$(function(){
    //右侧最小高度 = 左侧高度 - 15px   保证两边高度基本一样，页面美观
    $("#RSide").css("min-height",$("#LSide").height()-35);
    //$("#users_setting").css("min-height",$("#LSide").height()-100);

    //头像相关
    $("#homepage_portrait_image").on("mouseover",function(){
        $("#edit_user_file_btn").show();
        $("#watch_user_btn").show();
    }).on("mouseout",function(){
        $("#edit_user_file_btn").hide();
        $("#watch_user_btn").hide();
    });

    //日历选择样式
    //$(".ui-datepicker-trigger").replaceWith("<div class='fl DateBorder mr10'><img class='ui-datepicker-trigger'></div>")
});

//编辑个人简介
function show_edit_user_introduction() {
    $("#user_brief_introduction_show").hide();
    $("#user_brief_introduction_edit").show();
    $("#user_brief_introduction_edit").focus();
}

//编辑个人简介完成之后提交
function edit_user_introduction(url){
    $.get(
        url,
        { brief_introduction: $("#user_brief_introduction_edit").val() },
        function (data) {

        }
    );
}

//显示更多的课程
function show_more_course(url){
    $.get(
        url,
        function (data) {
        }
    );
}

//显示更多的项目
function show_more_project(url){
    $.get(
        url,
        function (data) {

        }
    );
}

//个人留言
function jour_submit(){
    if(jourReplyVerify()){
        $("#private_flag").val("0");
        jour_content_editor.sync();//提交内容之前要sync，不然服务器端取不到值
        $("#user_feedback_new").submit();
    }
}

function private_jour_submit(){
    if(jourReplyVerify()){
        $("#private_flag").val("1");
        jour_content_editor.sync();//提交内容之前要sync，不然服务器端取不到值
        $("#user_feedback_new").submit();
    }
}

function jourReplyVerify() {
    var content = jour_content_editor.html();//$.trim($("#message_content").val());
    if (jour_content_editor.isEmpty()) {
        $("#jour_content_span").text("留言不能为空");
        $("#jour_content_span").css('color', '#ff0000');
        $("#submit_feedback_user").one('click',function() {
            jour_submit();
        });
        $("#private_submit_feedback_user").one('click',function() {
            private_jour_submit();
        });
        return  false;
    }
    else {
        $("#jour_content_span").text("填写正确");
        $("#jour_content_span").css('color', '#008000');
        return true;
    }
}

//老师提交 新建/修改 作业
function submit_homework(id){
    if(!regex_homework_name()){
        $("#homework_name").focus();
    }
    else if(!regex_homework_end_time()){
        $("#homework_end_time").focus();
    }
    else if(!regex_homework_end_publish_time()){
        $("#homework_end_time").focus();
    }
    else if(!regex_course_id()){
        $("#course_id").focus();
    }
    else{
        homework_description_editor.sync();
        $("#"+id).submit();
    }
}

//验证新建作业的名字
function regex_homework_name()
{
    var name = $.trim($("#homework_name").val());

    if(name=="")
    {
        $("#homework_name_span").text("名称不能为空");
        return false;
    }
    else
    {
        $("#homework_name_span").text("");
        return true;
    }
}
//验证发布时间不能大于截止时间
function regex_homework_end_publish_time()
{
    var myDate = new Date();
    if($.trim($("#homework_publish_time").val()) == "")
    {
        $("#homework_publish_time").val(formate_date(myDate));
    }
    var end_time = Date.parse($("#homework_end_time").val());
    var publish_time = Date.parse($("#homework_publish_time").val());
    if(end_time < publish_time)
    {
        $("#homework_end_time_span").text("截止日期不能小于发布日期");
        return false;
    }
    else
    {
        $("#homework_end_time_span").text("");
        return true;
    }
}

//验证截止时间
function regex_homework_end_time()
{
    var name = $.trim($("#homework_end_time").val());
    if(name=="")
    {
        $("#homework_end_time_span").text("截止时间不能为空");
        return false;
    }
    else
    {
        $("#homework_end_time_span").text("");
        return true;
    }
}

function formate_date(date){
    var str = "";
    var year = date.getFullYear();
    var month = date.getMonth() + 1;
    var day = date.getDate();
    if(month < 10) {
        month = '0' + month;
    }
    if(day < 10) {
        day = '0' + day;
    }
    str = year + '-' + month + '-' + day;
    return str;
}

