimationClassToStart(EmoteState.EmoteType animationClassToStart) {
		setEmoteState(new EmoteState(animationClassToStart));
	}
	
	public Player updatePlayer(String CharacterURI, Position3D position, Angle angle, CameraState cameraState, EmoteState.EmoteType animationClassToStart) {
		setCharacterURI(CharacterURI);
		setPosition(position);
		setAngle(angle);
		setCameraState(cameraState);
		updateEmoteType(animationClassToStart);
		updateAreaURI();
		return this;
	}

	private void updateAreaURI() {
		String[] areaURISplit = areaURI.split("/"); // ……/instances/{instanceId}/areas/{areaId}
		int splitSize = areaURISplit.length;
		String instanceId = areaURISplit[splitSize - 3];
		String previousAreaId = areaURISplit[splitSize - 1];
		Instance instance = Instances.getInstance().getInstance(instanceId);
		Area previousArea = instance.getArea(previousAreaId);
		if (!previousArea.isSurroundingPosition(position)) {
			// キャラクターのポジションを用いてどのエリア内にいるかを判定して当該エリアのURIに更新する
			setAreaURI(findAreaURI(instance));
		}
	}

	private String findAreaURI(Instance instance) {
		// キャラクターのポジションを用いてどのエリア内にいるかを判定して当該エリアのURIに更新する
		for (String areaId : instance.getAreaIdSet()) {
			Area area = instance.getArea(areaId);
			if (area.isSurroundingPosition(position)) {
				int subStringStartIndex = areaURI.length() - Area.UNIQUE_ID_LENGTH;
				StringBuilder newAreaURI = new StringBuilder();
				return newAreaURI.append(areaURI.substring(0, subStringStartIndex)).append(areaId).toString();
			}
		}
		throw new IllegalStateException("Character is in the unknown area.");
	}

	public void updateEmoteType(EmoteState.EmoteType animationClassToStart) {
		this.emoteState.setEmoteType(animationClassToStart);
	}

	public void deletePlayer() {
		writeCharacterData(characterURI);
	}

	private void writeCharacterData(String characterURI) {
		Character character = getCharacter(characterURI);
		character.setPosition(position);
		character.setAngle(angle);
		character.setAreaURI(areaURI);
	}
}