// ==UserScript==
// @name 			12306.CN 订票助手 For Firefox&Chrome
// @namespace		http://www.u-tide.com/fish/
// @description		帮你订票的小助手 :-)
// @match			http://dynamic.12306.cn/otsweb/*
// @match			https://dynamic.12306.cn/otsweb/*
// @require			https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
// @icon			http://www.12306.cn/mormhweb/images/favicon.ico
// @run-at			document-idle
// @version 		2.0.1
// @updateURL		http://www.u-tide.com/fish/Service.asmx/Download/44/46/12306_ticket_helper_for_firefox.user.js
// @supportURL		http://www.u-tide.com/fish/soft/44/
// @homepage		http://www.u-tide.com/fish/soft/44/
// ==/UserScript==

/*
 Version 1.1 - 2012/1/9
 + 集成自动提交订单功能（致谢 gist: 12306 auto submit）

 Vesion 1.1.1 - 2012/1/9
 + 增加取消自动提交订单的功能

 Version 1.1.2.1 - 2012/1/9
 * 修改自动登录判断逻辑

 Version 1.1.3
 + 增加改签页面的自动刷新支持

 Version 1.3 - 2012/1/10
 + 新增查询失败时自动刷新的功能
 + 新增预定失败时自动重新预定的功能
 + 新增禁用查询缓存的功能
 + 其它细节更改

 Version 1.3.2 - 2012/1/11
 * 支持自动提交订单设置频率

 Version 1.4
 * 将Chrome和Firefox两个版本分支完全合并，兼容处理
 + Firefox下支持声音提示
 * 修改了提示声音
 * 提示窗口均设置默认值自动关闭
 * 修正点击查询后参数保存的问题
 * 修改了参数保存位置，不再保存在Cookies中
 + 加入改签页面的自动提交
 + 增加脚本更新提示功能


Version 2.0.1
* 登录界面重新调整
+ 增加查询界面参数和设置保存功能
+ 增加过滤无法预定车次功能
+ 增加过滤无需要席别车次功能
+ 修复数个BUG
+ 现在系统已禁止验证码自动跳过，所以当出现验证码错误时，系统将会自动刷新验证码并自动定位到验证码输入框中并请求输入验证码，输入满四位的时候系统将会自动重新提交。

 */

var version = "2.0.1";
var loginUrl = "/otsweb/loginAction.do";
var queryActionUrl = "/otsweb/order/querySingleAction.do";
//预定
var confirmOrderUrl = "/otsweb/order/confirmPassengerAction.do";

//#region -----------------执行环境兼容----------------------

var utility = {
    icon:"http://www.12306.cn/mormhweb/images/favicon.ico",
    notifyObj:null,
    timerObj:null,
    notify:function (msg, timeout) {
        if (window.webkitNotifications && window.webkitNotifications.checkPermission() == 0) {
            utility.closeNotify();

            if (utility.notifyObj == null)
                utility.notifyObj = webkitNotifications.createNotification(utility.icon, '订票', msg);
            utility.notifyObj.show();
            if (!timeout || timeout != 0) utility.timerObj = setTimeout(utility.closeNotify, timeout || 5000);
        } else {
            if (typeof (GM_notification) != 'undefined') {
                GM_notification(msg);
            }
        }
    },
    closeNotify:function () {
        if (!utility.notifyObj) return;

        utility.notifyObj.cancel();
        if (utility.timerObj) {
            clearTimeout(utility.timerObj);
        }
        utility.timerObj = null;
        utility.notifyObj = null;
    },
    setPref:function (name, value) {
        window.localStorage.setItem(name, value);
    },
    getPref:function (name) {
        return window.localStorage[name];
    },
    unsafeCallback:function (callback) {
        if (typeof (unsafeInvoke) == "undefined") callback();
        else unsafeInvoke(callback);
    },
    getTimeInfo:function () {
        var d = new Date();
        return d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
    },
    savePrefs:function (obj, prefix) {
        var objs = obj.find("input");
        objs.change(function () {
            var type = this.getAttribute("type");
            if (type == "text") utility.setPref(prefix + "_" + this.getAttribute("id"), $(this).val());
            else if (type == "checkbox")utility.setPref(prefix + "_" + this.getAttribute("id"), this.checked ? 1 : 0);
        })
    },
    reloadPrefs:function (obj, prefix) {
        var objs = obj.find("input");
        objs.each(function () {
            var e = $(this);
            var type = e.attr("type");
            var id = e.attr("id");
            var value = utility.getPref(prefix + "_" + id);
            if (typeof(value) == "undefined")return;

