package org.hedgewars.mobile.EngineProtocol;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.io.OutputStream;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import org.xmlpull.v1.XmlPullParserFactory;

import org.xmlpull.v1.XmlSerializer;

import android.os.Parcel;

import android.os.Parcelable;

import android.util.Xml;

public class Team implements Parcelable{

	public static final String DIRECTORY_TEAMS = "teams";

	public String name, grave, flag, voice, fort, hash;

	public static int maxNumberOfHogs = 0;

	public static int maxNumberOfTeams = 0;

	static{

		maxNumberOfHogs = PascalExports.HWgetMaxNumberOfHogs();

		maxNumberOfTeams = PascalExports.HWgetMaxNumberOfTeams();

	}

	public String[] hats = new String[maxNumberOfHogs];

	public String[] hogNames = new String[maxNumberOfHogs];

	public int[] levels = new int[maxNumberOfHogs];

	public Team(){

	}

	public Team(Parcel in){

		readFromParcel(in);

	}

	public boolean equals(Object o){

		if(super.equals(o)) return true;

		else if(o instanceof Team){

			Team t = (Team)o;

			boolean ret = name.equals(t.name);

			ret &= grave.equals(t.grave);

			ret &= flag.equals(t.flag);

			ret &= voice.equals(t.voice);

			ret &= fort.equals(t.fort);

			ret &= hash.equals(t.hash);

			return ret;

		}else{

			return false;

		}

	}

	public void sendToEngine(OutputStream os, int hogCount, int health, int color) throws IOException{

		os.write(String.format("eaddteam %s %d %s", hash, color, name).getBytes());

		os.write(String.format("egrave %s", grave).getBytes());

		os.write(String.format("efort %s", fort).getBytes());

		os.write(String.format("evoicepack %s", voice).getBytes());

		os.write(String.format("eflag %s", flag).getBytes());

		for(int i = 0; i < hogCount; i++){

			os.write(String.format("eaddhh %d %d %s", levels[i], health, hogNames[i]).getBytes());

			os.write(String.format("ehat %s", hats[i]).getBytes());

		}

		os.flush();

	}

	public static final int STATE_START = 0;

	public static final int STATE_ROOT = 1;

	public static final int STATE_HOG_ROOT = 2;

	public static final int STATE_HOG_HAT = 3;

	public static final int STATE_HOG_NAME = 4;

	public static final int STATE_HOG_LEVEL = 5;

	/**

	 * Read the xml file path and convert it to a Team object

	 * @param path absolute path to the xml file

	 * @return

	 */

	public static Team getTeamFromXml(String path){

		try {

			XmlPullParserFactory xmlPullFactory = XmlPullParserFactory.newInstance();

			XmlPullParser xmlPuller = xmlPullFactory.newPullParser();

			BufferedReader br = new BufferedReader(new FileReader(path), 1024);

			xmlPuller.setInput(br);

			Team team = new Team();

			int hogCounter = 0;

			int eventType = xmlPuller.getEventType();

			int state = STATE_START;

			while(eventType != XmlPullParser.END_DOCUMENT){

				switch(state){

				case STATE_START:

					if(eventType == XmlPullParser.START_TAG && xmlPuller.getName().equals("team")) state = STATE_ROOT;

					else if(eventType != XmlPullParser.START_DOCUMENT) throwException(path, eventType);

					break;

				case STATE_ROOT:

					if(eventType == XmlPullParser.START_TAG){

						if(xmlPuller.getName().toLowerCase().equals("name")){

							team.name = getXmlText(xmlPuller, "name");

						}else if(xmlPuller.getName().toLowerCase().equals("flag")){

							team.flag= getXmlText(xmlPuller, "flag");

						}else if(xmlPuller.getName().toLowerCase().equals("voice")){

							team.voice = getXmlText(xmlPuller, "voice");

						}else if(xmlPuller.getName().toLowerCase().equals("grave")){

							team.grave = getXmlText(xmlPuller, "grave");

						}else if(xmlPuller.getName().toLowerCase().equals("fort")){

							team.fort = getXmlText(xmlPuller, "fort");

						}else if(xmlPuller.getName().toLowerCase().equals("hash")){

							team.hash = getXmlText(xmlPuller, "hash");

						}else if(xmlPuller.getName().toLowerCase().equals("hog")){

							state = STATE_HOG_ROOT;

						}else throwException(xmlPuller.getName(), eventType);

					}else if(eventType == XmlPullParser.END_TAG) state = STATE_START;

					else throwException(xmlPuller.getText(), eventType);

					break;

				case STATE_HOG_ROOT:

					if(eventType == XmlPullParser.START_TAG){

						if(xmlPuller.getName().toLowerCase().equals("name")){

							team.hogNames[hogCounter] = getXmlText(xmlPuller, "name");

