/*
 Input Mask plugin extensions
 http://github.com/RobinHerbots/jquery.inputmask
 Copyright (c) Robin Herbots
 Licensed under the MIT license
 */
import Inputmask from "../inputmask";
import keyCode from "../keycode.json";
import escapeRegex from "../escapeRegex";
import {seekNext} from "../positioning";

const $ = Inputmask.dependencyLib;

function autoEscape(txt, opts) {
    var escapedTxt = "";
    for (var i = 0; i < txt.length; i++) {
        if (Inputmask.prototype.definitions[txt.charAt(i)] ||
            opts.definitions[txt.charAt(i)] ||
            opts.optionalmarker[0] === txt.charAt(i) ||
            opts.optionalmarker[1] === txt.charAt(i) ||
            opts.quantifiermarker[0] === txt.charAt(i) ||
            opts.quantifiermarker[1] === txt.charAt(i) ||
            opts.groupmarker[0] === txt.charAt(i) ||
            opts.groupmarker[1] === txt.charAt(i) ||
            opts.alternatormarker === txt.charAt(i)) {
            escapedTxt += "\\" + txt.charAt(i);
        } else {
            escapedTxt += txt.charAt(i);
        }
    }
    return escapedTxt;
}

function alignDigits(buffer, digits, opts, force) {
    if (buffer.length > 0 && digits > 0 && (!opts.digitsOptional || force)) {
        var radixPosition = buffer.indexOf(opts.radixPoint), negationBack = false;
        if (opts.negationSymbol.back === buffer[buffer.length - 1]) {
            negationBack = true;
            buffer.length--;
        }

        if (radixPosition === -1) {
            buffer.push(opts.radixPoint);
            radixPosition = buffer.length - 1;
        }
        for (var i = 1; i <= digits; i++) {
            if (!isFinite(buffer[radixPosition + i])) {
                buffer[radixPosition + i] = "0";
            }
        }
    }

    if (negationBack)
        buffer.push(opts.negationSymbol.back);
    return buffer;
}

function findValidator(symbol, maskset) {
    var posNdx = 0;
    if (symbol === "+") {
        for (posNdx in maskset.validPositions) ;
        posNdx = seekNext.call(this, parseInt(posNdx));
    }
    for (var tstNdx in maskset.tests) {
        tstNdx = parseInt(tstNdx);
        if (tstNdx >= posNdx) {
            for (var ndx = 0, ndxl = maskset.tests[tstNdx].length; ndx < ndxl; ndx++) {
                if ((maskset.validPositions[tstNdx] === undefined || symbol === "-") && maskset.tests[tstNdx][ndx].match.def === symbol) {
                    return tstNdx + ((maskset.validPositions[tstNdx] !== undefined && symbol !== "-") ? 1 : 0);
                }
            }
        }
    }
    return posNdx;
}

function findValid(symbol, maskset) {
    var ret = -1;
    for (let ndx in maskset.validPositions) {
        let tst = maskset.validPositions[ndx];
        if (tst && tst.match.def === symbol) {
            ret = parseInt(ndx);
            break;
        }
    }
    return ret;
}

function parseMinMaxOptions(opts) {
    if (opts.parseMinMaxOptions === undefined) {
        // convert min and max options
        if (opts.min !== null) {
            opts.min = opts.min.toString().replace(new RegExp(escapeRegex(opts.groupSeparator), "g"), "");
            if (opts.radixPoint === ",") opts.min = opts.min.replace(opts.radixPoint, ".");
            opts.min = isFinite(opts.min) ? parseFloat(opts.min) : NaN;
            if (isNaN(opts.min)) opts.min = Number.MIN_VALUE;
        }
        if (opts.max !== null) {
            opts.max = opts.max.toString().replace(new RegExp(escapeRegex(opts.groupSeparator), "g"), "");
            if (opts.radixPoint === ",") opts.max = opts.max.replace(opts.radixPoint, ".");
            opts.max = isFinite(opts.max) ? parseFloat(opts.max) : NaN;
            if (isNaN(opts.max)) opts.max = Number.MAX_VALUE;
        }
        opts.parseMinMaxOptions = "done";
    }
}

