/**
 * External dependencies
 */
import { __, _n } from '@wordpress/i18n';
import { Component } from '@wordpress/element';
import { map } from 'lodash';
import moment from 'moment';

/**
 * WooCommerce dependencies
 */
import { getCurrentDates, defaultTableDateFormat } from 'lib/date';
import { Date, Link } from '@woocommerce/components';
import { getNewPath, getPersistedQuery } from '@woocommerce/navigation';
import { formatValue } from 'lib/number-format';
import { getAdminLink, getSetting } from '@woocommerce/wc-admin-settings';

/**
 * Internal dependencies
 */
import ReportTable from 'analytics/components/report-table';

export default class DownloadsReportTable extends Component {
	constructor() {
		super();

		this.getHeadersContent = this.getHeadersContent.bind( this );
		this.getRowsContent = this.getRowsContent.bind( this );
		this.getSummary = this.getSummary.bind( this );
	}

	getHeadersContent() {
		return [
			{
				label: __( 'Date', 'woocommerce-admin' ),
				key: 'date',
				defaultSort: true,
				required: true,
				isLeftAligned: true,
				isSortable: true,
			},
			{
				label: __( 'Product Title', 'woocommerce-admin' ),
				key: 'product',
				isSortable: true,
				required: true,
			},
			{
				label: __( 'File Name', 'woocommerce-admin' ),
				key: 'file_name',
			},
			{
				label: __( 'Order #', 'woocommerce-admin' ),
				screenReaderLabel: __( 'Order Number', 'woocommerce-admin' ),
				key: 'order_number',
			},
			{
				label: __( 'Username', 'woocommerce-admin' ),
				key: 'user_id',
			},
			{
				label: __( 'IP', 'woocommerce-admin' ),
				key: 'ip_address',
			},
		];
	}

	getRowsContent( downloads ) {
		const { query } = this.props;
		const persistedQuery = getPersistedQuery( query );
		const dateFormat = getSetting( 'dateFormat', defaultTableDateFormat );

		return map( downloads, ( download ) => {
			const {
				_embedded,
				date,
				file_name: fileName,
				file_path: filePath,
				ip_address: ipAddress,
				order_id: orderId,
				order_number: orderNumber,
				product_id: productId,
				username,
			} = download;
			const { name: productName } = _embedded.product[ 0 ];

			const productLink = getNewPath(
				persistedQuery,
				'/analytics/products',
				{
					filter: 'single_product',
					products: productId,
				}
			);

			return [
				{
					display: (
						<Date date={ date } visibleFormat={ dateFormat } />
					),
					value: date,
				},
				{
					display: (
						<Link href={ productLink } type="wc-admin">
							{ productName }
						</Link>
					),
					value: productName,
				},
				{
					display: (
						<Link href={ filePath } type="external">
							{ fileName }
						</Link>
					),
					value: fileName,
				},
				{
					display: (
						<Link
							href={ getAdminLink(
								`post.php?post=${ orderId }&action=edit`
							) }
							type="wp-admin"
						>
							{ orderNumber }
						</Link>
					),
					value: orderNumber,
				},
				{
					display: username,
					value: username,
				},
				{
					display: ipAddress,
					value: ipAddress,
				},
			];
		} );
	}

	getSummary( totals ) {
		const { download_count: downloadCount = 0 } = totals;
		const { query } = this.props;
		const dates = getCurrentDates( query );
		const after = moment( dates.primary.after );
		const before = moment( dates.primary.before );
		const days = before.diff( after, 'days' ) + 1;

		return [
			{
				label: _n( 'day', 'days', days, 'woocommerce-admin' ),
				value: formatValue( 'number', days ),
			},
			{
				label: _n(
					'download',
					'downloads',
					downloadCount,
					'woocommerce-admin'
				),
				value: formatValue( 'number', downloadCount ),
			},
		];
	}

	render() {
		const { query, filters, advancedFilters } = this.props;

		return (
			<ReportTable
				endpoint="downloads"
				getHeadersContent={ this.getHeadersContent }
				getRowsContent={ this.getRowsContent }
				getSummary={ this.getSummary }
				query={ query }
				tableQuery={ {
					_embed: true,
				} }
				title={ __( 'Downloads', 'woocommerce-admin' ) }
				columnPrefsKey="downloads_report_columns"
				filters={ filters }
				advancedFilters={ advancedFilters }
			/>
		);
	}
}