import {
  __commonJS
} from "./chunk-BUSYA2B4.js";

// node_modules/suncalc/suncalc.js
var require_suncalc = __commonJS({
  "node_modules/suncalc/suncalc.js"(exports, module) {
    (function() {
      "use strict";
      var PI = Math.PI, sin = Math.sin, cos = Math.cos, tan = Math.tan, asin = Math.asin, atan = Math.atan2, acos = Math.acos, rad = PI / 180;
      var dayMs = 1e3 * 60 * 60 * 24, J1970 = 2440588, J2000 = 2451545;
      function toJulian(date) {
        return date.valueOf() / dayMs - 0.5 + J1970;
      }
      function fromJulian(j) {
        return new Date((j + 0.5 - J1970) * dayMs);
      }
      function toDays(date) {
        return toJulian(date) - J2000;
      }
      var e = rad * 23.4397;
      function rightAscension(l, b) {
        return atan(sin(l) * cos(e) - tan(b) * sin(e), cos(l));
      }
      function declination(l, b) {
        return asin(sin(b) * cos(e) + cos(b) * sin(e) * sin(l));
      }
      function azimuth(H, phi, dec) {
        return atan(sin(H), cos(H) * sin(phi) - tan(dec) * cos(phi));
      }
      function altitude(H, phi, dec) {
        return asin(sin(phi) * sin(dec) + cos(phi) * cos(dec) * cos(H));
      }
      function siderealTime(d, lw) {
        return rad * (280.16 + 360.9856235 * d) - lw;
      }
      function astroRefraction(h) {
        if (h < 0)
          h = 0;
        return 2967e-7 / Math.tan(h + 312536e-8 / (h + 0.08901179));
      }
      function solarMeanAnomaly(d) {
        return rad * (357.5291 + 0.98560028 * d);
      }
      function eclipticLongitude(M) {
        var C = rad * (1.9148 * sin(M) + 0.02 * sin(2 * M) + 3e-4 * sin(3 * M)), P = rad * 102.9372;
        return M + C + P + PI;
      }
      function sunCoords(d) {
        var M = solarMeanAnomaly(d), L = eclipticLongitude(M);
        return {
          dec: declination(L, 0),
          ra: rightAscension(L, 0)
        };
      }
      var SunCalc = {};
      SunCalc.getPosition = function(date, lat, lng) {
        var lw = rad * -lng, phi = rad * lat, d = toDays(date), c = sunCoords(d), H = siderealTime(d, lw) - c.ra;
        return {
          azimuth: azimuth(H, phi, c.dec),
          altitude: altitude(H, phi, c.dec)
        };
      };
      var times = SunCalc.times = [
        [-0.833, "sunrise", "sunset"],
        [-0.3, "sunriseEnd", "sunsetStart"],
        [-6, "dawn", "dusk"],
        [-12, "nauticalDawn", "nauticalDusk"],
        [-18, "nightEnd", "night"],
        [6, "goldenHourEnd", "goldenHour"]
      ];
      SunCalc.addTime = function(angle, riseName, setName) {
        times.push([angle, riseName, setName]);
      };
      var J0 = 9e-4;
      function julianCycle(d, lw) {
        return Math.round(d - J0 - lw / (2 * PI));
      }
      function approxTransit(Ht, lw, n) {
        return J0 + (Ht + lw) / (2 * PI) + n;
      }
      function solarTransitJ(ds, M, L) {
        return J2000 + ds + 53e-4 * sin(M) - 69e-4 * sin(2 * L);
      }
      function hourAngle(h, phi, d) {
        return acos((sin(h) - sin(phi) * sin(d)) / (cos(phi) * cos(d)));
      }
      function observerAngle(height) {
        return -2.076 * Math.sqrt(height) / 60;
      }
      function getSetJ(h, lw, phi, dec, n, M, L) {
        var w = hourAngle(h, phi, dec), a = approxTransit(w, lw, n);
        return solarTransitJ(a, M, L);
      }
      SunCalc.getTimes = function(date, lat, lng, height) {
        height = height || 0;
        var lw = rad * -lng, phi = rad * lat, dh = observerAngle(height), d = toDays(date), n = julianCycle(d, lw), ds = approxTransit(0, lw, n), M = solarMeanAnomaly(ds), L = eclipticLongitude(M), dec = declination(L, 0), Jnoon = solarTransitJ(ds, M, L), i, len, time, h0, Jset, Jrise;
        var result = {
          solarNoon: fromJulian(Jnoon),