//验证发送到课程
function regex_course_id(){
    var course_id = $("#course_id").val();
    if(course_id == -1)
    {
        $("#homework_course_id_span").text("发布课程不能为空");
        return false;
    }
    else
    {
        $("#homework_course_id_span").text("");
        return true;
    }
}

//验证分组作业的参数
function regex_group_attr(){
    var min = $.trim($("#min_num").val());
    var max = $.trim($("#max_num").val());
    var regex = /^\d+$/;
    if(!regex.test(min) || parseInt(min) <= 0) {
        $("#min_max_num_notice").html("人数为正整数");
        $("#min_max_num_notice").show();
        $("#min_num").focus();
        return false;
    } else {
        $("#min_max_num_notice").html("");
        $("#min_max_num_notice").hide();
    }
    if(!regex.test(max) || parseInt(max) <= 0) {
        $("#min_max_num_notice").html("人数为正整数");
        $("#min_max_num_notice").show();
        $("#max_num").focus();
        return false;
    } else {
        $("#min_max_num_notice").html("");
        $("#min_max_num_notice").hide();
    }
    if(parseInt(min) > parseInt(max)) {
        $("#min_max_num_notice").html("最小人数不得大于最大人数");
        $("#min_max_num_notice").show();
        $("#max_num").focus();
        return false;
    } else {
        $("#min_max_num_notice").html("");
        $("#min_max_num_notice").hide();
    }
    if ($("#base_on_project").is(":checked")) {
        $("#base_on_project").val(1);
    } else {
        $("#base_on_project").val(0);
    }
    return true;
}

//验证编程作业的参数
function regex_program_attr() {
    var result = true;
    $.each($('#programHomework textarea.InputBox'), function(i, val){
        if (result && $(val).val().length<=0) {
            $(val)[0].focus();
            result = false;
        }
    });
    return result;
}

//老师导入作业时查询作业
function search_homework_by_name(url){
    $.get(
        url,
        { name: $("#search_homework_name").val() },
        function (data) {
        }
    );
}

//提交匿评参数设置
function submit_set_evaluation_attr(end_time){
    if(!regex_evaluation_start(end_time)){
        $("#evaluation_start_time").focus();
    }
    else if(!regex_evaluation_end()){
        $("#evaluation_end_time").focus();
    }
    else if(!regex_evaluation_num()){
        $("#evaluation_num").focus();
    }
    else{
        $('#muban_popup_box form').submit();
        hideModal();
    }
}

//验证匿评开启时间：大于截止时间,或者为空
function regex_evaluation_start(end_time){
    var evaluation_start = $.trim($("#evaluation_start_time").val());
    if(evaluation_start == ""){
        $("#homework_evaluation_start_time").text("开启匿评日期不能为空");
        return false;
    }
    var end_time = new Date(end_time);
    var evaluation_start_time = new Date(evaluation_start);
    if(evaluation_start_time > end_time){
        $("#homework_evaluation_start_time").text("");
        return true;
    }else{
        $("#homework_evaluation_start_time").text("开启匿评日期必须大于截止日期");
        return false;
    }
}

//验证匿评结束时间：大于匿评开启时间,或者为空。当匿评开启时间为空时，匿评结束时间必须为空
function regex_evaluation_end(){
    var evaluation_start = $.trim($("#evaluation_start_time").val());
    var evaluation_end = $.trim($("#evaluation_end_time").val());
    if(evaluation_end == ""){
        $("#homework_evaluation_end_time").text("关闭匿评日期不能为空");
        return true;
    }
    var evaluation_start_time = new Date(evaluation_start);
    var evaluation_end_time = new Date(evaluation_end);
    if(evaluation_end_time >= evaluation_start_time){
        $("#homework_evaluation_end_time").text("");
        return true;
    }else{
        $("#homework_evaluation_end_time").text("关闭匿评日期不能小于开启匿评日期");
        return false;
    }
}

