//返回时间个性化文本
function FRIENDLYTIMEFunction() {
    this.name = 'FRIENDLYTIME';
    this.maxArgs = 1;
    this.minArgs = 1;
}
FRIENDLYTIMEFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
FRIENDLYTIMEFunction.prototype.evaluate = function () {
    var timeStr = arguments[0];
    // 将时间字符串转换为 Date 类型
    let dateTime;
    if (/^\d+$/.test(timeStr)) {
        // 如果是时间戳
        if (timeStr.length === 10) {
            dateTime = new Date(timeStr * 1000); // 10位时间戳
        } else if (timeStr.length === 13) {
            dateTime = new Date(timeStr); // 13位时间戳
        } else {
            return timeStr; // 时间戳格式错误
        }
    } else {
        dateTime = new Date(timeStr);
    }

    if (!dateTime || isNaN(dateTime.getTime())) {
        return timeStr; // 如果时间字符串无效，则直接返回
    }

    // 计算当前时间与入参时间的时间差
    const now = new Date();
    const diff = now.getTime() - dateTime.getTime();

    // 根据时间差计算出更友好的显示文本
    let result;
    if (diff < 0) {
        // 未来时间
        result = "未来时间";
    } else if (diff < 60 * 5000) {
        // 一分钟内
        result = "刚刚";
    } else if (diff < 60 * 60 * 1000) {
        // 一小时内
        const minutes = Math.floor(diff / (60 * 1000));
        result = `${minutes}分钟前`;
    } else if (diff < 24 * 60 * 60 * 1000) {
        // 一天内
        const hours = Math.floor(diff / (60 * 60 * 1000));
        result = `${hours}小时前`;
    } else if (diff < 7 * 24 * 60 * 60 * 1000) {
        // 一周内
        const day = dateTime.getDay();
        const weekDays = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"];
        result = `${weekDays[day]} ${dateTime.toLocaleTimeString()}`;
    } else {
        // 一周之前
        result = dateTime.toLocaleString();
    }
    return result;
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("FRIENDLYTIME", new FRIENDLYTIMEFunction());


//提取模板字符串
function GETTEMPLATEFunction() {
    this.name = 'GETTEMPLATE';
    this.maxArgs = 99;
    this.minArgs = 1;
}
GETTEMPLATEFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
GETTEMPLATEFunction.prototype.evaluate = function () {
    const regex = /{{(.*?)}}/g;
    const tempResults = [];
    for (let leng = 0; leng < arguments.length; leng++) {
        const str = arguments[leng];
        while ((match = regex.exec(str)) !== null) {
            tempResults.push(match[1]);
        }
    }
    return tempResults.join(",");

}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("GETTEMPLATE", new GETTEMPLATEFunction());



//转换数值到中文大写金额
function ToChineseCurrencyFunction() {
    this.name = 'ToChineseCurrency';
    this.maxArgs = 1;
    this.minArgs = 1;
}
ToChineseCurrencyFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
ToChineseCurrencyFunction.prototype.evaluate = function () {
    var num = parseFloat(arguments[0]);
    const fraction = ['角', '分'];
    const digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
    const unit = [['元', '万', '亿'], ['', '拾', '佰', '仟']];
    let head = num < 0 ? '欠' : '';
    num = Math.abs(num).toFixed(2);
    let s = '';
    for (let i = 0; i < fraction.length; i++) {
        s += (digit[Math.floor(num * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
    }

    if (s === '') {
        s = '整';
    }
    num = Math.floor(num);
    for (let i = 0; i < unit[0].length && num > 0; i++) {
        let p = '';
        for (let j = 0; j < unit[1].length && num > 0; j++) {
            p = digit[num % 10] + unit[1][j] + p;
            num = Math.floor(num / 10);
        }
        s = p + unit[0][i] + s;
    }
    return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("ToChineseCurrency", new ToChineseCurrencyFunction());



//获取JSON属性值
function GetJsonValueFunction() {
    this.name = 'GetJsonValue';
    this.maxArgs = 2;
    this.minArgs = 2;
}
GetJsonValueFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
GetJsonValueFunction.prototype.evaluate = function () {
    var jsonstr = arguments[0];
    var keyname = arguments[1];
    var json = {};
    // 如果参数是字符串，则将其转换为JSON对象
    if (typeof jsonstr === 'string') {
        json = JSON.parse(json);
    }

    // 访问指定属性值
    return json[keyname];
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("GetJsonValue", new GetJsonValueFunction());


//计算税额
function CalculateFunction() {
    this.name = 'Calculate';
    this.minArgs = 2;
    this.maxArgs = 4;
}
CalculateFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
CalculateFunction.prototype.evaluate = function () {
    var Amount = arguments[0];//开票金额
    var TaxRate = arguments[1];//税率
    var DiscountAmount = arguments[2] || 0;//折扣金额
    var IsTaxIncluded = Boolean(arguments[3]);//是否含税

    var totalTaxAmount; //税额
    var noTaxAmount; //未税金额
    var totalAmount; //价税合计

    function run(amount, taxrate, istaxincluded) {
        var totalTaxAmount; //税额
        var noTaxAmount; //未税金额
        var totalAmount; //价税合计

        if (istaxincluded) {
            noTaxAmount = amount / (1 + taxrate);
            totalTaxAmount = amount - noTaxAmount;
            totalAmount = amount;
        } else {
            noTaxAmount = amount;
            totalTaxAmount = amount * taxrate;
            totalAmount = amount + totalTaxAmount;
        }

        return [noTaxAmount.toFixed(2), totalTaxAmount.toFixed(2), totalAmount.toFixed(2)]
    }

    var result_A = run(Amount, TaxRate, IsTaxIncluded);
    var result_B = run(DiscountAmount, TaxRate, IsTaxIncluded);

    var result = {
        "未税金额": result_A[0] - result_B[0],
        "税额": result_A[1] - result_B[1],
        "价税合计": result_A[2] - result_B[2],
    };
    console.log(result);
    return result;
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("Calculate", new CalculateFunction());



