/*
 * 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.data;

import android.net.Uri;

//这个类定义了一些常量，用于表示不同的类型和标识符
//例如，AUTHORITY表示内容提供者的身份，TAG表示日志的标签，TYPE_NOTE表示笔记的类型，ID_ROOT_FOLDER表示根文件夹的标识符等
//这些常量可以在其他类中使用，以提供更清晰和易于理解的代码
//例如，在Notes类中，可以使用Notes.AUTHORITY来表示内容提供者的身份，而不是直接使用字符串"micode_notes"
//这样可以避免在代码中出现拼写错误或不一致的字符串，提高代码的可读性和可维护性
//例如，在Notes类中，可以使用Notes.TAG来表示日志的标签，而不是直接使用字符串"Notes"
public class Notes {
    public static final String AUTHORITY = "micode_notes";
    public static final String TAG = "Notes";
    public static final int TYPE_NOTE     = 0;
    public static final int TYPE_FOLDER   = 1;
    public static final int TYPE_SYSTEM   = 2;

    /**
     * Following IDs are system folders' identifiers
     * {@link Notes#ID_ROOT_FOLDER } is default folder
     * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
     * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
     */

     /*
       以下是系统文件夹的标识符
       ID_ROOT_FOLDER是默认文件夹
       ID_TEMPARAY_FOLDER是用于存储没有文件夹的笔记
       ID_CALL_RECORD_FOLDER是用于存储电话记录的文件夹
       ID_TRASH_FOLER是用于存储垃圾邮件的文件夹
     */
    public static final int ID_ROOT_FOLDER = 0;
    public static final int ID_TEMPARAY_FOLDER = -1;
    public static final int ID_CALL_RECORD_FOLDER = -2;
    public static final int ID_TRASH_FOLER = -3;

    public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
    public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
    public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
    public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
    public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
    public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";

    public static final int TYPE_WIDGET_INVALIDE      = -1;
    public static final int TYPE_WIDGET_2X            = 0;
    public static final int TYPE_WIDGET_4X            = 1;

    public static class DataConstants {
        public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
        public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
    }

    //用于查询所有笔记和文件夹的统一资源标识符
    public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");

    //用于查询所有数据的统一资源标识符
    //数据可以是笔记或文件夹
    public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");

    public interface NoteColumns {
        //用于查询所有笔记的统一资源标识符
        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/note");

        //常量表示笔记的唯一标识符
        //这个常量用于在查询笔记时指定要查询的列
        public static final String ID = "_id";

        //常量表示笔记的标题
        public static final String PARENT_ID = "parent_id";

        //常量表示笔记的创建日期
        public static final String CREATED_DATE = "created_date";

        //常量表示笔记的修改日期
        public static final String MODIFIED_DATE = "modified_date";

        //常量表示笔记的提醒日期
        public static final String ALERTED_DATE = "alert_date";

        public static final String SNIPPET = "snippet";

        //常量表示部件的ID
        public static final String WIDGET_ID = "widget_id";

        //常量表示部件的类型
        public static final String WIDGET_TYPE = "widget_type";

        //常量表示笔记的背景颜色ID
        public static final String BG_COLOR_ID = "bg_color_id";

        //常量表示有附件的标志
        public static final String HAS_ATTACHMENT = "has_attachment";

        //常量表示笔记的数量
        public static final String NOTES_COUNT = "notes_count";

        //常量表示笔记的类型
        public static final String TYPE = "type";

        //常量表示笔记的同步ID
        public static final String SYNC_ID = "sync_id";

        //常量表示本地修改的标志
        public static final String LOCAL_MODIFIED = "local_modified";

        //常量表示原始父ID
        public static final String ORIGIN_PARENT_ID = "origin_parent_id";

        //常量表示Google任务的ID
        public static final String GTASK_ID = "gtask_id";

        //常量表示版本号
        public static final String VERSION = "version";
    }

    public interface DataColumns {
        //用于查询所有数据的统一资源标识符
        public static final String ID = "_id";

        //数据的MIME类型
        public static final String MIME_TYPE = "mime_type";

        //笔记的父ID
        public static final String NOTE_ID = "note_id";

        //笔记的创建日期
        public static final String CREATED_DATE = "created_date";

        //笔记的修改日期
        public static final String MODIFIED_DATE = "modified_date";

        //笔记的内容
        public static final String CONTENT = "content";


        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * integer data type
         * <P> Type: INTEGER </P>
         */
        public static final String DATA1 = "data1";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * integer data type
         * <P> Type: INTEGER </P>
         */
        public static final String DATA2 = "data2";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA3 = "data3";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA4 = "data4";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA5 = "data5";
    }

    //用来存储一些静态常量
    public static final class TextNote implements DataColumns {
        /**
         * Mode to indicate the text in check list mode or not
         * <P> Type: Integer 1:check list mode 0: normal mode </P>
         */
        public static final String MODE = DATA1;

        public static final int MODE_CHECK_LIST = 1;

        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";

        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";

        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
    }

    //用来存储一些静态常量
    public static final class CallNote implements DataColumns {
        /**
         * Call date for this record
         * <P> Type: INTEGER (long) </P>
         */
        public static final String CALL_DATE = DATA1;

        /**
         * Phone number for this record
         * <P> Type: TEXT </P>
         */
        public static final String PHONE_NUMBER = DATA3;

        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";

        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";

        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
    }
}
