package cn.com.basic.face.base;

import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.bsk.zhangbo.demoforbsk.R;
import cn.com.basic.face.fragment.SurveillanceFragment;
import cn.com.basic.face.util.TabNameUtil;
import cn.com.basic.face.fragment.AttendanceFragment;
import cn.com.basic.face.fragment.CheckInFragment;
import cn.com.basic.face.fragment.DeviceFragment;
import cn.com.basic.face.fragment.PhoneCallFragment;
import cn.com.basic.face.fragment.RegisterFragment;
import cn.com.basic.face.fragment.VisitFragment;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class MainActivity extends BaseActivity {

    private static MainActivity instance;

    private static TabLayout mTabLayout;
    private static ViewPager mViewPager;

    public static void selectPage(int pageNum) {
        mTabLayout.getTabAt(pageNum).select();
    }

    @Override
    public int getLayoutId() {
        return R.layout.activity_main;
    }

    @Override
    public void initViews(Bundle savedInstanceState) {
        mTabLayout = (TabLayout) findViewById(R.id.tab_layout);
        mViewPager = (ViewPager) findViewById(R.id.viewpager);
        mTabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
        instance = this;
    }

    @Override
    public void initData() {
        List<String> tabNamesList = Arrays.asList(TabNameUtil.tabNames);
        int[] tabIcons = TabNameUtil.tabIcons;
        MyFragmentPagerAdapter myFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager(),MainActivity.this);
        myFragmentPagerAdapter.addFragment(SurveillanceFragment.getInstance(), tabNamesList.get(0),tabIcons[0]);
        myFragmentPagerAdapter.addFragment(RegisterFragment.getInstance(), tabNamesList.get(1),tabIcons[1]);
        myFragmentPagerAdapter.addFragment(CheckInFragment.getInstance(), tabNamesList.get(2),tabIcons[2]);
        myFragmentPagerAdapter.addFragment(PhoneCallFragment.getInstance(), tabNamesList.get(3),tabIcons[3]);
        myFragmentPagerAdapter.addFragment(VisitFragment.getInstance(), tabNamesList.get(4),tabIcons[4]);
        myFragmentPagerAdapter.addFragment(AttendanceFragment.getInstance(), tabNamesList.get(5),tabIcons[5]);
        myFragmentPagerAdapter.addFragment(DeviceFragment.getInstance(), tabNamesList.get(6),tabIcons[6]);
        mViewPager.setAdapter(myFragmentPagerAdapter);
        mViewPager.setOffscreenPageLimit(6);//viewpager缓存个数
        mTabLayout.setupWithViewPager(mViewPager);
        mTabLayout.setTabMode(TabLayout.MODE_FIXED);
        for (int i = 0; i < mTabLayout.getTabCount(); i++) {
            TabLayout.Tab tab = mTabLayout.getTabAt(i);
            LinearLayout view = (LinearLayout)myFragmentPagerAdapter.getTabView(i);
            tab.setCustomView(view);
            if (i == 0) {
                tab.getCustomView().setSelected(true);
            }
        }
        myThread = new MyThread();
        myThread.start();

    }

    public static MainActivity getInstance() {
        return instance;
    }

    public static class MyFragmentPagerAdapter extends FragmentPagerAdapter {

        private final List<Fragment> mFragments = new ArrayList<>();
        private final List<String> mFragmentTitles = new ArrayList<>();
        private final List<Integer> mFragmentIcons = new ArrayList<>();
        private Context context;
        public MyFragmentPagerAdapter(FragmentManager fm, Context context) {
            super(fm);
            this.context = context;
        }

        public void addFragment(Fragment fragment, String title,int drawable) {
            mFragments.add(fragment);
            mFragmentTitles.add(title);
            mFragmentIcons.add(drawable);
        }

        @Override
        public Fragment getItem(int position) {
            return mFragments.get(position);
        }

        @Override
        public int getCount() {
            return mFragments.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return null;
        }

        public View getTabView(int position){
            View view = LayoutInflater.from(context).inflate(R.layout.activity_main_tab,null);
            TextView mTvTitle = (TextView) view.findViewById(R.id.tab_item_title);
            mTvTitle.setText(mFragmentTitles.get(position));
            ImageView mImgIcon = (ImageView) view.findViewById(R.id.tab_item_icon);
            mImgIcon.setImageResource(mFragmentIcons.get(position));
            return view;
        }

    }

    boolean doubleBackToExitPressedOnce = false;

    @Override
    public void onBackPressed() {
        if (doubleBackToExitPressedOnce) {
            super.onBackPressed();
            return;
        }

        this.doubleBackToExitPressedOnce = true;
        Toast.makeText(this, "请再次按返回键退出", Toast.LENGTH_SHORT).show();

        new Handler().postDelayed(new Runnable() {

            @Override
            public void run() {
                doubleBackToExitPressedOnce=false;
            }
        }, 2000);
    }


    private MyThread myThread;
    class MyThread extends Thread{
        @Override
        public void run() {
            try {
                setBmpDecodeEnv();
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
    /**
     * 将raw下的文件复制到sdCard
     */
    public boolean setBmpDecodeEnv() {

        String path=getFilesDir().getAbsolutePath();
        String filename = "base.dat";
        try{
            String databaseFilename = path + "/" + filename;
            File dir = new File(path);
            if (!dir.exists())
                dir.mkdir();
            if (!(new File(databaseFilename)).exists()){
                InputStream is = getResources().openRawResource(R.raw.base);
                FileOutputStream fos = new FileOutputStream(databaseFilename);
                byte[] buffer = new byte[8192];
                int count = 0;
                while ((count = is.read(buffer)) > 0)
                {
                    fos.write(buffer, 0, count);
                }
                fos.close();
                is.close();
            }
        }
        catch (Exception e){
            System.out.println(e.getMessage());
            return false;
        }

        String filename1 = "license.lic";
        try{
            String databaseFilename = path + "/" + filename1;
            File dir = new File(path);
            if (!dir.exists())
                dir.mkdir();
            if (!(new File(databaseFilename)).exists()){
                InputStream is = getResources().openRawResource(R.raw.license);
                FileOutputStream fos = new FileOutputStream(databaseFilename);
                byte[] buffer = new byte[8192];
                int count = 0;
                while ((count = is.read(buffer)) > 0)
                {
                    fos.write(buffer, 0, count);
                }
                fos.close();
                is.close();
            }
        }
        catch (Exception e){
            System.out.println(e.getMessage());
            return false;
        }
        return true;
    }

}