import { jsx, jsxs } from "react/jsx-runtime";
import { forwardRef, useRef, useState, useCallback, useEffect, useImperativeHandle } from "react";
import { cn } from "../utils/cn.js";
import { c as createLucideIcon } from "../../createLucideIcon-Bni0WIE-.js";
/*!
 * Signature Pad v5.0.10 | https://github.com/szimek/signature_pad
 * (c) 2025 Szymon Nowak | Released under the MIT license
 */
class Point {
  constructor(x, y, pressure, time) {
    if (isNaN(x) || isNaN(y)) {
      throw new Error(`Point is invalid: (${x}, ${y})`);
    }
    this.x = +x;
    this.y = +y;
    this.pressure = pressure || 0;
    this.time = time || Date.now();
  }
  distanceTo(start) {
    return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
  }
  equals(other) {
    return this.x === other.x && this.y === other.y && this.pressure === other.pressure && this.time === other.time;
  }
  velocityFrom(start) {
    return this.time !== start.time ? this.distanceTo(start) / (this.time - start.time) : 0;
  }
}
class Bezier {
  static fromPoints(points, widths) {
    const c2 = this.calculateControlPoints(points[0], points[1], points[2]).c2;
    const c3 = this.calculateControlPoints(points[1], points[2], points[3]).c1;
    return new Bezier(points[1], c2, c3, points[2], widths.start, widths.end);
  }
  static calculateControlPoints(s1, s2, s3) {
    const dx1 = s1.x - s2.x;
    const dy1 = s1.y - s2.y;
    const dx2 = s2.x - s3.x;
    const dy2 = s2.y - s3.y;
    const m1 = { x: (s1.x + s2.x) / 2, y: (s1.y + s2.y) / 2 };
    const m2 = { x: (s2.x + s3.x) / 2, y: (s2.y + s3.y) / 2 };
    const l1 = Math.sqrt(dx1 * dx1 + dy1 * dy1);
    const l2 = Math.sqrt(dx2 * dx2 + dy2 * dy2);
    const dxm = m1.x - m2.x;
    const dym = m1.y - m2.y;
    const k = l1 + l2 == 0 ? 0 : l2 / (l1 + l2);
    const cm = { x: m2.x + dxm * k, y: m2.y + dym * k };
    const tx = s2.x - cm.x;
    const ty = s2.y - cm.y;
    return {
      c1: new Point(m1.x + tx, m1.y + ty),
      c2: new Point(m2.x + tx, m2.y + ty)
    };
  }
  constructor(startPoint, control2, control1, endPoint, startWidth, endWidth) {
    this.startPoint = startPoint;
    this.control2 = control2;
    this.control1 = control1;
    this.endPoint = endPoint;
    this.startWidth = startWidth;
    this.endWidth = endWidth;
  }
  length() {
    const steps = 10;
    let length = 0;
    let px;
    let py;
    for (let i = 0; i <= steps; i += 1) {
      const t = i / steps;
      const cx = this.point(t, this.startPoint.x, this.control1.x, this.control2.x, this.endPoint.x);
      const cy = this.point(t, this.startPoint.y, this.control1.y, this.control2.y, this.endPoint.y);
      if (i > 0) {
        const xdiff = cx - px;
        const ydiff = cy - py;
        length += Math.sqrt(xdiff * xdiff + ydiff * ydiff);
      }
      px = cx;
      py = cy;
    }
    return length;
  }
  point(t, start, c1, c2, end) {
    return start * (1 - t) * (1 - t) * (1 - t) + 3 * c1 * (1 - t) * (1 - t) * t + 3 * c2 * (1 - t) * t * t + end * t * t * t;
  }
}
class SignatureEventTarget {
  constructor() {
    try {
      this._et = new EventTarget();
    } catch (_a) {
      this._et = document;
    }
  }
  addEventListener(type, listener, options) {
    this._et.addEventListener(type, listener, options);
  }
  dispatchEvent(event) {
    return this._et.dispatchEvent(event);
  }
  removeEventListener(type, callback, options) {
    this._et.removeEventListener(type, callback, options);
  }
}
function throttle(fn, wait = 250) {
  let previous = 0;
  let timeout = null;
  let result;
  let storedContext;
  let storedArgs;
  const later = () => {
    previous = Date.now();
    timeout = null;
    result = fn.apply(storedContext, storedArgs);
    if (!timeout) {
      storedContext = null;
      storedArgs = [];
    }
  };
