import { NullObject, createCacheKey, getCache, CacheItem, setCache } from "./cache.js";
import { numberToHexString, parseColorFunc, parseColorValue, convertColorToRgb, convertColorToOklch, convertColorToOklab, convertColorToLch, convertColorToLab, convertColorToHwb, convertColorToHsl } from "./color.js";
import { isString } from "./common.js";
import { cssCalc } from "./css-calc.js";
import { resolveVar } from "./css-var.js";
import { resolveRelativeColor } from "./relative-color.js";
import { resolveColor } from "./resolve.js";
import { VAL_COMP, SYN_FN_VAR, SYN_FN_REL, SYN_FN_CALC } from "./constant.js";
const NAMESPACE = "convert";
const REG_FN_CALC = new RegExp(SYN_FN_CALC);
const REG_FN_REL = new RegExp(SYN_FN_REL);
const REG_FN_VAR = new RegExp(SYN_FN_VAR);
const preProcess = (value, opt = {}) => {
  if (isString(value)) {
    value = value.trim();
    if (!value) {
      return new NullObject();
    }
  } else {
    return new NullObject();
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "preProcess",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    if (cachedResult.isNull) {
      return cachedResult;
    }
    return cachedResult.item;
  }
  if (REG_FN_VAR.test(value)) {
    const resolvedValue = resolveVar(value, opt);
    if (isString(resolvedValue)) {
      value = resolvedValue;
    } else {
      setCache(cacheKey, null);
      return new NullObject();
    }
  }
  if (REG_FN_REL.test(value)) {
    const resolvedValue = resolveRelativeColor(value, opt);
    if (isString(resolvedValue)) {
      value = resolvedValue;
    } else {
      setCache(cacheKey, null);
      return new NullObject();
    }
  } else if (REG_FN_CALC.test(value)) {
    value = cssCalc(value, opt);
  }
  if (value.startsWith("color-mix")) {
    const clonedOpt = structuredClone(opt);
    clonedOpt.format = VAL_COMP;
    clonedOpt.nullable = true;
    const resolvedValue = resolveColor(value, clonedOpt);
    setCache(cacheKey, resolvedValue);
    return resolvedValue;
  }
  setCache(cacheKey, value);
  return value;
};
const numberToHex = (value) => {
  const hex = numberToHexString(value);
  return hex;
};
const colorToHex = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return null;
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const { alpha = false } = opt;
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToHex",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    if (cachedResult.isNull) {
      return null;
    }
    return cachedResult.item;
  }
  let hex;
  opt.nullable = true;
  if (alpha) {
    opt.format = "hexAlpha";
    hex = resolveColor(value, opt);
  } else {
    opt.format = "hex";
    hex = resolveColor(value, opt);
  }
  if (isString(hex)) {
    setCache(cacheKey, hex);
    return hex;
  }
  setCache(cacheKey, null);
  return null;
};
const colorToHsl = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToHsl",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  opt.format = "hsl";
  const hsl = convertColorToHsl(value, opt);
  setCache(cacheKey, hsl);
  return hsl;
};
const colorToHwb = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToHwb",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  opt.format = "hwb";
  const hwb = convertColorToHwb(value, opt);
  setCache(cacheKey, hwb);
  return hwb;
};
const colorToLab = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToLab",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  const lab = convertColorToLab(value, opt);
  setCache(cacheKey, lab);
  return lab;
};
const colorToLch = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToLch",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  const lch = convertColorToLch(value, opt);
  setCache(cacheKey, lch);
  return lch;
};
const colorToOklab = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToOklab",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  const lab = convertColorToOklab(value, opt);
  setCache(cacheKey, lab);
  return lab;
};
const colorToOklch = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToOklch",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  const lch = convertColorToOklch(value, opt);
  setCache(cacheKey, lch);
  return lch;
};
const colorToRgb = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToRgb",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  const rgb = convertColorToRgb(value, opt);
  setCache(cacheKey, rgb);
  return rgb;
};
const colorToXyz = (value, opt = {}) => {
  if (isString(value)) {
    const resolvedValue = preProcess(value, opt);
    if (resolvedValue instanceof NullObject) {
      return [0, 0, 0, 0];
    }
    value = resolvedValue.toLowerCase();
  } else {
    throw new TypeError(`${value} is not a string.`);
  }
  const cacheKey = createCacheKey(
    {
      namespace: NAMESPACE,
      name: "colorToXyz",
      value
    },
    opt
  );
  const cachedResult = getCache(cacheKey);
  if (cachedResult instanceof CacheItem) {
    return cachedResult.item;
  }
  let xyz;
  if (value.startsWith("color(")) {
    [, ...xyz] = parseColorFunc(value, opt);
  } else {
    [, ...xyz] = parseColorValue(value, opt);
  }
  setCache(cacheKey, xyz);
  return xyz;
};
const colorToXyzD50 = (value, opt = {}) => {
  opt.d50 = true;
  return colorToXyz(value, opt);
};
const convert = {
  colorToHex,
  colorToHsl,
  colorToHwb,
  colorToLab,
  colorToLch,
  colorToOklab,
  colorToOklch,
  colorToRgb,
  colorToXyz,
  colorToXyzD50,
  numberToHex
};
export {
  colorToHex,
  colorToHsl,
  colorToHwb,
  colorToLab,
  colorToLch,
  colorToOklab,
  colorToOklch,
  colorToRgb,
  colorToXyz,
  colorToXyzD50,
  convert,
  numberToHex,
  preProcess
};
//# sourceMappingURL=convert.js.map