            if (type == "text")e.val(value);
            else if (type == "checkbox")this.checked = value == "1";
        });
        utility.savePrefs(obj, prefix);
    },
    /**
     * 获得给定信息中的错误信息
     * @param msg 返回的信息内容
     */
    getErrorMsg:function (msg) {
        var m = msg.match(/var\s+message\s*=\s*"([^"]*)/);
        return m && m[1] ? m[1] : "<未知信息>";
    }
}

/**
 * 开始执行脚本
 */
function beginExecute() {
    entryPoint();
}

function safeInvoke(callback) {
    /// <summary>沙箱模式下的回调</summary>

    //因为Chrome不支持require引入脚本包的功能，为避免需要将整个jQuery加载进来，这里使用非安全模式进行执行
    if (isChrome) unsafeInvoke(callback);
    else callback();
}


/**
 * 非沙箱模式的回调数据
 * @param callback 回调数据
 *
 * */
function unsafeInvoke(callback) {
    /// <summary>非沙箱模式下的回调</summary>
    var cb = document.createElement("script");
    cb.type = "text/javascript";
    cb.textContent = buildCallback(callback);
    document.head.appendChild(cb);
}

function buildCallback(callback) {
    var content = "if(typeof(window.utility)=='undefined') {window.utility=" + buildObjectJavascriptCode(utility) + ";}\r\n\
	window.__cb=" + buildObjectJavascriptCode(callback) + ";\r\n\
	if(typeof(jQuery)!='undefined')window.__cb();\r\n\
	else{\
		var script=document.createElement('script');\r\nscript.src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js';\r\n\
		script.type='text/javascript';\r\n\
		script.addEventListener('load', window.__cb);\r\n\
		document.head.appendChild(script);\r\n\
	}";

    return content;
}

/**
 * 将指定的Javascript对象编译为脚本，包含
 * @param object
 */
function buildObjectJavascriptCode(object) {
    if (!object) return null;

    var t = typeof (object);
    if (t == "string") {
        return "\"" + object.replace(/(\r|\n|\\)/gi, function (a, b) {
            switch (b) {
                case "\r":
                    return "\\r";
                case "\n":
                    return "\\n";
                case "\\":
                    return "\\\\";
            }
        }) + "\"";
    }
    if (t != "object") return object + "";

    var code = [];
    for (var i in object) {
        var obj = object[i];
        var objType = typeof (obj);

        if ((objType == "object" || objType == "string") && obj) {
            code.push(i + ":" + buildObjectJavascriptCode(obj));
        } else {
            code.push(i + ":" + obj);
        }
    }

    return "{" + code.join(",") + "}";
}

var isChrome = navigator.userAgent.indexOf("AppleWebKit") != -1;
var isFirefox = navigator.userAgent.indexOf("Firefox") != -1;

if (!isChrome && !isFirefox) {
    alert("很抱歉，未能识别您的浏览器，或您的浏览器尚不支持脚本运行，请使用Firefox或Chrome浏览器！");
} else if (isFirefox && typeof (GM_notification) == 'undefined') {
    alert("很抱歉，本脚本需要最新的Scriptish扩展，请安装它！");
    window.open("https://addons.mozilla.org/zh-CN/firefox/addon/scriptish/");
} else {
    beginExecute();
}