//处理迟交、缺评扣分
function check_late_penalty(id)
{
    var obj = $("#" + id);
    var regex = /^\d+$/;
    if(regex.test(obj.val()))
    {
        if(obj.val() > 50)
        {
            obj.val("50");
        }
    }
    else
    {
        obj.val("");
    }
}

//验证匿评数量
function regex_evaluation_num(){
    var evaluation_num = $.trim($("#evaluation_num").val());
    var regex = /^\d+$/;
    if(evaluation_num==""){
        $("#evaluation_num_notice").text("匿评人数不能为空");
        return false;
    }
    else if(regex.test(evaluation_num)){
        if(evaluation_num > 0){
            $("#evaluation_num_notice").html("");
            return true;
        }
        else{
            $("#evaluation_num_notice").text("匿评人数必须为大于0");
            return false;
        }
    }
    else{
        $("#evaluation_num_notice").text("匿评人数只能为数字");
        return false;
    }
}

//提交新建作品
function new_student_work()
{
    if(regexStudentWorkName()&&regexStudentWorkDescription())
    {
        if($("#group_member_ids").length > 0) {
            if(regexStudentWorkMember(parseInt($.trim($("#min_num_member").html())),parseInt($.trim($("#max_num_member").html())))) {
                $("#new_student_work").submit();
                $("#ajax-indicator").hide();
            }
        } else {
            $("#new_student_work").submit();
            $("#ajax-indicator").hide();
        }
    }
}

function edit_student_work(id)
{
    if(regexStudentWorkName()&&regexStudentWorkDescription())
    {
        if($("#group_member_ids").length > 0) {
            if(regexStudentWorkMember(parseInt($.trim($("#min_num_member").html())),parseInt($.trim($("#max_num_member").html())))) {
                $("#edit_student_work_" + id).submit();
                $("#ajax-indicator").hide();
            }
        } else {
            $("#edit_student_work_" + id).submit();
            $("#ajax-indicator").hide();
        }
    }
}

//验证作品名称
function regexStudentWorkName()
{
    var name = $.trim($("#student_work_name").val());

    if(name=="")
    {
        $("#student_work_name_span").text("作品名称不能为空");
        return false;
    }
    else
    {
        $("#student_work_name_span").text("");
        return true;
    }
}

function regexStudentWorkDescription()
{
    var name = $.trim($("#student_work_description").val());

    if(name=="")
    {
        $("#student_work_description_textarea").text("作品描述不能为空");
        return false;
    }
    else
    {
        $("#student_work_description_textarea").text("");
        return true;
    }
}

function regexStudentWorkMember(min, max) {
    var members = $.trim($("#group_member_ids").val()).split(',');
    if ( min <= members.length  && members.length <= max ){
        $("#student_work_group_textarea").text("");
        return true;
    } else {
        $("#student_work_group_textarea").text("合作成员人数应为:"+min+"-"+max+"人");
        return false;
    }
}

//学生作品
function show_project()
{
    $("#about_project").slideToggle();
}

//添加分组成员
function show_group_member(){
    $("#chooseGroupMember").dialog("open");
    $(".ui-dialog-titlebar").hide();
    $("a.popClose").on('click', function(){
        $("#chooseGroupMember" ).dialog("close");
    });
    $("#cancel_add").on('click', function(){
        $("#chooseGroupMember" ).dialog("close");
    });
    //$('#min_num').focus();
}

//textarea自适应高度 纯js写的 有浏览器判断
/**
 * 文本框根据输入内容自适应高度
 * @param                {HTMLElement}        输入框元素
 * @param                {Number}                设置光标与输入框保持的距离(默认0)
 * @param                {Number}                设置最大高度(可选)
 */
var autoTextarea = function (elem, extra, maxHeight) {
    extra = extra || 0;
    var isFirefox = !!document.getBoxObjectFor || 'mozInnerScreenX' in window,
        isOpera = !!window.opera && !!window.opera.toString().indexOf('Opera'),
        addEvent = function (type, callback) {
            elem.addEventListener ?
                elem.addEventListener(type, callback, false) :
                elem.attachEvent('on' + type, callback);
        },
        getStyle = elem.currentStyle ? function (name) {
            var val = elem.currentStyle[name];

