package com.gh.common.view;

import android.content.Context;
import android.content.SharedPreferences;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.PopupWindow;
import android.widget.TextView;

import com.gh.common.constant.Config;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.PackageUtils;
import com.gh.common.util.PlatformUtils;
import com.gh.common.util.Utils;
import com.gh.download.DataWatcher;
import com.gh.download.DownloadEntity;
import com.gh.download.DownloadManager;
import com.gh.download.DownloadStatus;
import com.gh.gamecenter.R;
import com.gh.gamecenter.adapter.PlatformPagerAdapter;
import com.gh.gamecenter.entity.ApkEntity;
import com.gh.gamecenter.entity.GameCollectionEntity;
import com.gh.gamecenter.entity.GameEntity;
import com.gh.gamecenter.eventbus.EBDownloadStatus;
import com.gh.gamecenter.eventbus.EBPackage;
import com.gh.gamecenter.eventbus.EBReuse;
import com.gh.gamecenter.listener.OnCollectionCallBackListener;
import com.gh.gamecenter.manager.PackageManager;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;

import de.greenrobot.event.EventBus;

/**
 * 
 * @author 温冠超
 * @email 294299195@qq.com
 * @date 2015-8-12
 * @update 2015-8-12
 * @des 弹出游戏版本下载按钮，点击并添加到下载任务中
 */
public class DownloadDialog implements OnCollectionCallBackListener {

	private static DownloadDialog instance;

	private Context context;

	private boolean isShow;

	private DownloadDialog() {
		isShow = false;
	}

	public static DownloadDialog getInstance(Context context) {
		if (instance == null) {
			instance = new DownloadDialog();
		}
		instance.context = context;
		return instance;
	}

	private DataWatcher dataWatcher = new DataWatcher() {
		@Override
		public void onDataChanged(DownloadEntity downloadEntity) {
			if (downloadEntity.getName().equals(gameEntity.getName())
					&& !"delete".equals(DownloadManager.getInstance(context).getStatus(downloadEntity.getUrl()))) {

				adapter.putDownloadEntity(downloadEntity);

				if (collectionAdapter != null) {
					collectionAdapter.putDownloadEntity(downloadEntity);
				}
			}
		}
	};

	private PopupWindow popupWindow;

	private List<ApkEntity> gameApk;
	private GameEntity gameEntity;

	private ViewPager viewPager;
	private PlatformPagerAdapter adapter;
	private LinearLayout dialog_ll_hint;
	private LinearLayout dialog_ll_collection;
	private ViewPager collectionViewPager;
	private PlatformPagerAdapter collectionAdapter;
	private LinearLayout dialog_ll_collection_hint;

	private String entrance;
	private String location;

	private int row;
	private int column;

	public void showPopupWindow(View view, GameEntity gameEntity, String entrance, String location) {

		if (isShow && (popupWindow == null || !popupWindow.isShowing())) {
			isShow = false;
		}
		if (isShow) {
			return;
		}
		isShow = true;

		this.gameEntity = gameEntity;
		this.entrance = entrance;
		this.location = location;

		SharedPreferences sp = context.getSharedPreferences(Config.PREFERENCE, Context.MODE_PRIVATE);
		row = sp.getInt("download_box_row", 3);
		column = sp.getInt("download_box_column", 3);

		gameApk = sortApk(new ArrayList<>(gameEntity.getApk()));

		if (gameEntity.getCollection() != null) {
			mergeApkCollection(gameEntity);
		}

		// 一个自定义的布局，作为显示的内容
		View contentView = View.inflate(context, R.layout.game_download_dialog, null);

