/**
 * 将搜索结果存localStorage
 * @author: xuqi<qi.xu@yoho.cn>
 * @date: 2015/10/29
 */

var ranToken = ',',
    historyval = 'historys1';

//获取分隔符
function getRanToken() {
    return ranToken;
}

//存变量
function getHistoryval() {
    return historyval;
}

//绑定提交前的存local操作
function bindWirteLocal($form) {
    $form.on('submit', function() {
        var query = this.query.value;

        setHistoryValFun(query);
    });
}

function setHistoryValFun(query) {
     var historys;
    if (localStorage) {
           historys = localStorage.getItem(historyval);

           historys = historys ? historys.replace(new RegExp((query + ranToken), 'g'), '') : '';

           if (historys === '') {
               query = ranToken + query;
           }

           historys += query + ranToken;
           localStorage.setItem(historyval, historys);
    }
}

exports.getRanToken = getRanToken;
exports.getHistoryval = getHistoryval;
exports.setHistoryValFun = setHistoryValFun;

exports.bindWirteLocal = bindWirteLocal;