          nadir: fromJulian(Jnoon - 0.5)
        };
        for (i = 0, len = times.length; i < len; i += 1) {
          time = times[i];
          h0 = (time[0] + dh) * rad;
          Jset = getSetJ(h0, lw, phi, dec, n, M, L);
          Jrise = Jnoon - (Jset - Jnoon);
          result[time[1]] = fromJulian(Jrise);
          result[time[2]] = fromJulian(Jset);
        }
        return result;
      };
      function moonCoords(d) {
        var L = rad * (218.316 + 13.176396 * d), M = rad * (134.963 + 13.064993 * d), F = rad * (93.272 + 13.22935 * d), l = L + rad * 6.289 * sin(M), b = rad * 5.128 * sin(F), dt = 385001 - 20905 * cos(M);
        return {
          ra: rightAscension(l, b),
          dec: declination(l, b),
          dist: dt
        };
      }
      SunCalc.getMoonPosition = function(date, lat, lng) {
        var lw = rad * -lng, phi = rad * lat, d = toDays(date), c = moonCoords(d), H = siderealTime(d, lw) - c.ra, h = altitude(H, phi, c.dec), pa = atan(sin(H), tan(phi) * cos(c.dec) - sin(c.dec) * cos(H));
        h = h + astroRefraction(h);
        return {
          azimuth: azimuth(H, phi, c.dec),
          altitude: h,
          distance: c.dist,
          parallacticAngle: pa
        };
      };
      SunCalc.getMoonIllumination = function(date) {
        var d = toDays(date || /* @__PURE__ */ new Date()), s = sunCoords(d), m = moonCoords(d), sdist = 149598e3, phi = acos(sin(s.dec) * sin(m.dec) + cos(s.dec) * cos(m.dec) * cos(s.ra - m.ra)), inc = atan(sdist * sin(phi), m.dist - sdist * cos(phi)), angle = atan(cos(s.dec) * sin(s.ra - m.ra), sin(s.dec) * cos(m.dec) - cos(s.dec) * sin(m.dec) * cos(s.ra - m.ra));
        return {
          fraction: (1 + cos(inc)) / 2,
          phase: 0.5 + 0.5 * inc * (angle < 0 ? -1 : 1) / Math.PI,
          angle
        };
      };
      function hoursLater(date, h) {
        return new Date(date.valueOf() + h * dayMs / 24);
      }
      SunCalc.getMoonTimes = function(date, lat, lng, inUTC) {
        var t = new Date(date);
        if (inUTC) t.setUTCHours(0, 0, 0, 0);
        else t.setHours(0, 0, 0, 0);
        var hc = 0.133 * rad, h0 = SunCalc.getMoonPosition(t, lat, lng).altitude - hc, h1, h2, rise, set, a, b, xe, ye, d, roots, x1, x2, dx;
        for (var i = 1; i <= 24; i += 2) {
          h1 = SunCalc.getMoonPosition(hoursLater(t, i), lat, lng).altitude - hc;
          h2 = SunCalc.getMoonPosition(hoursLater(t, i + 1), lat, lng).altitude - hc;
          a = (h0 + h2) / 2 - h1;
          b = (h2 - h0) / 2;
          xe = -b / (2 * a);
          ye = (a * xe + b) * xe + h1;
          d = b * b - 4 * a * h1;
          roots = 0;
          if (d >= 0) {
            dx = Math.sqrt(d) / (Math.abs(a) * 2);
            x1 = xe - dx;
            x2 = xe + dx;
            if (Math.abs(x1) <= 1) roots++;
            if (Math.abs(x2) <= 1) roots++;
            if (x1 < -1) x1 = x2;
          }
          if (roots === 1) {
            if (h0 < 0) rise = i + x1;
            else set = i + x1;
          } else if (roots === 2) {
            rise = i + (ye < 0 ? x2 : x1);
            set = i + (ye < 0 ? x1 : x2);
          }
          if (rise && set) break;
          h0 = h2;
        }
        var result = {};
        if (rise) result.rise = hoursLater(t, rise);
        if (set) result.set = hoursLater(t, set);
        if (!rise && !set) result[ye > 0 ? "alwaysUp" : "alwaysDown"] = true;
        return result;
      };
      if (typeof exports === "object" && typeof module !== "undefined") module.exports = SunCalc;
      else if (typeof define === "function" && define.amd) define(SunCalc);
      else window.SunCalc = SunCalc;
    })();
  }
});
export default require_suncalc();
//# sourceMappingURL=suncalc.js.map