package com.jiuqi.njt.update;

import org.json.JSONArray;
import org.json.JSONObject;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;

import com.jiuqi.njt.data.MyApp;
import com.jiuqi.njt.data.OptsharepreInterface;
import com.jiuqi.njt.ui.DownLoadApkTask;
import com.jiuqi.njt.util.Constants;
import com.jiuqi.njt.util.UIUtil;
import com.jiuqi.njt.zxing.FinishListener;

public class CheckVersionTask extends AsyncTask<Void, Integer, Boolean> {

	private static final String TAG = "Update";
	private ProgressDialog pBar;

	private int newVerCode = 0;
	private String newVerName = "";
	private Context currentContext;
	private int curVerCode;
	private boolean showProgress;
	private MyApp application;
	private int  type ; //是否强制升级
	public CheckVersionTask(Context context) {
		this(context, false);
	}

	public CheckVersionTask(Context context, boolean showProgress) {
		this.currentContext = context;
		this.curVerCode = Config.getVerCode(context);
		this.showProgress = showProgress;
	}

	private boolean getServerVerCode() {
		application =  (MyApp) currentContext.getApplicationContext();
		try {
			//FIXME 可能是这个地方报出来的错误  <html><head><title>Apache of type java.lang.String cannot be converted to JSONArray

			String verjson = NetworkTool.getContent(Config.UPDATE_SERVER
					+ Config.UPDATE_VERJSON);
			JSONArray array = new JSONArray(verjson);
			if (array.length() > 0) {
				JSONObject obj = array.getJSONObject(0);
				try {
					newVerCode = UIUtil.tryToInteger(obj.getString("verCode"));
					newVerName = obj.getString("verName");
					type = UIUtil.tryToInteger(obj.getString("type"));
					application.setNewVername(newVerName);
				} catch (Exception e) {
					newVerCode = -1;
					newVerName = "";
					return false;
				}
			}
		} catch (Exception e) {
			if(e!=null){
				//TODO 打印有异常
				//Log.e(TAG, e.getMessage());
			}
			return false;
		}
		return true;
	}

	private void doNewVersionUpdate() {
		int verCode = Config.getVerCode(currentContext);
		String verName = Config.getVerName(currentContext);
		String negativeStr = Constants.CANCEL_TEXT;
		if(1==type){
			negativeStr = "退出";
		}
		StringBuffer sb = new StringBuffer();
		sb.append("当前版本:");
		sb.append(verName);
		sb.append(",发现新版本");
		sb.append(newVerName);
		sb.append("请下载更新");
		AlertDialog d = new AlertDialog.Builder(currentContext)
				.setTitle("软件更新")
				.setCancelable(false)
				.setMessage(sb.toString())
				.setPositiveButton("下载", new DialogInterface.OnClickListener() {

					@Override
					public void onClick(DialogInterface dialog, int which) {
						new DownLoadApkTask(currentContext).execute(UIUtil.getNjtVo(currentContext));
					}

				})
				.setNegativeButton(negativeStr,
						new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								dialog.cancel();
								if(1==type){
									android.os.Process.killProcess(android.os.Process.myPid());
									System.exit(0);
								}
							}
						}).create();
		d.show();
	}
	

	@Override
	protected void onPreExecute() {
		pBar = new ProgressDialog(currentContext);
		pBar.setTitle("版本升级");
		pBar.setMessage("检查新版本..");
		pBar.setProgressStyle(ProgressDialog.STYLE_SPINNER);
		if (showProgress) {
			pBar.show();
		}
	}	

	@Override
	protected Boolean doInBackground(Void... params) {
		if (getServerVerCode()) {
			if (newVerCode > curVerCode) {
				return true;
			}
		}
		return false;
	}


	@Override
	protected void onPostExecute(Boolean result) {
		if(null != pBar){
			pBar.dismiss();
        }
		
		//记录当前的监测时间
		OptsharepreInterface sharePre = new OptsharepreInterface(currentContext);
		sharePre.putPres("checkTime", String.valueOf(System.currentTimeMillis()));
		
		if (result) {
			if (showProgress){
				doNewVersionUpdate();
			}else{
				application.setUpdate(true);
			}
		} else {
			if (showProgress) {
					String verName = Config.getVerName(currentContext);
					StringBuffer sb = new StringBuffer();
					sb.append("当前版本:");
					sb.append(verName.replace("ver:", "").replace("build", "日期"));
					sb.append(",\n已是最新版本，无需更新!");
					Dialog dialog = new AlertDialog.Builder(currentContext)
							.setTitle("软件更新").setMessage(sb.toString())
							.setPositiveButton("确定",null).create();
					 dialog.show();
			}else{
				application.setUpdate(false);
			}
		}
	}

}