package com.gh.gamecenter;

import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
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.BaseFragmentActivity;
import com.gh.common.util.DisplayUtils;
import com.gh.download.DownloadManager;
import com.gh.gamecenter.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 java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import de.greenrobot.event.EventBus;

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

	@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_send) LinearLayout downloadmanager_ll_send;
	@BindView(R.id.downloadmanager_ll_update) LinearLayout downloadmanager_ll_update;
	@BindView(R.id.downloadmanager_slide_line) View downloadmanager_slide_line;

	private LinearLayout.LayoutParams lparams;

	private int width;

	private Handler handler = new Handler();

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

		View contentView = View.inflate(this, R.layout.activity_downloadmanager, null);
		init(contentView, "下载管理");

		downloadmanager_ll_download.setOnClickListener(this);
		downloadmanager_ll_update.setOnClickListener(this);
		downloadmanager_ll_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", -1);
			if (getIntent().getBundleExtra("data") != null) {
				currentItem = getIntent().getBundleExtra("data").getInt("currentItem", -1);
			}
		}
		if (currentItem == -1) {
			currentItem = 0;
//			if (updateSize != 0 && downloadSize == 0) {
//				currentItem = 1;
//			} else {
//				currentItem = 0;
//			}
		}

		DisplayMetrics outMetrics = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
		width = outMetrics.widthPixels / 3;
		lparams = new LinearLayout.LayoutParams(width / 2,
				DisplayUtils.dip2px(getApplicationContext(), 2));
		lparams.leftMargin = (int) (width * (currentItem + 0.25f));
		downloadmanager_slide_line.setLayoutParams(lparams);

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

	@Override
	public void onPageSelected(int position) {
		if (position == 1) {
			EventBus.getDefault().post(new EBUISwitch("DownloadManagerActivity", 1));
			downloadmanager_tv_download.setTextColor(getResources().getColor(R.color.theme));
			downloadmanager_tv_update.setTextColor(getResources().getColor(R.color.title));
			downloadmanager_tv_send.setTextColor(getResources().getColor(R.color.title));
		} else if (position == 2){
			EventBus.getDefault().post(new EBUISwitch("DownloadManagerActivity", 2));
			downloadmanager_tv_download.setTextColor(getResources().getColor(R.color.title));
			downloadmanager_tv_update.setTextColor(getResources().getColor(R.color.theme));
			downloadmanager_tv_send.setTextColor(getResources().getColor(R.color.title));
		} else {
			downloadmanager_tv_download.setTextColor(getResources().getColor(R.color.title));
			downloadmanager_tv_update.setTextColor(getResources().getColor(R.color.title));
			downloadmanager_tv_send.setTextColor(getResources().getColor(R.color.theme));
		}
	}

	@Override
	public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
		if (positionOffset != 0) {
			lparams.leftMargin = (int) (width * (position + positionOffset + 0.25f));
			downloadmanager_slide_line.setLayoutParams(lparams);
		}
	}

	@Override
	public void onPageScrollStateChanged(int state) {

	}

	@Override
	public void onClick(View view) {
		final int id = view.getId();
		if (id == R.id.actionbar_rl_back) {
			finish();
		} else if (id == R.id.downloadmanager_ll_download) {
			downloadmanager_viewPager.setCurrentItem(1);
		} else if (id == R.id.downloadmanager_ll_update) {
			downloadmanager_viewPager.setCurrentItem(2);
		} else if (id == R.id.downloadmanager_ll_send) {
			downloadmanager_viewPager.setCurrentItem(0);
		}
	}

	public void onEventMainThread(EBMiPush mipush){
		if ("plugin_install".equals(mipush.getFrom())) {
			downloadmanager_ll_download.performClick();
		}
	}
	
	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);
				}
			}
		}
	}

	public void onEventMainThread(EBSkip skip) {
		if ("DownloadManagerActivity".equals(skip.getType())) {
			if (skip.getCurrentItem() == 0) {
				handler.postDelayed(runnable, 300);
			}
		}
	}

	Runnable runnable = new Runnable() {
		@Override
		public void run() {
			downloadmanager_ll_download.performClick();
		}
	};

}