  return function wrapper(...args) {
    const now = Date.now();
    const remaining = wait - (now - previous);
    storedContext = this;
    storedArgs = args;
    if (remaining <= 0 || remaining > wait) {
      if (timeout) {
        clearTimeout(timeout);
        timeout = null;
      }
      previous = now;
      result = fn.apply(storedContext, storedArgs);
      if (!timeout) {
        storedContext = null;
        storedArgs = [];
      }
    } else if (!timeout) {
      timeout = window.setTimeout(later, remaining);
    }
    return result;
  };
}
let SignaturePad$1 = class SignaturePad extends SignatureEventTarget {
  constructor(canvas, options = {}) {
    var _a, _b, _c;
    super();
    this.canvas = canvas;
    this._drawingStroke = false;
    this._isEmpty = true;
    this._lastPoints = [];
    this._data = [];
    this._lastVelocity = 0;
    this._lastWidth = 0;
    this.velocityFilterWeight = options.velocityFilterWeight || 0.7;
    this.minWidth = options.minWidth || 0.5;
    this.maxWidth = options.maxWidth || 2.5;
    this.throttle = (_a = options.throttle) !== null && _a !== void 0 ? _a : 16;
    this.minDistance = (_b = options.minDistance) !== null && _b !== void 0 ? _b : 5;
    this.dotSize = options.dotSize || 0;
    this.penColor = options.penColor || "black";
    this.backgroundColor = options.backgroundColor || "rgba(0,0,0,0)";
    this.compositeOperation = options.compositeOperation || "source-over";
    this.canvasContextOptions = (_c = options.canvasContextOptions) !== null && _c !== void 0 ? _c : {};
    this._strokeMoveUpdate = this.throttle ? throttle(SignaturePad.prototype._strokeUpdate, this.throttle) : SignaturePad.prototype._strokeUpdate;
    this._handleMouseDown = this._handleMouseDown.bind(this);
    this._handleMouseMove = this._handleMouseMove.bind(this);
    this._handleMouseUp = this._handleMouseUp.bind(this);
    this._handleTouchStart = this._handleTouchStart.bind(this);
    this._handleTouchMove = this._handleTouchMove.bind(this);
    this._handleTouchEnd = this._handleTouchEnd.bind(this);
    this._handlePointerDown = this._handlePointerDown.bind(this);
    this._handlePointerMove = this._handlePointerMove.bind(this);
    this._handlePointerUp = this._handlePointerUp.bind(this);
    this._ctx = canvas.getContext("2d", this.canvasContextOptions);
    this.clear();
    this.on();
  }
  clear() {
    const { _ctx: ctx, canvas } = this;
    ctx.fillStyle = this.backgroundColor;
    ctx.clearRect(0, 0, canvas.width, canvas.height);
    ctx.fillRect(0, 0, canvas.width, canvas.height);
    this._data = [];
    this._reset(this._getPointGroupOptions());
    this._isEmpty = true;
    this._strokePointerId = void 0;
  }
  fromDataURL(dataUrl, options = {}) {
    return new Promise((resolve, reject) => {
      const image = new Image();
      const ratio = options.ratio || window.devicePixelRatio || 1;
      const width = options.width || this.canvas.width / ratio;
      const height = options.height || this.canvas.height / ratio;
      const xOffset = options.xOffset || 0;
      const yOffset = options.yOffset || 0;
      this._reset(this._getPointGroupOptions());
      image.onload = () => {
        this._ctx.drawImage(image, xOffset, yOffset, width, height);
        resolve();
      };
      image.onerror = (error) => {
        reject(error);
      };
      image.crossOrigin = "anonymous";
      image.src = dataUrl;
      this._isEmpty = false;
    });
  }
  toDataURL(type = "image/png", encoderOptions) {
    switch (type) {
      case "image/svg+xml":
        if (typeof encoderOptions !== "object") {
          encoderOptions = void 0;
        }
        return `data:image/svg+xml;base64,${btoa(this.toSVG(encoderOptions))}`;
      default:
        if (typeof encoderOptions !== "number") {
