'use strict'; module.exports = function generate_required(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 $valid = 'valid' + $lvl;
var $isData = it.opts.$data && $schema && $schema.$data,
  $schemaValue;
if ($isData) {
  out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
  $schemaValue = 'schema' + $lvl;
} else {
  $schemaValue = $schema;
}
var $vSchema = 'schema' + $lvl;
if (!$isData) {
  if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
    var $required = [];
    var arr1 = $schema;
    if (arr1) {
      var $property, i1 = -1,
        l1 = arr1.length - 1;
      while (i1 < l1) {
        $property = arr1[i1 += 1];
        var $propertySch = it.schema.properties[$property];
        if (!($propertySch && (it.opts.strictKeywords ? typeof $propertySch == 'object' && Object.keys($propertySch).length > 0 : it.util.schemaHasRules($propertySch, it.RULES.all)))) {
          $required[$required.length] = $property;
        }
      }
    }
  } else {
    var $required = $schema;
  }
}
if ($isData || $required.length) {
  var $currentErrorPath = it.errorPath,
    $loopRequired = $isData || $required.length >= it.opts.loopRequired,
    $ownProperties = it.opts.ownProperties;
  if ($breakOnError) {
    out += ' var missing' + ($lvl) + '; ';
    if ($loopRequired) {
      if (!$isData) {
        out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
      }
      var $i = 'i' + $lvl,
        $propertyPath = 'schema' + $lvl + '[' + $i + ']',
        $missingProperty = '\' + ' + $propertyPath + ' + \'';
      if (it.opts._errorDataPathProperty) {
        it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
      }
      out += ' var ' + ($valid) + ' = true; ';
      if ($isData) {
        out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
      }
      out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { ' + ($valid) + ' = ' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] !== undefined ';
      if ($ownProperties) {
        out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
      }
      out += '; if (!' + ($valid) + ') break; } ';
      if ($isData) {
        out += '  }  ';
      }
      out += '  if (!' + ($valid) + ') {   ';
      var $$outStack = $$outStack || [];
      $$outStack.push(out);
      out = ''; /* istanbul ignore else */
      if (it.createErrors !== false) {
        out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
        if (it.opts.messages !== false) {
          out += ' , message: \'';
          if (it.opts._errorDataPathProperty) {
            out += 'is a required property';
          } else {
            out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
          }
          out += '\' ';
        }
        if (it.opts.verbose) {
          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
        }
        out += ' } ';
      } else {
        out += ' {} ';
      }
      var __err = out;
      out = $$outStack.pop();
      if (!it.compositeRule && $breakOnError) {
        /* istanbul ignore if */
        if (it.async) {
          out += ' throw new ValidationError([' + (__err) + ']); ';
        } else {
          out += ' validate.errors = [' + (__err) + ']; return false; ';
        }
      } else {
        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
      }
      out += ' } else { ';
    } else {
      out += ' if ( ';
      var arr2 = $required;
      if (arr2) {
        var $propertyKey, $i = -1,
          l2 = arr2.length - 1;
        while ($i < l2) {
          $propertyKey = arr2[$i += 1];
          if ($i) {
            out += ' || ';
          }
          var $prop = it.util.getProperty($propertyKey),
            $useData = $data + $prop;
          out += ' ( ( ' + ($useData) + ' === undefined ';
          if ($ownProperties) {
            out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
          }
          out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
        }
      }
      out += ') {  ';
      var $propertyPath = 'missing' + $lvl,
        $missingProperty = '\' + ' + $propertyPath + ' + \'';
      if (it.opts._errorDataPathProperty) {
        it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
      }
      var $$outStack = $$outStack || [];
      $$outStack.push(out);
      out = ''; /* istanbul ignore else */
      if (it.createErrors !== false) {
        out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
        if (it.opts.messages !== false) {
          out += ' , message: \'';
          if (it.opts._errorDataPathProperty) {
            out += 'is a required property';
          } else {
            out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
          }
          out += '\' ';
        }
        if (it.opts.verbose) {
          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
        }
        out += ' } ';
      } else {
        out += ' {} ';
      }
      var __err = out;
      out = $$outStack.pop();
      if (!it.compositeRule && $breakOnError) {
        /* istanbul ignore if */
        if (it.async) {
          out += ' throw new ValidationError([' + (__err) + ']); ';
        } else {
          out += ' validate.errors = [' + (__err) + ']; return false; ';
        }
      } else {
        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
      }
      out += ' } else { ';
    }
  } else {
    if ($loopRequired) {
      if (!$isData) {
        out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
      }
      var $i = 'i' + $lvl,
        $propertyPath = 'schema' + $lvl + '[' + $i + ']',
        $missingProperty = '\' + ' + $propertyPath + ' + \'';
      if (it.opts._errorDataPathProperty) {
        it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
      }
      if ($isData) {
        out += ' if (' + ($vSchema) + ' && !Array.isArray(' + ($vSchema) + ')) {  var err =   '; /* istanbul ignore else */
        if (it.createErrors !== false) {
          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
          if (it.opts.messages !== false) {
            out += ' , message: \'';
            if (it.opts._errorDataPathProperty) {
              out += 'is a required property';
            } else {
              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
            }
            out += '\' ';
          }
          if (it.opts.verbose) {
            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
          }
          out += ' } ';
        } else {
          out += ' {} ';
        }
        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if (' + ($vSchema) + ' !== undefined) { ';
      }
      out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { if (' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] === undefined ';
      if ($ownProperties) {
        out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
      }
      out += ') {  var err =   '; /* istanbul ignore else */
      if (it.createErrors !== false) {
        out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
        if (it.opts.messages !== false) {
          out += ' , message: \'';
          if (it.opts._errorDataPathProperty) {
            out += 'is a required property';
          } else {
            out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
          }
          out += '\' ';
        }
        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 ($isData) {
        out += '  }  ';
      }
    } else {
      var arr3 = $required;
      if (arr3) {
        var $propertyKey, i3 = -1,
          l3 = arr3.length - 1;
        while (i3 < l3) {
          $propertyKey = arr3[i3 += 1];
          var $prop = it.util.getProperty($propertyKey),
            $missingProperty = it.util.escapeQuotes($propertyKey),
            $useData = $data + $prop;
          if (it.opts._errorDataPathProperty) {
            it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
          }
          out += ' if ( ' + ($useData) + ' === undefined ';
          if ($ownProperties) {
            out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
          }
          out += ') {  var err =   '; /* istanbul ignore else */
          if (it.createErrors !== false) {
            out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
            if (it.opts.messages !== false) {
              out += ' , message: \'';
              if (it.opts._errorDataPathProperty) {
                out += 'is a required property';
              } else {
                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
              }
              out += '\' ';
            }
            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++; } ';
        }
      }
    }
  }
  it.errorPath = $currentErrorPath;
} else if ($breakOnError) {
  out += ' if (true) {';
}
return out;

}