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<?php
/**
 * Admin Dashboard
 *
 * @package     WooCommerce\Admin
 * @version     2.1.0
 */

use Automattic\Jetpack\Constants;
use Automattic\WooCommerce\Admin\Features\Features;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

if ( ! class_exists( 'WC_Admin_Dashboard', false ) ) :

/**
	 * WC_Admin_Dashboard Class.
	 */
	class WC_Admin_Dashboard {

/**
		 * Hook in tabs.
		 */
		public function __construct() {
			// Only hook in admin parts if the user has admin access.
			if ( $this->should_display_widget() ) {
				// If on network admin, only load the widget that works in that context and skip the rest.
				if ( is_multisite() && is_network_admin() ) {
					add_action( 'wp_network_dashboard_setup', array( $this, 'register_network_order_widget' ) );
				} else {
					add_action( 'wp_dashboard_setup', array( $this, 'init' ) );
				}
			}
		}

/**
		 * Init dashboard widgets.
		 */
		public function init() {
			// Reviews Widget.
			if ( current_user_can( 'publish_shop_orders' ) && post_type_supports( 'product', 'comments' ) ) {
				wp_add_dashboard_widget( 'woocommerce_dashboard_recent_reviews', __( 'WooCommerce Recent Reviews', 'woocommerce' ), array( $this, 'recent_reviews' ) );
			}
			wp_add_dashboard_widget( 'woocommerce_dashboard_status', __( 'WooCommerce Status', 'woocommerce' ), array( $this, 'status_widget' ) );

// Network Order Widget.
			if ( is_multisite() && is_main_site() ) {
				$this->register_network_order_widget();
			}
		}

/**
		 * Register the network order dashboard widget.
		 */
		public function register_network_order_widget() {
			wp_add_dashboard_widget( 'woocommerce_network_orders', __( 'WooCommerce Network Orders', 'woocommerce' ), array( $this, 'network_orders' ) );
		}

/**
		 * Check to see if we should display the widget.
		 *
		 * @return bool
		 */
		private function should_display_widget() {
			if ( ! WC()->is_wc_admin_active() ) {
				return false;
			}

$has_permission           = current_user_can( 'view_woocommerce_reports' ) || current_user_can( 'manage_woocommerce' ) || current_user_can( 'publish_shop_orders' );
			$task_completed_or_hidden = 'yes' === get_option( 'woocommerce_task_list_complete' ) || 'yes' === get_option( 'woocommerce_task_list_hidden' );
			return $task_completed_or_hidden && $has_permission;
		}

/**
		 * Get top seller from DB.
		 *
		 * @return object
		 */
		private function get_top_seller() {
			global $wpdb;

$query            = array();
			$query['fields']  = "SELECT SUM( order_item_meta.meta_value ) as qty, order_item_meta_2.meta_value as product_id
			FROM {$wpdb->posts} as posts";
			$query['join']    = "INNER JOIN {$wpdb->prefix}woocommerce_order_items AS order_items ON posts.ID = order_id ";
			$query['join']   .= "INNER JOIN {$wpdb->prefix}woocommerce_order_itemmeta AS order_item_meta ON order_items.order_item_id = order_item_meta.order_item_id ";
			$query['join']   .= "INNER JOIN {$wpdb->prefix}woocommerce_order_itemmeta AS order_item_meta_2 ON order_items.order_item_id = order_item_meta_2.order_item_id ";
			$query['where']   = "WHERE posts.post_type IN ( '" . implode( "','", wc_get_order_types( 'order-count' ) ) . "' ) ";
			$query['where']  .= "AND posts.post_status IN ( 'wc-" . implode( "','wc-", apply_filters( 'woocommerce_reports_order_statuses', array( 'completed', 'processing', 'on-hold' ) ) ) . "' ) ";
			$query['where']  .= "AND order_item_meta.meta_key = '_qty' ";
			$query['where']  .= "AND order_item_meta_2.meta_key = '_product_id' ";
			$query['where']  .= "AND posts.post_date >= '" . gmdate( 'Y-m-01', current_time( 'timestamp' ) ) . "' ";
			$query['where']  .= "AND posts.post_date <= '" . gmdate( 'Y-m-d H:i:s', current_time( 'timestamp' ) ) . "' ";
			$query['groupby'] = 'GROUP BY product_id';
			$query['orderby'] = 'ORDER BY qty DESC';
			$query['limits']  = 'LIMIT 1';

return $wpdb->get_row( implode( ' ', apply_filters( 'woocommerce_dashboard_status_widget_top_seller_query', $query ) ) ); //phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
		}

