var examinationPlanID;
var examinationRoomLayoutID;
var availableSeatCount;
var totalSeat;
var rowCount;
var columnCount;

$(function () {
    examinationPlanID = $.SystemGeneral.getUrlParam("ExaminationPlanID");
    examinationRoomLayoutID = $.SystemGeneral.getUrlParam("ExaminationRoomLayoutID");
});

function ExaminationPlan_ClassroomLayoutSave() {
//    if (!calculateSeatCount()) {
//        return;
//    }
//    var curStudentCount = $("#dgStudent").cmsXDataTable("getRows").length;
//    if (availableSeatCount < curStudentCount) {
//        $.messager.alert("系统提示", "教室只能容纳" + availableSeatCount + "人，目前选中了" + curStudentCount + "个学生，请先删除多出的学生后再保存。");
//        return;
//    } else {
//        $(document.forms[0]).submit();
    //    }
    $(document.forms[0]).submit();
}

function ExaminationPlan_TeacherAdd() {
    var classroomID = $("#ClassroomID").combogridX("getValue");
    if (classroomID == "" || classroomID == nonSelect) {
        $.messager.alert("系统提示", "请先选择考场再选择监考老师。");
        return;
    }
    $.popupTopWindow('新增监考老师', CMS_SystemConfig.VirtualDirectoryPath + '/ExaminationTeacher/ExaminationTeacherSelect?ExaminationPlanID=' + examinationPlanID + '&ClassroomID=' + classroomID, 800, 600, ExaminationPlan_TeacherAdd_Confirm);
}

function ExaminationPlan_TeacherAdd_Confirm(teacherList) {
    if (!teacherList) return;
    var examinationTeacherList = $("#dgRoomTeacher").cmsXDataTable("getRows");
    $.each(teacherList, function () {
        var curUserID = this.UserID;
        if ($.grep(examinationTeacherList, function (x) { return x.UserID == curUserID }).length == 0) {
            examinationTeacherList.push(this);
        }
    });
    $("#dgRoomTeacher").cmsXDataTable("loadData", { rows: examinationTeacherList, total: examinationTeacherList.length });
}
//获取选中的数据
function validChooseTeacher() {
    var d = [];
    $.each($("#dgRoomTeacher").cmsXDataTable("getSelections"), function (index) {
        d.push(this.UserID);
    });
    return d;
}
function validChooseStudent() {
    var d = [];
    $.each($("#dgStudent").cmsXDataTable("getSelections"), function (index) {
        d.push(this.UserID);
    });
    return d;
}

function ExaminationPlan_TeacherDelete() {
    var d = validChooseTeacher();

    var teacherViewList = $("#dgRoomTeacher").cmsXDataTable("getRows");
    var i, j;
    var len = teacherViewList.length;
    for (i = len - 1; i >= 0; i--) {
        for (j = 0; j < d.length; j++) {
            if (teacherViewList[i].UserID == d[j]) {
                teacherViewList.splice(i, 1);
                break;
            }
        }
    }
    $("#dgRoomTeacher").cmsXDataTable("loadData", { rows: teacherViewList, total: teacherViewList.length });
}

function ClassroomSelected(data) {
    totalSeat = data.Totalseating;
    rowCount = data.RowCout;
    columnCount = data.ColumnCount;
    availableSeatCount = data.RemainSeatCount;
}

function Classroom_LoadSuccess(data) {
    var classroomID = $("#ClassroomID").combogridX("options").value;
    var curClassroom = $.grep(data.rows, function (x) { return x.ClassroomID == classroomID; });
    if (curClassroom.length > 0) {
        ClassroomSelected(curClassroom[0]);
    }
}

function calculateSeatCount() {
    if (!$(document.forms[0]).valid()) return false;
    if (!rowCount || !columnCount) {
        $.messager.alert("系统提示", "选中的教室还没有设置正确的行列数，请通知负责教室管理的老师进行设置。");
        return false;
    }
    var rowSpacing = parseFloat($("input[name='RowSpacing']").val());
    var columnSpacing = parseFloat($("input[name='ColumnSpacing']").val());