//#endregion

//#region -----------------入口----------------------

function entryPoint() {
    var location = window.location;
    var path = location.pathname;

    if ((path == loginUrl && location.search == "?method=init") || path == "/otsweb/login.jsp") {
        //登录页
        safeInvoke(initLogin);
        checkUpdate();
    } else if (path == queryActionUrl) {
        unsafeInvoke(initTicketQuery);
    } else if (path == "/otsweb/order/myOrderAction.do" && location.search.indexOf("method=resign") != -1) {
        unsafeInvoke(initTicketQuery);
    } else if (path == confirmOrderUrl || path == "/otsweb/order/confirmPassengerResignAction.do") {
        unsafeInvoke(initAutoCommitOrder);
    } else if (path == "/otsweb/main.jsp" || path == "/otsweb/") {
        //主框架
        safeInvoke(injectMainPageFunction);
    }
}

//#endregion

//#region -----------------主框架----------------------

function injectMainPageFunction() {
    if(utility.getPref("warning_noAutomaticSkipVerifyCode")!="1")
    {
        alert("提醒：现在系统已禁止验证码自动跳过，所以当出现验证码错误时，系统将会自动刷新验证码并自动定位到验证码输入框中，请输入验证码，输入满" +
            "四位的时候系统将会自动重新提交。\n\n脚本当前无法实现OCR识别，非常抱歉。\n\n您将无法使用多浏览器同步提交。\n\n这个提示仅会出现一次。");
        utility.setPref("warning_noAutomaticSkipVerifyCode", "1");
    }
    //资源
    var main = $("#main")[0];
    main.onload = function () {
        var location = null;
        try {
            location = main.contentWindow.location + '';
        } catch (e) {
            //出错了，跨站
        }
        if (!location || location == "http://www.12306.cn/mormhweb/logFiles/error.html") {
            resubmitForm();
        }
    }

    if (window.webkitNotifications && window.webkitNotifications.checkPermission() != 0) {
        alert("请启用通告，不然提交会变慢！");
    }

    var resubmitForm = function () {
        var form = $("#orderForm");
        if (form.length == 0) return;

        utility.notify("页面出错了！正在重新预定！");
        form.submit();
    }
}

//#endregion

//#region -----------------自动提交----------------------
function initAutoCommitOrder() {
    var count = 0;
    var breakFlag = 0;

    function stop(msg) {
        $("#tipresult").html("错误 - " + msg);
        $("div.tj_btn button, div.tj_btn input").each(function () {
            this.disabled = false;
            $(this).removeClass().addClass("long_button_u");
        });
        $("#btnCancelAuto").hide();
    }

    function submitForm() {
        if (!window.submit_form_check || !submit_form_check("confirmPassenger")) {
            utility.notify("信息没有填写完整，或当前表单出现异常！");
            return;
        }

        count++;
        $("#tipinfo").html("第 " + count + " 次提交");
        if (breakFlag) {
            stop("已取消自动提交");
            breakFlag = 0;
            return;
        }
        $("#btnCancelAuto").show().removeClass().addClass("long_button_u_down")[0].disabled = false; //阻止被禁用
        breakFlag = 0;