function genMask(opts) {
    opts.repeat = 0;
    //treat equal separator and radixpoint
    if (opts.groupSeparator === opts.radixPoint && opts.digits && opts.digits !== "0") {
        if (opts.radixPoint === ".") {
            opts.groupSeparator = ",";
        } else if (opts.radixPoint === ",") {
            opts.groupSeparator = ".";
        } else {
            opts.groupSeparator = "";
        }
    }
    //prevent conflict with default skipOptionalPartCharacter
    if (opts.groupSeparator === " ") {
        opts.skipOptionalPartCharacter = undefined;
    }

    //enforce placeholder to single
    if (opts.placeholder.length > 1) {
        opts.placeholder = opts.placeholder.charAt(0);
    }
    //only allow radixfocus when placeholder = 0
    if (opts.positionCaretOnClick === "radixFocus" && opts.placeholder === "") {
        opts.positionCaretOnClick = "lvp";
    }

    var decimalDef = "0", radixPointDef = opts.radixPoint;
    if (opts.numericInput === true && opts.__financeInput === undefined) { //finance people input style
        decimalDef = "1";
        opts.positionCaretOnClick = opts.positionCaretOnClick === "radixFocus" ? "lvp" : opts.positionCaretOnClick;
        opts.digitsOptional = false;
        if (isNaN(opts.digits)) opts.digits = 2;
        opts._radixDance = false;
        radixPointDef = (opts.radixPoint === "," ? "?" : "!");
        if (opts.radixPoint !== "" && opts.definitions[radixPointDef] === undefined) {
            //update separator definition
            opts.definitions[radixPointDef] = {};
            opts.definitions[radixPointDef].validator = "[" + opts.radixPoint + "]";
            opts.definitions[radixPointDef].placeholder = opts.radixPoint;
            opts.definitions[radixPointDef].static = true;
            opts.definitions[radixPointDef].generated = true; //forced marker as generated input
        }
    } else {
        opts.__financeInput = false; //needed to keep original selection when remasking
        opts.numericInput = true;
    }

    var mask = "[+]", altMask;
    mask += autoEscape(opts.prefix, opts);
    if (opts.groupSeparator !== "") {
        if (opts.definitions[opts.groupSeparator] === undefined) {
            //update separatot definition
            opts.definitions[opts.groupSeparator] = {};
            opts.definitions[opts.groupSeparator].validator = "[" + opts.groupSeparator + "]";
            opts.definitions[opts.groupSeparator].placeholder = opts.groupSeparator;
            opts.definitions[opts.groupSeparator].static = true;
            opts.definitions[opts.groupSeparator].generated = true; //forced marker as generated input
        }
        mask += opts._mask(opts);
    } else {
        mask += "9{+}";
    }
    if (opts.digits !== undefined && opts.digits !== 0) {
        var dq = opts.digits.toString().split(",");
        if (isFinite(dq[0]) && dq[1] && isFinite(dq[1])) {
            mask += radixPointDef + decimalDef + "{" + opts.digits + "}";
        } else if (isNaN(opts.digits) || parseInt(opts.digits) > 0) {
            if (opts.digitsOptional || opts.jitMasking) {
                altMask = mask + radixPointDef + decimalDef + "{0," + opts.digits + "}";
                // mask += "[" + opts.radixPoint + "]";
                opts.keepStatic = true;
            } else {
                mask += radixPointDef + decimalDef + "{" + opts.digits + "}";
            }
        }
    } else {
        opts.inputmode = "numeric";
    }
    mask += autoEscape(opts.suffix, opts);
    mask += "[-]";

    if (altMask) {
        mask = [(altMask + autoEscape(opts.suffix, opts) + "[-]"), mask];
    }


