import { hasOwn } from '@vue/shared';

"use strict";
const hsv2hsl = function(hue, sat, val) {
  return [
    hue,
    sat * val / ((hue = (2 - sat) * val) < 1 ? hue : 2 - hue) || 0,
    hue / 2
  ];
};
const isOnePointZero = function(n) {
  return typeof n === "string" && n.indexOf(".") !== -1 && parseFloat(n) === 1;
};
const isPercentage = function(n) {
  return typeof n === "string" && n.indexOf("%") !== -1;
};
const bound01 = function(value, max) {
  if (isOnePointZero(value)) value = "100%";
  const processPercent = isPercentage(value);
  value = Math.min(max, Math.max(0, parseFloat(`${value}`)));
  if (processPercent) {
    value = parseInt(`${value * max}`, 10) / 100;
  }
  if (Math.abs(value - max) < 1e-6) {
    return 1;
  }
  return value % max / parseFloat(max);
};
const INT_HEX_MAP = { 10: "A", 11: "B", 12: "C", 13: "D", 14: "E", 15: "F" };
const hexOne = function(value) {
  value = Math.min(Math.round(value), 255);
  const high = Math.floor(value / 16);
  const low = value % 16;
  return `${INT_HEX_MAP[high] || high}${INT_HEX_MAP[low] || low}`;
};
const toHex = function({ r, g, b }) {
  if (isNaN(r) || isNaN(g) || isNaN(b)) return "";
  return `#${hexOne(r)}${hexOne(g)}${hexOne(b)}`;
};
const HEX_INT_MAP = { A: 10, B: 11, C: 12, D: 13, E: 14, F: 15 };
const parseHexChannel = function(hex) {
  if (hex.length === 2) {
    return (HEX_INT_MAP[hex[0].toUpperCase()] || +hex[0]) * 16 + (HEX_INT_MAP[hex[1].toUpperCase()] || +hex[1]);
  }
  return HEX_INT_MAP[hex[1].toUpperCase()] || +hex[1];
};
const hsl2hsv = function(hue, sat, light) {
  sat = sat / 100;
  light = light / 100;
  let smin = sat;
  const lmin = Math.max(light, 0.01);
  light *= 2;
  sat *= light <= 1 ? light : 2 - light;
  smin *= lmin <= 1 ? lmin : 2 - lmin;
  const v = (light + sat) / 2;
  const sv = light === 0 ? 2 * smin / (lmin + smin) : 2 * sat / (light + sat);
  return {
    h: hue,
    s: sv * 100,
    v: v * 100
  };
};
const rgb2hsv = function(r, g, b) {
  r = bound01(r, 255);
  g = bound01(g, 255);
  b = bound01(b, 255);
  const max = Math.max(r, g, b);
  const min = Math.min(r, g, b);
  let h;
  const v = max;
  const d = max - min;
  const s = max === 0 ? 0 : d / max;
  if (max === min) {
    h = 0;
  } else {
    switch (max) {
      case r: {
        h = (g - b) / d + (g < b ? 6 : 0);
        break;
      }
      case g: {
        h = (b - r) / d + 2;
        break;
      }
      case b: {
        h = (r - g) / d + 4;
        break;
      }
    }
    h /= 6;
  }
  return { h: h * 360, s: s * 100, v: v * 100 };
};
const hsv2rgb = function(h, s, v) {
  h = bound01(h, 360) * 6;
  s = bound01(s, 100);
  v = bound01(v, 100);
  const i = Math.floor(h);
  const f = h - i;
  const p = v * (1 - s);
  const q = v * (1 - f * s);
  const t = v * (1 - (1 - f) * s);
  const mod = i % 6;
  const r = [v, q, p, p, t, v][mod];
  const g = [t, v, v, q, p, p][mod];
  const b = [p, p, t, v, v, q][mod];
  return {
    r: Math.round(r * 255),
    g: Math.round(g * 255),
    b: Math.round(b * 255)
  };
};
class Color {
  constructor(options) {
    this._hue = 0;
    this._saturation = 100;
    this._value = 100;
    this._alpha = 100;
    this.enableAlpha = false;
    this.format = "hex";
    this.value = "";
    options = options || {};
    for (const option in options) {
      if (hasOwn(options, option)) {
        this[option] = options[option];
      }
    }
    this.doOnChange();
  }
  set(prop, value) {
    if (arguments.length === 1 && typeof prop === "object") {
      for (const p in prop) {
        if (hasOwn(prop, p)) {
          this.set(p, prop[p]);
        }
      }
      return;
    }
    this[`_${prop}`] = value;
    this.doOnChange();
  }
  get(prop) {
    if (prop === "alpha") {
      return Math.floor(this[`_${prop}`]);
    }
    return this[`_${prop}`];
  }
  toRgb() {
    return hsv2rgb(this._hue, this._saturation, this._value);
  }
  fromString(value) {
    if (!value) {
      this._hue = 0;
      this._saturation = 100;
      this._value = 100;
      this.doOnChange();
      return;
    }
    const fromHSV = (h, s, v) => {
      this._hue = Math.max(0, Math.min(360, h));
      this._saturation = Math.max(0, Math.min(100, s));
      this._value = Math.max(0, Math.min(100, v));
      this.doOnChange();
    };
