package cn.shangyu.gdxzExpert.activity;

import android.app.Dialog;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.BaseAdapter;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import com.gyf.immersionbar.ImmersionBar;

import java.io.File;
import java.util.ArrayList;

import cn.shangyu.gdxzExpert.R;
import cn.shangyu.gdxzExpert.base.BaseActivity;
import cn.shangyu.gdxzExpert.ecdemo.storage.CoursewareBookDownloadSqlManager;
import cn.shangyu.gdxzExpert.ecdemo.ui.chatting.model.DownloadModel;
import cn.shangyu.gdxzExpert.pulltorefreshview.PullToRefreshBase;
import cn.shangyu.gdxzExpert.pulltorefreshview.PullToRefreshBase.Mode;
import cn.shangyu.gdxzExpert.pulltorefreshview.PullToRefreshBase.OnRefreshListener;
import cn.shangyu.gdxzExpert.pulltorefreshview.PullToRefreshListView;
import cn.shangyu.gdxzExpert.utils.CommonUtil;
import cn.shangyu.gdxzExpert.utils.Constant;
import cn.shangyu.gdxzExpert.utils.SharePrefUtil;
import cn.shangyu.gdxzExpert.utils.TikaUtil;
import cn.shangyu.gdxzExpert.utils.ToastUtil;
import cn.shangyu.gdxzExpert.utils.UIUtils;
import cn.shangyu.gdxzExpert.widget.ECListDialog;
import cn.shangyu.gdxzExpert.widget.LoadingPage.ResultState;

public class MyDownLoadCourseActivity extends BaseActivity implements
		OnItemClickListener, OnItemLongClickListener {
	private PullToRefreshListView ptrLv;
	private TextView load_empty;
	private ArrayList<DownloadModel> list = new ArrayList<DownloadModel>();;
	public final static int REQUESTCODE = 222;
	private static MyDownLoadCourseActivity instance;
	private CourseDownLoadAdapter mAdapter;
	CoursewareBookDownloadSqlManager sq;
	SQLiteDatabase db;

	public static MyDownLoadCourseActivity getInstance() {
		return instance;
	}

	@Override
	public void setTitle() {
		top_back_layout.setVisibility(View.VISIBLE);
		top_title.setText("课件文档");
	}

	@Override
	public View onCreateSuccessedView() {
		ImmersionBar.with(this).keyboardEnable(true).statusBarDarkFont(true).titleBar(mToolbar).init();
		View view = View.inflate(ct, R.layout.activity_my_download, null);
		instance = this;
		ptrLv = (PullToRefreshListView) view.findViewById(R.id.lv_item_down);// 下拉刷新的listview控件

		// 处理正在加载，空，错误的布局
		load_empty = (TextView) view.findViewById(R.id.load_empty);
		ll_loading = (FrameLayout) view.findViewById(R.id.ll_loading);
		ll_load_progress = (LinearLayout) view
				.findViewById(R.id.ll_load_progress);
		tv_load_fail = (TextView) view.findViewById(R.id.tv_load_fail);

		// 设置只有下拉刷新
		ptrLv.setMode(Mode.DISABLED);
		// 得到实际的ListView 设置点击
		ptrLv.getRefreshableView().setOnItemClickListener(this);
		ptrLv.getRefreshableView().setOnItemLongClickListener(this);
		ptrLv.setOnRefreshListener(new OnRefreshListener<ListView>() {

			@Override
			public void onRefresh(PullToRefreshBase<ListView> refreshView) {
				// getDownLoadList(url);
			}
		});
		db = openOrCreateDatabase("courseware.db", MODE_PRIVATE, null);
		sq = new CoursewareBookDownloadSqlManager(db);
		load_empty.setText("您暂未下载课件");
		initData();
		return view;
	}

	@Override
	public ResultState onLoad() {
		return ResultState.STATE_SUCCESSED;
	}

	/**
	 * 实例化数据
	 */
	private void initData() {
		showProgressDialog("正在加载");
		list.clear();
		ArrayList<DownloadModel> downList;
		ArrayList<DownloadModel> downListold;
		downList = CoursewareBookDownloadSqlManager.getDownloadInfoByState(2);
		downListold= CoursewareBookDownloadSqlManager.getDownloadInfoByState(4);
		if (downListold != null &&!downListold.isEmpty())
		{
			if (downList == null || downList.isEmpty())
			{
				downList=new ArrayList<>();
			}
			downList.addAll(downListold);

		}

		if (downList == null || downList.isEmpty()) {
			ptrLv.setEmptyView(load_empty);
		} else {
			for (int i = 0; i < downList.size(); i++) {
				list.add(0, downList.get(i));
			}
			if (mAdapter == null) {
				mAdapter = new CourseDownLoadAdapter();
				ptrLv.getRefreshableView().setAdapter(mAdapter);

