import _ from 'lodash';

import {
  getParameterName,
  iterateFunctionNodes,
  quoteName,
} from '../utilities';

const schema = [];

const create = iterateFunctionNodes((context) => (functionNode) => {
  for (const identifierNode of functionNode.params) {
    const nodeType = _.get(identifierNode, 'type');
    const isAssignmentPattern = nodeType === 'AssignmentPattern';
    const hasTypeAnnotation = Boolean(_.get(identifierNode, 'typeAnnotation'));
    const leftAnnotated = Boolean(_.get(identifierNode, 'left.typeAnnotation'));

    if (isAssignmentPattern && hasTypeAnnotation && !leftAnnotated) {
      context.report({
        data: {
          name: quoteName(getParameterName(identifierNode, context)),
        },
        message: '{{name}}parameter type annotation must be placed on left-hand side of assignment.',
        node: identifierNode,
      });
    }
  }
});

export default {
  create,
  meta: {
    deprecated: true,
  },
  schema,
};