/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.micode.notes.ui;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnDismissListener;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;

import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.tool.DataUtils;

import java.io.IOException;
/**
  * @ProjectName:    Alarm
  * @Package:        net.micode.notes.ui
  * @ClassName:      AlarmAlertActivity
  * @Description:
  * @Author:         wyf
  * @CreateDate:     2023/12/24 18:00
 */
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
    private long mNoteId;
    private String mSnippet;
    private static final int SNIPPET_PREW_MAX_LEN = 60;
    MediaPlayer mPlayer;
     /**
      * @method:     onCreate
      * @description: 创建闹钟操作并控制闹钟设置界面
      * @date:       2023/12/23 10:50
      * @author:     wyf
      * @param:      bundle
      * @return:     void
      */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);//界面显示——无标题
        final Window win = getWindow();
        win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);

        if (!isScreenOn()) {
            win.addFlags(
                    WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//保持窗体点亮
                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON//将窗体点亮
                    | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON//允许窗体点亮时锁屏
                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); //在手机锁屏后如果到了闹钟提示时间，点亮屏幕
        }

        Intent intent = getIntent();

        try {
            mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); //根据ID从数据库中获取标签的内容,getContentResolver（）是实现数据共享，实例存储。
            mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
            mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
                    SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
                    : mSnippet;            //判断标签片段是否达到符合长度
        }
        //异常处理：try如果有错误，就会返回所写异常的处理。
        catch (IllegalArgumentException e) {
            e.printStackTrace();
            return;
        }
        mPlayer = new MediaPlayer();
        if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
            showActionDialog();//弹出对话框
            playAlarmSound();//闹钟提示音激发
        } else {
            finish();//完成闹钟动作
        }
    }
     /**
      * @method:     isScreenOn
      * @description:  判断是否锁屏
      * @date:       2023/12/23 10:56
      * @author:     wyf
      * @param:      null
      * @return:     void
      */
    private boolean isScreenOn() {
        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        return pm.isScreenOn();
    }
     /**
      * @method      playAlarmSound
      * @description:   播放闹钟提示音
      * @date:       2023/12/23 10:58
      * @author:    wyf
      * @param:     null
      * @return:    void
      */
    private void playAlarmSound() {
        Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);//调用系统的铃声管理URI，得到闹钟提示音

        int silentModeStreams = Settings.System.getInt(getContentResolver(),
                Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);

        if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
            mPlayer.setAudioStreamType(silentModeStreams);
        } else {
            mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
        }
        try {
            mPlayer.setDataSource(this, url);//解释：无返回值，设置多媒体数据来源【根据 Uri】
            mPlayer.prepare();//准备同步
            mPlayer.setLooping(true);//设置是否循环播放
            mPlayer.start();//开始播放
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();//e.printStackTrace()函数功能是抛出异常， 还将显示出更深的调用信息
        } catch (SecurityException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalStateException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
     /**
      * @method      showActionDialog
      * @description 设置对话框
      * @date:       2023/12/23 11:13
      * @author:     wyf
      * @param：     null
      * @return：    void
      */
    private void showActionDialog() {
        //AlertDialog的构造方法全部是Protected的
        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
        //如这里的dialog就是新建了一个AlertDialog
        AlertDialog.Builder dialog = new AlertDialog.Builder(this);
        dialog.setTitle(R.string.app_name);//为对话框设置标题
        dialog.setMessage(mSnippet); //为对话框设置内容
        dialog.setPositiveButton(R.string.notealert_ok, this);//给对话框添加"Yes"按钮
        if (isScreenOn()) {
            dialog.setNegativeButton(R.string.notealert_enter, this);//对话框添加"No"按钮
        }
        dialog.show().setOnDismissListener(this);
    }
     /**
      * @method      onClick
      * @description 确定点击后的动作
      * @date:       2023/12/23 11:18
      * @author:     wyf
      * @param:      interface\int
      * @return:     void
      */
    public void onClick(DialogInterface dialog, int which) {
        switch (which) {//用which来选择click后下一步的操作
            case DialogInterface.BUTTON_NEGATIVE://取消操作
                Intent intent = new Intent(this, NoteEditActivity.class); //实现两个类间的数据传输
                intent.setAction(Intent.ACTION_VIEW);//设置动作属性
                intent.putExtra(Intent.EXTRA_UID, mNoteId);//实现key-value对,EXTRA_UID为key；mNoteId为键
                startActivity(intent);//开始动作
                break;
            default:
                break;
        }
    }
     /**
      * @method      onDismiss
      * @description  关闭闹钟
      * @date:       2023/12/23 11:17
      * @author:     wyf
      * @param:       interface
      * @return:      void
      */
    public void onDismiss(DialogInterface dialog) {
        stopAlarmSound(); //停止闹钟声音
        finish();//完成该动作
    }
 /**
  * @method      stopAlarmSound
  * @description 停止闹钟声音
  * @date:       2023/12/23 11:20
  * @author:     wyf
  * @param:      null
  * @return:     void
  */
    private void stopAlarmSound() {
        if (mPlayer != null) {
            mPlayer.stop();//停止播放
            mPlayer.release();//释放MediaPlayer对象
            mPlayer = null;
        }
    }
}