package com.cm.utils.update;

import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Environment;
import android.os.SystemClock;

import com.cm.utils.net.HttpUtils;
import com.cm.utils.net.response.DownloadResponseHandler;
import com.cm.utils.uiutils.UIUtil;

import java.io.File;

/**
 * Created by Xuer on 2017/3/9.
 */
public class CheckUpdateUtils {
    /**
     * 根据版本号大小判断是否需要更新
     *
     * @param context
     * @param versionCode 服务端传回来的版本号
     * @return
     */
    public static boolean checkcode(Context context,String versionCode){
        PackageInfo packageInfo = null;
        try {
            packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        boolean isupdate = packageInfo.versionCode < Integer.parseInt(versionCode) ? true : false;
        return isupdate;
    }
    /**
     * 根据版本名称不同判断是否需要更新
     *
     * @param context
     * @param versionName 服务端传回来的版本名称
     * @returntring
     */
    public static boolean check(Context context,String versionName){
        PackageInfo packageInfo = null;
        try {
            packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        boolean isupdate = packageInfo.versionName.equals(versionName) ? false : true;
        return isupdate;
    }

    /**
     * 检测更新
     * @param context
     * @param versionCode
     * @param downloadUrl
     * @param strategy
     */
    public static void checkUpdate(final Context context, int versionCode, final String downloadUrl, String strategy) {
      //  if (check(context,versionCode)) {
            if(strategy.equals("1")){
                downloadApk(downloadUrl,context);
            }else{
                final AlertDialog.Builder builder = new AlertDialog.Builder(context);
                builder.setMessage("是否更新");
                builder.setCancelable(false);
                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //下载新版本
                        CheckUpdateUtils.downloadApk(downloadUrl, context);

                    }
                });
                builder.setNegativeButton("下次再说", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });
                builder.show();
            }
    //    }

    }

    /**
     * 下载新版本dpk

     * @param downloadUrl 下载地址
     */
    public static void downloadApk(String downloadUrl, final Context context) {
        final ProgressDialog dialog=new ProgressDialog(context);
        dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        dialog.setCancelable(false);
    //文件存放地址
        String dir = Environment.getExternalStorageDirectory().toString();
        //文件下载dialog
        dialog.show();

        HttpUtils.getInstance().download(downloadUrl, dir, SystemClock.uptimeMillis() + ".apk", new DownloadResponseHandler() {
            @Override
            public void onFinish(File download_file) {
                if (download_file!=null){
                    installApkNew(context, Uri.fromFile(download_file));
                }else{
                   onFailure("");
                }

                dialog.dismiss();
            }

            @Override
            public void onProgress(long currentBytes, long totalBytes) {
                dialog.setMax((int) totalBytes);
                dialog.setProgress((int) currentBytes);
            }

            @Override
            public void onFailure(String error_msg) {
                dialog.dismiss();
                UIUtil.toast(context, "新版本下载失败！");
            }

        });
    }

    /**
     * 安装apk
     *
     * @param context
     * @param uri     //文件uri
     */
    protected static void installApkNew(Context context, Uri uri) {
        Intent intent = new Intent();
        //执行动作
        intent.setAction(Intent.ACTION_VIEW);
        //执行的数据类型
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setDataAndType(uri, "application/vnd.android.package-archive");
        context.startActivity(intent);
    }

}