import * as tty from 'node:tty';

const {
  env = {},
  argv = [],
  platform = ""
} = typeof process === "undefined" ? {} : process;
const isDisabled = "NO_COLOR" in env || argv.includes("--no-color");
const isForced = "FORCE_COLOR" in env || argv.includes("--color");
const isWindows = platform === "win32";
const isDumbTerminal = env.TERM === "dumb";
const isCompatibleTerminal = tty && tty.isatty && tty.isatty(1) && env.TERM && !isDumbTerminal;
const isCI = "CI" in env && ("GITHUB_ACTIONS" in env || "GITLAB_CI" in env || "CIRCLECI" in env);
const isColorSupported = !isDisabled && (isForced || isWindows && !isDumbTerminal || isCompatibleTerminal || isCI);
function replaceClose(index, string, close, replace, head = string.slice(0, Math.max(0, index)) + replace, tail = string.slice(Math.max(0, index + close.length)), next = tail.indexOf(close)) {
  return head + (next < 0 ? tail : replaceClose(next, tail, close, replace));
}
function clearBleed(index, string, open, close, replace) {
  return index < 0 ? open + string + close : open + replaceClose(index, string, close, replace) + close;
}
function filterEmpty(open, close, replace = open, at = open.length + 1) {
  return (string) => string || !(string === "" || string === void 0) ? clearBleed(
    ("" + string).indexOf(close, at),
    string,
    open,
    close,
    replace
  ) : "";
}
function init(open, close, replace) {
  return filterEmpty(`\x1B[${open}m`, `\x1B[${close}m`, replace);
}
const colorDefs = {
  reset: init(0, 0),
  bold: init(1, 22, "\x1B[22m\x1B[1m"),
  dim: init(2, 22, "\x1B[22m\x1B[2m"),
  italic: init(3, 23),
  underline: init(4, 24),
  inverse: init(7, 27),
  hidden: init(8, 28),
  strikethrough: init(9, 29),
  black: init(30, 39),
  red: init(31, 39),
  green: init(32, 39),
  yellow: init(33, 39),
  blue: init(34, 39),
  magenta: init(35, 39),
  cyan: init(36, 39),
  white: init(37, 39),
  gray: init(90, 39),
  bgBlack: init(40, 49),
  bgRed: init(41, 49),
  bgGreen: init(42, 49),
  bgYellow: init(43, 49),
  bgBlue: init(44, 49),
  bgMagenta: init(45, 49),
  bgCyan: init(46, 49),
  bgWhite: init(47, 49),
  blackBright: init(90, 39),
  redBright: init(91, 39),
  greenBright: init(92, 39),
  yellowBright: init(93, 39),
  blueBright: init(94, 39),
  magentaBright: init(95, 39),
  cyanBright: init(96, 39),
  whiteBright: init(97, 39),
  bgBlackBright: init(100, 49),
  bgRedBright: init(101, 49),
  bgGreenBright: init(102, 49),
  bgYellowBright: init(103, 49),
  bgBlueBright: init(104, 49),
  bgMagentaBright: init(105, 49),
  bgCyanBright: init(106, 49),
  bgWhiteBright: init(107, 49)
};
function createColors(useColor = isColorSupported) {
  return useColor ? colorDefs : Object.fromEntries(Object.keys(colorDefs).map((key) => [key, String]));
}
const colors = createColors();
function getColor(color, fallback = "reset") {
  return colors[color] || colors[fallback];
}
function colorize(color, text) {
  return getColor(color)(text);
}

const ansiRegex = [
  "[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)",
  "(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]))"
].join("|");
function stripAnsi(text) {
  return text.replace(new RegExp(ansiRegex, "g"), "");
}
function centerAlign(str, len, space = " ") {
  const free = len - str.length;
  if (free <= 0) {
    return str;
  }
  const freeLeft = Math.floor(free / 2);
  let _str = "";
  for (let i = 0; i < len; i++) {
    _str += i < freeLeft || i >= freeLeft + str.length ? space : str[i - freeLeft];
  }
  return _str;
}
function rightAlign(str, len, space = " ") {
  const free = len - str.length;
  if (free <= 0) {
    return str;
  }
  let _str = "";
  for (let i = 0; i < len; i++) {
    _str += i < free ? space : str[i - free];
  }
  return _str;
}
function leftAlign(str, len, space = " ") {
  let _str = "";
  for (let i = 0; i < len; i++) {
    _str += i < str.length ? str[i] : space;
  }
  return _str;
}
function align(alignment, str, len, space = " ") {
  switch (alignment) {
    case "left": {
      return leftAlign(str, len, space);
    }
    case "right": {
      return rightAlign(str, len, space);
    }
    case "center": {
      return centerAlign(str, len, space);
    }
    default: {
      return str;
    }
  }
}

