/*

 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game

 * Copyright (c) 2011-2012 Richard Deurwaarder <xeli@xelification.com>

 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

package org.hedgewars.hedgeroid;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import java.util.NoSuchElementException;

import org.hedgewars.hedgeroid.Datastructures.FrontendDataUtils;

import org.hedgewars.hedgeroid.Datastructures.Hog;

import org.hedgewars.hedgeroid.Datastructures.Team;

import org.hedgewars.hedgeroid.util.FileUtils;

import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.drawable.Drawable;

import android.media.MediaPlayer;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemSelectedListener;

import android.widget.ArrayAdapter;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.RelativeLayout;

import android.widget.ScrollView;

import android.widget.SimpleAdapter;

import android.widget.Spinner;

import android.widget.SpinnerAdapter;

import android.widget.TextView;

import android.widget.Toast;

/**

 * Edit or create a team. If a team should be edited, it is supplied in the extras

 * as parameter oldTeamName.

 */

public class TeamCreatorActivity extends Activity implements Runnable {

	public static final String PARAMETER_EXISTING_TEAMNAME = "existingTeamName";

	private static final String TAG = TeamCreatorActivity.class.getSimpleName();

	private TextView name;

	private Spinner difficulty, grave, flag, voice, fort;

	private ImageView imgFort;

	private ArrayList<ImageButton> hogDice = new ArrayList<ImageButton>();

	private ArrayList<Spinner> hogHat = new ArrayList<Spinner>();

	private ArrayList<EditText> hogName = new ArrayList<EditText>();

	private ImageButton voiceButton;

	private ScrollView scroller;

	private MediaPlayer mp = null;

	private boolean initComplete = false;

	private String existingTeamName = null;

	private final List<Map<String, ?>> flagsData = new ArrayList<Map<String, ?>>();

	private final List<Map<String, ?>> typesData = new ArrayList<Map<String, ?>>();

	private final List<Map<String, ?>> gravesData = new ArrayList<Map<String, ?>>();

	private final List<Map<String, ?>> hatsData = new ArrayList<Map<String, ?>>();

	private final List<String> voicesData = new ArrayList<String>();

	private final List<String> fortsData = new ArrayList<String>();

	public void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		initComplete = false;

		// Restore state and read parameters 

		if(savedInstanceState != null) {

			existingTeamName = savedInstanceState.getString(PARAMETER_EXISTING_TEAMNAME);

		} else {

			existingTeamName = getIntent().getStringExtra(PARAMETER_EXISTING_TEAMNAME);

		}

		// Set up view

		setContentView(R.layout.team_creation);

		name = (TextView) findViewById(R.id.txtName);

		difficulty = (Spinner) findViewById(R.id.spinType);

		grave = (Spinner) findViewById(R.id.spinGrave);

		flag = (Spinner) findViewById(R.id.spinFlag);

		voice = (Spinner) findViewById(R.id.spinVoice);

		fort = (Spinner) findViewById(R.id.spinFort);

		imgFort = (ImageView) findViewById(R.id.imgFort);

		voiceButton = (ImageButton) findViewById(R.id.btnPlay);

		scroller = (ScrollView) findViewById(R.id.scroller);

		// Wire view elements

		LinearLayout ll = (LinearLayout) findViewById(R.id.HogsContainer);

		for (int i = 0; i < ll.getChildCount(); i++) {

			RelativeLayout team_creation_entry = (RelativeLayout) ll.getChildAt(i);

			hogHat.add((Spinner) team_creation_entry

					.findViewById(R.id.spinTeam1));

			hogDice.add((ImageButton) team_creation_entry

					.findViewById(R.id.btnTeam1));

			hogName.add((EditText) team_creation_entry

					.findViewById(R.id.txtTeam1));

		}

		grave.setAdapter(createMapSpinnerAdapter(gravesData));

		flag.setAdapter(createMapSpinnerAdapter(flagsData));

		difficulty.setAdapter(createMapSpinnerAdapter(typesData));

		SpinnerAdapter hatAdapter = createMapSpinnerAdapter(hatsData);

		for (Spinner spin : hogHat) {

			spin.setAdapter(hatAdapter);

		}

		voice.setAdapter(createListSpinnerAdapter(voicesData));

		voiceButton.setOnClickListener(voiceClicker);

		fort.setAdapter(createListSpinnerAdapter(fortsData));

		fort.setOnItemSelectedListener(fortSelector);

		new Thread(this).start();

	}

	private SpinnerAdapter createMapSpinnerAdapter(List<? extends Map<String, ?>> data) {

