// 查询自定义结构
function queryStructure() {
    var name = $("#UserDefineStructure :selected").text();
    main.post("/UserDefinedStructure/QueryUserDefinedStructure", { structureName: name }).done(function (res) {
        if (res != null) {
            $("#StructureName").val(res.StructureName);
            $("#StructureCode").val(res.StructureCode);
            $("#PricingMethod").val(res.PricingMethod);

            $("#userDefinedFields").empty();
            var li = "";
            var selectId = "";
            for (var i = 0; i < res.Fields.length; ++i) {
                selectId = "fieldDefSelect" + res.Fields[i].FieldName;
                li = "";
                li += "<li><input type='text' style='width:35%' value='"
                li += res.Fields[i].FieldDisplayName;
                li += "'/><input type='text' style='width:35%' value='";
                li += res.Fields[i].FieldName;
                li += "'/><select id='";
                li += selectId;
                li += "' style='width:20%'><option value='Bool'>Bool</option><option value='Double'>Double</option><option value='String'>String</option><option value='Date'>Date</option></select>";
                li += "<a href='#' class='delete'><span class='glyphicon glyphicon-remove'></span></a>";
                li += "</li>";
                $("#userDefinedFields").append(li);                
                $("#" + selectId).get(0).selectedIndex = res.Fields[i].FieldType;
            }

            // 设置payoff源代码的显示
            $("#PayoffDescription").text(res.PayoffDescription);
            editor.getDoc().setValue(res.PayoffDescription);
            editor.refresh();

            $("#PriceDistribution").val(res.PriceDistribution);
            $(".delete").click(function () {
                $(this).parent().remove();
            });

            // 刷新“定价测试”区域的自定义字段
            refreshNewFieldInPricingTest(res.Fields);

            $("#StructureName").attr("disabled", true);
        }
    });
}

// 新建一个结构
function createStructure() {
    $("#StructureName").attr("disabled", false);
    $("#StructureName").val("");
    $("#StructureCode").val("");
    $("#PricingMethod").val("无");
    $("#userDefinedFields").empty();
    var sampleCode = "\
/// \n\
/// 预处理蒙特卡洛模拟的参数，以获得更高的模拟效率。\n\
/// 默认仅生成每一个观察日对应的时间序列\n\
/// \n\
/// valueDate: 估值日期\n\
/// r: 无风险利率\n\
public override float[] PrepareMC(Date valueDate, double r)\n\
{\n\
        return base.PrepareMC(valueDate, r);\n\
}\n\
\n\
/// \n\
/// 蒙特卡洛模拟中对单一价格路径的处理函数\n\
/// \n\
/// st: 价格序列\n\
/// r: 无风险利率\n\
public override float DiscountedPayoffForOnePath(float[] st, float r)\n\
{\n\
    return (float)0.0;\n\
}";
    editor.getDoc().setValue(sampleCode);
    editor.refresh();
}
    

// 结构定义新增字段
function addNewField() {
    var li = "<li><input type='text' style='width:35%'/><input type='text' style='width:35%'/>";
    li += "<select style='width:20%'><option value='Bool'>Bool</option><option value='Double'>Double</option><option value='String'>String</option><option value='Date'>Date</option></select>";
    li += "<a href='#' class='delete'><span class='glyphicon glyphicon-remove'></span></a></li>"
    $("#userDefinedFields").append(li);
    $(".delete").click(function () {
        $(this).parent().remove();
    });
}

// 从当前页面获取自定义结构信息
function getCurrentStructure() {
    var structure = {};
    structure.StructureName = $("#StructureName").val();
    structure.StructureCode = $("#StructureCode").val();
    structure.PricingMethod = $("#PricingMethod option:selected").val();
    structure.FieldDefinitions = getUserDefinedFields();
    structure.PayoffDescription = editor.getDoc().getValue();
    structure.PriceDistribution = $("#PriceDistribution option:selected").val();
    return structure;
}

// 保存自定义结构
function saveStructure() {
    var structure = getCurrentStructure();
    var saveNew = !$("#StructureName").prop("disabled");
    main.post("/UserDefinedStructure/SaveUserDefinedStructure", { req: structure, saveNew: saveNew }).done(function (res) {
        window.location.reload();
    });    
}

// 删除自定义结构
function deleteStructure() {
    var name = $("#StructureName").val();
    main.confirm("确认删除" + name + "吗？",
        function () {
            main.post("/UserDefinedStructure/DeleteStructureByName", { name: $("#StructureName").val() }).done(function (res) {
                window.location.reload();
            });            
        }
    );    
}

// 获取自定义字段列表
function getUserDefinedFields() {
    var fields = [];
    $("#userDefinedFields").find("li").each(function () {
        var field = {};
        field.FieldDisplayName = $(this).find("input").eq(0).val();
        field.FieldName = $(this).find("input").eq(1).val();
        field.FieldType = $(this).find("select").val();
        fields.push(field);
    });
    return JSON.stringify(fields);
}

// 在定价测试中刷新结构字段
function refreshFields() {
    //var name = $("#UserDefineStructure :selected").text();
    var name = $("#StructureName").val();
    main.post("/UserDefinedStructure/QueryUserDefinedStructure", { structureName: name }).done(function (res) {
        refreshNewFieldInPricingTest(res.Fields);
    });
}

