// Generated by LiveScript 1.5.0 (function(){

var ref$, id, find, sort, min, max, map, unlines, nameToRaw, dasherize, naturalJoin, wordwrap, getPreText, setHelpStyleDefaults, generateHelpForOption, generateHelp;
ref$ = require('prelude-ls'), id = ref$.id, find = ref$.find, sort = ref$.sort, min = ref$.min, max = ref$.max, map = ref$.map, unlines = ref$.unlines;
ref$ = require('./util'), nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin;
wordwrap = require('wordwrap');
getPreText = function(option, arg$, maxWidth){
  var mainName, shortNames, ref$, longNames, type, description, aliasSeparator, typeSeparator, initialIndent, names, namesString, namesStringLen, typeSeparatorString, typeSeparatorStringLen, wrap;
  mainName = option.option, shortNames = (ref$ = option.shortNames) != null
    ? ref$
    : [], longNames = (ref$ = option.longNames) != null
    ? ref$
    : [], type = option.type, description = option.description;
  aliasSeparator = arg$.aliasSeparator, typeSeparator = arg$.typeSeparator, initialIndent = arg$.initialIndent;
  if (option.negateName) {
    mainName = "no-" + mainName;
    if (longNames) {
      longNames = map(function(it){
        return "no-" + it;
      }, longNames);
    }
  }
  names = mainName.length === 1
    ? [mainName].concat(shortNames, longNames)
    : shortNames.concat([mainName], longNames);
  namesString = map(nameToRaw, names).join(aliasSeparator);
  namesStringLen = namesString.length;
  typeSeparatorString = mainName === 'NUM' ? '::' : typeSeparator;
  typeSeparatorStringLen = typeSeparatorString.length;
  if (maxWidth != null && !option.boolean && initialIndent + namesStringLen + typeSeparatorStringLen + type.length > maxWidth) {
    wrap = wordwrap(initialIndent + namesStringLen + typeSeparatorStringLen, maxWidth);
    return namesString + "" + typeSeparatorString + wrap(type).replace(/^\s+/, '');
  } else {
    return namesString + "" + (option.boolean
      ? ''
      : typeSeparatorString + "" + type);
  }
};
setHelpStyleDefaults = function(helpStyle){
  helpStyle.aliasSeparator == null && (helpStyle.aliasSeparator = ', ');
  helpStyle.typeSeparator == null && (helpStyle.typeSeparator = ' ');
  helpStyle.descriptionSeparator == null && (helpStyle.descriptionSeparator = '  ');
  helpStyle.initialIndent == null && (helpStyle.initialIndent = 2);
  helpStyle.secondaryIndent == null && (helpStyle.secondaryIndent = 4);
  helpStyle.maxPadFactor == null && (helpStyle.maxPadFactor = 1.5);
};
generateHelpForOption = function(getOption, arg$){
  var stdout, helpStyle, ref$;
  stdout = arg$.stdout, helpStyle = (ref$ = arg$.helpStyle) != null
    ? ref$
    : {};
  setHelpStyleDefaults(helpStyle);
  return function(optionName){
    var maxWidth, wrap, option, e, pre, defaultString, restPositionalString, description, fullDescription, that, preDescription, descriptionString, exampleString, examples, seperator;
    maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null;
    wrap = maxWidth ? wordwrap(maxWidth) : id;
    try {
      option = getOption(dasherize(optionName));
    } catch (e$) {
      e = e$;
      return e.message;
    }
    pre = getPreText(option, helpStyle);
    defaultString = option['default'] && !option.negateName ? "\ndefault: " + option['default'] : '';
    restPositionalString = option.restPositional ? 'Everything after this option is considered a positional argument, even if it looks like an option.' : '';
    description = option.longDescription || option.description && sentencize(option.description);
    fullDescription = description && restPositionalString
      ? description + " " + restPositionalString
      : (that = description || restPositionalString) ? that : '';
    preDescription = 'description:';
    descriptionString = !fullDescription
      ? ''
      : maxWidth && fullDescription.length - 1 - preDescription.length > maxWidth
        ? "\n" + preDescription + "\n" + wrap(fullDescription)
        : "\n" + preDescription + " " + fullDescription;
    exampleString = (that = option.example) ? (examples = [].concat(that), examples.length > 1
      ? "\nexamples:\n" + unlines(examples)
      : "\nexample: " + examples[0]) : '';
    seperator = defaultString || descriptionString || exampleString ? "\n" + repeatString$('=', pre.length) : '';
    return pre + "" + seperator + defaultString + descriptionString + exampleString;
  };
};
generateHelp = function(arg$){
  var options, prepend, append, helpStyle, ref$, stdout, aliasSeparator, typeSeparator, descriptionSeparator, maxPadFactor, initialIndent, secondaryIndent;
  options = arg$.options, prepend = arg$.prepend, append = arg$.append, helpStyle = (ref$ = arg$.helpStyle) != null
    ? ref$
    : {}, stdout = arg$.stdout;
  setHelpStyleDefaults(helpStyle);
  aliasSeparator = helpStyle.aliasSeparator, typeSeparator = helpStyle.typeSeparator, descriptionSeparator = helpStyle.descriptionSeparator, maxPadFactor = helpStyle.maxPadFactor, initialIndent = helpStyle.initialIndent, secondaryIndent = helpStyle.secondaryIndent;
  return function(arg$){
