package com.gh.gamecenter;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.gh.base.BaseActivity;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.EntranceUtils;
import com.gh.download.DownloadManager;
import com.gh.base.adapter.FragmentAdapter;
import com.gh.gamecenter.download.FileSendFragment;
import com.gh.gamecenter.download.GameDownloadFragment;
import com.gh.gamecenter.download.GameUpdateFragment;
import com.gh.gamecenter.eventbus.EBDownloadChanged;
import com.gh.gamecenter.eventbus.EBMiPush;
import com.gh.gamecenter.eventbus.EBSkip;
import com.gh.gamecenter.eventbus.EBUISwitch;
import com.gh.gamecenter.manager.PackageManager;

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

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;

/**
 * 下载更新管理页面
 *
 * @author 黄壮华
 */
public class DownloadManagerActivity extends BaseActivity implements OnClickListener, OnPageChangeListener {

    public static final int INDEX_SEND = 2;
    public static final int INDEX_DOWNLOAD = 0;
    public static final int INDEX_UPDATE = 1;

    public static final String TAG = "DownloadManagerActivity";

    @BindView(R.id.downloadmanager_viewPager)
    ViewPager downloadmanager_viewPager;
    @BindView(R.id.downloadmanager_tv_download)
    TextView downloadmanager_tv_download;
    @BindView(R.id.downloadmanager_tv_update)
    TextView downloadmanager_tv_update;
    @BindView(R.id.downloadmanager_download_number)
    TextView downloadmanager_download_number;
    @BindView(R.id.downloadmanager_tv_send)
    TextView downloadmanager_tv_send;
    @BindView(R.id.downloadmanager_update_number)
    TextView downloadmanager_update_number;
    @BindView(R.id.downloadmanager_ll_download)
    LinearLayout downloadmanager_ll_download;
    @BindView(R.id.downloadmanager_ll_update)
    LinearLayout downloadmanager_ll_update;
    @BindView(R.id.downloadmanager_slide_line)
    View downloadmanager_slide_line;
    Runnable runnable = new Runnable() {
        @Override
        public void run() {
            downloadmanager_ll_download.performClick();
        }
    };
    private LinearLayout.LayoutParams lparams;
    private int width;

    public static Intent getDownloadMangerIntent(Context context, String url, String entrance) {
        Intent intent = new Intent(context, DownloadManagerActivity.class);
        intent.putExtra("url", url);
        intent.putExtra(EntranceUtils.KEY_ENTRANCE, entrance);
        return intent;
    }

    public static void startDownloadManagerActivity(Context context, String url, String entrance) {
        Intent intent = new Intent(context, DownloadManagerActivity.class);
        intent.putExtra("url", url);
        intent.putExtra(EntranceUtils.KEY_ENTRANCE, entrance);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("CurrentItem", downloadmanager_viewPager.getCurrentItem());
    }

    @Override
    protected int getLayoutId() {
        return R.layout.activity_downloadmanager;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        initTitle(getString(R.string.title_downloadmanager));

        downloadmanager_ll_download.setOnClickListener(this);
        downloadmanager_ll_update.setOnClickListener(this);
        downloadmanager_tv_send.setOnClickListener(this);

        int updateSize = PackageManager.getUpdateList().size();
        if (updateSize != 0) {
            downloadmanager_update_number.setVisibility(View.VISIBLE);
            downloadmanager_update_number.setText(String.valueOf(updateSize));
        } else {
            downloadmanager_update_number.setVisibility(View.GONE);
        }

        int downloadSize = DownloadManager.getInstance(getApplicationContext()).getAll().size();
        if (downloadSize != 0) {
            downloadmanager_download_number.setVisibility(View.VISIBLE);
            downloadmanager_download_number.setText(String.valueOf(downloadSize));
        } else {
            downloadmanager_download_number.setVisibility(View.GONE);
        }

        int currentItem;
        if (savedInstanceState != null) {
            currentItem = savedInstanceState.getInt("CurrentItem");
        } else {
            currentItem = getIntent().getIntExtra("currentItem", 0);
            if (getIntent().getBundleExtra("data") != null) {
                currentItem = getIntent().getBundleExtra("data").getInt("currentItem", 0);
            }
        }

        DisplayMetrics outMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
        width = outMetrics.widthPixels / 3;
        lparams = new LinearLayout.LayoutParams((int) (width * 0.7),
                DisplayUtils.dip2px(getApplicationContext(), 2));
        lparams.leftMargin = (int) (width * (currentItem + 0.17f));
        downloadmanager_slide_line.setLayoutParams(lparams);

