package com.gh.gamecenter.subject;

import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.gc.materialdesign.views.ProgressBarCircularIndeterminate;
import com.gh.base.BaseFragment;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.DownloadItemUtils;
import com.gh.common.util.StringUtils;
import com.gh.common.view.VerticalItemDecoration;
import com.gh.download.DataWatcher;
import com.gh.download.DownloadEntity;
import com.gh.download.DownloadManager;
import com.gh.gamecenter.R;
import com.gh.gamecenter.adapter.SubjectTypeAdapter;
import com.gh.gamecenter.entity.ApkEntity;
import com.gh.gamecenter.entity.GameEntity;
import com.gh.gamecenter.eventbus.EBDownloadStatus;
import com.gh.gamecenter.eventbus.EBNetworkState;
import com.gh.gamecenter.eventbus.EBPackage;

import java.util.ArrayList;

import butterknife.BindView;
import butterknife.OnClick;

/**
 * Created by khy on 27/05/17.
 */

public class SubjectTileFragment extends BaseFragment implements SubjectTypeAdapter.OnSelectTypeListener {

    @BindView(R.id.subject_list)
    RecyclerView subject_list;
    @BindView(R.id.subject_type_list)
    RecyclerView subject_type_list;
    @BindView(R.id.subject_pb_loading)
    ProgressBarCircularIndeterminate subject_pb_loading;
    @BindView(R.id.reuse_no_connection)
    LinearLayout reuse_no_connection;
    @BindView(R.id.reuse_none_data)
    LinearLayout mNoData;
    @BindView(R.id.subject_appbar)
    AppBarLayout mAppbar;
    @BindView(R.id.subject_coordinator)
    CoordinatorLayout mCoordinatorLayout;
    @BindView(R.id.subject_tabbar_hot_tv)
    TextView mTabbarHotTv;
    @BindView(R.id.subject_tabbar_new_tv)
    TextView mTabbarNewTv;

    TextView mActionBarTitle;

    private SubjectAdapter adapter;
    private LinearLayoutManager layoutManager;

    private String mId;
    private String mName;
    private String mEntrance;
    private String mType;
    private String mOrder;
    private String mTagType;

    private boolean mScorllTop = false;
    private boolean mIsOrder;
    private boolean isEverpause = false;
    private boolean mIsTouchScreen = false;

    private int page = 1;

    // 黄壮华 添加观察者 修改2015/8/15
    private DataWatcher dataWatcher = new DataWatcher() {
        @Override
        public void onDataChanged(DownloadEntity downloadEntity) {
            ArrayList<Integer> locationList = adapter.getLocationMap().get(downloadEntity.getPackageName());
            if (locationList != null) {
                GameEntity gameEntity;
                for (int location : locationList) {
                    gameEntity = adapter.getSubjectList().get(location);
                    if (gameEntity != null) {
                        DownloadItemUtils.processDate(getContext(), gameEntity, downloadEntity,
                                adapter, location);
                    }
                }
            }
        }
    };

    public void loadData() {
        subject_pb_loading.setVisibility(View.VISIBLE);
        subject_list.setVisibility(View.VISIBLE);
        reuse_no_connection.setVisibility(View.GONE);
        adapter = new SubjectAdapter(getContext(), SubjectTileFragment.this, mType, mId, mName, mEntrance, mOrder, mTagType, mIsOrder);
        subject_list.setAdapter(adapter);
    }


    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        init(R.layout.fragment_subject_tiled);
        Bundle arguments = getArguments();

        mActionBarTitle = (TextView) getActivity().findViewById(R.id.actionbar_tv_title);

        mId = arguments.getString("id");
        mName = arguments.getString("name");
        mIsOrder = arguments.getBoolean("order", false);
        mEntrance = arguments.getString("entrance");
        mTagType = arguments.getString("tagType");

        ArrayList<String> contentTitle = arguments.getStringArrayList("contentTitle");

        mType = "全部";

        reuse_no_connection.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                subject_pb_loading.setVisibility(View.VISIBLE);
                subject_list.setVisibility(View.VISIBLE);
                reuse_no_connection.setVisibility(View.GONE);
                adapter = new SubjectAdapter(getContext(), SubjectTileFragment.this, mType, mId, mName, mEntrance, mOrder, mTagType, mIsOrder);
                subject_list.setAdapter(adapter);
            }
        });

