package cn.sinata.xldutils.utils;

import android.content.Context;
import android.content.SharedPreferences;
import cn.sinata.xldutils.xldUtils;
import java.util.Map;

/**
 *
 * SharedPreferences工具类
 */
public class SPUtils {
    static SharedPreferences sp;

    public static void init(Context context){
        if (sp==null) {
            String spName;
            if (StringUtils.isEmpty(xldUtils.SPNAME)){
                spName = context.getPackageName();
            }else {
                spName = xldUtils.SPNAME;
            }
            sp=context.getSharedPreferences(spName, Context.MODE_PRIVATE);
        }
    }

    /**
     * 保存SharedPreferences数据
     * @param map 键值对，值必须是int，float,boolean,string,long类型，其余类型不支持
     */
    public static synchronized void save(Map<String,Object> map){
        if (sp!=null) {
            SharedPreferences.Editor editor = sp.edit();
            for (Map.Entry<String, Object> entry : map.entrySet()) {
//            System.out.println("key= " + entry.getKey() + " and value= " + entry.getValue());
                Object o = entry.getValue();
                if (o instanceof String) {
                    editor.putString(entry.getKey(), (String) o);
                } else if (o instanceof Integer) {
                    editor.putInt(entry.getKey(), (Integer) o);
                } else if (o instanceof Long) {
                    editor.putLong(entry.getKey(), (Long) o);
                } else if (o instanceof Boolean) {
                    editor.putBoolean(entry.getKey(), (Boolean) o);
                } else if (o instanceof Float) {
                    editor.putFloat(entry.getKey(), (Float) o);
                } else {
                    //不支持的类型，不做操作
                    new Throwable("不支持类型").printStackTrace();
                }
            }
            editor.apply();
        }
    }

    /**
     * 保存String型数据
     * @param key 键
     * @param value 值
     */
    public static synchronized void save(String key,String value){
        if (sp!=null) {
            SharedPreferences.Editor editor = sp.edit();
            editor.putString(key, value).apply();
        }
    }

    /**
     * 保存Int型数据
     * @param key 键
     * @param value 值
     */
    public static synchronized void save(String key,int value){
        if (sp!=null) {
            SharedPreferences.Editor editor = sp.edit();
            editor.putInt(key, value).apply();
        }
    }

    /**
     * 保存Boolean型数据
     * @param key 键
     * @param value 值
     */
    public static synchronized void save(String key,boolean value){
        if (sp!=null) {
            SharedPreferences.Editor editor = sp.edit();
            editor.putBoolean(key, value).apply();
        }
    }

    /**
     * 获取存储的字符型数据
     * @param key 键
     * @return value
     */
    public static String getString(String key){

        return sp==null?"":sp.getString(key,"");
    }

    /**
     * 获取存储的布尔型数据
     * @param key 键
     * @return value
     */
    public static boolean getBoolean(String key){
        return getBoolean(key,false);
    }

    /**
     * 获取存储的int型数据
     * @param key 键
     * @return value 默认－1
     */
    public static int getInt(String key){
        return sp!=null?sp.getInt(key,-1):-1;
    }

    /**
     * 获取存储的布尔型数据
     * @param key 键
     * @param def 默认值
     * @return value
     */
    public static boolean getBoolean(String key,boolean def){
        return sp!=null&&sp.getBoolean(key,def);
    }

    /**
     * 删除对应key的SharedPreferences数据
     * @param key 键
     */
    public static synchronized void remove(String key){
        if (sp!=null) {
            sp.edit().remove(key).apply();
        }
    }

    /**
     * 删除对应key的SharedPreferences数据
     * @param keys 需删除的键的集合
     */
    public static synchronized void remove(String[] keys){
        if (sp!=null) {
            for (String key : keys) {
                sp.edit().remove(key).apply();
            }
        }
    }

    /**
     * 清空所有SharedPreferences数据
     */
    public static void clear(){
        if (sp!=null) {
            sp.edit().clear().apply();
        }
    }

}