var oSASno = '';
var oSAId = '';
var oEnterId = '';
var isStartSASend = false;

var oSA = function (action, data) {
    switch (action) {
        case 'enter':
            oSASend({a: 'enter', action: 'enter', href: location.href, referrer: document.referrer, action_time: oSAGetNowDateTime()});
            break;

        case 'isMember':
            oSASend({a: 'isMember', action: 'isMember'});
            break;

        case 'playVideo':
            oSASend({a: 'playVideo', action: 'playVideo', href: data.video, referrer: location.href, action_time: oSAGetNowDateTime()});
            break;

        case 'click':
            oSASend({a: 'click', action: 'click', href: data.action, referrer: location.href, action_time: oSAGetNowDateTime()});
            break;

        case 'exit':
            oSASend({a: 'exit', action: 'exit', action_time: oSAGetNowDateTime()});
            break;

        case 'sa_id':
            return oSAId;
            break;

        case 'enter_id':
            return oEnterId;
            break;
    }
};

var oSASend = function (sendData) {
    var pageData = {
        p: 'sa',
        sno: oSASno,
        enter_id: oEnterId
    };

    var data = {};
    $.extend(data, sendData, pageData);

    if (typeof (Storage) != 'undefined') {
        var SALocalKey = makeSALocalId(6);
        addSALocalItme(SALocalKey, data);
    } else {
        oSAAjax(data);
    }
};

function addSALocalItme (localKey, data) {
    localStorage.setItem(localKey, JSON.stringify(data));
    startSendSA();
}

function oSAAjax(data) {
    var xhr = $.ajax('https://347.com.tw/ajax/ajax.php', {
        async: true,
        cache: false,
        crossDomain: true,
        data: data,
        method: 'POST',
        xhrFields: { withCredentials: true }
    });

    if (data.action == 'enter') {
        xhr.then(function (rs) {
            if (rs.result) {
                oSAId = rs._sa;
                oEnterId = rs.enter_id;
            }
        })
    }

    return xhr;
}

function oSAGetNowDateTime () {
    var oSADate = new Date();
    var year = oSADate.getFullYear();
    var month = oSADate.getMonth() + 1;
    var day = oSADate.getDate();
    var hours = oSADate.getHours();
    var minutes = oSADate.getMinutes();
    var seconds = oSADate.getSeconds();

    return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds;
}

function oSAClick () {
    var clickDom = $(this);
    var isOnce = clickDom.attr('sa-once');
    var action = clickDom.attr('sa-click');

    oSA('click', {action: action});

    if (typeof isOnce != 'undefined') {
        clickDom.off('click', oSAClick);
    }
}

function makeSALocalId (length) {
    var result = '';
    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789:::::#$%^*)';
    var charactersLength = characters.length;

    for (var i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }

    return 'sa_' + result;
}

function startSendSA () {
    if (typeof (Storage) != 'undefined' && isStartSASend !== true) {
        isStartSASend = true;
        var findSA = false;

        for (var i = 0; i < localStorage.length; i++) {
            if (localStorage.key(i).substring(0, 3) == 'sa_') {
                var saKey = localStorage.key(i);
                var saSendData = localStorage.getItem(saKey);

                findSA = true;
                saSendData = JSON.parse(saSendData);

                oSAAjax(saSendData)
                    .done(function () {
                        localStorage.removeItem(saKey);
                        isStartSASend = false;
                        startSendSA();
                    });

                break;
            }
        }

        if (findSA === false) {
            isStartSASend = false;
        }
    }
}

function ready(fn) {
    if (document.addEventListener) {		//标准浏览器
        document.addEventListener('DOMContentLoaded', function () {
            //注销时间，避免反复触发
            document.removeEventListener('DOMContentLoaded', arguments.callee, false);
            fn();		//执行函数
        }, false);
    } else if (document.attachEvent) {		//IE浏览器
        document.attachEvent('onreadystatechange', function () {
            if (document.readyState == 'complete') {
                document.detachEvent('onreadystatechange', arguments.callee);
                fn();		//函数执行
            }
        });
    }
}

ready(function () {
    if (typeof jQuery == 'undefined') {
        var jQueryScript = document.createElement('script');
        jQueryScript.src = "https://347.com.tw/func/jquery/jquery-1.11.0.min.js";
        jQueryScript.onload = function () {
            initSA();
        };
        document.getElementsByTagName('head')[0].appendChild(jQueryScript);
    } else {
        initSA();
    }
});

function initSA () {
    oSA('enter');

    if (typeof oUser != 'undefined') {
        oUser.set_onload(function () {
            if (oUser.is_login()) {
                oSASno = oUser.user.sno;

                if (oSAId != '') {
                    oSA('isMember');
                }
            }
        });
    }

    window.addEventListener('beforeunload', function (event) {
        oSA('exit');
    });

    $('[sa-click]').on('click', oSAClick);
}