/**
		 * Get sales report data.
		 *
		 * @return object
		 */
		private function get_sales_report_data() {
			include_once dirname( __FILE__ ) . '/reports/class-wc-report-sales-by-date.php';

$sales_by_date                 = new WC_Report_Sales_By_Date();
			$sales_by_date->start_date     = strtotime( gmdate( 'Y-m-01', current_time( 'timestamp' ) ) );
			$sales_by_date->end_date       = strtotime( gmdate( 'Y-m-d', current_time( 'timestamp' ) ) );
			$sales_by_date->chart_groupby  = 'day';
			$sales_by_date->group_by_query = 'YEAR(posts.post_date), MONTH(posts.post_date), DAY(posts.post_date)';

return $sales_by_date->get_report_data();
		}

/**
		 * Show status widget.
		 */
		public function status_widget() {
			$suffix  = Constants::is_true( 'SCRIPT_DEBUG' ) ? '' : '.min';
			$version = Constants::get_constant( 'WC_VERSION' );

wp_enqueue_script( 'wc-status-widget', WC()->plugin_url() . '/assets/js/admin/wc-status-widget' . $suffix . '.js', array( 'jquery' ), $version, true );

include_once dirname( __FILE__ ) . '/reports/class-wc-admin-report.php';

//phpcs:ignore
			$is_wc_admin_disabled = apply_filters( 'woocommerce_admin_disabled', false ) || ! Features::is_enabled( 'analytics' );

$reports = new WC_Admin_Report();

$net_sales_link  = 'admin.php?page=wc-reports&tab=orders&range=month';
			$top_seller_link = 'admin.php?page=wc-reports&tab=orders&report=sales_by_product&range=month&product_ids=';
			$report_data     = $is_wc_admin_disabled ? $this->get_sales_report_data() : $this->get_wc_admin_performance_data();
			if ( ! $is_wc_admin_disabled ) {
				$net_sales_link  = 'admin.php?page=wc-admin&path=%2Fanalytics%2Frevenue&chart=net_revenue&orderby=net_revenue&period=month&compare=previous_period';
				$top_seller_link = 'admin.php?page=wc-admin&filter=single_product&path=%2Fanalytics%2Fproducts&products=';
			}

echo '<ul class="wc_status_list">';

if ( current_user_can( 'view_woocommerce_reports' ) ) {

if ( $report_data ) {
					?>
				<li class="sales-this-month">
				<a href="<?php echo esc_url( admin_url( $net_sales_link ) ); ?>">
					<?php echo $this->sales_sparkline( $reports, $is_wc_admin_disabled, '' ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped ?>
					<?php
						printf(
							/* translators: %s: net sales */
							esc_html__( '%s net sales this month', 'woocommerce' ),
							'<strong>' . wc_price( $report_data->net_sales ) . '</strong>'
						); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
					?>
					</a>
				</li>
					<?php
				}

$top_seller = $this->get_top_seller();
				if ( $top_seller && $top_seller->qty ) {
					?>
				<li class="best-seller-this-month">
				<a href="<?php echo esc_url( admin_url( $top_seller_link . $top_seller->product_id ) ); ?>">
					<?php echo $this->sales_sparkline( $reports, $is_wc_admin_disabled, $top_seller->product_id, 'count' ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped ?>
					<?php
						printf(
							/* translators: 1: top seller product title 2: top seller quantity */
							esc_html__( '%1$s top seller this month (sold %2$d)', 'woocommerce' ),
							'<strong>' . get_the_title( $top_seller->product_id ) . '</strong>',
							$top_seller->qty
						); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
					?>
					</a>
				</li>
					<?php
				}
			}

$this->status_widget_order_rows();
			if ( get_option( 'woocommerce_manage_stock' ) === 'yes' ) {
				$this->status_widget_stock_rows( $is_wc_admin_disabled );
			}

do_action( 'woocommerce_after_dashboard_status_widget', $reports );
			echo '</ul>';
		}

