package com.gh.common.view;

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
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.download.DownloadManager;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.PackageUtils;
import com.gh.common.util.PlatformUtils;
import com.lightgame.utils.Utils;
import com.gh.gamecenter.R;
import com.gh.gamecenter.adapter.OnCollectionCallBackListener;
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.manager.PackageManager;
import com.lightgame.download.DataWatcher;
import com.lightgame.download.DownloadEntity;
import com.lightgame.download.DownloadStatus;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

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


/**
 * @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 mContext;

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

                adapter.putDownloadEntity(downloadEntity);

                if (collectionAdapter != null) {
                    collectionAdapter.putDownloadEntity(downloadEntity);
                }
            }
        }
    };
    private LinearLayout dialog_ll_collection_hint;
    private String entrance;
    private String location;
    private int row;
    private int column;
    private boolean isLoadPlatform;

    private DownloadDialog() {
    }

    private DownloadDialog(Context context) {
        mContext = context;
        isShow = false;
    }

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

    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 = PreferenceManager.getDefaultSharedPreferences(mContext);
        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(mContext, 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(mContext).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(mContext).addObserver(dataWatcher);
    }

    private ArrayList<ApkEntity> sortApk(ArrayList<ApkEntity> apkList) {
        /*
         * 安装插件 10
		 * 插件化下载中 9
		 * 插件化 8
		 * 安装更新 7
		 * 更新下载中 6
		 * 更新 5
		 * 安装 4
		 * 下载中 3
		 * 启动 2
		 * 默认（有图片）1
		 * 默认（无图片）0
		 */

        DownloadEntity downloadEntity;
        String packageName;
        Object gh_id;
        for (ApkEntity apkEntity : apkList) {
            downloadEntity = DownloadManager.getInstance(mContext).get(apkEntity.getUrl());
            if (downloadEntity == null) {
                packageName = apkEntity.getPackageName();
                if (PackageManager.isInstalled(packageName)) {
                    gh_id = PackageUtils.getMetaData(mContext, packageName, "gh_id");
                    if (gh_id == null || gh_id.equals(gameEntity.getId())) {
                        if (!PackageUtils.isSignature(mContext, packageName)) {
                            apkEntity.setOrder(8);
                        } else if (PackageManager.isCanUpdate(gameEntity.getId(), packageName)) {
                            apkEntity.setOrder(5);
                        } else {
                            apkEntity.setOrder(2);
                        }
                        continue;
                    }
                }
                apkEntity.setOrder(1);

                String platform = apkEntity.getPlatform();
                int id = PlatformUtils.getInstance(mContext).getPlatformPic(platform);
                if (id == 0) {
                    String path = PlatformUtils.getInstance(mContext).getPlatformPicPath(platform);
                    if (path == null) {
                        apkEntity.setOrder(0);
                    }
                }
            } else {
                if (downloadEntity.getStatus().equals(DownloadStatus.done)) {
                    if (downloadEntity.isPluggable()) {
                        apkEntity.setOrder(10);
                    } else if (downloadEntity.isUpdate()) {
                        apkEntity.setOrder(7);
                    } else {
                        apkEntity.setOrder(4);
                    }
                } else {
                    if (downloadEntity.isPluggable()) {
                        apkEntity.setOrder(9);
                    } else if (downloadEntity.isUpdate()) {
                        apkEntity.setOrder(6);
                    } else {
                        apkEntity.setOrder(3);
                    }
                }
            }
        }
        Comparator<ApkEntity> comparator = new Comparator<ApkEntity>() {
            @Override
            public int compare(ApkEntity lhs, ApkEntity rhs) {
                return rhs.getOrder() - lhs.getOrder();
            }
        };
        Collections.sort(apkList, comparator);
        return apkList;
    }

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

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

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

        gameApk = gameCollectionApk;
    }

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

        ApkEntity skipEntiy = new ApkEntity();
        skipEntiy.setPackageName("求版本");
        apkList.add(skipEntiy); // 添加一个跳转投票

        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 = 88;
        } else if (count <= 6) {
            vpHeight = 148;
        } else {
            vpHeight = 208;
        }
        ViewGroup.LayoutParams layoutParams = viewPager.getLayoutParams();
        layoutParams.height = DisplayUtils.dip2px(mContext, vpHeight);
        viewPager.setLayoutParams(layoutParams);

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

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

    // 接收安装成功的消息，更新界面
    @Subscribe(threadMode = ThreadMode.MAIN)
    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
    @Subscribe(threadMode = ThreadMode.MAIN)
    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(mContext).putStatus(url, "delete");
        }
    }

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

    // 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(mContext, 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(
                mContext, 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) {

        }
    }

}