		TextView title = (TextView) contentView.findViewById(R.id.dialog_title);
		title.setText(gameEntity.getName());

		viewPager = (ViewPager) contentView.findViewById(R.id.dialog_viewPager);
		dialog_ll_hint = (LinearLayout) contentView.findViewById(R.id.dialog_ll_hint);
		dialog_ll_collection = (LinearLayout) contentView.findViewById(R.id.dialog_ll_collection);
		dialog_ll_collection_hint = (LinearLayout) contentView.findViewById(R.id.dialog_ll_collection_hint);
		collectionViewPager = (ViewPager) contentView.findViewById(R.id.dialog_collection_viewPager);

		isLoadPlatform = false;

		init(new ArrayList<>(gameApk));

		viewPager.addOnPageChangeListener(new MyPageChangeListener(dialog_ll_hint));

		popupWindow = new PopupWindow(contentView, LayoutParams.MATCH_PARENT,
				LayoutParams.MATCH_PARENT, true);

		contentView.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				popupWindow.dismiss();
			}
		});
		contentView.setFocusable(true);
		contentView.setFocusableInTouchMode(true);
		contentView.setOnKeyListener(new View.OnKeyListener() {
			@Override
			public boolean onKey(View v, int keyCode, KeyEvent event) {
				if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0
						&& popupWindow != null && popupWindow.isShowing()) {
					popupWindow.dismiss();
				}
				return false;
			}
		});

		popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
			@Override
			public void onDismiss() {
				isShow = false;
				EventBus.getDefault().unregister(DownloadDialog.this);
				DownloadManager.getInstance(context).removeObserver(dataWatcher);
			}
		});

		popupWindow.setTouchable(true);
		popupWindow.setFocusable(true);

		// 设置popWindow的显示和消失动画
		popupWindow.setAnimationStyle(R.style.mypopwindow_anim_style);

		// 设置好参数之后再show
		popupWindow.showAtLocation(view, Gravity.BOTTOM, 0, 0);

		if (!EventBus.getDefault().isRegistered(DownloadDialog.this)) {
			EventBus.getDefault().register(DownloadDialog.this);
		}

		DownloadManager.getInstance(context).addObserver(dataWatcher);
	}

	// 合并ApkCollection
	private void mergeApkCollection(GameEntity gameEntity) {
		List<ApkEntity> gameCollectionApk = new ArrayList<>();
		ConcurrentHashMap<String, Integer> hashMap = new ConcurrentHashMap<>();
		boolean isCollection;

		for (int i = 0, size = gameApk.size(); i < size; i++) {
			isCollection = false;
			for (GameCollectionEntity gameCollectionEntity : gameEntity.getCollection()) {
				for (String packageName : gameCollectionEntity.getPackage()) {
					if (packageName.equals(gameApk.get(i).getPackageName())){
						isCollection = true;
						if (hashMap.get(gameCollectionEntity.getName()) != null) {
							gameCollectionApk.get(hashMap.get(gameCollectionEntity.getName()))
									.getApkCollection().getSaveApkEntity().add(gameApk.get(i));
						} else {
							ApkEntity apkEntity = new ApkEntity();
							GameCollectionEntity collectionEntity = new GameCollectionEntity();
							List<ApkEntity> saveApkList = new ArrayList<>();
							saveApkList.add(gameApk.get(i));
							collectionEntity.setSaveApkEntity(saveApkList);
							collectionEntity.setName(gameCollectionEntity.getName());
							collectionEntity.setIcon(gameCollectionEntity.getIcon());
							collectionEntity.setColor(gameCollectionEntity.getColor());
							apkEntity.setApkCollection(collectionEntity);
							gameCollectionApk.add(apkEntity);

							hashMap.put(gameCollectionEntity.getName(), gameCollectionApk.size() - 1);
						}
					}
				}
			}
			if (!isCollection) {
				gameCollectionApk.add(gameApk.get(i));
			}
		}

		gameApk = gameCollectionApk;
	}

	private boolean isLoadPlatform;

	private void init(List<ApkEntity> apkList) {
		for (int i = 0; i < apkList.size(); i++) {
			String platformName = PlatformUtils.getInstance(context)
					.getPlatformName(apkList.get(i).getPlatform());
			if (platformName == null) {
				apkList.remove(i);
				i--;
				if (!isLoadPlatform) {
					PlatformUtils.getInstance(context).getPlatform();
					isLoadPlatform = true;
				}
			}
		}

		dialog_ll_hint.removeAllViews();
		int size = (int) Math.ceil(apkList.size() / (double) (row * column));
		addHintPoint(dialog_ll_hint, size);