        jQuery.ajax({
            url:$("#confirmPassenger").attr('action'),
            data:$('#confirmPassenger').serialize(),
            type:"POST",
            timeout:30000,
            success:function (msg) {
                var match = msg && msg.match(/org\.apache\.struts\.taglib\.html\.TOKEN['"]?\s*value=['"]?([^'">]+)/i);
                var newToken = match && match[1];
                if (newToken) {
                    $("input[name='org.apache.struts.taglib.html.TOKEN']").val(newToken);
                }
                if (msg.indexOf('席位已成功锁定') > -1) {
                    $("#tipresult").html("订票已成功！");
                    alert("车票预订成功，恭喜!");
                    window.location.replace("/otsweb/order/myOrderAction.do?method=queryMyOrderNotComplete&leftmenu=Y");
                    return;
                }
                if (msg.indexOf('还有未处理的订单') > -1) {
                    $("#tipresult").html("系统发现未处理的订单，可能上次已成功，请验证！");
                    alert("系统发现未处理的订单，可能上次已成功，请验证!");
                    window.location.replace("/otsweb/order/myOrderAction.do?method=queryMyOrderNotComplete&leftmenu=Y");
                    return;
                }
                var retryMessage = ['用户过多', '确认客票的状态后再尝试后续操作', '请不要重复提交'];
                for (var i = retryMessage.length - 1; i >= 0; i--) {
                    if (msg.indexOf(retryMessage[i]) > -1) {
                        $("#tipresult").html(retryMessage[i]);
                        setTimeout(submitForm, 1000 * Math.max(parseInt($("#pauseTime").val()), 1));
                        return;
                    }
                }
                msg = msg.match(/var\s+message\s*=\s*"([^"]*)/);
                if (msg && msg[1].indexOf("验证码") != -1) {
                    $("#img_rrand_code").click();
                    $("#rand")[0].select();
                }
                stop(msg && msg[1] || '出错了。。。。 啥错？ 我也不知道。。。。。');
            },
            error:function (msg) {
                $("#tipresult").html("当前请求发生错误");
                submitForm();
            }
        });
    }


    $("div.tj_btn")
        .before("<div style='text-align:center;'><span id='tipinfo'></span>：<span id='tipresult'></span></div>")
        .append("<button class='long_button_u_down' type='button' id='btnAutoSubmit'>自动提交</button>" +
        " <button class='long_button_u_down' type='button' id='btnCancelAuto' style='display:none;'>取消自动</button>");
    $("#btnAutoSubmit").click(function () {
        count = 0;
        breakFlag = 0;
        submitForm();
    });
    $("#btnCancelAuto").click(function () {
        $(this).hide();
        breakFlag = 1;
    });
    $("#rand").keyup(function (e) {
        if (e.charCode == 13 || $("#rand").val().length == 4)submitForm();
    });

    //清除上次保存的预定信息
    if (parent) {
        parent.$("#orderForm").remove();
    }

    //提交频率差别
    $(".table_qr tr:last").before("<tr><td colspan='9'>自动提交失败时休息时间：<input type='text' size='4' class='input_20txt' style='text-align:center;' value='3' id='pauseTime' />秒 （不得低于1）</td></tr>");
}

//#endregion

//#region -----------------自动刷新----------------------
function initTicketQuery() {
    var buttonid = "";
    var autoRefresh = false;
    var queryCount = 0;
    var timer = null;
    var isTicketAvailable = false;
    var audio = null; //通知声音
    var timerCountDown = 0;
    var timeCount = 0;
    var filterNonBookable=false;
    var filterNonNeeded=false;
    var autoBook=false;
    //初始化表单
    var form = $("form[name=querySingleForm] .cx_from");
    form.find("tr:last").after("<tr class='append_row'><td colspan='9'><label><input type='checkbox' id='keepinfo' checked='checked' />记住信息</label> <label><input checked='checked' type='checkbox' id='autoRequery' />自动重新查询</label>，查询周期(S)：<input type='text' value='6' size='4' id='refereshInterval' style='text-align:center;' />(不得小于6) " +
        "<label><input type='checkbox' checked='checked' id='chkAudioOn'>声音提示</label> <label><input type='checkbox' id='chkSeatOnly'>仅座票</label> <label><input type='checkbox' id='chkSleepOnly'>仅卧铺</label>" +
        "<input type='button' id='enableNotify' onclick='window.webkitNotifications.requestPermission();' value='请点击以启用通告' style='line-height:25px;padding:5px;' /> <span id='refreshinfo'>已刷新 0 次，最后查询：--</span> <span id='refreshtimer'></span></td></tr>" +
        "<tr class='append_row'><td colspan='9'><input type='checkbox' checked='checked' id='chkAudioLoop'>声音循环</label>" +
        "<span style='font-weight:bold;margin-left:10px;color:blue;'><label><input type='checkbox' id='chkAutoResumitOrder' checked='checked' />预定失败时自动重试</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:blue;'><label><input type='checkbox' id='chkAutoRequery' checked='checked' />查询失败时自动重试</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:green;'><label><input type='checkbox' id='chkChangeType' checked='checked' />禁用查询缓存</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:red;'><label><input type='checkbox' id='chkFilterNonBookable' />过滤不可预订的车次</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:red;'><label><input type='checkbox' id='chkFilterNonNeeded' />过滤不需要的席别</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:blue;display:none;'><label><input disabled='disabled' type='checkbox' id='chkAutoPreOrder' />自动预定</label></span>" +
        "<span style='font-weight:bold;margin-left:10px;color:blue;display: none;'><label><input disabled='disabled' type='checkbox' id='chkFilterByTrain' />开启按车次过滤</label></span>" +
        "<input type='hidden' id='queryid' /></td></tr>"+
        "<tr><td colspan='9'><input style='line-height:25px;padding:5px;' disabled='disabled' type='button' value='停止声音' id='btnStopSound' /><input style='line-height:25px;padding:5px;' disabled='disabled'  type='button' value='停止刷新' id='btnStopRefresh' /></td> </tr>"
    );
    utility.reloadPrefs($("tr.append_row"),"ticket_query");
    $("#chkFilterNonBookable").change(function(){ filterNonBookable=this.checked; });
    $("#chkFilterNonNeeded").change(function(){ filterNonNeeded=this.checked; });