						}else if(xmlPuller.getName().toLowerCase().equals("hat")){

							team.hats[hogCounter] = getXmlText(xmlPuller, "hat");

						}else if(xmlPuller.getName().toLowerCase().equals("level")){

							team.levels[hogCounter] = Integer.parseInt(getXmlText(xmlPuller, "level"));

						}else throwException(xmlPuller.getText(), eventType);

					}else if(eventType == XmlPullParser.END_TAG){

						hogCounter++;

						state = STATE_ROOT;

					}else throwException(xmlPuller.getText(), eventType);

					break;

				}

				eventType = getEventType(xmlPuller);

			}//end while(eventtype != END_DOCUMENT

			return team;

		} catch (NumberFormatException e){

			e.printStackTrace();

		} catch (XmlPullParserException e) {

			e.printStackTrace();

		} catch (FileNotFoundException e) {

			e.printStackTrace();

		} catch (IOException e) {

			e.printStackTrace();

		}

		return null;

	}

	private static String getXmlText(XmlPullParser xmlPuller, String parentTag)throws XmlPullParserException, IOException{

		if(getEventType(xmlPuller) == XmlPullParser.TEXT){

			String txt = xmlPuller.getText();

			if(getEventType(xmlPuller) == XmlPullParser.END_TAG && xmlPuller.getName().toLowerCase().equals(parentTag)){

				return txt;

			}

		}

		throw new XmlPullParserException("malformed xml file on string read from tag: " + parentTag);

	}

	/**

	 * Skips whitespaces..

	 */

	private static int getEventType(XmlPullParser xmlPuller)throws XmlPullParserException, IOException{

		int eventType = xmlPuller.next();

		while(eventType == XmlPullParser.TEXT && xmlPuller.isWhitespace()){

			eventType = xmlPuller.next();

		}

		return eventType;

	}

	private static void throwException(String file, int eventType){

		throw new IllegalArgumentException(String.format("Xml file: %s malformed with error: %d.", file, eventType));

	}

	public void writeToXml(OutputStream os){

		XmlSerializer serializer = Xml.newSerializer();

		try{

			serializer.setOutput(os, "UTF-8");	

			serializer.startDocument("UTF-8", true);

			serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);

			serializer.startTag(null, "team");

				serializer.startTag(null, "name");

				serializer.text(name);

				serializer.endTag(null, "name");

				serializer.startTag(null, "flag");

				serializer.text(flag);

				serializer.endTag(null, "flag");

				serializer.startTag(null, "fort");

				serializer.text(fort);

				serializer.endTag(null, "fort");

				serializer.startTag(null, "grave");

				serializer.text(grave);

				serializer.endTag(null, "grave");

				serializer.startTag(null, "voice");

				serializer.text(voice);

				serializer.endTag(null, "voice");

				serializer.startTag(null, "hash");

				serializer.text(hash);

				serializer.endTag(null, "hash");

				for(int i = 0; i < maxNumberOfHogs; i++){

					serializer.startTag(null, "hog");

					serializer.startTag(null, "name");

					serializer.text(hogNames[i]);

					serializer.endTag(null, "name");

					serializer.startTag(null, "hat");

					serializer.text(hats[i]);

					serializer.endTag(null, "hat");

					serializer.startTag(null, "level");

					serializer.text(String.valueOf(levels[i]));

					serializer.endTag(null, "level");

					serializer.endTag(null, "hog");

				}

			serializer.endTag(null, "team");

			serializer.endDocument();

			serializer.flush();

		} catch (IOException e) {

			e.printStackTrace();

		}finally{

			try {

				os.close();

			} catch (IOException e) {}

		}

	}

	public int describeContents() {

		return 0;

	}

	public void writeToParcel(Parcel dest, int flags) {

		dest.writeString(name);

		dest.writeString(grave);

		dest.writeString(flag);

		dest.writeString(voice);

		dest.writeString(fort);

		dest.writeString(hash);

		dest.writeStringArray(hats);

		dest.writeStringArray(hogNames);

		dest.writeIntArray(levels);

	}

	public void readFromParcel(Parcel src){

		name = src.readString();

		grave = src.readString();

		flag = src.readString();

		voice = src.readString();

		fort = src.readString();

		hash = src.readString();

		src.readStringArray(hats);

		src.readStringArray(hogNames);

		src.readIntArray(levels);

	}

	public static final Parcelable.Creator<Team> CREATOR = new Parcelable.Creator<Team>() {

		public Team createFromParcel(Parcel source) {

			return new Team(source);

		}

		public Team[] newArray(int size) {

			return new Team[size];

		}

	};

}