    opts.greedy = false; //enforce greedy false

    parseMinMaxOptions(opts);
    if (opts.radixPoint !== "")
        opts.substitutes[opts.radixPoint == "." ? "," : "."] = opts.radixPoint;
    // console.log(mask);
    return mask;
}

function hanndleRadixDance(pos, c, radixPos, maskset, opts) {
    if (opts._radixDance && opts.numericInput && c !== opts.negationSymbol.back) {
        if (pos <= radixPos && (radixPos > 0 || c == opts.radixPoint) && (maskset.validPositions[pos - 1] === undefined || maskset.validPositions[pos - 1].input !== opts.negationSymbol.back)) {
            pos -= 1;
        }
    }
    return pos;
}

function decimalValidator(chrs, maskset, pos, strict, opts) {
    var radixPos = maskset.buffer ? maskset.buffer.indexOf(opts.radixPoint) : -1,
        result = (radixPos !== -1 || (strict && opts.jitMasking)) && new RegExp(opts.definitions["9"].validator).test(chrs);
    if (opts._radixDance && radixPos !== -1 && result && maskset.validPositions[radixPos] == undefined) {
        return {
            insert: {
                pos: radixPos === pos ? radixPos + 1 : radixPos,
                c: opts.radixPoint
            },
            pos: pos
        };
    }

    return result;
}

function checkForLeadingZeroes(buffer, opts) {
    //check leading zeros
    var numberMatches = new RegExp("(^" + (opts.negationSymbol.front !== "" ? escapeRegex(opts.negationSymbol.front) + "?" : "") + escapeRegex(opts.prefix) + ")(.*)(" + escapeRegex(opts.suffix) + (opts.negationSymbol.back != "" ? escapeRegex(opts.negationSymbol.back) + "?" : "") + "$)").exec(buffer.slice().reverse().join("")),
        number = numberMatches ? numberMatches[2] : "", leadingzeroes = false;
    if (number) {
        number = number.split(opts.radixPoint.charAt(0))[0];
        leadingzeroes = new RegExp("^[0" + opts.groupSeparator + "]*").exec(number);
    }
    return leadingzeroes && (leadingzeroes[0].length > 1 || leadingzeroes[0].length > 0 && leadingzeroes[0].length < number.length) ? leadingzeroes : false;
}

//number aliases
Inputmask.extendAliases({
    "numeric": {
        mask: genMask,
        _mask: function (opts) {
            return "(" + opts.groupSeparator + "999){+|1}";
        },
        digits: "*", //number of fractionalDigits
        digitsOptional: true,
        enforceDigitsOnBlur: false,
        radixPoint: ".",
        positionCaretOnClick: "radixFocus",
        _radixDance: true,
        groupSeparator: "",
        allowMinus: true,
        negationSymbol: {
            front: "-", //"("
            back: "" //")"
        },
        prefix: "",
        suffix: "",
        min: null, //minimum value
        max: null, //maximum value
        SetMaxOnOverflow: false,
        step: 1,
        inputType: "text", //number ~ specify that values which are set are in textform (radix point  is same as in the options) or in numberform (radixpoint = .)
        unmaskAsNumber: false,
        roundingFN: Math.round, //Math.floor ,  fn(x)
        inputmode: "decimal",
        shortcuts: {k: "1000", m: "1000000"},
        //global options
        placeholder: "0",
        greedy: false,
        rightAlign: true,
        insertMode: true,
        autoUnmask: false,
        skipOptionalPartCharacter: "",
        usePrototypeDefinitions: false,
        stripLeadingZeroes: true,
        definitions: {
            "0": {
                validator: decimalValidator
            },
            "1": {
                validator: decimalValidator,
                definitionSymbol: "9"
            },
            "9": { //\uFF11-\uFF19 #1606
                validator: "[0-9\uFF10-\uFF19\u0660-\u0669\u06F0-\u06F9]",
                definitionSymbol: "*"
            },
            "+": {
                validator: function (chrs, maskset, pos, strict, opts) {
                    return (opts.allowMinus && (chrs === "-" || chrs === opts.negationSymbol.front));