		SimpleAdapter sa = new SimpleAdapter(this, data,

				R.layout.spinner_textimg_entry, new String[] { "txt", "img" },

				new int[] { R.id.spinner_txt, R.id.spinner_img });

		sa.setDropDownViewResource(R.layout.spinner_textimg_dropdown_entry);

		sa.setViewBinder(viewBinder);

		return sa;

	}

	private SpinnerAdapter createListSpinnerAdapter(List<String> data) {

		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.listview_item, data);

		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

		return adapter;

	}

	public void run(){

		try {

			final List<Map<String, ?>> gravesDataNew = FrontendDataUtils.getGraves(this);

			runOnUiThread(new Runnable(){

				public void run() {

					gravesData.addAll(gravesDataNew);

					((SimpleAdapter)grave.getAdapter()).notifyDataSetChanged();

				}

			});

			final List<Map<String, ?>> flagsDataNew = FrontendDataUtils.getFlags(this);

			runOnUiThread(new Runnable(){

				public void run() {

					flagsData.addAll(flagsDataNew);

					((SimpleAdapter)flag.getAdapter()).notifyDataSetChanged();

				}

			});

			final List<Map<String, ?>> typesDataNew = FrontendDataUtils.getTypes(this);

			runOnUiThread(new Runnable(){

				public void run() {

					typesData.addAll(typesDataNew);

					((SimpleAdapter)difficulty.getAdapter()).notifyDataSetChanged();

				}

			});

			final List<Map<String, ?>> hatsDataNew = FrontendDataUtils.getHats(this);

			runOnUiThread(new Runnable(){

				public void run() {

					hatsData.addAll(hatsDataNew);

					((SimpleAdapter)hogHat.get(0).getAdapter()).notifyDataSetChanged();

				}

			});

			final List<String> voicesDataNew = FrontendDataUtils.getVoices(this);

			runOnUiThread(new Runnable(){

				public void run() {

					voicesData.addAll(voicesDataNew);

					((ArrayAdapter<?>)voice.getAdapter()).notifyDataSetChanged();

				}

			});

			final List<String> fortsDataNew = FrontendDataUtils.getForts(this);

			runOnUiThread(new Runnable(){

				public void run() {

					fortsData.addAll(fortsDataNew);

					((ArrayAdapter<?>)fort.getAdapter()).notifyDataSetChanged();

				}

			});

			if(existingTeamName!=null) {

				final Team loadedTeam = Team.load(Team.getTeamfileByName(getApplicationContext(), existingTeamName));

				if(loadedTeam==null) {

					existingTeamName = null;

				} else {

					runOnUiThread(new Runnable(){

						public void run() {

							setTeamValues(loadedTeam);

						}

					});

				}

			}

			runOnUiThread(new Runnable(){

				public void run() {

					initComplete = true;

				}

			});

		} catch(FileNotFoundException e) {

			this.runOnUiThread(new Runnable(){

				public void run() {

					Toast.makeText(getApplicationContext(), R.string.error_missing_sdcard_or_files, Toast.LENGTH_LONG).show();

					finish();

				}

			});

		}

	}

	public void onDestroy() {

		super.onDestroy();

		if (mp != null) {

			mp.release();

			mp = null;

		}

	}

	@Override

	protected void onSaveInstanceState(Bundle outState) {

		super.onSaveInstanceState(outState);

		outState.putString(PARAMETER_EXISTING_TEAMNAME, existingTeamName);

	}

	public void onBackPressed() {

		if(initComplete) {

			saveTeam();

		}

		setResult(RESULT_OK);

		super.onBackPressed();

	}

	private void saveTeam() {

		String teamName = name.getText().toString();

		String teamFlag = (String)((Map<String, Object>) flag.getSelectedItem()).get("txt");

		String teamFort = fort.getSelectedItem().toString();

		String teamGrave = (String)((Map<String, Object>) grave.getSelectedItem()).get("txt");

		String teamVoice = voice.getSelectedItem().toString();

		int levelInt = (Integer)((Map<String, Object>) difficulty.getSelectedItem()).get("level");

		List<Hog> hogs = new ArrayList<Hog>();

		for (int i = 0; i < hogName.size(); i++) {

			String name = hogName.get(i).getText().toString();

			String hat = ((Map<String, Object>) hogHat.get(i).getSelectedItem()).get("txt").toString();

			hogs.add(new Hog(name, hat, levelInt));

		}

		Team team = new Team(teamName, teamGrave, teamFlag, teamVoice, teamFort, hogs);