    //过滤提示
    $("#gridbox").before("<div id='filterEmpty'><span style=''></span></div>");

    if (!window.Audio) {
        $("#chkAudioOn, #chkAudioLoop, #btnStopSound").remove();
    } else {
        $("#btnStopSound").click(function () {
            if (audio) {
                audio.pause();
            }
            this.disabled = true;
        });
    }

    //操作控制
    $("#btnStopRefresh").click(function () {
        resetTimer();
    });

    //显示座级选择UI
    var ticketType = new Array();
    $(".hdr tr:eq(2) td").each(function (i, e) {
        ticketType.push(false);
        if (i < 3) return;
        ticketType[i] = true;

        var c = $("<input/>").attr("type", "checkBox").attr("checked", true);
        c[0].ticketTypeId = i;
        c.change(
            function () {
                ticketType[this.ticketTypeId] = this.checked;
            }).appendTo(e);
    });

    //座级选择
    $("#chkSeatOnly").click(function () {
        if (!this.checked) return;
        $(".hdr tr:eq(2) td").each(function (i, e) {
            $(this).find("input").attr("checked", $(this).text().indexOf("座") != -1).change();
        });
        $("#chkSleepOnly")[0].checked = false;
    });
    $("#chkSleepOnly").click(function () {
        if (!this.checked) return;
        $(".hdr tr:eq(2) td").each(function (i, e) {
            $(this).find("input").attr("checked", $(this).text().indexOf("卧") != -1).change();
        });
        $("#chkSeatOnly")[0].checked = false;
    });

    //通知权限
    if (!window.webkitNotifications || window.webkitNotifications.checkPermission() == 0) {
        $("#enableNotify").remove();
    }

    //保存信息
    function saveStateInfo() {
        if (!$("#keepinfo")[0].checked || $("#fromStationText")[0].disabled) return;
        utility.setPref("_from_station_text", $("#fromStationText").val());
        utility.setPref("_from_station_telecode", $("#fromStation").val());
        utility.setPref("_to_station_text", $("#toStationText").val());
        utility.setPref("_to_station_telecode", $("#toStation").val());
        utility.setPref("_depart_date", $("#startdatepicker").val());
        utility.setPref("_depart_time", $("#startTime").val());
    }

    $("#submitQuery, #stu_submitQuery").click(saveStateInfo);

    //是否是学生票？
    var queryevent = function () {
        buttonid = this.getAttribute("id");
        $("#queryid").val(buttonid);
        autoRefresh = ($("#autoRequery")[0].checked);
    };
    $("#submitQuery, #stu_submitQuery").click(queryevent);
    $("#autoRequery").change(function () {
        autoRefresh = this.checked;
        if (!this.checked) return;

        resetTimer();
    });
    $("#refereshInterval").change(
        function () {
            timeCount = Math.max(6, parseInt($("#refereshInterval").val()));
        }).change();

