package org.thingml.tradfri;
import java.util.ArrayList;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.californium.core.CoapResponse;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class LightBulb {
private ArrayList<TradfriBulbListener> listners = new ArrayList<TradfriBulbListener>();
public void addLightBulbListner(TradfriBulbListener l) {
listners.add(l);
}
public void removeLightBulbListner(TradfriBulbListener l) {
listners.remove(l);
}
public void clearLightBulbListners() {
listners.clear();
}
private TradfriGateway gateway;
// Immutable information
private int id;
private String name;
private JSONObject jsonObject;
public JSONObject getJsonObject() {
return jsonObject;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public String getType() {
return type;
}
public boolean isOnline() {
return online;
}
public boolean isOn() {
return on;
}
public void setOn(boolean on) {
try {
JSONObject json = new JSONObject();
JSONObject settings = new JSONObject();
JSONArray array = new JSONArray();
array.put(settings);
json.put(TradfriConstants.LIGHT, array);
settings.put(TradfriConstants.ONOFF, (on)?1:0);
String payload = json.toString();
gateway.set(TradfriConstants.DEVICES + "/" + this.getId(), payload);
} catch (JSONException ex) {
Logger.getLogger(TradfriGateway.class.getName()).log(Level.SEVERE, null, ex);
}
this.on = on;
}
public int getIntensity() {
return intensity;
}
public void setIntensity(int intensity) {
try {
JSONObject json = new JSONObject();
JSONObject settings = new JSONObject();
JSONArray array = new JSONArray();
array.put(settings);
json.put(TradfriConstants.LIGHT, array);
settings.put(TradfriConstants.DIMMER, intensity);
settings.put(TradfriConstants.TRANSITION_TIME, 5);
String payload = json.toString();
gateway.set(TradfriConstants.DEVICES + "/" + this.getId(), payload);
} catch (JSONException ex) {
Logger.getLogger(TradfriGateway.class.getName()).log(Level.SEVERE, null, ex);
}
this.intensity = intensity;
}
public String getColor() {
return color;
}
public void sendJSONPayload(String json) {
gateway.set(TradfriConstants.DEVICES + "/" + this.getId(), json);
}
public void setRGBColor(int r, int g, int b) {
double red = r;
double green = g;
double blue = b;
// gamma correction
red = (red > 0.04045) ? Math.pow((red + 0.055) / (1.0 + 0.055), 2.4) : (red / 12.92);
green = (green > 0.04045) ? Math.pow((green + 0.055) / (1.0 + 0.055), 2.4) : (green / 12.92);
blue = (blue > 0.04045) ? Math.pow((blue + 0.055) / (1.0 + 0.055), 2.4) : (blue / 12.92);
// Wide RGB D65 conversion
// math inspiration: http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
double X = red * 0.664511 + green * 0.154324 + blue * 0.162028;
double Y = red * 0.283881 + green * 0.668433 + blue * 0.047685;
double Z = red * 0.000088 + green * 0.072310 + blue * 0.986039;
// calculate the xy values from XYZ
double x = (X / (X + Y + Z));
double y = (Y / (X + Y + Z));
int xyX = (int) (x * 65535 + 0.5);
int xyY = (int) (y * 65535 + 0.5);
try {
JSONObject json = new JSONObject();
JSONObject settings = new JSONObject();
JSONArray array = new JSONArray();
array.put(settings);
json.put(TradfriConstants.LIGHT, array);
settings.put(TradfriConstants.COLOR_X, xyX);
settings.put(TradfriConstants.COLOR_Y, xyY);
settings.put(TradfriConstants.TRANSITION_TIME, 5);
String payload = json.toString();
gateway.set(TradfriConstants.DEVICES + "/" + this.getId(), payload);
} catch (JSONException ex) {
Logger.getLogger(TradfriGateway.class.getName()).log(Level.SEVERE, null, ex);
}
}
public void setColor(String color) {
try {
JSONObject json = new JSONObject();
JSONObject settings = new JSONObject();
JSONArray array = new JSONArray();
array.put(settings);
json.put(TradfriConstants.LIGHT, array);
settings.put(TradfriConstants.COLOR, color);
settings.put(TradfriConstants.TRANSITION_TIME, 5);
String payload = json.toString();
gateway.set(TradfriConstants.DEVICES + "/" + this.getId(), payload);
} catch (JSONException ex) {
Logger.getLogger(TradfriGateway.class.getName()).log(Level.SEVERE, null, ex);
}
this.color = color;
}
private String manufacturer;
private String type;
private String firmware;
// Status
private boolean online;
// State of the bulb
private boolean on;
private int intensity;
private String color;
// Dates
private Date dateInstalled;
private Date dateLastSeen;
public String getFirmware() {
return firmware;
}
public Date getDateInstalled() {
return dateInstalled;
}
public Date getDateLastSeen() {
return dateLastSeen;
}
public LightBulb(int id, TradfriGateway gateway) {
this.id = id;
this.gateway = gateway;
}
public LightBulb(int id, TradfriGateway gateway, CoapResponse response) {
this.id = id;
this.gateway = gateway;
if (response != null) parseResponse(response);
}
protected void updateBulb() {
CoapResponse response = gateway.get(TradfriConstants.DEVICES + "/" + id);
if (response != null) parseResponse(response);
}
protected void parseResponse(CoapResponse response) {
boolean updateListeners = false;
gateway.getLogger().log(Level.INFO, response.getResponseText());
try {
JSONObject json = new JSONObject(response.getResponseText());
jsonObject = json;
String new_name = json.getString(TradfriConstants.NAME);
if (name == null || !name.equals(new_name)) updateListeners = true;
name = new_name;
dateInstalled = new Date(json.getLong(TradfriConstants.DATE_INSTALLED)*1000);
dateLastSeen = new Date(json.getLong(TradfriConstants.DATE_LAST_SEEN)*1000);
boolean new_online = json.getInt(TradfriConstants.DEVICE_REACHABLE) != 0;
if (new_online != online) updateListeners = true;
online = new_online;
manufacturer = json.getJSONObject("3").getString("0");
type = json.getJSONObject("3").getString("1");
firmware = json.getJSONObject("3").getString("3");
JSONObject light = json.getJSONArray(TradfriConstants.LIGHT).getJSONObject(0);
if (light.has(TradfriConstants.ONOFF) && light.has(TradfriConstants.DIMMER)) {
boolean new_on = (light.getInt(TradfriConstants.ONOFF) != 0);
int new_intensity = light.getInt(TradfriConstants.DIMMER);
if (on != new_on) updateListeners = true;
if (intensity != new_intensity) updateListeners = true;
on = new_on;
intensity = new_intensity;
}
else {
if (online) updateListeners = true;
online = false;
}
if (light.has(TradfriConstants.COLOR)) {
String new_color = light.getString(TradfriConstants.COLOR);
if (color == null || !color.equals(new_color)) updateListeners = true;
color = new_color;
}
} catch (JSONException e) {
System.err.println("Cannot update bulb info: error parsing the response from the gateway.");
e.printStackTrace();
}
if (updateListeners) {
for (TradfriBulbListener l : listners) l.bulb_state_changed(this);
}
}
public String toString() {
String result = "[BULB " + id + "]";
if (online) result += "\ton:" + on + "\tdim:" + intensity + "\tcolor:" + color;
else result += " ********** OFFLINE *********** ";
result += "\ttype: " + type + "\tname: " + name;
return result;
}
}