		int count = apkList.size();
		int vpHeight;
		if (count <= 3) {
			vpHeight = 80;
		} else if (count <= 6) {
			vpHeight = 140;
		} else {
			vpHeight = 200;
		}
		ViewGroup.LayoutParams layoutParams = viewPager.getLayoutParams();
		layoutParams.height = DisplayUtils.dip2px(context, vpHeight);
		viewPager.setLayoutParams(layoutParams);

		int currentItem = 0;
		if (viewPager != null) {
			currentItem = viewPager.getCurrentItem();
		}
		Utils.log("currentItem = " + currentItem);
		adapter = new PlatformPagerAdapter(context, this, gameEntity, apkList, entrance, location);
		viewPager.setAdapter(adapter);
		viewPager.setCurrentItem(currentItem);
	}

	private ArrayList<ApkEntity> sortApk(List<ApkEntity> apkList) {
		List<ApkEntity> pluginDoneList = new ArrayList<>();     // 安装插件
		List<ApkEntity> pluginDownloadList = new ArrayList<>(); // 插件化下载中
		List<ApkEntity> pluginList = new ArrayList<>();         // 插件化
		List<ApkEntity> updateDoneList = new ArrayList<>();     // 安装更新
		List<ApkEntity> updateDownloadList = new ArrayList<>(); // 更新下载中
		List<ApkEntity> updateList = new ArrayList<>();         // 更新
		List<ApkEntity> doneList = new ArrayList<>();           // 安装
		List<ApkEntity> downloadList = new ArrayList<>();       // 下载中
		List<ApkEntity> installList = new ArrayList<>();		// 启动
		List<ApkEntity> noPicList = new ArrayList<>();			// 默认（无图片）

		DownloadEntity downloadEntity;
		String packageName;
		Object gh_id;
		for (int i = 0, size = apkList.size(); i < size; i++) {
			downloadEntity = DownloadManager.getInstance(context).get(apkList.get(i).getUrl());
			packageName = apkList.get(i).getPackageName();
			gh_id = PackageUtils.getMetaData(context, packageName, "gh_id");
			if (downloadEntity == null) {
				if (PackageManager.isInstalled(packageName)
						&& (gh_id == null || gh_id.equals(gameEntity.getId()))) {
					if (PackageManager.isCanUpdate(gameEntity.getId(), packageName)) {
						updateList.add(apkList.remove(i));
						size--;
						i--;
					} else if (!PackageUtils.isSignature(context, packageName)) {
						pluginList.add(apkList.remove(i));
						size--;
						i--;
					} else {
						installList.add(apkList.remove(i));
						size--;
						i--;
					}
				} else {
					String platform = apkList.get(i).getPlatform();
					int id = PlatformUtils.getInstance(context).getPlatformPic(platform);
					if (id == 0) {
						String path = PlatformUtils.getInstance(context).getPlatformPicPath(platform);
						if (path == null) {
							noPicList.add(apkList.remove(i));
							size--;
							i--;
						}
					}
				}
			} else {
				if (downloadEntity.getStatus().equals(DownloadStatus.done)) {
					if (downloadEntity.isPluggable()) {
						pluginDoneList.add(apkList.remove(i));
						size--;
						i--;
					} else if (downloadEntity.isUpdate()) {
						updateDoneList.add(apkList.remove(i));
						size--;
						i--;
					} else {
						doneList.add(apkList.remove(i));
						size--;
						i--;
					}
				} else {
					if (downloadEntity.isPluggable()) {
						pluginDownloadList.add(apkList.remove(i));
						size--;
						i--;
					} else if (downloadEntity.isUpdate()) {
						updateDownloadList.add(apkList.remove(i));
						size--;
						i--;
					} else {
						downloadList.add(apkList.remove(i));
						size--;
						i--;
					}
				}
			}
		}
		ArrayList<ApkEntity> list = new ArrayList<>();
		list.addAll(pluginDoneList);
		list.addAll(pluginDownloadList);
		list.addAll(pluginList);
		list.addAll(updateDoneList);
		list.addAll(updateDownloadList);
		list.addAll(updateList);
		list.addAll(doneList);
		list.addAll(downloadList);
		list.addAll(installList);
		list.addAll(apkList);
		list.addAll(noPicList);
		return list;
	}