        List<Fragment> list = new ArrayList<>();
        list.add(new GameDownloadFragment());
        list.add(new GameUpdateFragment());
        list.add(new FileSendFragment());
        downloadmanager_viewPager.setAdapter(new FragmentAdapter(getSupportFragmentManager(), list));
        downloadmanager_viewPager.addOnPageChangeListener(this);
        downloadmanager_viewPager.setCurrentItem(currentItem);
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        if (positionOffset != 0) {
            lparams.leftMargin = (int) (width * (position + positionOffset + 0.17f));
            downloadmanager_slide_line.setLayoutParams(lparams);
        }
    }

    @Override
    public void onPageSelected(int position) {
        if (position == 0) {
            EventBus.getDefault().post(new EBUISwitch(DownloadManagerActivity.TAG, 0));
            downloadmanager_tv_download.setTextColor(ContextCompat.getColor(this, R.color.theme));
            downloadmanager_tv_update.setTextColor(ContextCompat.getColor(this, R.color.title));
            downloadmanager_tv_send.setTextColor(ContextCompat.getColor(this, R.color.title));
        } else if (position == 1) {
            EventBus.getDefault().post(new EBUISwitch(DownloadManagerActivity.TAG, 0));
            downloadmanager_tv_download.setTextColor(ContextCompat.getColor(this, R.color.title));
            downloadmanager_tv_update.setTextColor(ContextCompat.getColor(this, R.color.theme));
            downloadmanager_tv_send.setTextColor(ContextCompat.getColor(this, R.color.title));
        } else {
            downloadmanager_tv_download.setTextColor(ContextCompat.getColor(this, R.color.title));
            downloadmanager_tv_update.setTextColor(ContextCompat.getColor(this, R.color.title));
            downloadmanager_tv_send.setTextColor(ContextCompat.getColor(this, R.color.theme));
        }
    }

    @Override
    public void onPageScrollStateChanged(int state) {

    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.downloadmanager_tv_send:
                downloadmanager_viewPager.setCurrentItem(INDEX_SEND);
                break;
            case R.id.downloadmanager_ll_download:
                downloadmanager_viewPager.setCurrentItem(INDEX_DOWNLOAD);
                break;
            case R.id.downloadmanager_ll_update:
                downloadmanager_viewPager.setCurrentItem(INDEX_UPDATE);
                break;
        }

    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(EBMiPush mipush) {
        if ("plugin_install".equals(mipush.getFrom())) {
            downloadmanager_ll_download.performClick();
        }
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(EBDownloadChanged changed) {
        if ("download".equals(changed.getType())) {
            if (changed.getVisibility() == View.VISIBLE) {
                downloadmanager_download_number.setVisibility(View.VISIBLE);
            } else if (changed.getVisibility() == View.GONE) {
                downloadmanager_download_number.setVisibility(View.GONE);
            } else if (changed.getVisibility() == View.INVISIBLE) {
                downloadmanager_download_number.setVisibility(View.INVISIBLE);
            }
            downloadmanager_download_number.setText(String.valueOf(changed.getSize()));
        } else if ("update".equals(changed.getType())) {
            if (changed.getSize() == -1) {
                int number = Integer.valueOf(downloadmanager_update_number.getText().toString());
                if (number == 1) {
                    downloadmanager_update_number.setVisibility(View.GONE);
                } else {
                    downloadmanager_update_number.setText(String.valueOf(number - 1));
                }
            } else {
                if (changed.getSize() != 0) {
                    if (changed.getVisibility() == View.VISIBLE) {
                        downloadmanager_update_number.setVisibility(View.VISIBLE);
                    } else if (changed.getVisibility() == View.GONE) {
                        downloadmanager_update_number.setVisibility(View.GONE);
                    } else if (changed.getVisibility() == View.INVISIBLE) {
                        downloadmanager_update_number.setVisibility(View.INVISIBLE);
                    }
                    downloadmanager_update_number.setText(String.valueOf(changed.getSize()));
                } else {
                    downloadmanager_update_number.setVisibility(View.GONE);
                }
            }
        }
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventMainThread(EBSkip skip) {
        if (DownloadManagerActivity.TAG.equals(skip.getType())) {
            if (skip.getCurrentItem() == 1) {
                getWindow().getDecorView().postDelayed(runnable, 300);
            }
        }
    }

}