        // 设置标题
        GridLayoutManager layout = new GridLayoutManager(getContext(), 4) {
            @Override
            public boolean canScrollVertically() {
                return false;
            }
        };
        subject_type_list.setLayoutManager(layout);
        if (contentTitle != null && contentTitle.size() > 1) {
            ViewGroup.LayoutParams params = subject_type_list.getLayoutParams();
            params.height = (int) Math.ceil(contentTitle.size() / 4f) * DisplayUtils.dip2px(getContext(), 25);
            subject_type_list.setLayoutParams(params);
            ((DefaultItemAnimator) subject_type_list.getItemAnimator()).setSupportsChangeAnimations(false);
            SubjectTypeAdapter adapter = new SubjectTypeAdapter(getContext(), SubjectTileFragment.this, contentTitle);
            subject_type_list.setAdapter(adapter);
        }


        layoutManager = new LinearLayoutManager(getContext());

        ((DefaultItemAnimator) subject_list.getItemAnimator()).setSupportsChangeAnimations(false);
        subject_list.addItemDecoration(new VerticalItemDecoration(getContext(), 8, true));
        subject_list.setHasFixedSize(true);
        subject_list.setLayoutManager(layoutManager);
        adapter = new SubjectAdapter(getContext(), SubjectTileFragment.this, mType, mId, mName, mEntrance, mOrder, mTagType, mIsOrder);
        subject_list.setAdapter(adapter);

        subject_list.addOnScrollListener(new RecyclerView.OnScrollListener() {


            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                int position = layoutManager.findFirstCompletelyVisibleItemPosition();
                if (mScorllTop && position == 0 && newState == RecyclerView.SCROLL_STATE_IDLE) {
                    mScorllTop = false;
                    mAppbar.setExpanded(true, true);
                }


                if (!adapter.isRemove() && adapter.isLoaded() && newState == RecyclerView.SCROLL_STATE_IDLE
                        && adapter.getItemCount() == layoutManager.findLastVisibleItemPosition() + 1) {
                    adapter.initList(page);
                }
            }

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                int position = layoutManager.findFirstCompletelyVisibleItemPosition();
                if (!mIsTouchScreen && position == 0 && Math.abs(dy) > 10) {
                    mAppbar.setExpanded(true, true);
                }
            }
        });


        mAppbar.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
            @Override
            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
                int totalScrollRange = appBarLayout.getTotalScrollRange();
                if (Math.abs(verticalOffset) < totalScrollRange / 2) {
                    mActionBarTitle.setText(mName);
                } else if (Math.abs(verticalOffset) == totalScrollRange && totalScrollRange != 0) {
                    mActionBarTitle.setText(StringUtils.buildString(mName, "-", mType, "↑"));
                }
            }
        });

        mActionBarTitle.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (layoutManager.findFirstCompletelyVisibleItemPosition() == 0 || adapter.getItemCount() == 0) {
                    mAppbar.setExpanded(true, true);
                } else {
                    layoutManager.smoothScrollToPosition(subject_list, null, 0);
                    mScorllTop = true;
                }
            }
        });
    }

    public void onTouchEvent(MotionEvent ev) {
        switch (ev.getAction()) {
            case MotionEvent.ACTION_DOWN:
                mIsTouchScreen = true;
                break;
            case MotionEvent.ACTION_UP:
                mIsTouchScreen = false;
                break;
        }
    }

    @Override
    public void loadError() {
        if (subject_pb_loading != null && subject_pb_loading.getVisibility() == View.VISIBLE) {
            subject_pb_loading.setVisibility(View.GONE);
        }
        toast("加载失败，请检查网络状态");
        subject_list.setVisibility(View.GONE);
        reuse_no_connection.setVisibility(View.VISIBLE);
        mNoData.setVisibility(View.GONE);
    }

    @Override
    public void loadDone() {
        mNoData.setVisibility(View.GONE);
        if (subject_pb_loading != null && subject_pb_loading.getVisibility() == View.VISIBLE) {
            subject_pb_loading.setVisibility(View.GONE);
        }
        page++;
    }