          encoderOptions = void 0;
        }
        return this.canvas.toDataURL(type, encoderOptions);
    }
  }
  on() {
    this.canvas.style.touchAction = "none";
    this.canvas.style.msTouchAction = "none";
    this.canvas.style.userSelect = "none";
    const isIOS = /Macintosh/.test(navigator.userAgent) && "ontouchstart" in document;
    if (window.PointerEvent && !isIOS) {
      this._handlePointerEvents();
    } else {
      this._handleMouseEvents();
      if ("ontouchstart" in window) {
        this._handleTouchEvents();
      }
    }
  }
  off() {
    this.canvas.style.touchAction = "auto";
    this.canvas.style.msTouchAction = "auto";
    this.canvas.style.userSelect = "auto";
    this.canvas.removeEventListener("pointerdown", this._handlePointerDown);
    this.canvas.removeEventListener("mousedown", this._handleMouseDown);
    this.canvas.removeEventListener("touchstart", this._handleTouchStart);
    this._removeMoveUpEventListeners();
  }
  _getListenerFunctions() {
    var _a;
    const canvasWindow = window.document === this.canvas.ownerDocument ? window : (_a = this.canvas.ownerDocument.defaultView) !== null && _a !== void 0 ? _a : this.canvas.ownerDocument;
    return {
      addEventListener: canvasWindow.addEventListener.bind(canvasWindow),
      removeEventListener: canvasWindow.removeEventListener.bind(canvasWindow)
    };
  }
  _removeMoveUpEventListeners() {
    const { removeEventListener } = this._getListenerFunctions();
    removeEventListener("pointermove", this._handlePointerMove);
    removeEventListener("pointerup", this._handlePointerUp);
    removeEventListener("mousemove", this._handleMouseMove);
    removeEventListener("mouseup", this._handleMouseUp);
    removeEventListener("touchmove", this._handleTouchMove);
    removeEventListener("touchend", this._handleTouchEnd);
  }
  isEmpty() {
    return this._isEmpty;
  }
  fromData(pointGroups, { clear = true } = {}) {
    if (clear) {
      this.clear();
    }
    this._fromData(pointGroups, this._drawCurve.bind(this), this._drawDot.bind(this));
    this._data = this._data.concat(pointGroups);
  }
  toData() {
    return this._data;
  }
  _isLeftButtonPressed(event, only) {
    if (only) {
      return event.buttons === 1;
    }
    return (event.buttons & 1) === 1;
  }
  _pointerEventToSignatureEvent(event) {
    return {
      event,
      type: event.type,
      x: event.clientX,
      y: event.clientY,
      pressure: "pressure" in event ? event.pressure : 0
    };
  }
  _touchEventToSignatureEvent(event) {
    const touch = event.changedTouches[0];
    return {
      event,
      type: event.type,
      x: touch.clientX,
      y: touch.clientY,
      pressure: touch.force
    };
  }
  _handleMouseDown(event) {
    if (!this._isLeftButtonPressed(event, true) || this._drawingStroke) {
      return;
    }
    this._strokeBegin(this._pointerEventToSignatureEvent(event));
  }
  _handleMouseMove(event) {
    if (!this._isLeftButtonPressed(event, true) || !this._drawingStroke) {
      this._strokeEnd(this._pointerEventToSignatureEvent(event), false);
      return;
    }
    this._strokeMoveUpdate(this._pointerEventToSignatureEvent(event));
  }
  _handleMouseUp(event) {
    if (this._isLeftButtonPressed(event)) {
      return;
    }
    this._strokeEnd(this._pointerEventToSignatureEvent(event));
  }
  _handleTouchStart(event) {
    if (event.targetTouches.length !== 1 || this._drawingStroke) {
      return;
    }
    if (event.cancelable) {
      event.preventDefault();
    }
    this._strokeBegin(this._touchEventToSignatureEvent(event));
  }
  _handleTouchMove(event) {
    if (event.targetTouches.length !== 1) {
      return;
    }
    if (event.cancelable) {
      event.preventDefault();
    }
    if (!this._drawingStroke) {