// 在定价测试中刷新结构字段
function refreshNewFieldInPricingTest(fields) {
    $("#divTestOptionFields").empty();
    var html = "";
    var inputId = "";
    for (var i = 0; i < fields.length; ++i) {
        inputId = "Test" + fields[i].FieldName;
        html += "<div class='search-group'><label class='search-label'>";
        html += fields[i].FieldDisplayName;
        html += "</label>";
        if (fields[i].FieldType == 3) {
            html += "<input id='";
            html += inputId;
            html += "' class='search-input datepicker' type='text'></div>";
        } else if (fields[i].FieldType == 0) {
            html += "<select id='"
            html += inputId;
            html += "'><option value='true'>是</option><option value='false'>否</option></select></div>";
        } else {
            html += "<input id='";
            html += inputId;
            html += "' class='search-input' type='text'></div>";
        }
    }
    $("#divTestOptionFields").append(html);
    ResetDatePicker();
}

// 编译自定义的结构
function compileSourceCode() {
    var structure = getCurrentStructure();
    main.post("/UserDefinedStructure/CompileUserDefineSourceCode", { req: structure }).done(function (res) {
    });
}

// 试定价
function calcStructure() {
    var structure = getCurrentStructure();
    var request = {};
    request.req = structure;
    request.baseFieldStr = getBaseFieldsForPricingTest();
    request.customizedFieldStr = getCustomizedFieldsForPricingTest(structure.FieldDefinitions);
    request.valueDate = "2020-07-28";
    request.spot = 1;
    request.r = 0.05;
    request.q = 0.05;
    request.vol = 0.25;
    request.calcGreeks = $("#checkBoxCalcGreeks").is(":checked");
    main.post("/UserDefinedStructure/PricingTestUserDefineSourceCode", request).done(function (res) {
        $("#resultPv").text(isNaN(res.Pv) ? "0.00" : res.Pv.toFixed(2));
        $("#resultDelta").text(isNaN(res.Delta) ? "0.00" : res.Delta.toFixed(2));
        $("#resultGamma").text(isNaN(res.Gamma) ? "0.00" : res.Gamma.toFixed(2));
        $("#resultVega").text(isNaN(res.Vega) ? "0.00" : res.Vega.toFixed(2));
        $("#resultTheta").text(isNaN(res.Theta) ? "0.00" : res.Theta.toFixed(2));
        $("#resultRho").text(isNaN(res.Rho) ? "0.00" : res.Rho.toFixed(2));
    });
}

// 为试定价获取基础字段
function getBaseFieldsForPricingTest() {
    var fields = {};
    fields.StartDate = $("#TestStartDate").val();
    fields.MaturityDate = $("#TestMaturityDate").val();
    fields.ObservationDateStr = $("#setObservationDatesBtn").data("observationdates");
    return JSON.stringify(fields);
}

// 为试定价获取自定义字段
function getCustomizedFieldsForPricingTest(defStr) {
    var fields = [];
    var fieldDefs = JSON.parse(defStr);
    fieldDefs.forEach(function (val, i) {
        var field = {};
        field.Name = val.FieldName;
        field.Type = val.FieldType;
        field.Value = $("#Test" + val.FieldName).val();
        fields.push(field);
    });
    return JSON.stringify(fields);
}

// 发布结构
function publishStructure() {
    var structure = getCurrentStructure();
    main.post("/UserDefinedStructure/PublishUserDefinedStructure", { req: structure }).done(function (res) {
        window.location.reload();
    });    
}

// 设置观察日
function setObservationDates(thisobj, title1 = "", title2 = "", isTitle1Percent = false, isTitle2Percent = false, defaultTitle1Value = 0, defaultTitle2Value = 0) {
    var startTime = $("#TestStartDate").val();
    var endTime = $("#TestMaturityDate").val();
    if (main.isEmpty(startTime)) {
        main.message("请输入成交日期");
        return false;
    }
    if (main.isEmpty(endTime)) {
        main.message("请输入到期日期");
        return false;
    }
    var observationDates = $(thisobj).data("observationdates");
    var observationNum = $(thisobj).data("observationnum");
    var observationUnit = $(thisobj).data("observationunit");
    var observationHolidayType = $(thisobj).data("observationholidaytype");
    var alignEnd = true;
    var btnId = $(thisobj).attr('id');
    sessionStorage.setItem(btnId + "_observationdates", observationDates);
    layer.open({
        type: 2,
        title: "设置自定义观察日",
        shadeClose: false,
        shade: 0.4,
        area: ['500px', '560px'],
        content: "/trade/tradeObservationDates?observationNum=" + observationNum + "&observationUnit=" + observationUnit + "&observationHolidayType=" + observationHolidayType + "&startTime=" + startTime + "&endTime=" + endTime + "&alignEnd=" + alignEnd + "&btnId=" + btnId + "&title1=" + title1 + "&title2=" + title2 + "&isTitle1Percent=" + isTitle1Percent + "&isTitle2Percent=" + isTitle2Percent + "&defaultTitle1Value=" + defaultTitle1Value + "&defaultTitle2Value=" + defaultTitle2Value
    });
}

// 设置观察日窗口返回的函数
function getObservationDatesSetting(observationNum, observationUnit, observationHolidayType, observationDates, alignEnd, btnId) {
    $("#" + btnId).data("observationdates", observationDates);
    $("#" + btnId).data("observationnum", observationNum);
    $("#" + btnId).data("observationunit", observationUnit);
    $("#" + btnId).data("observationholidaytype", observationHolidayType);
    $("#" + btnId).data("alignend", alignEnd);
}

// 重置页面上所有日期控件
function ResetDatePicker() {
    $(".datepicker").datepicker({
        changeMonth: true,
        changeYear: true,
        showButtonPanel: true,
        showOtherMonths: true,
        selectOtherMonths: true
    });
};