    var ref$, showHidden, interpolate, maxWidth, output, out, data, optionCount, totalPreLen, preLens, i$, len$, item, that, pre, descParts, desc, preLen, sortedPreLens, maxPreLen, preLenMean, x, padAmount, descSepLen, fullWrapCount, partialWrapCount, descLen, totalLen, initialSpace, wrapAllFull, i, wrap;
    ref$ = arg$ != null
      ? arg$
      : {}, showHidden = ref$.showHidden, interpolate = ref$.interpolate;
    maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null;
    output = [];
    out = function(it){
      return output.push(it != null ? it : '');
    };
    if (prepend) {
      out(interpolate ? interp(prepend, interpolate) : prepend);
      out();
    }
    data = [];
    optionCount = 0;
    totalPreLen = 0;
    preLens = [];
    for (i$ = 0, len$ = (ref$ = options).length; i$ < len$; ++i$) {
      item = ref$[i$];
      if (showHidden || !item.hidden) {
        if (that = item.heading) {
          data.push({
            type: 'heading',
            value: that
          });
        } else {
          pre = getPreText(item, helpStyle, maxWidth);
          descParts = [];
          if ((that = item.description) != null) {
            descParts.push(that);
          }
          if (that = item['enum']) {
            descParts.push("either: " + naturalJoin(that));
          }
          if (item['default'] && !item.negateName) {
            descParts.push("default: " + item['default']);
          }
          desc = descParts.join(' - ');
          data.push({
            type: 'option',
            pre: pre,
            desc: desc,
            descLen: desc.length
          });
          preLen = pre.length;
          optionCount++;
          totalPreLen += preLen;
          preLens.push(preLen);
        }
      }
    }
    sortedPreLens = sort(preLens);
    maxPreLen = sortedPreLens[sortedPreLens.length - 1];
    preLenMean = initialIndent + totalPreLen / optionCount;
    x = optionCount > 2 ? min(preLenMean * maxPadFactor, maxPreLen) : maxPreLen;
    for (i$ = sortedPreLens.length - 1; i$ >= 0; --i$) {
      preLen = sortedPreLens[i$];
      if (preLen <= x) {
        padAmount = preLen;
        break;
      }
    }
    descSepLen = descriptionSeparator.length;
    if (maxWidth != null) {
      fullWrapCount = 0;
      partialWrapCount = 0;
      for (i$ = 0, len$ = data.length; i$ < len$; ++i$) {
        item = data[i$];
        if (item.type === 'option') {
          pre = item.pre, desc = item.desc, descLen = item.descLen;
          if (descLen === 0) {
            item.wrap = 'none';
          } else {
            preLen = max(padAmount, pre.length) + initialIndent + descSepLen;
            totalLen = preLen + descLen;
            if (totalLen > maxWidth) {
              if (descLen / 2.5 > maxWidth - preLen) {
                fullWrapCount++;
                item.wrap = 'full';
              } else {
                partialWrapCount++;
                item.wrap = 'partial';
              }
            } else {
              item.wrap = 'none';
            }
          }
        }
      }
    }
    initialSpace = repeatString$(' ', initialIndent);
    wrapAllFull = optionCount > 1 && fullWrapCount + partialWrapCount * 0.5 > optionCount * 0.5;
    for (i$ = 0, len$ = data.length; i$ < len$; ++i$) {
      i = i$;
      item = data[i$];
      if (item.type === 'heading') {
        if (i !== 0) {
          out();
        }
        out(item.value + ":");
      } else {
        pre = item.pre, desc = item.desc, descLen = item.descLen, wrap = item.wrap;
        if (maxWidth != null) {
          if (wrapAllFull || wrap === 'full') {
            wrap = wordwrap(initialIndent + secondaryIndent, maxWidth);
            out(initialSpace + "" + pre + "\n" + wrap(desc));
            continue;
          } else if (wrap === 'partial') {
            wrap = wordwrap(initialIndent + descSepLen + max(padAmount, pre.length), maxWidth);
            out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + wrap(desc).replace(/^\s+/, ''));
            continue;
          }
        }
        if (descLen === 0) {
          out(initialSpace + "" + pre);
        } else {
          out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + desc);
        }
      }
    }
    if (append) {
      out();
      out(interpolate ? interp(append, interpolate) : append);
    }
    return unlines(output);
  };
};
function pad(str, num){
  var len, padAmount;
  len = str.length;
  padAmount = num - len;
  return str + "" + repeatString$(' ', padAmount > 0 ? padAmount : 0);
}
function sentencize(str){
  var first, rest, period;
  first = str.charAt(0).toUpperCase();
  rest = str.slice(1);
  period = /[\.!\?]$/.test(str) ? '' : '.';
  return first + "" + rest + period;
}
function interp(string, object){
  return string.replace(/{{([a-zA-Z$_][a-zA-Z$_0-9]*)}}/g, function(arg$, key){
    var ref$;
    return (ref$ = object[key]) != null
      ? ref$
      : "{{" + key + "}}";
  });
}
module.exports = {
  generateHelp: generateHelp,
  generateHelpForOption: generateHelpForOption
};
function repeatString$(str, n){
  for (var r = ''; n > 0; (n >>= 1) && (str += str)) if (n & 1) r += str;
  return r;
}

}).call(this);