      this._strokeEnd(this._touchEventToSignatureEvent(event), false);
      return;
    }
    this._strokeMoveUpdate(this._touchEventToSignatureEvent(event));
  }
  _handleTouchEnd(event) {
    if (event.targetTouches.length !== 0) {
      return;
    }
    if (event.cancelable) {
      event.preventDefault();
    }
    this._strokeEnd(this._touchEventToSignatureEvent(event));
  }
  _getPointerId(event) {
    return event.persistentDeviceId || event.pointerId;
  }
  _allowPointerId(event, allowUndefined = false) {
    if (typeof this._strokePointerId === "undefined") {
      return allowUndefined;
    }
    return this._getPointerId(event) === this._strokePointerId;
  }
  _handlePointerDown(event) {
    if (this._drawingStroke || !this._isLeftButtonPressed(event) || !this._allowPointerId(event, true)) {
      return;
    }
    this._strokePointerId = this._getPointerId(event);
    event.preventDefault();
    this._strokeBegin(this._pointerEventToSignatureEvent(event));
  }
  _handlePointerMove(event) {
    if (!this._allowPointerId(event)) {
      return;
    }
    if (!this._isLeftButtonPressed(event, true) || !this._drawingStroke) {
      this._strokeEnd(this._pointerEventToSignatureEvent(event), false);
      return;
    }
    event.preventDefault();
    this._strokeMoveUpdate(this._pointerEventToSignatureEvent(event));
  }
  _handlePointerUp(event) {
    if (this._isLeftButtonPressed(event) || !this._allowPointerId(event)) {
      return;
    }
    event.preventDefault();
    this._strokeEnd(this._pointerEventToSignatureEvent(event));
  }
  _getPointGroupOptions(group) {
    return {
      penColor: group && "penColor" in group ? group.penColor : this.penColor,
      dotSize: group && "dotSize" in group ? group.dotSize : this.dotSize,
      minWidth: group && "minWidth" in group ? group.minWidth : this.minWidth,
      maxWidth: group && "maxWidth" in group ? group.maxWidth : this.maxWidth,
      velocityFilterWeight: group && "velocityFilterWeight" in group ? group.velocityFilterWeight : this.velocityFilterWeight,
      compositeOperation: group && "compositeOperation" in group ? group.compositeOperation : this.compositeOperation
    };
  }
  _strokeBegin(event) {
    const cancelled = !this.dispatchEvent(new CustomEvent("beginStroke", { detail: event, cancelable: true }));
    if (cancelled) {
      return;
    }
    const { addEventListener } = this._getListenerFunctions();
    switch (event.event.type) {
      case "mousedown":
        addEventListener("mousemove", this._handleMouseMove, {
          passive: false
        });
        addEventListener("mouseup", this._handleMouseUp, { passive: false });
        break;
      case "touchstart":
        addEventListener("touchmove", this._handleTouchMove, {
          passive: false
        });
        addEventListener("touchend", this._handleTouchEnd, { passive: false });
        break;
      case "pointerdown":
        addEventListener("pointermove", this._handlePointerMove, {
          passive: false
        });
        addEventListener("pointerup", this._handlePointerUp, {
          passive: false
        });
        break;
    }
    this._drawingStroke = true;
    const pointGroupOptions = this._getPointGroupOptions();
    const newPointGroup = Object.assign(Object.assign({}, pointGroupOptions), { points: [] });
    this._data.push(newPointGroup);
    this._reset(pointGroupOptions);
    this._strokeUpdate(event);
  }
  _strokeUpdate(event) {
    if (!this._drawingStroke) {
      return;
    }
    if (this._data.length === 0) {
      this._strokeBegin(event);
      return;
    }
    this.dispatchEvent(new CustomEvent("beforeUpdateStroke", { detail: event }));
    const point = this._createPoint(event.x, event.y, event.pressure);
    const lastPointGroup = this._data[this._data.length - 1];
