/*!
 * Copyright(c) 2011-2022 Donghong Technology Inc.
 * http://www.jxstar.com/license
 */
 
/**
 * 去掉前端where的工具类
 * 
 * @author TonyTan
 * @version 1.0, 2022-04-13
 */

JxThree = {};
(function(){

	Ext.apply(JxThree, {
	
	/**
	 * 获取加密后的参数
	 **/
	getServerParam: function(wsql, wvalue, wtype) {
		var pre = JxUtil.uuid(2,16);
		var param = pre+'@#@'+(wsql||'')+'@#@'+(wvalue||'')+'@#@'+(wtype||'')+'@#@Zk';
		return this.encrypt(param);
	},
	
	/**
	 * 通用查询参数处理
	 **/
	getCommonParams: function(options) {
		if (options.where_sql && options.where_sql.length > 0) {
			options.server_param = this.getServerParam(options.where_sql, options.where_value, options.where_type);
			delete options.where_sql;
			delete options.where_value;
			delete options.where_type;
		}
		return options;
	},
	
	/**
	 * 处理请求参数中的三个where参数
	 **/
	dealParams: function(params) {
		if (params == null || params.length == 0) return params;
		if (params.indexOf('&where_sql') < 0) return params;
		
		params = this.dealWhere(params);
		var options = Ext.urlDecode(params);
		options.server_param = this.getServerParam(options.where_sql, options.where_value, options.where_type);

		delete options.where_sql;
		delete options.where_value;
		delete options.where_type;
		
		return Ext.urlEncode(options);
	},
	
	// 处理 where_sql 中的 = 特殊字符
	dealWhere: function(params) {
		if (params == null || params.length == 0) return params;
		
		//console.log("params=" + params);
		var ps = [];
		if (params.indexOf('&where_sql=') >= 0) {
			ps = params.split('&where_sql=');
		} else if (params.indexOf('&where_sql =') >= 0) {
			ps = params.split('&where_sql =');
		}
		if (ps.length > 0) {
			var end = '', where = '';
			//尾部截断，取出where_sql参数的值
			var ix = ps[1].indexOf('&');
			if (ps[1].length > 0 && ix >= 0) {
				where = ps[1].substr(0, ix);
				end = ps[1].substr(ix, ps[1].length);
			} else {
				where = ps[1];
			}
			//console.log("where=" + where);
			params = ps[0] + '&where_sql=' + encodeURIComponent(where) + end;
		}
		
		return params;
	},
	/*
	// 加密
	encrypt: function(str) {
		var re = /=/g;
		var pre = JxUtil.uuid(4,16);
		var str = pre + Base64.encode(str) + 'Dh';
		str = str.replace(re, '#');
		return str;
	}
	*/
	
	
	// 加密
	encrypt: function(str) {
		var re = /=/g;
		var pre = JxUtil.uuid(4,16);
		
		var baseStr=Base64.encode(str);
		
		var str_1 = JxUtil.uuid(1,16);
		var str_2 = JxUtil.uuid(1,16);
		baseStr=baseStr.substr(0,3)+str_1+baseStr.substr(3,baseStr.length-2)+str_2+baseStr.substr(baseStr.length-2,baseStr.length);
		
		//console.log("baseStr=" + baseStr);
		
		var str = pre + baseStr + 'Dh';
		str = str.replace(re, '#');
		//console.log("str=" + str);
		
		return str;
	}

	});//Ext.apply
})();