package com.alvechen.knowweather.service;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.os.SystemClock;
import android.preference.PreferenceManager;

import com.alvechen.knowweather.gson.Weather;
import com.alvechen.knowweather.util.HttpUtil;
import com.alvechen.knowweather.util.Utility;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class AutoUpdateService extends Service {

    public AutoUpdateService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        updateWeather();
        updateBingPic();

        AlarmManager manager = (AlarmManager) getSystemService(ALARM_SERVICE);
        int anHour = 8 * 60 * 60 * 1000;//8小时的毫秒数
        long triggerAtTime = SystemClock.elapsedRealtime() + anHour;
        Intent i = new Intent(this,AutoUpdateService.class);
        PendingIntent pi = PendingIntent.getService(this,0,i,0);
        manager.cancel(pi);
        manager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,triggerAtTime,pi);

        return super.onStartCommand(intent, flags, startId);
    }


    /**
     * 更新天气
     */
    private void updateWeather(){

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        String weatherString = prefs.getString("weather",null);

        if (weatherString != null){
            //有缓存时直接解析天气数据
            Weather weather = Utility.handleWeatherResponse(weatherString);
            String weatherId = weather.basic.weatherId;
            String weatherUrl = "http://guolin.tech/api/weather?cityid=" + weatherId + "&key=36eb708ce5fb42ac925d1eda79e2b510";

            HttpUtil.sendOkHttpRequest(weatherUrl, new Callback() {


                @Override
                public void onResponse(Call call, Response response) throws IOException {

                    String responseText = response.body().string();
                    Weather weather = Utility.handleWeatherResponse(responseText);

                    if (weather != null && "ok".equals(weather.status)){
                        //缓存起来
                        SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(AutoUpdateService.this).edit();
                        editor.putString("weather",responseText);
                        editor.apply();
                    }
                }

                @Override
                public void onFailure(Call call, IOException e) {
                    e.printStackTrace();
                }
            });
        }



    }


    /**
     * 更新每日一图
     */
    private void updateBingPic(){

        String requestPic = "http://guolin.tech/api/bing_pic";
        HttpUtil.sendOkHttpRequest(requestPic, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                e.printStackTrace();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {

                String bingPic = response.body().string();

                //缓存起来
                SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(AutoUpdateService.this).edit();
                editor.putString("bing_pic",bingPic);
                editor.apply();
            }
        });

    }
}