    const lastPoints = lastPointGroup.points;
    const lastPoint = lastPoints.length > 0 && lastPoints[lastPoints.length - 1];
    const isLastPointTooClose = lastPoint ? point.distanceTo(lastPoint) <= this.minDistance : false;
    const pointGroupOptions = this._getPointGroupOptions(lastPointGroup);
    if (!lastPoint || !(lastPoint && isLastPointTooClose)) {
      const curve = this._addPoint(point, pointGroupOptions);
      if (!lastPoint) {
        this._drawDot(point, pointGroupOptions);
      } else if (curve) {
        this._drawCurve(curve, pointGroupOptions);
      }
      lastPoints.push({
        time: point.time,
        x: point.x,
        y: point.y,
        pressure: point.pressure
      });
    }
    this.dispatchEvent(new CustomEvent("afterUpdateStroke", { detail: event }));
  }
  _strokeEnd(event, shouldUpdate = true) {
    this._removeMoveUpEventListeners();
    if (!this._drawingStroke) {
      return;
    }
    if (shouldUpdate) {
      this._strokeUpdate(event);
    }
    this._drawingStroke = false;
    this._strokePointerId = void 0;
    this.dispatchEvent(new CustomEvent("endStroke", { detail: event }));
  }
  _handlePointerEvents() {
    this._drawingStroke = false;
    this.canvas.addEventListener("pointerdown", this._handlePointerDown, {
      passive: false
    });
  }
  _handleMouseEvents() {
    this._drawingStroke = false;
    this.canvas.addEventListener("mousedown", this._handleMouseDown, {
      passive: false
    });
  }
  _handleTouchEvents() {
    this.canvas.addEventListener("touchstart", this._handleTouchStart, {
      passive: false
    });
  }
  _reset(options) {
    this._lastPoints = [];
    this._lastVelocity = 0;
    this._lastWidth = (options.minWidth + options.maxWidth) / 2;
    this._ctx.fillStyle = options.penColor;
    this._ctx.globalCompositeOperation = options.compositeOperation;
  }
  _createPoint(x, y, pressure) {
    const rect = this.canvas.getBoundingClientRect();
    return new Point(x - rect.left, y - rect.top, pressure, (/* @__PURE__ */ new Date()).getTime());
  }
  _addPoint(point, options) {
    const { _lastPoints } = this;
    _lastPoints.push(point);
    if (_lastPoints.length > 2) {
      if (_lastPoints.length === 3) {
        _lastPoints.unshift(_lastPoints[0]);
      }
      const widths = this._calculateCurveWidths(_lastPoints[1], _lastPoints[2], options);
      const curve = Bezier.fromPoints(_lastPoints, widths);
      _lastPoints.shift();
      return curve;
    }
    return null;
  }
  _calculateCurveWidths(startPoint, endPoint, options) {
    const velocity = options.velocityFilterWeight * endPoint.velocityFrom(startPoint) + (1 - options.velocityFilterWeight) * this._lastVelocity;
    const newWidth = this._strokeWidth(velocity, options);
    const widths = {
      end: newWidth,
      start: this._lastWidth
    };
    this._lastVelocity = velocity;
    this._lastWidth = newWidth;
    return widths;
  }
  _strokeWidth(velocity, options) {
    return Math.max(options.maxWidth / (velocity + 1), options.minWidth);
  }
  _drawCurveSegment(x, y, width) {
    const ctx = this._ctx;
    ctx.moveTo(x, y);
    ctx.arc(x, y, width, 0, 2 * Math.PI, false);
    this._isEmpty = false;
  }
  _drawCurve(curve, options) {
    const ctx = this._ctx;
    const widthDelta = curve.endWidth - curve.startWidth;
    const drawSteps = Math.ceil(curve.length()) * 2;
    ctx.beginPath();
    ctx.fillStyle = options.penColor;
    for (let i = 0; i < drawSteps; i += 1) {
      const t = i / drawSteps;
      const tt = t * t;
      const ttt = tt * t;
      const u = 1 - t;
      const uu = u * u;
      const uuu = uu * u;
      let x = uuu * curve.startPoint.x;
      x += 3 * uu * t * curve.control1.x;
      x += 3 * u * tt * curve.control2.x;
