/*
 * 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.tool; // 声明该Java文件所在的包名

import android.content.Context; // 导入Android的Context类，用于访问应用的特定资源和类以及调用应用级操作
import android.preference.PreferenceManager; // 导入Android的PreferenceManager类，用于访问应用的默认SharedPreferences

import net.micode.notes.R; // 导入应用自己的资源类
import net.micode.notes.ui.NotesPreferenceActivity; // 导入应用的NotesPreferenceActivity类

public class ResourceParser { // 声明一个公共类ResourceParser

    // 定义几种颜色常量
    public static final int YELLOW           = 0; // 黄色
    public static final int BLUE             = 1; // 蓝色
    public static final int WHITE            = 2; // 白色
    public static final int GREEN            = 3; // 绿色
    public static final int RED              = 4; // 红色

    // 默认背景颜色
    public static final int BG_DEFAULT_COLOR = YELLOW; 

    // 定义几种字体大小常量
    public static final int TEXT_SMALL       = 0; // 小号字体
    public static final int TEXT_MEDIUM      = 1; // 中号字体
    public static final int TEXT_LARGE       = 2; // 大号字体
    public static final int TEXT_SUPER       = 3; // 特大号字体

    // 默认字体大小
    public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; 

    // 内部类，用于管理笔记背景资源
    public static class NoteBgResources {
        // 笔记编辑背景资源数组
        private final static int [] BG_EDIT_RESOURCES = new int [] {
            R.drawable.edit_yellow,
            R.drawable.edit_blue,
            R.drawable.edit_white,
            R.drawable.edit_green,
            R.drawable.edit_red
        };

        // 笔记编辑标题背景资源数组
        private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
            R.drawable.edit_title_yellow,
            R.drawable.edit_title_blue,
            R.drawable.edit_title_white,
            R.drawable.edit_title_green,
            R.drawable.edit_title_red
        };

        // 根据ID获取笔记背景资源
        public static int getNoteBgResource(int id) {
            return BG_EDIT_RESOURCES[id];
        }

        // 根据ID获取笔记标题背景资源
        public static int getNoteTitleBgResource(int id) {
            return BG_EDIT_TITLE_RESOURCES[id];
        }
    }

    // 根据用户的偏好设置获取默认背景颜色ID
    public static int getDefaultBgId(Context context) {
        // 检查用户是否设置了背景颜色偏好
        if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
                NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
            // 如果设置了，则随机选择一个背景颜色ID
            return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
        } else {
            // 否则返回默认的背景颜色ID
            return BG_DEFAULT_COLOR;
        }
    }

    // 内部类，用于管理笔记条目背景资源
    public static class NoteItemBgResources {
        // 笔记条目第一个背景资源数组
        private final static int [] BG_FIRST_RESOURCES = new int [] {
            R.drawable.list_yellow_up,
            R.drawable.list_blue_up,
            R.drawable.list_white_up,
            R.drawable.list_green_up,
            R.drawable.list_red_up
        };

        // 笔记条目普通背景资源数组
        private final static int [] BG_NORMAL_RESOURCES = new int [] {
            R.drawable.list_yellow_middle,
            R.drawable.list_blue_middle,
            R.drawable.list_white_middle,
            R.drawable.list_green_middle,
            R.drawable.list_red_middle
        };

        // 笔记条目最后一个背景资源数组
        private final static int [] BG_LAST_RESOURCES = new int [] {
            R.drawable.list_yellow_down,
            R.drawable.list_blue_down,
            R.drawable.list_white_down,
            R.drawable.list_green_down,
            R.drawable.list_red_down,
        };

        // 笔记条目单个背景资源数组
        private final static int [] BG_SINGLE_RESOURCES = new int [] {
            R.drawable.list_yellow_single,
            R.drawable.list_blue_single,
            R.drawable.list_white_single,
            R.drawable.list_green_single,
            R.drawable.list_red_single
        };

        // 根据ID获取笔记条目第一个背景资源
        public static int getNoteBgFirstRes(int id) {
            return BG_FIRST_RESOURCES[id];
        }

        // 根据ID获取笔记条目最后一个背景资源
        public static int getNoteBgLastRes(int id) {
            return BG_LAST_RESOURCES[id];
        }

        // 根据ID获取笔记条目单个背景资源
        public static int getNoteBgSingleRes(int id) {
            return BG_SINGLE_RESOURCES[id];
        }

        // 根据ID获取笔记条目普通背景资源
        public static int getNoteBgNormalRes(int id) {
            return BG_NORMAL_RESOURCES[id];
        }

        // 获取文件夹背景资源
        public static int getFolderBgRes() {
            return R.drawable.list_folder;
        }
    }

    // 内部类，用于管理小部件背景资源
    public static class WidgetBgResources {
        // 小部件2x背景资源数组
        private final static int [] BG_2X_RESOURCES = new int [] {
            R.drawable.widget_2x_yellow,
            R.drawable.widget_2x_blue,
            R.drawable.widget_2x_white,
            R.drawable.widget_2x_green,
            R.drawable.widget_2x_red,
        };

        // 根据ID获取小部件2x背景资源
        public static int getWidget2xBgResource(int id) {
            return BG_2X_RESOURCES[id];
        }

        // 小部件4x背景资源数组
        private final static int [] BG_4X_RESOURCES = new int [] {
            R.drawable.widget_4x_yellow,
            R.drawable.widget_4x_blue,
            R.drawable.widget_4x_white,
            R.drawable.widget_4x_green,
            R.drawable.widget_4x_red
        };

        // 根据ID获取小部件4x背景资源
        public static int getWidget4xBgResource(int id) {
            return BG_4X_RESOURCES[id];
        }
    }

    // 内部类，用于管理文本外观资源
    public static class TextAppearanceResources {
        // 文本外观资源数组
        private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
            R.style.TextAppearanceNormal,
            R.style.TextAppearanceMedium,
            R.style.TextAppearanceLarge,
            R.style.TextAppearanceSuper
        };

        // 根据ID获取文本外观资源
        public static int getTexAppearanceResource(int id) {
            // 如果ID超出资源数组长度，则返回默认字体大小
            if (id >= TEXTAPPEARANCE_RESOURCES.length) {
                return BG_DEFAULT_FONT_SIZE;
            }
            return TEXTAPPEARANCE_RESOURCES[id];
        }

        // 获取文本外观资源数组的大小
        public static int getResourcesSize() {
            return TEXTAPPEARANCE_RESOURCES.length;
        }
    }
}