/*
 * 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.content.Context;
import android.database.Cursor;
import android.text.TextUtils;

import net.micode.notes.data.Contact;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils;


public class NoteItemData {
    static final String [] PROJECTION = new String [] {
        NoteColumns.ID,//备注列ID
        NoteColumns.ALERTED_DATE,//提醒日期
        NoteColumns.BG_COLOR_ID,//背景ID颜色
        NoteColumns.CREATED_DATE,//创建数据
        NoteColumns.HAS_ATTACHMENT, //具有附件
        NoteColumns.MODIFIED_DATE,//修改数据
        NoteColumns.NOTES_COUNT,//备注计数
        NoteColumns.PARENT_ID,//家长ID
        NoteColumns.SNIPPET,//片段
        NoteColumns.TYPE,//类型
        NoteColumns.WIDGET_ID,//部件ID
        NoteColumns.WIDGET_TYPE,//部件类型
    };

    private static final int ID_COLUMN                    = 0;//ID列
    private static final int ALERTED_DATE_COLUMN          = 1;//警报日期列
    private static final int BG_COLOR_ID_COLUMN           = 2;//背景颜色ID列
    private static final int CREATED_DATE_COLUMN          = 3;//创建日期列
    private static final int HAS_ATTACHMENT_COLUMN        = 4;//具有附件列
    private static final int MODIFIED_DATE_COLUMN         = 5;//修改日期列
    private static final int NOTES_COUNT_COLUMN           = 6;//备注计数列
    private static final int PARENT_ID_COLUMN             = 7;//父ID列
    private static final int SNIPPET_COLUMN               = 8;//代码段列
    private static final int TYPE_COLUMN                  = 9;//类型栏
    private static final int WIDGET_ID_COLUMN             = 10;//小部件ID列
    private static final int WIDGET_TYPE_COLUMN           = 11;//小部件类型列

    private long mId;
    private long mAlertDate;
    private int mBgColorId;
    private long mCreatedDate;
    private boolean mHasAttachment;
    private long mModifiedDate;
    private int mNotesCount;
    private long mParentId;
    private String mSnippet;
    private int mType;
    private int mWidgetId;
    private int mWidgetType;
    private String mName;
    private String mPhoneNumber;

    private boolean mIsLastItem;
    private boolean mIsFirstItem;
    private boolean mIsOnlyOneItem;
    private boolean mIsOneNoteFollowingFolder;
    private boolean mIsMultiNotesFollowingFolder;

    public NoteItemData(Context context, Cursor cursor) //利用光标cursor获取数据初始化NoteItemData
    {
        mId = cursor.getLong(ID_COLUMN);
        //将数据类型变为long类
        mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
        //将数据类型变为long类
        mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN);
        //将数据类型变为int类
        mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN);
        //将数据类型变为long类
        mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false;
        //对HAS_ATTACHMENT_COLUMN进行判0，>0为ture否则为false
        mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN);
        //将数据类型变为long类
        mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN);
        //将数据类型变为int类
        mParentId = cursor.getLong(PARENT_ID_COLUMN);
        //将数据类型变为long类
        mSnippet = cursor.getString(SNIPPET_COLUMN);
        //将数据类型变为string类
        mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace(
                NoteEditActivity.TAG_UNCHECKED, "");
        mType = cursor.getInt(TYPE_COLUMN);
        mWidgetId = cursor.getInt(WIDGET_ID_COLUMN);
        mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN);

        mPhoneNumber = "";
        //初始化电话号码信息
        if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {
            mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId);
            if (!TextUtils.isEmpty(mPhoneNumber))//mphonenumber里有符合字符串，则用contart功能连接
            {
                mName = Contact.getContact(context, mPhoneNumber);
                if (mName == null)//如果用户姓名为空，则令姓名等于电话号
                {
                    mName = mPhoneNumber;
                }
            }
        }

        if (mName == null)//若名字为空，则输入名字
        {
            mName = "";
        }
        checkPostion(cursor);
    }
    //据鼠标的位置设置标记，记录位置
    private void checkPostion(Cursor cursor) {
        //初始化标记
        mIsLastItem = cursor.isLast() ? true : false;//寻找光标最后位置
        mIsFirstItem = cursor.isFirst() ? true : false;//寻找光标的初始位置
        mIsOnlyOneItem = (cursor.getCount() == 1);//记录是否遍历完所有路程
        //初始化“多重子文件”“单一子文件”
        mIsMultiNotesFollowingFolder = false;
        mIsOneNoteFollowingFolder = false;

        //设置标记
        if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {//若此时标记为note格式并且不为第一个元素
            int position = cursor.getPosition();//用getPosition得到此时位置
            if (cursor.moveToPrevious()) {//获取光标位置后，回溯至上一行，
                if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
                        || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统格式或note格式
                    if (cursor.getCount() > (position + 1))//如果得到的步数大于地址+1
                    {
                        mIsMultiNotesFollowingFolder = true;//若是数据行数大于但前位置+1则设置成正确
                    } else {
                        mIsOneNoteFollowingFolder = true;//否则单一文件夹标记为true
                    }
                }
                if (!cursor.moveToNext()) {//若不能再往下走则报错
                    throw new IllegalStateException("cursor move to previous but can't move back");
                }
            }
        }
    }
    public boolean isOneFollowingFolder() {
        return mIsOneNoteFollowingFolder;
    }//文件夹注释行

    public boolean isMultiFollowingFolder() {
        return mIsMultiNotesFollowingFolder;
    }

    public boolean isLast() {
        return mIsLastItem;
    }

    public String getCallName() {
        return mName;
    }//得到用户名

    public boolean isFirst() {
        return mIsFirstItem;
    }//得到初始地址

    public boolean isSingle() {
        return mIsOnlyOneItem;
    }

    public long getId() {
        return mId;
    }

    public long getAlertDate() {
        return mAlertDate;
    }

    public long getCreatedDate() {
        return mCreatedDate;
    }

    public boolean hasAttachment() {
        return mHasAttachment;
    }

    public long getModifiedDate() {
        return mModifiedDate;
    }

    public int getBgColorId() {
        return mBgColorId;
    }

    public long getParentId() {
        return mParentId;
    }

    public int getNotesCount() {
        return mNotesCount;
    }

    public long getFolderId () {
        return mParentId;
    }

    public int getType() {
        return mType;
    }

    public int getWidgetType() {
        return mWidgetType;
    }

    public int getWidgetId() {
        return mWidgetId;
    }

    public String getSnippet() {
        return mSnippet;
    }

    public boolean hasAlert() {
        return (mAlertDate > 0);
    }

    //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空，则isCallRecord为true
    public boolean isCallRecord() {
        return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber));
    }

    public static int getNoteType(Cursor cursor) {
        return cursor.getInt(TYPE_COLUMN);
    }
}