      x += ttt * curve.endPoint.x;
      let y = uuu * curve.startPoint.y;
      y += 3 * uu * t * curve.control1.y;
      y += 3 * u * tt * curve.control2.y;
      y += ttt * curve.endPoint.y;
      const width = Math.min(curve.startWidth + ttt * widthDelta, options.maxWidth);
      this._drawCurveSegment(x, y, width);
    }
    ctx.closePath();
    ctx.fill();
  }
  _drawDot(point, options) {
    const ctx = this._ctx;
    const width = options.dotSize > 0 ? options.dotSize : (options.minWidth + options.maxWidth) / 2;
    ctx.beginPath();
    this._drawCurveSegment(point.x, point.y, width);
    ctx.closePath();
    ctx.fillStyle = options.penColor;
    ctx.fill();
  }
  _fromData(pointGroups, drawCurve, drawDot) {
    for (const group of pointGroups) {
      const { points } = group;
      const pointGroupOptions = this._getPointGroupOptions(group);
      if (points.length > 1) {
        for (let j = 0; j < points.length; j += 1) {
          const basicPoint = points[j];
          const point = new Point(basicPoint.x, basicPoint.y, basicPoint.pressure, basicPoint.time);
          if (j === 0) {
            this._reset(pointGroupOptions);
          }
          const curve = this._addPoint(point, pointGroupOptions);
          if (curve) {
            drawCurve(curve, pointGroupOptions);
          }
        }
      } else {
        this._reset(pointGroupOptions);
        drawDot(points[0], pointGroupOptions);
      }
    }
  }
  toSVG({ includeBackgroundColor = false } = {}) {
    const pointGroups = this._data;
    const ratio = Math.max(window.devicePixelRatio || 1, 1);
    const minX = 0;
    const minY = 0;
    const maxX = this.canvas.width / ratio;
    const maxY = this.canvas.height / ratio;
    const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
    svg.setAttribute("xmlns", "http://www.w3.org/2000/svg");
    svg.setAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
    svg.setAttribute("viewBox", `${minX} ${minY} ${maxX} ${maxY}`);
    svg.setAttribute("width", maxX.toString());
    svg.setAttribute("height", maxY.toString());
    if (includeBackgroundColor && this.backgroundColor) {
      const rect = document.createElement("rect");
      rect.setAttribute("width", "100%");
      rect.setAttribute("height", "100%");
      rect.setAttribute("fill", this.backgroundColor);
      svg.appendChild(rect);
    }
    this._fromData(pointGroups, (curve, { penColor }) => {
      const path = document.createElement("path");
      if (!isNaN(curve.control1.x) && !isNaN(curve.control1.y) && !isNaN(curve.control2.x) && !isNaN(curve.control2.y)) {
        const attr = `M ${curve.startPoint.x.toFixed(3)},${curve.startPoint.y.toFixed(3)} C ${curve.control1.x.toFixed(3)},${curve.control1.y.toFixed(3)} ${curve.control2.x.toFixed(3)},${curve.control2.y.toFixed(3)} ${curve.endPoint.x.toFixed(3)},${curve.endPoint.y.toFixed(3)}`;
        path.setAttribute("d", attr);
        path.setAttribute("stroke-width", (curve.endWidth * 2.25).toFixed(3));
        path.setAttribute("stroke", penColor);
        path.setAttribute("fill", "none");
        path.setAttribute("stroke-linecap", "round");
        svg.appendChild(path);
      }
    }, (point, { penColor, dotSize, minWidth, maxWidth }) => {
      const circle = document.createElement("circle");
      const size = dotSize > 0 ? dotSize : (minWidth + maxWidth) / 2;
      circle.setAttribute("r", size.toString());
      circle.setAttribute("cx", point.x.toString());
      circle.setAttribute("cy", point.y.toString());
      circle.setAttribute("fill", penColor);
      svg.appendChild(circle);
    });
    return svg.outerHTML;
  }
};
/**
 * @license lucide-react v0.540.0 - ISC
 *
 * This source code is licensed under the ISC license.
 * See the LICENSE file in the root directory of this source tree.