    //availableSeatCount = Math.ceil(columnCount / (columnSpacing + 1)) * Math.ceil(rowCount / (rowSpacing + 1));
//    availableSeatCount = 0;
//    if (rowSpacing > 0) {
//        availableSeatCount = Math.ceil(columnCount / (columnSpacing + 1));
//        for (var i = 0; i < Math.floor(rowCount / (rowSpacing + 1)); i++) {
//            for (var j = 0; j < (rowSpacing + 1); j++) {
//                if (i * 2 * rowSpacing + j + 1 > rowCount) break;
//                if (j < rowSpacing)
//                    availableSeatCount += Math.ceil((columnCount - j - 1) / (columnSpacing + 1))
//                else
//                    availableSeatCount += Math.ceil((columnCount - (rowSpacing * 2 - j - 1)) / (columnSpacing + 1))
//            }
//        }
//    } else {
//        availableSeatCount = Math.ceil(columnCount / (columnSpacing + 1)) * rowCount;
//    }
    return true;
}

function ExaminationPlan_StudentAdd() {
    if (!calculateSeatCount()) {
        return;
    }
    var curStudentCount = $("#dgStudent").cmsXDataTable("getRows").length;
    var studentOrderType = $("#StudentOrderType").combobox('getValue');

    $.popupTopWindow('添加学生', CMS_SystemConfig.VirtualDirectoryPath + '/ExaminationPlan/StudentSelect', 800, 600, ExaminationPlan_StudentAdd_Confirm, { limit: availableSeatCount - curStudentCount, studentOrderType: studentOrderType, examinationPlanID: examinationPlanID });
}
function ExaminationPlan_StudentAdd_Confirm(studentList) {
    if (!studentList) return;
    var studentOrderType = $("#StudentOrderType").combobox('getValue');
    var studentViewList = $("#dgStudent").cmsXDataTable("getRows");
    var addedStudentViewList = $.map(
        $.grep(studentList, function (x) { return $.grep(studentViewList, function (y) { return y.UserID == x.UserID; }).length == 0; }),
        function (x) {
            return {
                ExaminationRoomStudentID: Guid.NewGuid().ToString(),
                ExaminationRoomLayoutID: examinationRoomLayoutID,
                UserID: x.UserID,
                LoginID: x.LoginID,
                Name: x.UserName,
                Row: null,
                Column: null,
                Remark: '',
                RecordStatus: null,
                CreateTime: null,
                CreateUserID: null,
                ModifyUserID: null,
                ModifyTime: null
            };
        });

    var addedStudentIDs = $.map(addedStudentViewList, function (x) { return x.UserID; }).join(',');
    $.postWithLoading(CMS_SystemConfig.VirtualDirectoryPath + '/ExaminationPlan/CheckStudentSchedule',
        { examinationPlanID: examinationPlanID, studentUserIDs: addedStudentIDs }, 
        function (data) {
            if (data.IsSuccess) {
                var newStudentViewList = addedStudentViewList.concat(
                    studentViewList
                ).sort(function (a, b) {
                    if (studentOrderType == "2") {
                        return a.LoginID - b.LoginID;
                    } else {
                        return 1;
                    }
                });

                $("#dgStudent").cmsXDataTable("loadData", { rows: newStudentViewList, total: newStudentViewList.length });
            } else {
                $.messager.alert("系统提示", data.Message);
            }
        });
}

function ExaminationPlan_StudentDelete() {
    var d = validChooseStudent();

    var studentViewList = $("#dgStudent").cmsXDataTable("getRows");
    var i, j;
    var len = studentViewList.length;
    for (i = len - 1; i >= 0; i--) {
        for (j = 0; j < d.length; j++) {
            if (studentViewList[i].UserID == d[j]) {
                studentViewList.splice(i, 1);
                break;
            }
        }
    }
    $("#dgStudent").cmsXDataTable("loadData", { rows: studentViewList, total: studentViewList.length });
}