                }
            },
            "-": {
                validator: function (chrs, maskset, pos, strict, opts) {
                    return (opts.allowMinus && chrs === opts.negationSymbol.back);
                }
            }
        },
        preValidation: function (buffer, pos, c, isSelection, opts, maskset, caretPos, strict) {
            const inputmask = this;

            if (opts.__financeInput !== false && c === opts.radixPoint) return false;
            var radixPos = buffer.indexOf(opts.radixPoint), initPos = pos;
            pos = hanndleRadixDance(pos, c, radixPos, maskset, opts);
            if (c === "-" || c === opts.negationSymbol.front) {
                if (opts.allowMinus !== true) return false;
                var isNegative = false,
                    front = findValid("+", maskset), back = findValid("-", maskset);
                if (front !== -1) {
                    isNegative = [front, back];
                }

                return isNegative !== false ? {
                    remove: isNegative,
                    caret: initPos - opts.negationSymbol.back.length
                } : {
                    insert: [
                        {
                            pos: findValidator.call(inputmask, "+", maskset),
                            c: opts.negationSymbol.front,
                            fromIsValid: true
                        },
                        {
                            pos: findValidator.call(inputmask, "-", maskset),
                            c: opts.negationSymbol.back,
                            fromIsValid: undefined
                        }],
                    caret: initPos + opts.negationSymbol.back.length
                };
            }

            if (c === opts.groupSeparator) {
                return {caret: initPos};
            }

            if (strict) return true;
            if (radixPos !== -1 && (opts._radixDance === true && isSelection === false && c === opts.radixPoint && (opts.digits !== undefined && (isNaN(opts.digits) || parseInt(opts.digits) > 0)) && radixPos !== pos)) {
                return {
                    "caret": opts._radixDance && pos === radixPos - 1 ? radixPos + 1 : radixPos
                };
            }
            if (opts.__financeInput === false) {
                if (isSelection) {
                    if (opts.digitsOptional) {
                        return {rewritePosition: caretPos.end};
                    } else if (!opts.digitsOptional) {
                        if (caretPos.begin > radixPos && caretPos.end <= radixPos) {
                            if (c === opts.radixPoint) {
                                return {
                                    insert: {pos: radixPos + 1, c: "0", fromIsValid: true},
                                    rewritePosition: radixPos
                                };
                            } else {
                                return {rewritePosition: radixPos + 1};
                            }
                        } else if (caretPos.begin < radixPos) {
                            return {rewritePosition: caretPos.begin - 1};
                        }
                    }
                } else if (!opts.showMaskOnHover && !opts.showMaskOnFocus && !opts.digitsOptional && opts.digits > 0 && this.__valueGet.call(this.el) === "") {
                    return {rewritePosition: radixPos};
                }
            }
            return {rewritePosition: pos};
        },
        postValidation: function (buffer, pos, c, currentResult, opts, maskset, strict) {
            if (currentResult === false) return currentResult;
            if (strict) return true;
            if (opts.min !== null || opts.max !== null) {
                var unmasked = opts.onUnMask(buffer.slice().reverse().join(""), undefined, $.extend({}, opts, {
                    unmaskAsNumber: true
                }));
                if (opts.min !== null && unmasked < opts.min && (unmasked.toString().length > opts.min.toString().length || unmasked < 0)) {
                    return false;
                    // return {
                    // 	refreshFromBuffer: true,
                    // 	buffer: alignDigits(opts.min.toString().replace(".", opts.radixPoint).split(""), opts.digits, opts).reverse()
                    // };
                }

                if (opts.max !== null && unmasked > opts.max) {
                    return opts.SetMaxOnOverflow ? {
                        refreshFromBuffer: true,
                        buffer: alignDigits(opts.max.toString().replace(".", opts.radixPoint).split(""), opts.digits, opts).reverse()
                    } : false;
                }
            }