 */
const __iconNode = [
  ["circle", { cx: "12", cy: "12", r: "10", key: "1mglay" }],
  ["path", { d: "M12 16v-4", key: "1dtifu" }],
  ["path", { d: "M12 8h.01", key: "e9boi3" }]
];
const Info = createLucideIcon("info", __iconNode);
const PEN_WIDTH = {
  min: 0.5,
  max: 2.5
};
const PEN_COLOR = "#000000";
const SignaturePad2 = forwardRef(
  ({
    value,
    onChange,
    onClear,
    penColor,
    penWidth,
    disabled = false,
    className,
    canvasClassName
  }, ref) => {
    const canvasRef = useRef(null);
    const containerRef = useRef(null);
    const signaturePadRef = useRef(null);
    const isDrawingRef = useRef(false);
    const [canvasDimensions, setCanvasDimensions] = useState({
      width: 0,
      height: 0
    });
    const [hasError, setHasError] = useState(false);
    const onChangeRef = useRef(onChange);
    onChangeRef.current = onChange;
    const lastEmittedDataUrlRef = useRef(null);
    const handleSignature = useCallback(() => {
      isDrawingRef.current = false;
      const dataUrl = signaturePadRef.current?.toDataURL() ?? "";
      lastEmittedDataUrlRef.current = dataUrl;
      if (onChangeRef.current) {
        onChangeRef.current(dataUrl);
      }
    }, []);
    const ensureBackground = useCallback((canvasElement) => {
      const ctx = canvasElement.getContext("2d");
      if (ctx) {
        ctx.fillStyle = "hsl(0deg 0% 95%)";
        ctx.fillRect(0, 0, canvasElement.width, canvasElement.height);
      }
    }, []);
    useEffect(() => {
      if (!canvasRef.current || canvasDimensions.width === 0 || canvasDimensions.height === 0)
        return;
      const canvas = canvasRef.current;
      ensureBackground(canvas);
      try {
        if (signaturePadRef.current) {
          signaturePadRef.current.off?.();
        }
        const pad = new SignaturePad$1(canvas, {
          penColor: penColor ?? PEN_COLOR,
          backgroundColor: "hsl(0deg 0% 95%)",
          minWidth: penWidth?.min ?? PEN_WIDTH.min,
          maxWidth: penWidth?.max ?? PEN_WIDTH.max,
          throttle: 16
        });
        signaturePadRef.current = pad;
        const handleBegin = () => {
          isDrawingRef.current = true;
        };
        if (pad.addEventListener) {
          pad.addEventListener("beginStroke", handleBegin);
          pad.addEventListener("endStroke", handleSignature);
        }
        return () => {
          if (pad.removeEventListener) {
            pad.removeEventListener("beginStroke", handleBegin);
            pad.removeEventListener("endStroke", handleSignature);
          }
          pad.off?.();
        };
      } catch (error) {
        console.error("Failed to initialize SignaturePad:", error);
        setHasError(true);
      }
    }, [
      canvasDimensions,
      penColor,
      penWidth,
      handleSignature,
      ensureBackground
    ]);
    useEffect(() => {
      if (!signaturePadRef.current || value === void 0) return;
      if (isDrawingRef.current) return;
      const pad = signaturePadRef.current;
      const canvas = canvasRef.current;
      if (lastEmittedDataUrlRef.current && value === lastEmittedDataUrlRef.current) {
        return;
      }
      const fillBackground = () => {
        if (canvas) {
          ensureBackground(canvas);
        }
      };
      if (value === "") {
        pad.clear();
        fillBackground();
        return;
      }
      if (!pad.isEmpty?.()) {
        pad.clear();
        fillBackground();
      }
      try {
        const img = new Image();
        img.onload = () => {
          pad.clear();
          fillBackground();
          if (!canvas) return;
          const ctx = canvas.getContext("2d");
          if (!ctx) return;
          const scaleX = canvas.width / img.width;
          const scaleY = canvas.height / img.height;
          const scale = Math.min(scaleX, scaleY, 1);
          const scaledWidth = img.width * scale;
          const scaledHeight = img.height * scale;
          const x = (canvas.width - scaledWidth) / 2;
          const y = (canvas.height - scaledHeight) / 2;
          ctx.drawImage(img, x, y, scaledWidth, scaledHeight);
        };
        img.onerror = () => {
          console.warn("Failed to load signature image for centering");
          pad.fromDataURL(value);
        };
        img.src = value;
      } catch (error) {
        console.warn("Invalid signature data URL:", error);
      }
    }, [value, ensureBackground]);
    useEffect(() => {
      if (signaturePadRef.current) {
        try {
          if (disabled) {
            signaturePadRef.current.off?.();
          } else {
            signaturePadRef.current.on?.();
          }