			} else {
				mAdapter.notifyDataSetChanged();

			}
			onLoaded();
		}
		closeProgressDialog();

	}

	public void notifyAdapter() {
		if (mAdapter != null) {
			mAdapter.notifyDataSetChanged();
		}
	}

	/**
	 * 数据加载完成时，取消加载动画
	 */
	private void onLoaded() {
		dismissLoadingProgress();
		ptrLv.onRefreshComplete();
	}

	@Override
	protected void processClick(View v) {

	}

	// android获取一个用于打开Word文件的intent
	public void openWordFile(String Path, String uuid,int position) {
		File file = new File(Path);
		SharedPreferences sp =  getSharedPreferences(SharePrefUtil.SP_DOWN, Context.MODE_PRIVATE);
		String fileMD5_ = sp.getString(uuid+"fileMD5","");
		String fileMD5 = TikaUtil.getFileMD5(file);
		if (TextUtils.isEmpty(fileMD5_)){
			Intent intent = new Intent("android.intent.action.VIEW");
			intent.addCategory("android.intent.category.DEFAULT");
			intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			Uri uri = Uri.fromFile(file);
			intent.setDataAndType(uri, "application/msword");
			try {
				ct.startActivity(intent);
			} catch (ActivityNotFoundException e) {
				ToastUtil.showToast("打开失败, 请安装相应应用!");
			}
		}else if (file.exists()&&fileMD5_.contains(fileMD5)) {
			Intent intent = new Intent("android.intent.action.VIEW");
			intent.addCategory("android.intent.category.DEFAULT");
			intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			Uri uri = Uri.fromFile(file);
			intent.setDataAndType(uri, "application/msword");
			try {
				ct.startActivity(intent);
			} catch (ActivityNotFoundException e) {
				ToastUtil.showToast("打开失败, 请安装相应应用!");
			}
		} else {
			list.remove(position);
			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			mAdapter.notifyDataSetChanged();

			if (list.isEmpty()) {
				ptrLv.setEmptyView(load_empty);
			}
			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			ToastUtil.showToast("打开失败，已经删除，请重新下载！");
		}

	}

	public void openPPTFile(String Path, String uuid,int position) {
		File file = new File(Path);
		SharedPreferences sp =  getSharedPreferences(SharePrefUtil.SP_DOWN, Context.MODE_PRIVATE);
		String fileMD5_ = sp.getString(uuid+"fileMD5","");
		String fileMD5 = TikaUtil.getFileMD5(file);
		if (TextUtils.isEmpty(fileMD5_)){
			Intent intent = new Intent("android.intent.action.VIEW");
			intent.addCategory("android.intent.category.DEFAULT");
			intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			Uri uri = Uri.fromFile(file);
			intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
			try {
				ct.startActivity(intent);
			} catch (ActivityNotFoundException e) {
				ToastUtil.showToast("打开失败, 请安装相应应用!");
			}
		}else  if (file.exists()&&fileMD5_.contains(fileMD5)) {
			Intent intent = new Intent("android.intent.action.VIEW");
			intent.addCategory("android.intent.category.DEFAULT");
			intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			Uri uri = Uri.fromFile(file);
			intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
			try {
				ct.startActivity(intent);
			} catch (ActivityNotFoundException e) {
				ToastUtil.showToast("打开失败, 请安装相应应用!");
			}
		} else {

			list.remove(position);
			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			mAdapter.notifyDataSetChanged();
			if (list.isEmpty()) {
				ptrLv.setEmptyView(load_empty);
			}
			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			ToastUtil.showToast("打开失败，已经删除，请重新下载！");
		}
	}

	public void openPDFFile(final String path, String uuid,int position) {
		File file = new File(path);
		SharedPreferences sp =  getSharedPreferences(SharePrefUtil.SP_DOWN, Context.MODE_PRIVATE);
		String fileMD5_ = sp.getString(uuid+"fileMD5","");
		String fileMD5 = TikaUtil.getFileMD5(file);

		if (TextUtils.isEmpty(fileMD5_)){
			Intent intent1 = new Intent(MyDownLoadCourseActivity.this,PdfViewActivity.class);
			intent1.putExtra("path",path);
			intent1.putExtra("title","文献详情");
			startActivity(intent1);
		}else if (file.exists()&&fileMD5_.contains(fileMD5)) {
			Intent intent1 = new Intent(MyDownLoadCourseActivity.this,PdfViewActivity.class);
			intent1.putExtra("path",path);
			intent1.putExtra("title","文献详情");
			startActivity(intent1);

		} else {
			list.remove(position);

			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			mAdapter.notifyDataSetChanged();

			if (list.isEmpty()) {
				ptrLv.setEmptyView(load_empty);
			}
			CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
			ToastUtil.showToast("打开失败，已经删除，请重新下载！");
		}