    //定时查询
    function resetTimer() {
        queryCount = 0;
        $("#btnStopRefresh")[0].disabled = true;
        if (timer) {
            clearTimeout(timer);
            timer = null;
        }
        $("#refreshtimer").html("");
    }

    function countDownTimer() {
        timerCountDown--;
        $("#refreshtimer").html(" 【" + timerCountDown + "秒后自动查询...】");

        if (timerCountDown > 0) {
            timer = setTimeout(countDownTimer, 1000);
        } else {
            doQuery();
        }
    }

    function displayQueryInfo() {
        queryCount++;
        $("#refreshinfo").html("已刷新 " + queryCount + " 次，最后查询：" + utility.getTimeInfo());
        $("#refreshtimer").html("正在查询");
    }

    function doQuery() {
        timer = null;
        if (audio) audio.pause();
        displayQueryInfo();
        $("#" + buttonid).click();
    }

    //验证车票有开始

    var highLightRow = function (row) {
        row.css("background-color", "#FD855C");
    }
    var highLightCell = function (cell) {
        cell.css("background-color", "#95AFFD");
    }
    var onticketAvailable = function () {
        resetTimer();
        $("#refreshinfo").html("已经有票鸟！");

        setTimeout(function () {
            if (window.Audio && $("#chkAudioOn")[0].checked) {
                if (!audio) {
                    audio = new Audio("http://www.w3school.com.cn/i/song.ogg");
                    audio.loop = $("#chkAudioLoop")[0].checked;
                }
                $("#btnStopSound")[0].disabled = false;
                audio.play();
                utility.notify("可以订票了！", null);
            } else {
                utility.notify("可以订票了！", null);
            }
        }, 100);
    }
    //检查是否可以订票
    var checkTickets = function (row) {
        var hasTicket = 1;
        if ($("input.yuding_x", row).length > 0) return 0;

        $("td", row).each(function (i, e) {
            if (!ticketType[i - 1]) return;
            var el = $(e);

            var info = $.trim(el.text()); //Firefox不支持 innerText
            if (info != "--" && info != "无") {
                hasTicket = 2;
                highLightCell(el);
            }
        });

        return hasTicket;
    }

    //目标表格
    $("body").ajaxComplete(function (e, r, s) {
        if (s.url.indexOf("queryLeftTicket") == -1)
            return;

        //验证有票
        var rows = $("table.obj tr:gt(0)");
        var ticketValid = false;
        rows.each(function () {
                var row = $(this);
                var valid = checkTickets($(this));
                if (valid == 2)highLightRow(row);
                else {
                    if (valid == 1 && filterNonNeeded)row.hide();
                    if (valid == 0 && filterNonBookable)row.hide();
                }
                ticketValid = ticketValid || valid == 2;
            }
        );
        if (ticketValid) {
            onticketAvailable();
        } else if (autoRefresh) {
            timerCountDown = timeCount + 1;
            //没有定时器的时候，开启定时器准备刷新
            $("#btnStopRefresh")[0].disabled = false;
            countDownTimer();
        }
    });
    //回填信息
    if (!$("#fromStationText")[0].disabled) {
        var FROM_STATION_TEXT = utility.getPref('_from_station_text');  // 出发站名称
        var FROM_STATION_TELECODE = utility.getPref('_from_station_telecode');  // 出发站电报码
        var TO_STATION_TEXT = utility.getPref('_to_station_text');  // 到达站名称
        var TO_STATION_TELECODE = utility.getPref('_to_station_telecode');  // 到达站电报码
        var DEPART_DATE = utility.getPref('_depart_date');  // 出发日期
        var DEPART_TIME = utility.getPref('_depart_time'); // 出发时间

        if (FROM_STATION_TEXT) {
            $("#fromStationText").val(FROM_STATION_TEXT);
            $("#fromStation").val(FROM_STATION_TELECODE);
            $("#toStationText").val(TO_STATION_TEXT);
            $("#toStation").val(TO_STATION_TELECODE);
            $("#startdatepicker").val(DEPART_DATE);
            $("#startTime").val(DEPART_TIME);
        }
    }