            return currentResult;
        },
        onUnMask: function (maskedValue, unmaskedValue, opts) {
            if (unmaskedValue === "" && opts.nullable === true) {
                return unmaskedValue;
            }
            var processValue = maskedValue.replace(opts.prefix, "");
            processValue = processValue.replace(opts.suffix, "");
            processValue = processValue.replace(new RegExp(escapeRegex(opts.groupSeparator), "g"), "");
            if (opts.placeholder.charAt(0) !== "") {
                processValue = processValue.replace(new RegExp(opts.placeholder.charAt(0), "g"), "0");
            }
            if (opts.unmaskAsNumber) {
                if (opts.radixPoint !== "" && processValue.indexOf(opts.radixPoint) !== -1) processValue = processValue.replace(escapeRegex.call(this, opts.radixPoint), ".");
                processValue = processValue.replace(new RegExp("^" + escapeRegex(opts.negationSymbol.front)), "-");
                processValue = processValue.replace(new RegExp(escapeRegex(opts.negationSymbol.back) + "$"), "");
                return Number(processValue);
            }
            return processValue;
        }
        ,
        isComplete: function (buffer, opts) {
            var maskedValue = (opts.numericInput ? buffer.slice().reverse() : buffer).join("");
            maskedValue = maskedValue.replace(new RegExp("^" + escapeRegex(opts.negationSymbol.front)), "-");
            maskedValue = maskedValue.replace(new RegExp(escapeRegex(opts.negationSymbol.back) + "$"), "");
            maskedValue = maskedValue.replace(opts.prefix, "");
            maskedValue = maskedValue.replace(opts.suffix, "");
            maskedValue = maskedValue.replace(new RegExp(escapeRegex(opts.groupSeparator) + "([0-9]{3})", "g"), "$1");
            if (opts.radixPoint === ",") maskedValue = maskedValue.replace(escapeRegex(opts.radixPoint), ".");
            return isFinite(maskedValue);
        },
        onBeforeMask: function (initialValue, opts) {
            var radixPoint = opts.radixPoint || ",";
            if (isFinite(opts.digits)) opts.digits = parseInt(opts.digits);

            if ((typeof initialValue == "number" || opts.inputType === "number") && radixPoint !== "") {
                initialValue = initialValue.toString().replace(".", radixPoint);
            }
            var isNagtive = initialValue.charAt(0) === "-" || initialValue.charAt(0) === opts.negationSymbol.front;
            var valueParts = initialValue.split(radixPoint),
                integerPart = valueParts[0].replace(/[^\-0-9]/g, ""),
                decimalPart = valueParts.length > 1 ? valueParts[1].replace(/[^0-9]/g, "") : "",
                forceDigits = valueParts.length > 1;

            initialValue = integerPart + (decimalPart !== "" ? radixPoint + decimalPart : decimalPart);

            var digits = 0;
            if (radixPoint !== "") {
                digits = !opts.digitsOptional ? opts.digits : (opts.digits < decimalPart.length ? opts.digits : decimalPart.length);
                if (decimalPart !== "" || !opts.digitsOptional) {
                    var digitsFactor = Math.pow(10, digits || 1);

                    //make the initialValue a valid javascript number for the parsefloat
                    initialValue = initialValue.replace(escapeRegex(radixPoint), ".");
                    if (!isNaN(parseFloat(initialValue))) {
                        initialValue = (opts.roundingFN(parseFloat(initialValue) * digitsFactor) / digitsFactor).toFixed(digits);
                    }
                    initialValue = initialValue.toString().replace(".", radixPoint);
                }
            }
            //this needs to be in a separate part and not directly in decimalPart to allow rounding
            if (opts.digits === 0 && initialValue.indexOf(radixPoint) !== -1) {
                initialValue = initialValue.substring(0, initialValue.indexOf(radixPoint));
            }