            if (name === 'height' && val.search(/px/i) !== 1) {
                var rect = elem.getBoundingClientRect();
                return rect.bottom - rect.top -
                    parseFloat(getStyle('paddingTop')) -
                    parseFloat(getStyle('paddingBottom')) + 'px';
            };

            return val;
        } : function (name) {
            return getComputedStyle(elem, null)[name];
        },
        minHeight = parseFloat(getStyle('height'));


    elem.style.resize = 'none';

    var change = function () {
        var scrollTop, height,
            padding = 0,
            style = elem.style;

        if (elem._length === elem.value.length) return;
        elem._length = elem.value.length;

        if (!isFirefox && !isOpera) {
            padding = parseInt(getStyle('paddingTop')) + parseInt(getStyle('paddingBottom'));
        };
        scrollTop = document.body.scrollTop || document.documentElement.scrollTop;

        elem.style.height = minHeight + 'px';
        if (elem.scrollHeight > minHeight) {
            if (maxHeight && elem.scrollHeight > maxHeight) {
                height = maxHeight - padding;
                style.overflowY = 'auto';
            } else {
                height = elem.scrollHeight - padding;
                style.overflowY = 'hidden';
            };
            style.height = height + extra + 'px';
            scrollTop += parseInt(style.height) - elem.currHeight;
            document.body.scrollTop = scrollTop;
            document.documentElement.scrollTop = scrollTop;
            elem.currHeight = parseInt(style.height);
        };
    };

    addEvent('propertychange', change);
    addEvent('input', change);
    addEvent('focus', change);
    change();
};

function limitStrsize(id,length){
    $('#'+id).keypress(function(e)
    {
        var n = 0;
        var str = this.value;
        for (i = 0; i < str.length; i++) {
            var leg = str.charCodeAt(i);//ASCII码
            if (leg > 255) {//大于255的都是中文
                n += 2;//如果是中文就是2个字节
            } else {
                n += 1;//英文，不多说了
            }
        }

        if(n >= length && e.keyCode !== 8)
            if(document.all)
            {
                e.returnValue = false;
            }
            else
            {
                e.preventDefault();
            }
    })
}

/////////////////////////////////////////////////////////////////////////////////////创建项目
//验证项目名称是不是为空
function regex_project_name(){
    var name = $.trim($("#project_name").val());
    if(name=="")
    {
        $("#project_name_error_msg").text("项目名称不能为空");
        return false;
    }
    else
    {
        $("#project_name_error_msg").text("");
        return true;
    }
}

//验证项目名称是否重复---项目名称可以重复。。。。
function regex_project_name_same(){
    var name = $.trim($("#project_name").val());
    return true;
}

//验证项目描述
function regex_project_desc(){
    var desc = $.trim($("#project_description").val());
    if(desc == "")
    {
        $("#project_desc_error_msg").text("项目名称不能为空");
        return false;
    }
    else
    {
        $("#project_desc_error_msg").text("");
        return true;
    }
}
//提交
function submit_project(){
    if(regex_project_name()&&regex_project_desc()){
        $("#new_project").submit();
    }
}
/////////////////////////////////////////////////////////////////////////////////////创建项目 end
//匿评弹框取消按钮
function clickCanel(){hideModal("#popbox02");}
//匿评弹框确定按钮
function clickOK(path)
{
    clickCanel();
    $.ajax({
        type: "GET",
        url: path,
        data: 'text',
        success: function (data) {
        }
    });
}
//关闭引入资源弹框
function hideResource(){
    $('#ajax-modal').parent().removeClass("popbox").removeClass("referenceResourcesPopup");
    hideModal();
}
/////////////////////////////////////////////////////////////////////////////////////////

var autoTextarea2 = function (elem,elem2, extra, maxHeight) {
    extra = extra || 0;
    var isFirefox = !!document.getBoxObjectFor || 'mozInnerScreenX' in window,
        isOpera = !!window.opera && !!window.opera.toString().indexOf('Opera'),
        addEvent = function (element, type, callback) {
            element.addEventListener ?
                element.addEventListener(type, callback, false) :
                element.attachEvent('on' + type, callback);
        },
        getFirstStyle = elem.currentStyle ? function (name) {
            var val = elem.currentStyle[name];

