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+import React from 'react';
+import { Query } from 'react-apollo';
+import styled from 'styled-components';
+import Link from 'next/link';
+import PropTypes from 'prop-types';
+import gql from 'graphql-tag';
+import Head from 'next/head';
+import { perPage } from '../config';
+
+const PAGINATION_QUERY = gql`
+ query itemsConnection($skip: Int = 0, $first: Int = 4) {
+ itemsConnection(orderBy: createdAt_DESC, first: $first, skip: $skip) {
+ aggregate {
+ count
+ }
+ }
+ }
+`;
+
+const PaginationStyles = styled.div`
+ text-align: center;
+ display: inline-grid;
+ grid-template-columns: repeat(4, auto);
+ align-items: stretch;
+ justify-content: center;
+ align-content: center;
+ margin: 2rem 0;
+ border: 1px solid ${props => props.theme.lightgrey};
+ border-radius: 10px;
+ & > * {
+ margin: 0;
+ padding: 15px 30px;
+ border-right: 1px solid ${props => props.theme.lightgrey};
+ &:last-child {
+ border-right: 0;
+ }
+ }
+ a[aria-disabled='true'] {
+ color: grey;
+ pointer-events: none;
+ }
+`;
+
+const Pagination = props => (
+ <Query query={PAGINATION_QUERY}>
+ {({ data, loading, error }) => {
+ if (loading || error) return null;
+ const { aggregate } = data.itemsConnection;
+ const { page } = props;
+ const pages = Math.ceil(aggregate.count / perPage);
+ return (
+ <PaginationStyles data-test="pagination">
+ <Head>
+ <title>
+ Sick Fits! — Page {page} of {pages}
+ </title>
+ </Head>
+ <Link
+ prefetch
+ href={{
+ pathname: 'items',
+ query: { page: page - 1 },
+ }}
+ >
+ <a className="prev" aria-disabled={page <= 1}>
+ ←Prev
+ </a>
+ </Link>
+ <p>
+ Page <strong>{page} </strong> of <strong className="totalPages">{pages}</strong>
+ </p>
+ <p>
+ <strong>{aggregate.count}</strong> Items Total
+ </p>
+ <Link
+ prefetch
+ href={{
+ pathname: 'items',
+ query: { page: page + 1 },
+ }}
+ >
+ <a className="next" aria-disabled={page >= pages}>
+ Next →
+ </a>
+ </Link>
+ </PaginationStyles>
+ );
+ }}
+ </Query>
+);
+
+Pagination.propTypes = {
+ page: PropTypes.number.isRequired,
+};
+
+export default Pagination;
+export { PAGINATION_QUERY };