            if (opts.min !== null || opts.max !== null) {
                var numberValue = initialValue.toString().replace(radixPoint, ".");
                if (opts.min !== null && numberValue < opts.min) {
                    initialValue = opts.min.toString().replace(".", radixPoint);
                } else if (opts.max !== null && numberValue > opts.max) {
                    initialValue = opts.max.toString().replace(".", radixPoint);
                }
            }

            if (isNagtive && initialValue.charAt(0) !== "-") {
                initialValue = "-" + initialValue;
            }
            return alignDigits(initialValue.toString().split(""), digits, opts, forceDigits).join("");
        }
        ,
        onBeforeWrite: function (e, buffer, caretPos, opts) {
            function stripBuffer(buffer, stripRadix) {
                if (opts.__financeInput !== false || stripRadix) {
                    var position = buffer.indexOf(opts.radixPoint);
                    if (position !== -1) {
                        buffer.splice(position, 1);
                    }
                }
                if (opts.groupSeparator !== "") {
                    while ((position = buffer.indexOf(opts.groupSeparator)) !== -1) {
                        buffer.splice(position, 1);
                    }
                }

                return buffer;
            }

            let result, leadingzeroes;
            if (opts.stripLeadingZeroes && (leadingzeroes = checkForLeadingZeroes(buffer, opts))) {
                const caretNdx = buffer.join("").lastIndexOf(leadingzeroes[0].split("").reverse().join("")) - (leadingzeroes[0] == leadingzeroes.input ? 0 : 1),
                    offset = (leadingzeroes[0] == leadingzeroes.input ? 1 : 0);
                for (let i = leadingzeroes[0].length - offset; i > 0; i--) {
                    delete this.maskset.validPositions[caretNdx + i];
                    delete buffer[caretNdx + i];
                }
            }

            if (e) {
                switch (e.type) {
                    case "blur":
                    case "checkval":
                        if (opts.min !== null) {
                            var unmasked = opts.onUnMask(buffer.slice().reverse().join(""), undefined, $.extend({}, opts, {
                                unmaskAsNumber: true
                            }));
                            if (opts.min !== null && unmasked < opts.min) {
                                return {
                                    refreshFromBuffer: true,
                                    buffer: alignDigits(opts.min.toString().replace(".", opts.radixPoint).split(""), opts.digits, opts).reverse()
                                };
                            }
                        }
                        if (buffer[buffer.length - 1] === opts.negationSymbol.front) {  //strip negation symbol on blur when value is 0
                            var nmbrMtchs = new RegExp("(^" + (opts.negationSymbol.front != "" ? escapeRegex(opts.negationSymbol.front) + "?" : "") + escapeRegex(opts.prefix) + ")(.*)(" + escapeRegex(opts.suffix) + (opts.negationSymbol.back != "" ? escapeRegex(opts.negationSymbol.back) + "?" : "") + "$)").exec(stripBuffer(buffer.slice(), true).reverse().join("")),
                                number = nmbrMtchs ? nmbrMtchs[2] : "";
                            if (number == 0) {
                                result = {refreshFromBuffer: true, buffer: [0]};
                            }
                        } else if (opts.radixPoint !== "") { //strip radixpoint on blur when it is the latest char
                            var radixNDX = buffer.indexOf(opts.radixPoint);
                            if (radixNDX === opts.suffix.length) {
                                if (result && result.buffer) {
                                    result.buffer.splice(0, 1 + opts.suffix.length);
                                } else {
                                    buffer.splice(0, 1 + opts.suffix.length);
                                    result =
                                        {refreshFromBuffer: true, buffer: stripBuffer(buffer)};
                                }
                            }
                        }