const boxStylePresets = {
  solid: {
    tl: "\u250C",
    tr: "\u2510",
    bl: "\u2514",
    br: "\u2518",
    h: "\u2500",
    v: "\u2502"
  },
  double: {
    tl: "\u2554",
    tr: "\u2557",
    bl: "\u255A",
    br: "\u255D",
    h: "\u2550",
    v: "\u2551"
  },
  doubleSingle: {
    tl: "\u2553",
    tr: "\u2556",
    bl: "\u2559",
    br: "\u255C",
    h: "\u2500",
    v: "\u2551"
  },
  doubleSingleRounded: {
    tl: "\u256D",
    tr: "\u256E",
    bl: "\u2570",
    br: "\u256F",
    h: "\u2500",
    v: "\u2551"
  },
  singleThick: {
    tl: "\u250F",
    tr: "\u2513",
    bl: "\u2517",
    br: "\u251B",
    h: "\u2501",
    v: "\u2503"
  },
  singleDouble: {
    tl: "\u2552",
    tr: "\u2555",
    bl: "\u2558",
    br: "\u255B",
    h: "\u2550",
    v: "\u2502"
  },
  singleDoubleRounded: {
    tl: "\u256D",
    tr: "\u256E",
    bl: "\u2570",
    br: "\u256F",
    h: "\u2550",
    v: "\u2502"
  },
  rounded: {
    tl: "\u256D",
    tr: "\u256E",
    bl: "\u2570",
    br: "\u256F",
    h: "\u2500",
    v: "\u2502"
  }
};
const defaultStyle = {
  borderColor: "white",
  borderStyle: "rounded",
  valign: "center",
  padding: 2,
  marginLeft: 1,
  marginTop: 1,
  marginBottom: 1
};
function box(text, _opts = {}) {
  const opts = {
    ..._opts,
    style: {
      ...defaultStyle,
      ..._opts.style
    }
  };
  const textLines = text.split("\n");
  const boxLines = [];
  const _color = getColor(opts.style.borderColor);
  const borderStyle = {
    ...typeof opts.style.borderStyle === "string" ? boxStylePresets[opts.style.borderStyle] || boxStylePresets.solid : opts.style.borderStyle
  };
  if (_color) {
    for (const key in borderStyle) {
      borderStyle[key] = _color(
        borderStyle[key]
      );
    }
  }
  const paddingOffset = opts.style.padding % 2 === 0 ? opts.style.padding : opts.style.padding + 1;
  const height = textLines.length + paddingOffset;
  const width = Math.max(...textLines.map((line) => line.length)) + paddingOffset;
  const widthOffset = width + paddingOffset;
  const leftSpace = opts.style.marginLeft > 0 ? " ".repeat(opts.style.marginLeft) : "";
  if (opts.style.marginTop > 0) {
    boxLines.push("".repeat(opts.style.marginTop));
  }
  if (opts.title) {
    const left = borderStyle.h.repeat(
      Math.floor((width - stripAnsi(opts.title).length) / 2)
    );
    const right = borderStyle.h.repeat(
      width - stripAnsi(opts.title).length - stripAnsi(left).length + paddingOffset
    );
    boxLines.push(
      `${leftSpace}${borderStyle.tl}${left}${opts.title}${right}${borderStyle.tr}`
    );
  } else {
    boxLines.push(
      `${leftSpace}${borderStyle.tl}${borderStyle.h.repeat(widthOffset)}${borderStyle.tr}`
    );
  }
  const valignOffset = opts.style.valign === "center" ? Math.floor((height - textLines.length) / 2) : opts.style.valign === "top" ? height - textLines.length - paddingOffset : height - textLines.length;
  for (let i = 0; i < height; i++) {
    if (i < valignOffset || i >= valignOffset + textLines.length) {
      boxLines.push(
        `${leftSpace}${borderStyle.v}${" ".repeat(widthOffset)}${borderStyle.v}`
      );
    } else {
      const line = textLines[i - valignOffset];
      const left = " ".repeat(paddingOffset);
      const right = " ".repeat(width - stripAnsi(line).length);
      boxLines.push(
        `${leftSpace}${borderStyle.v}${left}${line}${right}${borderStyle.v}`
      );
    }
  }
  boxLines.push(
    `${leftSpace}${borderStyle.bl}${borderStyle.h.repeat(widthOffset)}${borderStyle.br}`
  );
  if (opts.style.marginBottom > 0) {
    boxLines.push("".repeat(opts.style.marginBottom));
  }
  return boxLines.join("\n");
}

export { align, box, centerAlign, colorize, colors, getColor, leftAlign, rightAlign, stripAnsi };