            if (name === 'height' && val.search(/px/i) !== 1) {
                var rect = elem.getBoundingClientRect();
                return rect.bottom - rect.top -
                    parseFloat(getFirstStyle('paddingTop')) -
                    parseFloat(getFirstStyle('paddingBottom')) + 'px';
            };

            return val;
        } : function (name) {
            return getComputedStyle(elem, null)[name];
        },
        minHeight = parseFloat(getFirstStyle('height'))

    elem.style.resize = 'none';
    elem2.style.resize = 'none';
    var change = function () {
        var scrollTop, height,
            padding = 0,
            style = elem.style,
            style2 = elem2.style;


        if (elem._length === elem.value.length) return;
        elem._length = elem.value.length;
        elem2._length = elem._length;
        if (!isFirefox && !isOpera) {
            padding = parseInt(getFirstStyle('paddingTop')) + parseInt(getFirstStyle('paddingBottom'));
        };
        scrollTop = document.body.scrollTop || document.documentElement.scrollTop;

        elem.style.height = minHeight + 'px';
        elem2.style.height = minHeight + 'px';
        if (elem.scrollHeight > minHeight) {
            if (maxHeight && elem.scrollHeight > maxHeight) {
                height = maxHeight - padding;
                style.overflowY = 'auto';
                style2.overflowY = 'auto';
            } else {
                height = elem.scrollHeight - padding;
                style.overflowY = 'hidden';
                style2.overflowY = 'hidden';
            };
            style.height = height + extra + 'px';
            style2.height = height + extra + 'px';
            scrollTop += parseInt(style.height) - elem.currHeight;
            document.body.scrollTop = scrollTop;
            document.documentElement.scrollTop = scrollTop;
            elem.currHeight = parseInt(style.height);
        };
        if (elem2.scrollHeight > minHeight) {
            if (maxHeight && elem2.scrollHeight > maxHeight) {
                height = maxHeight - padding;
                style.overflowY = 'auto';
                style2.overflowY = 'auto';
            } else {
                height = elem2.scrollHeight - padding;
                style.overflowY = 'hidden';
                style2.overflowY = 'hidden';
            };
            style.height = height + extra + 'px';
            style2.height = height + extra + 'px';
            scrollTop += parseInt(style2.height) - elem2.currHeight;
            document.body.scrollTop = scrollTop;
            document.documentElement.scrollTop = scrollTop;
            elem2.currHeight = parseInt(style2.height);
        };
    };

    addEvent(elem, 'propertychange', change);
    addEvent(elem, 'input', change);
    addEvent(elem, 'focus', change);
    addEvent(elem2, 'propertychange', change);
    addEvent(elem2, 'input', change);
    addEvent(elem2, 'focus', change);
    change();
};

function user_name_keypress(e){
    if (e.keyCode == '13') {
        $('#main_login_form').submit();
    }
}

function changeRegisterBtn(checkbox){
    if(checkbox.checked == true){
        $("#loginUpButton").removeClass('new_login_submit_disable');
        $("#loginUpButton").addClass('new_login_submit');
    }else{
        $("#loginUpButton").removeClass('new_login_submit')
        $("#loginUpButton").addClass('new_login_submit_disable');
    }
}

function clearInfo(id, content) {
    var text = $('#' + id);
    if (text.val() == content) {
        $('#' + id).val('');
    }
}

function showInfo(id, content) {
    var text = $('#' + id);
    if (text.val() == '') {
        $('#' + id).val(content);
    }
}

function login(){
    $('#main_login_form').submit(); //表单提交没有任何反应的原因：js冲突
}

function register(){
    if($("#loginUpButton").hasClass('new_login_submit_disable')){
        return;
    }
    if($login_correct && $mail_correct && $passwd_correct &&  $passwd_comfirm_correct && $("#read_and_confirm").attr("checked") == 'checked'){
        $("#main_reg_form").submit();
    }else{
        $('#user_login').blur();
        $('#user_mail').blur();
        $('#user_password').blur();
        $('#user_password_confirmation').blur();
    }
}