                        if (opts.enforceDigitsOnBlur) {
                            result = result || {};
                            var bffr = (result && result.buffer) || buffer.slice().reverse();
                            result.refreshFromBuffer = true;
                            result.buffer = alignDigits(bffr, opts.digits, opts, true).reverse();
                        }
                }
            }

            return result;
        },
        onKeyDown: function (e, buffer, caretPos, opts) {
            var $input = $(this), bffr;
            var pattern, c = String.fromCharCode(e.keyCode).toLowerCase();
            if ((pattern = (opts.shortcuts && opts.shortcuts[c]))) {
                if (pattern.length > 1) {
                    this.inputmask.__valueSet.call(this, parseFloat(this.inputmask.unmaskedvalue()) * parseInt(pattern));
                    $input.trigger("setvalue");
                    return false;
                }
            }
            if (e.ctrlKey) {
                switch (e.keyCode) {
                    case keyCode.UP:
                        this.inputmask.__valueSet.call(this, parseFloat(this.inputmask.unmaskedvalue()) + parseInt(opts.step));
                        $input.trigger("setvalue");
                        return false;
                    case keyCode.DOWN:
                        this.inputmask.__valueSet.call(this, parseFloat(this.inputmask.unmaskedvalue()) - parseInt(opts.step));
                        $input.trigger("setvalue");
                        return false;
                }
            }
            if (!e.shiftKey && (e.keyCode === keyCode.DELETE || e.keyCode === keyCode.BACKSPACE || e.keyCode === keyCode.BACKSPACE_SAFARI) && caretPos.begin !== buffer.length) {
                if (buffer[e.keyCode === keyCode.DELETE ? caretPos.begin - 1 : caretPos.end] === opts.negationSymbol.front) {
                    bffr = buffer.slice().reverse();
                    if (opts.negationSymbol.front !== "") bffr.shift();
                    if (opts.negationSymbol.back !== "") bffr.pop();
                    $input.trigger("setvalue", [bffr.join(""), caretPos.begin]);
                    return false;
                } else if (opts._radixDance === true) {
                    var radixPos = buffer.indexOf(opts.radixPoint);
                    if (!opts.digitsOptional) {
                        if (radixPos !== -1 && (caretPos.begin < radixPos || caretPos.end < radixPos || (e.keyCode === keyCode.DELETE && caretPos.begin === radixPos))) {
                            if (caretPos.begin === caretPos.end && (e.keyCode === keyCode.BACKSPACE || e.keyCode === keyCode.BACKSPACE_SAFARI)) { //only adjust when not a selection
                                caretPos.begin++;
                            }
                            bffr = buffer.slice().reverse();
                            bffr.splice(bffr.length - caretPos.begin, caretPos.begin - caretPos.end + 1);
                            // console.log(caretPos);
                            bffr = alignDigits(bffr, opts.digits, opts).join("");
                            $input.trigger("setvalue", [bffr, caretPos.begin >= bffr.length ? radixPos + 1 : caretPos.begin]);
                            return false;
                        }
                    } else if (radixPos === 0) {
                        bffr = buffer.slice().reverse();
                        bffr.pop();
                        $input.trigger("setvalue", [bffr.join(""), caretPos.begin >= bffr.length ? bffr.length : caretPos.begin]);
                        return false;
                    }
                }
            }
        }
    },
    "currency": {
        prefix: "", //"$ ",
        groupSeparator: ",",
        alias: "numeric",
        digits: 2,
        digitsOptional: false
    },
    "decimal": {
        alias: "numeric"
    },
    "integer": {
        alias: "numeric",
        inputmode: "numeric",
        digits: 0
    },
    "percentage": {
        alias: "numeric",
        min: 0,
        max: 100,
        suffix: " %",
        digits: 0,
        allowMinus: false
    },
    "indianns": { //indian numbering system
        alias: "numeric",
        _mask: function (opts) {
            return "(" + opts.groupSeparator + "99){*|1}(" + opts.groupSeparator + "999){1|1}";
        },
        groupSeparator: ",",
        radixPoint: ".",
        placeholder: "0",
        digits: 2,
        digitsOptional: false
    }
});
