'use strict';
module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
  var out = ' ';
  var $lvl = it.level;
  var $dataLvl = it.dataLevel;
  var $schema = it.schema[$keyword];
  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
  var $breakOnError = !it.opts.allErrors;
  var $data = 'data' + ($dataLvl || '');
  var $errs = 'errs__' + $lvl;
  var $it = it.util.copy(it);
  var $closingBraces = '';
  $it.level++;
  var $nextValid = 'valid' + $it.level;
  out += 'var ' + $errs + ' = errors;';
  if (
    it.opts.strictKeywords ?
      (typeof $schema == 'object' && Object.keys($schema).length > 0) ||
      $schema === false
    : it.util.schemaHasRules($schema, it.RULES.all)
  ) {
    $it.schema = $schema;
    $it.schemaPath = $schemaPath;
    $it.errSchemaPath = $errSchemaPath;
    var $key = 'key' + $lvl,
      $idx = 'idx' + $lvl,
      $i = 'i' + $lvl,
      $invalidName = "' + " + $key + " + '",
      $dataNxt = ($it.dataLevel = it.dataLevel + 1),
      $nextData = 'data' + $dataNxt,
      $dataProperties = 'dataProperties' + $lvl,
      $ownProperties = it.opts.ownProperties,
      $currentBaseId = it.baseId;
    if ($ownProperties) {
      out += ' var ' + $dataProperties + ' = undefined; ';
    }
    if ($ownProperties) {
      out +=
        ' ' +
        $dataProperties +
        ' = ' +
        $dataProperties +
        ' || Object.keys(' +
        $data +
        '); for (var ' +
        $idx +
        '=0; ' +
        $idx +
        '<' +
        $dataProperties +
        '.length; ' +
        $idx +
        '++) { var ' +
        $key +
        ' = ' +
        $dataProperties +
        '[' +
        $idx +
        ']; ';
    } else {
      out += ' for (var ' + $key + ' in ' + $data + ') { ';
    }
    out += ' var startErrs' + $lvl + ' = errors; ';
    var $passData = $key;
    var $wasComposite = it.compositeRule;
    it.compositeRule = $it.compositeRule = true;
    var $code = it.validate($it);
    $it.baseId = $currentBaseId;
    if (it.util.varOccurences($code, $nextData) < 2) {
      out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
    } else {
      out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
    }
    it.compositeRule = $it.compositeRule = $wasComposite;
    out +=
      ' if (!' +
      $nextValid +
      ') { for (var ' +
      $i +
      '=startErrs' +
      $lvl +
      '; ' +
      $i +
      '<errors; ' +
      $i +
      '++) { vErrors[' +
      $i +
      '].propertyName = ' +
      $key +
      '; }   var err =   '; /* istanbul ignore else */
    if (it.createErrors !== false) {
      out +=
        " { keyword: '" +
        'propertyNames' +
        "' , dataPath: (dataPath || '') + " +
        it.errorPath +
        ' , schemaPath: ' +
        it.util.toQuotedString($errSchemaPath) +
        " , params: { propertyName: '" +
        $invalidName +
        "' } ";
      if (it.opts.messages !== false) {
        out +=
          " , message: 'property name \\'" + $invalidName + "\\' is invalid' ";
      }
      if (it.opts.verbose) {
        out +=
          ' , schema: validate.schema' +
          $schemaPath +
          ' , parentSchema: validate.schema' +
          it.schemaPath +
          ' , data: ' +
          $data +
          ' ';
      }
      out += ' } ';
    } else {
      out += ' {} ';
    }
    out +=
      ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
    if (!it.compositeRule && $breakOnError) {
      /* istanbul ignore if */
      if (it.async) {
        out += ' throw new ValidationError(vErrors); ';
      } else {
        out += ' validate.errors = vErrors; return false; ';
      }
    }
    if ($breakOnError) {
      out += ' break; ';
    }
    out += ' } }';
  }
  if ($breakOnError) {
    out += ' ' + $closingBraces + ' if (' + $errs + ' == errors) {';
  }
  return out;
};