    if (value.indexOf("hsl") !== -1) {
      const parts = value.replace(/hsla|hsl|\(|\)/gm, "").split(/\s|,/g).filter((val) => val !== "").map((val, index) => index > 2 ? parseFloat(val) : parseInt(val, 10));
      if (parts.length === 4) {
        this._alpha = parseFloat(parts[3]) * 100;
      } else if (parts.length === 3) {
        this._alpha = 100;
      }
      if (parts.length >= 3) {
        const { h, s, v } = hsl2hsv(parts[0], parts[1], parts[2]);
        fromHSV(h, s, v);
      }
    } else if (value.indexOf("hsv") !== -1) {
      const parts = value.replace(/hsva|hsv|\(|\)/gm, "").split(/\s|,/g).filter((val) => val !== "").map((val, index) => index > 2 ? parseFloat(val) : parseInt(val, 10));
      if (parts.length === 4) {
        this._alpha = parseFloat(parts[3]) * 100;
      } else if (parts.length === 3) {
        this._alpha = 100;
      }
      if (parts.length >= 3) {
        fromHSV(parts[0], parts[1], parts[2]);
      }
    } else if (value.indexOf("rgb") !== -1) {
      const parts = value.replace(/rgba|rgb|\(|\)/gm, "").split(/\s|,/g).filter((val) => val !== "").map((val, index) => index > 2 ? parseFloat(val) : parseInt(val, 10));
      if (parts.length === 4) {
        this._alpha = parseFloat(parts[3]) * 100;
      } else if (parts.length === 3) {
        this._alpha = 100;
      }
      if (parts.length >= 3) {
        const { h, s, v } = rgb2hsv(parts[0], parts[1], parts[2]);
        fromHSV(h, s, v);
      }
    } else if (value.indexOf("#") !== -1) {
      const hex = value.replace("#", "").trim();
      if (!/^[0-9a-fA-F]{3}$|^[0-9a-fA-F]{6}$|^[0-9a-fA-F]{8}$/.test(hex))
        return;
      let r, g, b;
      if (hex.length === 3) {
        r = parseHexChannel(hex[0] + hex[0]);
        g = parseHexChannel(hex[1] + hex[1]);
        b = parseHexChannel(hex[2] + hex[2]);
      } else if (hex.length === 6 || hex.length === 8) {
        r = parseHexChannel(hex.substring(0, 2));
        g = parseHexChannel(hex.substring(2, 4));
        b = parseHexChannel(hex.substring(4, 6));
      }
      if (hex.length === 8) {
        this._alpha = parseHexChannel(hex.substring(6)) / 255 * 100;
      } else if (hex.length === 3 || hex.length === 6) {
        this._alpha = 100;
      }
      const { h, s, v } = rgb2hsv(r, g, b);
      fromHSV(h, s, v);
    }
  }
  compare(color) {
    return Math.abs(color._hue - this._hue) < 2 && Math.abs(color._saturation - this._saturation) < 1 && Math.abs(color._value - this._value) < 1 && Math.abs(color._alpha - this._alpha) < 1;
  }
  doOnChange() {
    const { _hue, _saturation, _value, _alpha, format } = this;
    if (this.enableAlpha) {
      switch (format) {
        case "hsl": {
          const hsl = hsv2hsl(_hue, _saturation / 100, _value / 100);
          this.value = `hsla(${_hue}, ${Math.round(
            hsl[1] * 100
          )}%, ${Math.round(hsl[2] * 100)}%, ${this.get("alpha") / 100})`;
          break;
        }
        case "hsv": {
          this.value = `hsva(${_hue}, ${Math.round(_saturation)}%, ${Math.round(
            _value
          )}%, ${this.get("alpha") / 100})`;
          break;
        }
        case "hex": {
          this.value = `${toHex(hsv2rgb(_hue, _saturation, _value))}${hexOne(
            _alpha * 255 / 100
          )}`;
          break;
        }
        default: {
          const { r, g, b } = hsv2rgb(_hue, _saturation, _value);
          this.value = `rgba(${r}, ${g}, ${b}, ${this.get("alpha") / 100})`;
        }
      }
    } else {
      switch (format) {
        case "hsl": {
          const hsl = hsv2hsl(_hue, _saturation / 100, _value / 100);
          this.value = `hsl(${_hue}, ${Math.round(hsl[1] * 100)}%, ${Math.round(
            hsl[2] * 100
          )}%)`;
          break;
        }
        case "hsv": {
          this.value = `hsv(${_hue}, ${Math.round(_saturation)}%, ${Math.round(
            _value
          )}%)`;
          break;
        }
        case "rgb": {
          const { r, g, b } = hsv2rgb(_hue, _saturation, _value);
          this.value = `rgb(${r}, ${g}, ${b})`;
          break;
        }
        default: {
          this.value = toHex(hsv2rgb(_hue, _saturation, _value));
        }
      }
    }
  }
}

export { Color as default };
//# sourceMappingURL=color.mjs.map
