'use strict';
module.exports = function generate_ref(it, $keyword) {
  var out = ' ';
  var $lvl = it.level;
  var $dataLvl = it.dataLevel;
  var $schema = it.schema[$keyword];
  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
  var $breakOnError = !it.opts.allErrors;
  var $data = 'data' + ($dataLvl || '');
  var $valid = 'valid' + $lvl;
  var $async, $refCode;
  if ($schema == '#' || $schema == '#/') {
    if (it.isRoot) {
      $async = it.async;
      $refCode = 'validate';
    } else {
      $async = it.root.schema.$async === true;
      $refCode = 'root.refVal[0]';
    }
  } else {
    var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot);
    if ($refVal === undefined) {
      var $message = 'can\'t resolve reference ' + $schema + ' from id ' + it.baseId;
      if (it.opts.missingRefs == 'fail') {
        console.log($message);
        var $$outStack = $$outStack || [];
        $$outStack.push(out);
        out = ''; /* istanbul ignore else */
        if (it.createErrors !== false) {
          out += ' { keyword: \'' + ('$ref') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { ref: \'' + (it.util.escapeQuotes($schema)) + '\' } ';
          if (it.opts.messages !== false) {
            out += ' , message: \'can\\\'t resolve reference ' + (it.util.escapeQuotes($schema)) + '\' ';
          }
          if (it.opts.verbose) {
            out += ' , schema: ' + (it.util.toQuotedString($schema)) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
          }
          out += ' } ';
        } else {
          out += ' {} ';
        }
        var __err = out;
        out = $$outStack.pop();
        if (!it.compositeRule && $breakOnError) { /* istanbul ignore if */
          if (it.async) {
            out += ' throw new ValidationError([' + (__err) + ']); ';
          } else {
            out += ' validate.errors = [' + (__err) + ']; return false; ';
          }
        } else {
          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
        }
        if ($breakOnError) {
          out += ' if (false) { ';
        }
      } else if (it.opts.missingRefs == 'ignore') {
        console.log($message);
        if ($breakOnError) {
          out += ' if (true) { ';
        }
      } else {
        var $error = new Error($message);
        $error.missingRef = it.resolve.url(it.baseId, $schema);
        $error.missingSchema = it.resolve.normalizeId(it.resolve.fullPath($error.missingRef));
        throw $error;
      }
    } else if ($refVal.inline) {
      var $it = it.util.copy(it);
      $it.level++;
      var $nextValid = 'valid' + $it.level;
      $it.schema = $refVal.schema;
      $it.schemaPath = '';
      $it.errSchemaPath = $schema;
      var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code);
      out += ' ' + ($code) + ' ';
      if ($breakOnError) {
        out += ' if (' + ($nextValid) + ') { ';
      }
    } else {
      $async = $refVal.$async === true;
      $refCode = $refVal.code;
    }
  }
  if ($refCode) {
    var $$outStack = $$outStack || [];
    $$outStack.push(out);
    out = '';
    if (it.opts.passContext) {
      out += ' ' + ($refCode) + '.call(this, ';
    } else {
      out += ' ' + ($refCode) + '( ';
    }
    out += ' ' + ($data) + ', (dataPath || \'\')';
    if (it.errorPath != '""') {
      out += ' + ' + (it.errorPath);
    }
    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ', rootData)  ';
    var __callValidate = out;
    out = $$outStack.pop();
    if ($async) {
      if (!it.async) throw new Error('async schema referenced by sync schema');
      out += ' try { ';
      if ($breakOnError) {
        out += 'var ' + ($valid) + ' =';
      }
      out += ' ' + (it.yieldAwait) + ' ' + (__callValidate) + '; } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; } ';
      if ($breakOnError) {
        out += ' if (' + ($valid) + ') { ';
      }
    } else {
      out += ' if (!' + (__callValidate) + ') { if (vErrors === null) vErrors = ' + ($refCode) + '.errors; else vErrors = vErrors.concat(' + ($refCode) + '.errors); errors = vErrors.length; } ';
      if ($breakOnError) {
        out += ' else { ';
      }
    }
  }
  return out;
}