//获取页面所有有效单元格的值，并组成JSON
function CELLSVALUEFunction() {
    //参数一：是否返回文本，参数二：指定表名，参数三：是否返回数组
    this.name = 'CELLSVALUE';
    this.maxArgs = 3;
    this.minArgs = 1;
}
CELLSVALUEFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
CELLSVALUEFunction.prototype.evaluate = function () {

    try {
        //var page = Forguncy.Page._elements._cells[0];
        var subPageInfos = Forguncy.Page._elements._cells[0]._cellType.subPageInfos;
        if (!subPageInfos) return null
        var obj = {};
        subPageInfos.forEach(el => {
            el.childrens.forEach(child => {
                if (child.bindingInfo) {
                    if (arguments.length == 1 || arguments[1] == "" || child.bindingInfo.TableName == arguments[1]) {
                        obj[child.bindingInfo.ColumnName] = child._value;
                    }
                }

            })
        })
        if (arguments[2]) {
            return [obj];
        } else {
            return arguments[0] ? JSON.stringify(obj) : obj;
        }

    } catch (err) {
        return err
    }
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("CELLSVALUE", new CELLSVALUEFunction());



//检测字符串是否在对象里面,参数说明:数据,字段名,查找值
function TEXTINOBJFunction() {
    this.name = 'TEXTINOBJ';
    this.maxArgs = 3;
    this.minArgs = 3;
}
TEXTINOBJFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
TEXTINOBJFunction.prototype.evaluate = function () {
    return JSON.parse(arguments[0]).filter((item) => { return item[arguments[1]] == arguments[2] }).length;
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("TEXTINOBJ", new TEXTINOBJFunction());


//检测字符串是否在里面,逗号分割文本,查找值
function INARRAYFunction() {
    this.name = 'INARRAY';
    this.maxArgs = 2;
    this.minArgs = 2;
}
INARRAYFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
INARRAYFunction.prototype.evaluate = function () {
    return arguments[0].split(',').indexOf(arguments[1]) != -1 ? 1 : 0;
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("INARRAY", new INARRAYFunction());


// 获取当前页面网址
function GETBASEURLFunction() {
    this.name = 'GETBASEURL';
    this.maxArgs = 1;
    this.minArgs = 0;
}
GETBASEURLFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
GETBASEURLFunction.prototype.evaluate = function () {
    if (arguments[0]) {
        return location[arguments[0]]
    } else {
        return location.href
    }

}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("GETBASEURL", new GETBASEURLFunction());


//合并数组
function MERGEARRAYFunction() {
    this.name = 'MERGEARRAY';
    this.maxArgs = 99;
    this.minArgs = 1;
}
MERGEARRAYFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
MERGEARRAYFunction.prototype.evaluate = function () {
    function merge(total, item) {
        return item != null ? total.concat(item) : total
    }
    return Array.from(new Set(new Array(...arguments).reduce(merge, [])))
}

GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("MERGEARRAY", new MERGEARRAYFunction());

// 分拆文本为数组
function SPLITTOARRAYFunction() {
    this.name = 'SPLITTOARRAY';
    this.maxArgs = 2;
    this.minArgs = 2;
}
SPLITTOARRAYFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
SPLITTOARRAYFunction.prototype.evaluate = function () {
    var str = arguments[0]
    var q = arguments[1]
    return str.split(q)
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("SPLITTOARRAY", new SPLITTOARRAYFunction());


//合并分割文本并去重
function unique(arr) {
    return Array.from(new Set(arr))
}
function ARRYJOINFunction() {
    this.name = 'ARRYJOIN';
    this.maxArgs = 99;
    this.minArgs = 1;
}
ARRYJOINFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
ARRYJOINFunction.prototype.evaluate = function (args) {
    var newArray = [];
    for (let index = 0; index < arguments.length; index++) {
        newArray.push(arguments[index])
    }

    var text = unique(newArray.join().split(",")).join()
    return text
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("ARRYJOIN", new ARRYJOINFunction());

//获取分割后字符串数量
function SPLITCONTAFunction() {
    this.name = 'SPLITCONTA';
    this.maxArgs = 99;
    this.minArgs = 1;
}
SPLITCONTAFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
SPLITCONTAFunction.prototype.evaluate = function () {
    var length_element = 0
    for (let leng = 0; leng < arguments.length; leng++) {
        const element = arguments[leng];
        if (element != null) {
            length_element += element.split(",").length;
        }


    }
    return length_element;
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("SPLITCONTA", new SPLITCONTAFunction());

//生成二维码图片
function QRFunction() {
    this.name = 'QR';
    this.maxArgs = 3;
    this.minArgs = 1;
}
QRFunction.prototype = new GC.Spread.CalcEngine.Functions.Function();
QRFunction.prototype.evaluate = function () {
    if (arguments[0]) {
        var qr = new QRious();
        qr.background = 'white';
        qr.backgroundAlpha = 1.0;
        qr.foreground = 'black';
        qr.foregroundAlpha = 1;
        qr.level = 'L';
        qr.padding = arguments[2] ?? null;
        qr.size = arguments[1] ?? 200;
        qr.value = arguments[0];
        qr.mime = "image/png";
        return qr.toDataURL();
    } else {
        return null;
    }
}
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("QR", new QRFunction());