package me.chunsheng.hongbao.utils;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageInfo;

import android.net.Uri;

import android.os.AsyncTask;

import android.widget.Toast;

import org.apache.http.HttpResponse;

import org.apache.http.StatusLine;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONObject;

import me.chunsheng.hongbao.R;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

/**

 * Util for app update task.

 */

public class UpdateTask extends AsyncTask<String, String, String> {

    private Context context;

    private boolean isUpdateOnRelease;

    //public static final String updateUrl = "https://api.github.com/repos/geeeeeeeeek/WeChatLuckyMoney/releases/latest";

    public static final String updateUrl = "https://api.github.com/repos/geeeee/WeChatLuckyMoney/releases/latest";

    public UpdateTask(Context context, boolean needUpdate) {

        this.context = context;

        this.isUpdateOnRelease = needUpdate;

        if (this.isUpdateOnRelease) Toast.makeText(context, "正在检查新版本……", Toast.LENGTH_SHORT).show();

    }

    @Override

    protected String doInBackground(String... uri) {

        HttpClient httpclient = new DefaultHttpClient();

        HttpResponse response;

        String responseString = null;

        try {

            response = httpclient.execute(new HttpGet(uri[]));

            StatusLine statusLine = response.getStatusLine();

            if (statusLine.getStatusCode() == ) {

                ByteArrayOutputStream out = new ByteArrayOutputStream();

                response.getEntity().writeTo(out);

                responseString = out.toString();

                out.close();

            } else {

                // Close the connection.

                response.getEntity().getContent().close();

                throw new IOException(statusLine.getReasonPhrase());

            }

        } catch (Exception e) {

            return null;

        }

        return responseString;

    }

    @Override

    protected void onPostExecute(String result) {

        super.onPostExecute(result);

        try {

            JSONObject release = new JSONObject(result);

            // Get current version

            PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), );

            String version = pInfo.versionName;

            String latestVersion = release.getString("tag_name");

            boolean isPreRelease = release.getBoolean("prerelease");

            if (!isPreRelease && version.compareToIgnoreCase(latestVersion) >= ) {

                // Your version is ahead of or same as the latest.

                if (this.isUpdateOnRelease)

                    Toast.makeText(context, R.string.update_already_latest, Toast.LENGTH_SHORT).show();

            } else {

                if (!isUpdateOnRelease) {

                    Toast.makeText(context, context.getString(R.string.update_new_seg1) + latestVersion + context.getString(R.string.update_new_seg3), Toast.LENGTH_LONG).show();

                    return;

                }

                // Need update.

                String downloadUrl = release.getJSONArray("assets").getJSONObject().getString("browser_download_url");

                // Give up on the fucking DownloadManager. The downloaded apk got renamed and unable to install. Fuck.

                Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(downloadUrl));

                browserIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                context.startActivity(browserIntent);

                Toast.makeText(context, context.getString(R.string.update_new_seg1) + latestVersion + context.getString(R.string.update_new_seg2), Toast.LENGTH_LONG).show();

            }

        } catch (Exception e) {

            e.printStackTrace();

            if (this.isUpdateOnRelease)

                Toast.makeText(context, R.string.update_error, Toast.LENGTH_LONG).show();

        }

    }

    public void update() {

        super.execute(updateUrl);

    }

}