/*******************************************************************************
 * 
 * Nx本地缓存管理
 * 
 *      
 * 
 *          2021.12.10
 ******************************************************************************/

const CFG = require( "config" );
const NxObject = require( "nx.object" );
const Crypto = require( "cryptoHelper" );

const nxStorage = cc.Class( {

	extends: NxObject,

	name: "nxStorage",
	sd: null,

	// 初始化
	initialize: function( _args ) {

		// USPER
		this._super( _args );

		this.sd = cc.sys.localStorage;

		nx.storage = this;
		return true;
	},

	// 销毁
	uninitialize: function() {

		nx.storage = null;

		// USPER
		return this._super();
	},

	// 取值
	get: function( _key, _def = "", _pri = false ) {

		if( nx.dt.strEmpty( _key ) ) {
			nx.logger.error( "[缓存]空键值" );
			return _def;
		}

		let val = this.sd.getItem( this.skey( _key, _pri ) );
		return Crypto.decrypt( val ) || _def;
	},

	// 取数
	getNumber: function( _key, _def = 0, _pri = false ) {

		let val = this.get( _key, _def, _pri );
		let num = parseInt( val );
		if( !nx.dt.numGood( num ) ) {
			num = _def;
		}
		return num;

	},

	// 取对象
	getObject: function( key, _pri ) {
		return JSON.parse( this.get( key, "{}", _pri ) );
	},

	// 设值
	set: function( _key, _value, _pri ) {

		if( nx.dt.strEmpty( _key ) ) {
			nx.logger.error( "[缓存]空键值" );
			return;
		}

		let val = Crypto.encrypt( "" + _value );
		this.sd.setItem( this.skey( _key, _pri ), val );
		nx.logger.debug( "[缓存]更新:%s -> %s", _key, _value );

	},

	// 设对象
	setObject: function( key, value, _pri ) {
		this.set( key, JSON.stringify( value ), _pri );
	},

	// 删值
	del: function( _key, _pri ) {

		if( nx.dt.strEmpty( _key ) ) {
			nx.logger.warn( "[缓存]空键值" );
			return;
		}

		this.sd.removeItem( this.skey( _key, _pri ) );
		nx.logger.debug( "[缓存]删除:%s", _key );

	},

	// 关键字组合
	skey: function( _key, _pri ) {

		// 是否私有
		if( _pri ) {
			let info = nx.bridge.vget( "curRole" );
			if( info ) {
				_key = nx.text.format( "%s.%s.%s", _key, info.srv_id, info.rid );
			}
		}

		return cc.js.formatStr( "[%s]%s", this.prefix(), _key );
	},

	// 获取唯一前缀
	prefix: function() {

		let key = CFG.GName;
		if( window.nx && nx.frame ) {
			key = nx.frame.vget( "GUUID" );
		}
		return key || CFG.GName;
	},

} );

// 模块导出
module.exports = nxStorage;