"use strict";
(() => {
  // src/leaflet-ais-tracksymbol.ts
  (function() {
    const leaflet = globalThis.L;
    if (!leaflet) return;
    function clamp(value, min, max) {
      return Math.max(min, Math.min(max, value));
    }
    function finiteAngle(value) {
      if (value === null || !Number.isFinite(value)) return null;
      const normalized = (value % 360 + 360) % 360;
      return normalized;
    }
    function svgColor(value, fallback) {
      const text = value || fallback || "";
      return text.replace(/"/g, """);
    }
    function buildSymbolHtml(options, zoom) {
      const heading = finiteAngle(options.heading);
      const course = finiteAngle(options.course);
      const angle = heading != null ? heading : course;
      const speed = Number.isFinite(options.speed) ? Math.max(0, Number(options.speed)) : 0;
      const sizeBase = Number.isFinite(options.size) ? options.size : 22;
      const zoomBoost = zoom >= 12 ? 4 : zoom >= 9 ? 2 : 0;
      const size = clamp(sizeBase + zoomBoost, 16, 32);
      const courseLen = course != null ? clamp(size * (0.55 + Math.min(speed, 30) / 30), size * 0.55, size * 1.2) : 0;
      const color = svgColor(options.color, "#ff7559");
      const outline = svgColor(options.outline, "#6b2118");
      const body = angle != null ? `<g transform="translate(${size / 2} ${size / 2}) rotate(${angle}) translate(${-size / 2} ${-size / 2})"><path d="M ${size * 0.5} ${size * 0.06} L ${size * 0.82} ${size * 0.78} L ${size * 0.5} ${size * 0.62} L ${size * 0.18} ${size * 0.78} Z" fill="${color}" stroke="${outline}" stroke-width="1.2" stroke-linejoin="round" /></g>` : `<path d="M ${size * 0.5} ${size * 0.12} L ${size * 0.88} ${size * 0.5} L ${size * 0.5} ${size * 0.88} L ${size * 0.12} ${size * 0.5} Z" fill="${color}" stroke="${outline}" stroke-width="1.2" stroke-linejoin="round" />`;
      const courseLine = course != null ? `<g transform="translate(${size / 2} ${size / 2}) rotate(${course})"><line x1="0" y1="${-size * 0.22}" x2="0" y2="${-(size * 0.22 + courseLen)}" stroke="${color}" stroke-width="1.4" stroke-linecap="round" opacity="0.75" /></g>` : "";
      return `<svg xmlns="http://www.w3.org/2000/svg" width="${size}" height="${size}" viewBox="0 0 ${size} ${size}" aria-hidden="true">` + courseLine + body + `</svg>`;
    }
    leaflet.TrxAisTrackSymbol = leaflet.Marker.extend({
      options: {
        heading: null,
        course: null,
        speed: null,
        color: "#ff7559",
        outline: "#6b2118",
        size: 22,
        interactive: true,
        keyboard: true,
        riseOnHover: true
      },
      initialize: function(latlng, options) {
        const merged = leaflet.Util.extend({}, this.options, options || {});
        merged.icon = leaflet.divIcon({
          className: "trx-ais-track-symbol-icon",
          html: "",
          iconSize: [merged.size, merged.size],
          iconAnchor: [merged.size / 2, merged.size / 2]
        });
        leaflet.Marker.prototype.initialize.call(this, latlng, merged);
      },
      onAdd: function(map) {
        leaflet.Marker.prototype.onAdd.call(this, map);
        this._refreshIcon();
        this._boundZoomRefresh = this._refreshIcon.bind(this);
        map.on("zoomend", this._boundZoomRefresh);
      },
      onRemove: function(map) {
        if (this._boundZoomRefresh) {
          map.off("zoomend", this._boundZoomRefresh);
          this._boundZoomRefresh = null;
        }
        leaflet.Marker.prototype.onRemove.call(this, map);
      },
      setAisState: function(next) {
        if ("heading" in next) this.options.heading = next.heading;
        if ("course" in next) this.options.course = next.course;
        if ("speed" in next) this.options.speed = next.speed;
        if ("color" in next) this.options.color = next.color;
        if ("outline" in next) this.options.outline = next.outline;
        this._refreshIcon();
        return this;
      },
      _refreshIcon: function() {
        if (!this._icon) return;
        const zoom = this._map && typeof this._map.getZoom === "function" ? this._map.getZoom() : 0;
        const html = buildSymbolHtml(this.options, zoom);
        this._icon.innerHTML = html;
        const sizeBase = Number.isFinite(this.options.size) ? this.options.size : 22;
        const zoomBoost = zoom >= 12 ? 4 : zoom >= 9 ? 2 : 0;
        const size = clamp(sizeBase + zoomBoost, 16, 32);
        this._icon.style.width = `${size}px`;
        this._icon.style.height = `${size}px`;
        this._icon.style.marginLeft = `${-size / 2}px`;
        this._icon.style.marginTop = `${-size / 2}px`;
      }
    });
    leaflet.trxAisTrackSymbol = function(latlng, options) {
      const Constructor = leaflet.TrxAisTrackSymbol;
      if (!Constructor) throw new Error("AIS track symbol constructor is unavailable");
      return new Constructor(latlng, options);
    };
  })();
})();