        } catch (error) {
          console.warn("Error toggling signature pad state:", error);
        }
      }
    }, [disabled]);
    useEffect(() => {
      if (!containerRef.current) return;
      const resizeObserver = new ResizeObserver((entries) => {
        for (const entry of entries) {
          const { width: containerWidth, height: containerHeight } = entry.contentRect;
          if (containerWidth > 0 && containerHeight > 0) {
            setCanvasDimensions((prev) => {
              if (prev.width === containerWidth && prev.height === containerHeight) {
                return prev;
              }
              return { width: containerWidth, height: containerHeight };
            });
          }
        }
      });
      resizeObserver.observe(containerRef.current);
      return () => {
        resizeObserver.disconnect();
      };
    }, []);
    useEffect(() => {
      if (!canvasRef.current || canvasDimensions.width === 0 || canvasDimensions.height === 0)
        return;
      const canvas = canvasRef.current;
      const pad = signaturePadRef.current;
      const data = pad && !pad.isEmpty?.() ? pad.toData?.() || [] : [];
      canvas.width = canvasDimensions.width;
      canvas.height = canvasDimensions.height;
      ensureBackground(canvas);
      if (data.length > 0 && pad) {
        requestAnimationFrame(() => {
          pad.fromData?.(data);
        });
      }
    }, [canvasDimensions, ensureBackground]);
    useEffect(() => {
      if (canvasRef.current && canvasDimensions.width > 0 && canvasDimensions.height > 0) {
        const timeoutId = setTimeout(() => {
          if (canvasRef.current) {
            ensureBackground(canvasRef.current);
          }
        }, 50);
        return () => clearTimeout(timeoutId);
      }
    }, [canvasDimensions, ensureBackground]);
    const handleClear = () => {
      if (signaturePadRef.current) {
        signaturePadRef.current.clear?.();
        if (onChange) {
          onChange("");
        }
        if (onClear) {
          onClear();
        }
      }
    };
    useImperativeHandle(ref, () => ({
      clear: handleClear,
      isEmpty: () => signaturePadRef.current?.isEmpty() ?? true,
      toDataURL: (type, encoderOptions) => signaturePadRef.current?.toDataURL(type, encoderOptions) ?? "",
      toSVG: () => signaturePadRef.current?.toSVG() ?? "",
      fromDataURL: (dataURL) => {
        signaturePadRef.current?.fromDataURL(dataURL);
      }
    }));
    useEffect(() => {
      if (canvasRef.current) {
        const context = canvasRef.current.getContext("2d");
        if (!context) {
          setHasError(true);
        }
      }
    }, []);
    if (hasError) {
      return /* @__PURE__ */ jsx(
        "div",
        {
          role: "alert",
          className: "p-4 border border-destructive rounded-md bg-destructive/10",
          children: /* @__PURE__ */ jsx("p", { className: "text-sm text-destructive", children: "Your browser does not support the canvas element required for signatures." })
        }
      );
    }
    const containerStyle = { width: "100%", height: "100%" };
    return /* @__PURE__ */ jsxs(
      "div",
      {
        ref: containerRef,
        className: cn("relative", "w-full h-full", className),
        style: containerStyle,
        children: [
          /* @__PURE__ */ jsx("div", { className: "relative w-full h-full border bg-gray-200 rounded-md overflow-hidden", children: /* @__PURE__ */ jsx(
            "canvas",
            {
              ref: canvasRef,
              width: canvasDimensions.width || 400,
              height: canvasDimensions.height || 200,
              role: "img",
              "aria-label": "Signature pad",
              "aria-disabled": disabled,
              className: cn(
                "block touch-none",
                disabled && "cursor-not-allowed opacity-50",
                canvasClassName
              ),
              style: {
                width: "100%",
                height: "100%"
              }
            }
          ) }),
          /* @__PURE__ */ jsxs("div", { className: "absolute w-fit inset-2 text-xs flex pointer-events-none items-end justify-start gap-1 text-muted-foreground opacity-50", children: [
            /* @__PURE__ */ jsx(Info, { className: "w-4 h-4 text-color" }),
            /* @__PURE__ */ jsx("span", { className: "block md:hidden", children: "Sign using your finger" }),
            /* @__PURE__ */ jsx("span", { className: "hidden md:block", children: "Sign using your mouse" })
          ] })
        ]
      }
    );
  }
);
SignaturePad2.displayName = "SignaturePad";
export {
  SignaturePad2 as SignaturePad
};