    //系统繁忙时自动重复查询 chkAutoResumitOrder
    $("#orderForm").submit(function () {
        if ($("#chkAutoResumitOrder")[0].checked) {
            parent.$("#orderForm").remove();
            parent.$("body").append($("#orderForm").clone(false).attr("target", "main"));
        }
    });
    $("body").ajaxComplete(function (e, r, s) {
        if (!$("#chkAutoRequery")[0].checked) return;
        if (s.url.indexOf("/otsweb/order/querySingleAction.do") != -1 && r.responseText == "-1") {
            delayButton();
            $("#" + $("#queryid").val()).click();
        }
    });
   $("body").ajaxError(function (e, r, s) {
        if (!$("#chkAutoRequery")[0].checked) return;
        if (s.url.indexOf("/otsweb/order/querySingleAction.do") !=-1) {
            delayButton();
            $("#" + $("#queryid").val()).click();
        }
    });

    $("#chkChangeType").change(
        function () {
            $.ajaxSetup({ cache:!this.checked });
        }).change();

    //Hack掉原来的系统函数。丫居然把所有的click事件全部处理了，鄙视
    window.invalidQueryButton = function () {
        var queryButton = $("#submitQuery");
        queryButton.unbind("click", sendQueryFunc);
        if (queryButton.attr("class") == "research_u") {
            renameButton("research_x");
        } else if (queryButton.attr("class") == "search_u") {
            renameButton("search_x");
        }
    }

    //车次预选
    //车次自动预定

}

//#endregion

//#region -----------------自动登录----------------------

function initLogin() {
    var url = "https://dynamic.12306.cn/otsweb/loginAction.do?method=login";
    utility.unsafeCallback(function () {
        if (parent && parent.$) {
            var str = parent.$("#username_ a").attr("href");
            if (str && str.indexOf("sysuser/user_info") != -1) {
                window.location.href = "https://dynamic.12306.cn/otsweb/order/querySingleAction.do?method=init";
            }
            return;
        }
    });

    //插入登录标记
    var form = $("#loginForm");
    var trs=form.find("tr");
    trs.eq(0).find("td:last").html('<input type="button" id="enableNotify" onclick="$(this).hide();window.webkitNotifications.requestPermission();" value="请点击以启用通告" style="line-height:25px;padding:5px;" />');
    trs.eq(1).find("td:last").html('<label><input type="checkbox" id="keepInfo" /> 记录密码</label>');
    trs.last().find("td:eq(1)").prepend('<a class="button_a" id="refreshButton" href="javascript:void(0);"><span><ins>自动登录</ins></span></a>');
    trs.last().find("td:last").html('<span id="tipMessage" style="color:red;"></span>');
    trs.eq(2).find("td:last").append('<div id="spanUpdateScript" style="display:none;"><a href="http://www.u-tide.com/fish/Service.asmx/Download/44/47/12306_ticket_helper.user.js" target="_blank">更新脚本</a></div>').css("line-height","18px");

    if (!window.webkitNotifications || window.webkitNotifications.checkPermission() == 0) {
        $("#enableNotify").remove();
    }

    function setTipMessage(msg){
         $("#tipMessage").html(utility.getTimeInfo()+"&nbsp;&gt;&nbsp;"+utility.getErrorMsg(msg));
    }

    function submitForm() {
        var submitUrl = url;
        var un = $("#UserName").val();
        var up = $("#password").val();
        var rand = $("#randCode").val();

        if (!rand || rand.length != 4) {
            alert("请输入验证码！");
            stopLogin();
            return;
        }