	}

	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position,
			long id) {
		int p = 0;
		if (ptrLv.getRefreshableView().getHeaderViewsCount() > 0) {
			p = position - ptrLv.getRefreshableView().getHeaderViewsCount();
		}
		String filePath = list.get(p).getFilePath();
		String listUuid = list.get(p).getUuid();
		if (!TextUtils.isEmpty(filePath)) {

			if(filePath.contains(Constant.OldfilePath)||list.get(p).getState()==4)
			{
				Intent intent = new Intent(MyDownLoadCourseActivity.getInstance(), CourseUrlDetailActivity.class);
				intent.putExtra("url", list.get(p).getPath());
				intent.putExtra("title", list.get(p).getTitle());
				intent.putExtra("uuid", list.get(p).getUuid());
//				intent.putExtra("again_download",true);
//				intent.putExtra("type", list.get(p).getType());
				startActivity(intent);
				return;
			}
			if (list.get(position - 1).getFileFormat() != null
					&& list.get(position - 1).getFileFormat().contains("pdf")) {
				openPDFFile(filePath, listUuid,p);
			} else if (list.get(position - 1).getFileFormat() != null
					&& list.get(position - 1).getFileFormat().contains("ppt")) {
				openPPTFile(filePath, listUuid,p);
			} else if (list.get(position - 1).getFileFormat() != null
					&& list.get(position - 1).getFileFormat().contains("doc")) {
				openWordFile(filePath, listUuid,p);
			}

		} else {
			// 从数据库清除此下载记录

			// list移除相应位置
			list.remove(p);

			CoursewareBookDownloadSqlManager.delDownladInfo(listUuid);
			mAdapter.notifyDataSetChanged();

			if (list.isEmpty()) {
				ptrLv.setEmptyView(load_empty);
			}
			Intent intent = getIntent();
			setResult(RESULT_OK, intent);
			ToastUtil.showToast("文件不存在，请重新下载！");
		}

	}

	/**
	 * 打开文件 openFile
	 * 
	 * @param
	 * @param
	 *
	 * @param position
	 */

	@Override
	public boolean onItemLongClick(AdapterView<?> parent, View view,
			int position, long id) {
		// TODO Auto-generated method stub
		int p = 0;
		if (ptrLv.getRefreshableView().getHeaderViewsCount() > 0) {
			p = position - ptrLv.getRefreshableView().getHeaderViewsCount();
		}
		String filePath = list.get(p).getFilePath();
		String listUuid = list.get(p).getUuid();
		if (!TextUtils.isEmpty(filePath)) {
			delVisit(p, filePath, listUuid);
		} else {
			// 从数据库清除此下载记录

			// list移除相应位置
			list.remove(p);

			CoursewareBookDownloadSqlManager.delDownladInfo(listUuid);
			mAdapter.notifyDataSetChanged();

			if (list.isEmpty()) {
				ptrLv.setEmptyView(load_empty);
			}

			ToastUtil.showToast("文件不存在!");
		}
		return true;
	}

	public void delVisit(final int positions, final String path,
			final String uuid) {
		final ECListDialog dialog = new ECListDialog(instance,new String[] { "删除文章" });
		dialog.setOnDialogItemClickListener(new ECListDialog.OnDialogItemClickListener() {
			@Override
			public void onDialogItemClick(Dialog d, int position) {
				// canclePatient(CanclePatientUrl, patientUuid, uuid, p);
				File file = new File(path);
				if (file.exists()) {
					file.delete();
				}
				// list移除相应位置
				list.remove(positions);

				CoursewareBookDownloadSqlManager.delDownladInfo(uuid);
				mAdapter.notifyDataSetChanged();

				if (list.isEmpty()) {
					ptrLv.setEmptyView(load_empty);
				}

				dialog.dismiss();
			}
		});
		dialog.setTitle("删除此文章");
		dialog.show();
	}

	public class CourseDownLoadAdapter extends BaseAdapter {

		@Override
		public int getCount() {
			// TODO Auto-generated method stub
			return list.size();
		}

		@Override
		public Object getItem(int position) {
			// TODO Auto-generated method stub
			return list.get(position);
		}

		@Override
		public long getItemId(int position) {
			// TODO Auto-generated method stub
			return position;
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
			ViewHolder vh = null;
			if (convertView == null) {
				if(CommonUtil.BigModule())
				{
					convertView = UIUtils.inflate(R.layout.activity_download_course_big);
				}
				else
				{
					convertView = UIUtils.inflate(R.layout.activity_download_course);
				}
				vh = new ViewHolder();
				vh.mTv = (TextView) convertView
						.findViewById(R.id.tv_download_course);
				convertView.setTag(vh);
			} else {
				vh = (ViewHolder) convertView.getTag();
			}
			vh.mTv.setText(list.get(position).getTitle());
			return convertView;
		}

		public class ViewHolder {
			TextView mTv;
		}
	}
}