		File teamsDir = new File(getFilesDir(), Team.DIRECTORY_TEAMS);

		if (!teamsDir.exists()) teamsDir.mkdir();

		File newFile = Team.getTeamfileByName(this, teamName);

		File oldFile = null;

		if(existingTeamName != null) {

			oldFile = Team.getTeamfileByName(this, existingTeamName);

		}

		try {

			team.save(newFile);

			// If the team was renamed, delete the old file.

			if(oldFile != null && oldFile.isFile() && !oldFile.equals(newFile)) {

				oldFile.delete();

			}

			existingTeamName = teamName;

		} catch(IOException e) {

			Toast.makeText(getApplicationContext(), R.string.error_save_failed, Toast.LENGTH_SHORT).show();

		}

	};

	private OnItemSelectedListener fortSelector = new OnItemSelectedListener() {

		public void onItemSelected(AdapterView<?> arg0, View arg1,

				int position, long arg3) {

			String fortName = (String) arg0.getAdapter().getItem(position);

			try {

				File fortImage = FileUtils.getDataPathFile(TeamCreatorActivity.this, "Forts", fortName, "L.png");

				Drawable fortIconDrawable = Drawable.createFromPath(fortImage.getAbsolutePath());

				imgFort.setImageDrawable(fortIconDrawable);

			} catch(IOException e) {

				Log.e(TAG, "Unable to show fort image", e);

			}

			scroller.fullScroll(ScrollView.FOCUS_DOWN);// Scroll the scrollview

			// to the bottom, work

			// around for scrollview

			// invalidation (scrolls

			// back to top)

		}

		public void onNothingSelected(AdapterView<?> arg0) {

		}

	};

	private OnClickListener voiceClicker = new OnClickListener() {

		public void onClick(View v) {

			try {

				File dir = FileUtils.getDataPathFile(TeamCreatorActivity.this, "Sounds", "voices", (String)voice.getSelectedItem());

				String file = "";

				File[] dirs = dir.listFiles();

				File f = dirs[(int) Math.round(Math.random() * dirs.length)];

				if (f.getName().endsWith(".ogg"))

					file = f.getAbsolutePath();

				if (mp == null)

					mp = new MediaPlayer();

				else

					mp.reset();

				mp.setDataSource(file);

				mp.prepare();

				mp.start();

			} catch (IllegalArgumentException e) {

				Log.e(TAG, "Unable to play voice sample", e);

			} catch (IllegalStateException e) {

				Log.e(TAG, "Unable to play voice sample", e);

			} catch (IOException e) {

				Log.e(TAG, "Unable to play voice sample", e);

			}

		}

	};

	@SuppressWarnings("unchecked")

	private void setTeamValues(Team t){

		if (t == null) {

			return;

		}

		try {

			name.setText(t.name);

			voice.setSelection(findPosition((ArrayAdapter<String>) voice.getAdapter(), t.voice));

			fort.setSelection(findPosition((ArrayAdapter<String>) fort.getAdapter(), t.fort));

			difficulty.setSelection(findPosition(typesData, "level", Integer.valueOf(t.hogs.get(0).level)));

			grave.setSelection(findPosition(gravesData, "txt", t.grave));

			flag.setSelection(findPosition(flagsData, "txt", t.flag));

			for (int i = 0; i < Team.HEDGEHOGS_PER_TEAM; i++) {

				hogHat.get(i).setSelection(findPosition(hatsData, "txt", t.hogs.get(i).hat));

				hogName.get(i).setText(t.hogs.get(i).name);

			}

		} catch(NoSuchElementException e) {

			Toast.makeText(getApplicationContext(), R.string.error_team_attribute_not_found, Toast.LENGTH_LONG).show();

			finish();

		}

	}

	int findPosition(ArrayAdapter<String> adapter, String value) throws NoSuchElementException {

		int position = adapter.getPosition(value);

		if(position<0) {

			throw new NoSuchElementException();

		}

		return position;

	}

	int findPosition(List<? extends Map<String, ?>> data, String key, Object value) throws NoSuchElementException {

		int position = 0;

		for (Map<String, ?> map : data) {

			if (map.get(key).equals(value)) {

				return position;

			}

			position++;

		}

		throw new NoSuchElementException();

	}

	private SimpleAdapter.ViewBinder viewBinder = new SimpleAdapter.ViewBinder() {

		public boolean setViewValue(View view, Object data,

				String textRepresentation) {

			if (view instanceof ImageView && data instanceof Bitmap) {

				ImageView v = (ImageView) view;

				v.setImageBitmap((Bitmap) data);

				return true;

			} else {

				return false;

			}

		}

	};

}