package javaxt.azure.graph;

import java.util.*;

import javaxt.json.*;

//******************************************************************************

//** Calendar

//******************************************************************************

/**

* Used to encapsulate a Calendar and Events

*

******************************************************************************/

public class Calendar extends Node {

private final String userID;

//**************************************************************************

//** Constructor

//**************************************************************************

public Calendar(JSONObject json, String userID, Connection conn){

super(json, conn);

this.userID = userID;

}

//**************************************************************************

//** isDefault

//**************************************************************************

public boolean isDefault(){

return get("isDefaultCalendar").toBoolean();

}

//**************************************************************************

//** getEvents

//**************************************************************************

public ArrayList<Event> getEvents(Integer limit) throws Exception {

ArrayList<Event> events = new ArrayList<>();

LinkedHashMap<String, String> params = new LinkedHashMap<>();

if (limit!=null) params.put("$top", limit+"");

JSONObject json = conn.getResponse(getURL(params));

for (JSONValue r : json.get("value").toJSONArray()){

events.add(new Event(r.toJSONObject(), conn));

}

return events;

}

//**************************************************************************

//** getEvents

//**************************************************************************

public ArrayList<Event> getEvents(javaxt.utils.Date startDate,

javaxt.utils.Date endDate) throws Exception {

LinkedHashMap<String, String> params = new LinkedHashMap<>();

//Create date filter

params.put("$filter", "start/dateTime ge '" + startDate.toISOString() +

"' and end/dateTime le '" + endDate.toISOString() + "'");

//Add order by

params.put("$orderby", "start/dateTime asc");

return getEvents(params);

}

//**************************************************************************

//** getEvents

//**************************************************************************

private ArrayList<Event> getEvents(LinkedHashMap<String, String> params) throws Exception {

ArrayList<Event> events = new ArrayList<>();

//Get calendar events

params.put("$count", "true");

JSONObject json = conn.getResponse(getURL(params));

Integer count = json.get("@odata.count").toInteger();

JSONArray records = json.get("value").toJSONArray();

for (JSONValue r : records){

events.add(new Event(r.toJSONObject(), conn));

}

if (events.isEmpty()) return events;

//Get more calendar events as needed

while (events.size()<count){

params.put("$skip", events.size()+"");

json = conn.getResponse(getURL(params));

for (JSONValue r : json.get("value").toJSONArray()){

events.add(new Event(r.toJSONObject(), conn));

}

}

return events;

}

//**************************************************************************

//** getEvent

//**************************************************************************

public Event getEvent(String id) throws Exception {

String url = getURL() + "/" + id;

return new Event(conn.getResponse(url), conn);

}

//**************************************************************************

//** saveEvent

//**************************************************************************

public void saveEvent(Event event) throws Exception {

String url = getURL();

if (event.getID()==null){

conn.getResponse(url, event.toJson(), "POST");

}

else{

url += "/" + event.getID();

JSONObject json = new JSONObject();

for (String k : updatableKeys){

json.set(k, event.get(k));

}

conn.getResponse(url, json, "PATCH");

}

}

//**************************************************************************

//** deleteEvent

//**************************************************************************

public void deleteEvent(Event event) throws Exception {

deleteEvent(event.getID());

}

//**************************************************************************

//** deleteEvent

//**************************************************************************

public void deleteEvent(String id) throws Exception {

if (id==null) return;

String url = getURL() + "/" + id;

conn.getResponse(url, null, "DELETE");

}

private static String[] updatableKeys = new String[]{

"subject", "body", "categories", "start", "end", "location"

};

//**************************************************************************

//** Event Class

//**************************************************************************

/** Used to represent a calendar event

*/

public class Event extends Node {

public Event(JSONObject json, Connection conn){

super(json, conn);

}

public String getSubject(){

return get("subject").toString();

}

public void setSubject(String subject){

set("subject", subject);

}

public void set(String key, Object val){

for (String k : updatableKeys){

if (key.equalsIgnoreCase(k)){

super.set(k, val);

break;

}

}

}

public javaxt.utils.Date getStartDate(){

return getDate("start").clone();

}

public void setStartDate(javaxt.utils.Date date){

int duration = (int) getEndDate().compareTo(getStartDate(), "minutes");

javaxt.utils.Date endDate = date.clone().add(duration, "minutes");

setDate("start", date);

setDate("end", endDate);

}

public javaxt.utils.Date getEndDate(){

return getDate("end").clone();

}

public void setEndDate(javaxt.utils.Date date){

setDate("end", date);

}

private javaxt.utils.Date getDate(String key){

try{

String dt = get(key).get("dateTime").toString();

String tz = get(key).get("timeZone").toString();

javaxt.utils.Date d = new javaxt.utils.Date(dt);

d.setTimeZone(tz, true);

return d;

}

catch(Exception e){

return null;

}

}

private void setDate(String key, javaxt.utils.Date date){

JSONObject json = get(key).toJSONObject();

json.set("dateTime", date.toISOString());

json.set("timeZone", "UTC");

}

}

//**************************************************************************

//** getURL

//**************************************************************************

private String getURL(){

return getURL(null);

}

private String getURL(LinkedHashMap<String, String> params){

String calendarID = getID();

String url = "/users/" + userID + "/calendars/" + calendarID + "/events";

if (params!=null && !params.isEmpty()){

//Update url

url += "?";

Iterator<String> it = params.keySet().iterator();

while (it.hasNext()){

String key = it.next();

String val = params.get(key);

val = val.replace(" ", "%20");

url += "&" + key + "=" + val;

}

}

return url;

}

}