    @Override
    public void loadEmpty() {
        super.loadEmpty();
        mNoData.setVisibility(View.VISIBLE);
        reuse_no_connection.setVisibility(View.GONE);
    }


    // 下载被删除事件
    public void onEventMainThread(EBDownloadStatus status) {
        if ("delete".equals(status.getStatus())) {
            DownloadManager.getInstance(getContext()).removePlatform(status.getName(), status.getPlatform());

            ArrayList<Integer> locationList = adapter.getLocationMap().get(status.getPackageName());
            if (locationList != null) {
                GameEntity gameEntity;
                for (int location : locationList) {
                    gameEntity = adapter.getSubjectList().get(location);
                    if (gameEntity != null && gameEntity.getEntryMap() != null) {
                        gameEntity.getEntryMap().remove(status.getPlatform());
                    }
                    adapter.notifyItemChanged(location);
                }
            }
        }
    }

    public void onEventMainThread(EBPackage busFour) {
        ArrayList<Integer> locationList = adapter.getLocationMap().get(busFour.getPackageName());
        if (locationList != null) {
            GameEntity gameEntity;
            for (int location : locationList) {
                if ("安装".equals(busFour.getType())) {
                    gameEntity = adapter.getSubjectList().get(location);
                    for (ApkEntity apkEntity : gameEntity.getApk()) {
                        if (apkEntity.getPackageName().equals(busFour.getPackageName())) {
                            if (gameEntity.getEntryMap() != null) {
                                gameEntity.getEntryMap().remove(apkEntity.getPlatform());
                            }
                            adapter.notifyItemChanged(location);
                            break;
                        }
                    }
                } else if ("卸载".equals(busFour.getType())) {
                    adapter.notifyItemChanged(location);
                }
            }
        }
    }

    //连接上网络事件
    public void onEventMainThread(EBNetworkState busNetworkState) {
        if (busNetworkState.isNetworkConnected()) {
            if (reuse_no_connection.getVisibility() == View.VISIBLE) {
                subject_list.setVisibility(View.VISIBLE);
                subject_pb_loading.setVisibility(View.VISIBLE);
                reuse_no_connection.setVisibility(View.GONE);
                adapter = new SubjectAdapter(getContext(), SubjectTileFragment.this, mType, mId, mName, mEntrance, mOrder, mTagType, mIsOrder);
                subject_list.setAdapter(adapter);
            }
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        if (isEverpause) {
            for (GameEntity entity : adapter.getSubjectList()) {
                entity.setEntryMap(DownloadManager.getInstance(getContext()).getEntryMap(entity.getName()));
            }
        }
        isEverpause = false;
        DownloadManager.getInstance(getContext()).addObserver(dataWatcher);
    }

    @Override
    public void onPause() {
        super.onPause();
        isEverpause = true;
        DownloadManager.getInstance(getContext()).removeObserver(dataWatcher);
    }

    @Override
    public void onSelectType(String type) {
        page = 1;
        this.mType = type;
        subject_list.setVisibility(View.VISIBLE);
        subject_pb_loading.setVisibility(View.VISIBLE);
        reuse_no_connection.setVisibility(View.GONE);
        adapter = new SubjectAdapter(getContext(), this, type, mId, mName, mEntrance, mOrder, mTagType, mIsOrder);
        subject_list.setAdapter(adapter);
    }

    @OnClick({R.id.subject_tabbar_hot_tv, R.id.subject_tabbar_new_tv})
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.subject_tabbar_hot_tv:
                mTabbarHotTv.setTextColor(Color.WHITE);
                mTabbarHotTv.setBackgroundResource(R.drawable.gamedetail_tag_select_bg);
                mTabbarNewTv.setTextColor(Color.BLACK);
                mTabbarNewTv.setBackgroundDrawable(new ColorDrawable(0));
                mOrder = "";
                loadData();
                break;
            case R.id.subject_tabbar_new_tv:
                mTabbarHotTv.setTextColor(Color.BLACK);
                mTabbarHotTv.setBackgroundDrawable(new ColorDrawable(0));
                mTabbarNewTv.setTextColor(Color.WHITE);
                mTabbarNewTv.setBackgroundResource(R.drawable.gamedetail_tag_unselect_bg);
                mOrder = "latest";
                loadData();
                break;
        }

    }
}