	// 接收安装成功的消息，更新界面
	public void onEvent(EBPackage busFour) {
		if ("安装".equals(busFour.getType())) {
			adapter.removeDownloadEntityByPackageName(busFour.getPackageName());
			if (collectionAdapter != null) {
				collectionAdapter.removeDownloadEntityByPackageName(busFour.getPackageName());
			}
		} else if ("卸载".equals(busFour.getType())) {
			adapter.updateItem(busFour.getPackageName());
			if (collectionAdapter != null) {
				collectionAdapter.updateItem(busFour.getPackageName());
			}
		}
	}

	//接收下载被删除消息
	public void onEvent(EBDownloadStatus status) {
		if ("delete".equals(status.getStatus())) {
			String url = status.getUrl();
			adapter.removeDownloadEntityByUrl(url);
			if (collectionAdapter != null) {
				collectionAdapter.removeDownloadEntityByUrl(url);
			}
			DownloadManager.getInstance(context).putStatus(url, "delete");
		}
	}

	// 接收platform数据改变消息，更新界面
	public void onEvent(EBReuse reuse) {
		if ("PlatformChanged".equals(reuse.getType())) {
			DownloadManager.getInstance(context).removeObserver(dataWatcher);
			init(new ArrayList<>(gameApk));
			DownloadManager.getInstance(context).addObserver(dataWatcher);
		}
	}

	private void addHintPoint(LinearLayout linearLayout, int size) {
		if (size <= 1) {
			return;
		}
		for (int i = 0; i < size; i++) {
			ImageView imageView = new ImageView(context);
			LayoutParams lparams = new LayoutParams(
					DisplayUtils.dip2px(context, 6), DisplayUtils.dip2px(context, 6));
			if (i == 0) {
				lparams.leftMargin = 0;
				imageView.setImageResource(R.drawable.oval_hint_up);
			} else {
				lparams.leftMargin = DisplayUtils.dip2px(context, 9);
				imageView.setImageResource(R.drawable.oval_hint_gray_bg);
			}
			imageView.setLayoutParams(lparams);
			linearLayout.addView(imageView);
		}
	}

	// 显示合集
	@Override
	public void showCollection(GameCollectionEntity gameCollectionEntity) {
		dialog_ll_collection.setVisibility(View.VISIBLE);

		int count = gameCollectionEntity.getSaveApkEntity().size();
		int vpHeight;
		if (count <= 3) {
			vpHeight = 80;
		} else if (count <= 6) {
			vpHeight = 140;
		} else {
			vpHeight = 200;
		}

		ViewGroup.LayoutParams layoutParams = collectionViewPager.getLayoutParams();
		layoutParams.height = DisplayUtils.dip2px(context, vpHeight);
		collectionViewPager.setLayoutParams(layoutParams);

		dialog_ll_collection_hint.removeAllViews();
		int size = (int) Math.ceil(gameCollectionEntity.getSaveApkEntity().size() / (double) (row * column));
		addHintPoint(dialog_ll_collection_hint, size);

		collectionAdapter = new PlatformPagerAdapter(
				context, this, gameEntity, gameCollectionEntity.getSaveApkEntity(), entrance, location);
		collectionViewPager.setAdapter(collectionAdapter);

		collectionViewPager.addOnPageChangeListener(new MyPageChangeListener(dialog_ll_collection_hint));
	}

	// 隐藏合集
	@Override
	public void hideCollection() {
		dialog_ll_collection.setVisibility(View.GONE);
		collectionAdapter = null;
	}

	private class MyPageChangeListener implements OnPageChangeListener {

		private LinearLayout linearLayout;

		public MyPageChangeListener(LinearLayout linearLayout) {
			this.linearLayout = linearLayout;
		}

		@Override
		public void onPageScrolled(int i, float v, int i1) {

		}

		@Override
		public void onPageSelected(int position) {
			for (int i = 0, size = linearLayout.getChildCount(); i < size; i++) {
				if (i == position % size) {
					((ImageView) linearLayout.getChildAt(i))
							.setImageResource(R.drawable.oval_hint_up);
				} else {
					((ImageView) linearLayout.getChildAt(i))
							.setImageResource(R.drawable.oval_hint_gray_bg);
				}
			}
		}

		@Override
		public void onPageScrollStateChanged(int i) {

		}
	}

}