        if ($("#keepInfo")[0].checked) {
            utility.setPref("__un", un);
            utility.setPref("__up", up)
        }
        $.ajax({
            type:"POST",
            url:submitUrl,
            data:{
                "loginUser.user_name":un, "user.password":up, "randCode":rand
            },
            timeout:30000,
            success:function (msg) {
                if (msg.indexOf('请输入正确的验证码') > -1) {
                    stopLogin();
                    alert('请输入正确的验证码！');
                    if(msg.indexOf("验证码")!=-1){
                        $("#img_rrand_code").click();
                        $("#randCode")[0].select();
                    }
                    return;
                };
                if (msg.indexOf("欢迎您！") != -1) {
                    utility.closeNotify();
                    alert('登录成功，开始查询车票吧！');
                    window.location.href = "https://dynamic.12306.cn/otsweb/order/querySingleAction.do?method=init";
                };
                $("#tipMessage").html("["+utility.getTimeInfo()+"]"+utility.getErrorMsg(msg));
                relogin();
            },
            error:function (msg) {
                relogin();
            },
            beforeSend:function (XHR) {
            }
        });
    }

    var count = 1;

    function relogin() {
        count++;
        utility.notify("自动登录中：(" + count + ") 次登录中...");
        setTimeout(submitForm, 2000);
    }

    function stopLogin() {
        $('#refreshButton').val("自动登录")[0].disabled = false;
    }

    //初始化
    $("#refreshButton").click(function () {
        count = 1;
        utility.notify("自动登录中：(1) 次登录中...");
        setTipMessage("开始登录中....");
        submitForm();
        return false;
    });

    var kun = utility.getPref("__un");
    var kup = utility.getPref("__up");
    if (kun && kup) {
        $("#UserName").val(kun);
        $("#password").val(kup);
        $("#randCode")[0].focus();
    }
    $("#randCode").keyup(function (e) {
        e = e || event;
        if (e.charCode == 13 || $("#randCode").val().length == 4)relogin();
    });
}

//#endregion

//#region 检查更新

function checkUpdate() {
    if (isFirefox) {
        if (typeof (GM_xmlhttpRequest) == "undefined") return;

        var request = GM_xmlhttpRequest({
            url:"http://em.tiande.com/fish/44.txt",
            method:"GET",
            ignoreCache:true,
            onload:function (r) {
                var v2 = r.responseText;
                if (compareVersion(version, v2) < 0) {
                    $("#spanUpdateScript").show();
                    alert("助手脚本已经发布了最新版 " + v2 + "，请在登录页面上点击更新链接更新 :-)");
                }
            }
        });
    } else {
        //谷歌的依然有跨站问题。所以用传统的方法
        var updateScriptVersion = document.createElement("script");
        updateScriptVersion.type = "text/javascript";
        updateScriptVersion.textContent = "var version='" + version + "'; " + compareVersion + "; (" + updateScriptContentForChrome + ")();";
        document.head.appendChild(updateScriptVersion);
    }
}

function updateScriptContentForChrome() {
    var updateScipt = document.createElement('script');
    updateScipt.src = 'http://em.tiande.com/fish/44.js?' + Math.random();
    updateScipt.type = 'text/javascript';
    updateScipt.addEventListener('load', function () {
        if (compareVersion(version, version_12306_helper) < 0) {
            $("#spanUpdateScript").show();
            alert('助手脚本已经发布了最新版 ' + version_12306_helper + '，请在登录页面上点击更新链接更新 :-)');
        }
    });
    document.head.appendChild(updateScipt);
}

function compareVersion(v1, v2) {
    var vv1 = v1.split('.');
    var vv2 = v2.split('.');

    var length = Math.min(vv1.length, vv2.length);
    for (var i = 0; i < length; i++) {
        var s1 = parseInt(vv1[i]);
        var s2 = parseInt(vv2[i]);

        if (s1 < s2) return -1;
        if (s1 > s2) return 1;
    }

    return vv1.length > vv2.length ? 1 : vv1.length < vv2.length ? -1 : 0;
}

//#endregion