// Copyright Jorge Bucaran. All rights reserved. MIT license.
let enabled = !("NO_COLOR" in process.env) &&
  ("FORCE_COLOR" in process.env ||
    process.platform === "win32" ||
    (process.stdout != null &&
      process.stdout.isTTY &&
      process.env.TERM &&
      process.env.TERM !== "dumb"));

const raw = (open, close, searchRegex, replaceValue) =>
  (s) =>
    enabled
      ? open +
        (~(s += "").indexOf(close, 4) // skip opening \x1b[
          ? s.replace(searchRegex, replaceValue)
          : s) +
        close
      : s;

const init = (open, close) => {
  return raw(
    `\x1b[${open}m`,
    `\x1b[${close}m`,
    new RegExp(`\\x1b\\[${close}m`, "g"),
    `\x1b[${open}m`,
  );
};

exports.options = Object.defineProperty({}, "enabled", {
  get: () => enabled,
  set: (value) => (enabled = value),
});

exports.reset = init(0, 0);
exports.bold = raw("\x1b[1m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[1m");
exports.dim = raw("\x1b[2m", "\x1b[22m", /\x1b\[22m/g, "\x1b[22m\x1b[2m");
exports.italic = init(3, 23);
exports.underline = init(4, 24);
exports.inverse = init(7, 27);
exports.hidden = init(8, 28);
exports.strikethrough = init(9, 29);
exports.black = init(30, 39);
exports.red = init(31, 39);
exports.green = init(32, 39);
exports.yellow = init(33, 39);
exports.blue = init(34, 39);
exports.magenta = init(35, 39);
exports.cyan = init(36, 39);
exports.white = init(37, 39);
exports.gray = init(90, 39);
exports.bgBlack = init(40, 49);
exports.bgRed = init(41, 49);
exports.bgGreen = init(42, 49);
exports.bgYellow = init(43, 49);
exports.bgBlue = init(44, 49);
exports.bgMagenta = init(45, 49);
exports.bgCyan = init(46, 49);
exports.bgWhite = init(47, 49);
exports.blackBright = init(90, 39);
exports.redBright = init(91, 39);
exports.greenBright = init(92, 39);
exports.yellowBright = init(93, 39);
exports.blueBright = init(94, 39);
exports.magentaBright = init(95, 39);
exports.cyanBright = init(96, 39);
exports.whiteBright = init(97, 39);
exports.bgBlackBright = init(100, 49);
exports.bgRedBright = init(101, 49);
exports.bgGreenBright = init(102, 49);
exports.bgYellowBright = init(103, 49);
exports.bgBlueBright = init(104, 49);
exports.bgMagentaBright = init(105, 49);
exports.bgCyanBright = init(106, 49);
exports.bgWhiteBright = init(107, 49);