'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.findDeprecatedUsages = findDeprecatedUsages;

var _GraphQLError = require('../error/GraphQLError');

var _visitor = require('../language/visitor');

var _definition = require('../type/definition');

var _schema = require('../type/schema');

var _TypeInfo = require('./TypeInfo');

/**
 * A validation rule which reports deprecated usages.
 *
 * Returns a list of GraphQLError instances describing each deprecated use.
 */
function findDeprecatedUsages(schema, ast) {
  var errors = [];
  var typeInfo = new _TypeInfo.TypeInfo(schema);

  (0, _visitor.visit)(ast, (0, _visitor.visitWithTypeInfo)(typeInfo, {
    Field: function Field(node) {
      var fieldDef = typeInfo.getFieldDef();
      if (fieldDef && fieldDef.isDeprecated) {
        var parentType = typeInfo.getParentType();
        if (parentType) {
          var reason = fieldDef.deprecationReason;
          errors.push(new _GraphQLError.GraphQLError('The field ' + parentType.name + '.' + fieldDef.name + ' is deprecated.' + (reason ? ' ' + reason : ''), [node]));
        }
      }
    },
    EnumValue: function EnumValue(node) {
      var enumVal = typeInfo.getEnumValue();
      if (enumVal && enumVal.isDeprecated) {
        var type = (0, _definition.getNamedType)(typeInfo.getInputType());
        if (type) {
          var reason = enumVal.deprecationReason;
          errors.push(new _GraphQLError.GraphQLError('The enum value ' + type.name + '.' + enumVal.name + ' is deprecated.' + (reason ? ' ' + reason : ''), [node]));
        }
      }
    }
  }));

  return errors;
} /**
   * Copyright (c) 2015-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * 
   */