/**
		 * Show order data is status widget.
		 */
		private function status_widget_order_rows() {
			if ( ! current_user_can( 'edit_shop_orders' ) ) {
				return;
			}
			$on_hold_count    = 0;
			$processing_count = 0;

foreach ( wc_get_order_types( 'order-count' ) as $type ) {
				$counts            = (array) wp_count_posts( $type );
				$on_hold_count    += isset( $counts['wc-on-hold'] ) ? $counts['wc-on-hold'] : 0;
				$processing_count += isset( $counts['wc-processing'] ) ? $counts['wc-processing'] : 0;
			}
			?>
			<li class="processing-orders">
			<a href="<?php echo esc_url( admin_url( 'edit.php?post_status=wc-processing&post_type=shop_order' ) ); ?>">
				<?php
					printf(
						/* translators: %s: order count */
						_n( '<strong>%s order</strong> awaiting processing', '<strong>%s orders</strong> awaiting processing', $processing_count, 'woocommerce' ),
						$processing_count
					); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
				?>
				</a>
			</li>
			<li class="on-hold-orders">
				<a href="<?php echo esc_url( admin_url( 'edit.php?post_status=wc-on-hold&post_type=shop_order' ) ); ?>">
				<?php
					printf(
						/* translators: %s: order count */
						_n( '<strong>%s order</strong> on-hold', '<strong>%s orders</strong> on-hold', $on_hold_count, 'woocommerce' ),
						$on_hold_count
					); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
				?>
				</a>
			</li>
			<?php
		}

/**
		 * Show stock data is status widget.
		 *
		 * @param bool $is_wc_admin_disabled if woocommerce admin is disabled.
		 */
		private function status_widget_stock_rows( $is_wc_admin_disabled ) {
			global $wpdb;

// Requires lookup table added in 3.6.
			if ( version_compare( get_option( 'woocommerce_db_version', null ), '3.6', '<' ) ) {
				return;
			}

$stock   = absint( max( get_option( 'woocommerce_notify_low_stock_amount' ), 1 ) );
			$nostock = absint( max( get_option( 'woocommerce_notify_no_stock_amount' ), 0 ) );

$transient_name   = 'wc_low_stock_count';
			$lowinstock_count = get_transient( $transient_name );

if ( false === $lowinstock_count ) {
				/**
				 * Status widget low in stock count pre query.
				 *
				 * @since 4.3.0
				 * @param null|string $low_in_stock_count Low in stock count, by default null.
				 * @param int         $stock              Low stock amount.
				 * @param int         $nostock            No stock amount
				 */
				$lowinstock_count = apply_filters( 'woocommerce_status_widget_low_in_stock_count_pre_query', null, $stock, $nostock );

if ( is_null( $lowinstock_count ) ) {
					$lowinstock_count = $wpdb->get_var(
						$wpdb->prepare(
							"SELECT COUNT( product_id )
							FROM {$wpdb->wc_product_meta_lookup} AS lookup
							INNER JOIN {$wpdb->posts} as posts ON lookup.product_id = posts.ID
							WHERE stock_quantity <= %d
							AND stock_quantity > %d
							AND posts.post_status = 'publish'",
							$stock,
							$nostock
						)
					);
				}

set_transient( $transient_name, (int) $lowinstock_count, DAY_IN_SECONDS * 30 );
			}

$transient_name   = 'wc_outofstock_count';
			$outofstock_count = get_transient( $transient_name );
			$lowstock_link    = 'admin.php?page=wc-reports&tab=stock&report=low_in_stock';
			$outofstock_link  = 'admin.php?page=wc-reports&tab=stock&report=out_of_stock';

if ( false === $is_wc_admin_disabled ) {
				$lowstock_link   = 'admin.php?page=wc-admin&type=lowstock&path=%2Fanalytics%2Fstock';
				$outofstock_link = 'admin.php?page=wc-admin&type=outofstock&path=%2Fanalytics%2Fstock';
			}

if ( false === $outofstock_count ) {
				/**
				 * Status widget out of stock count pre query.
				 *
				 * @since 4.3.0
				 * @param null|string $outofstock_count Out of stock count, by default null.
				 * @param int         $nostock          No stock amount
				 */
				$outofstock_count = apply_filters( 'woocommerce_status_widget_out_of_stock_count_pre_query', null, $nostock );

if ( is_null( $outofstock_count ) ) {
					$outofstock_count = (int) $wpdb->get_var(
						$wpdb->prepare(
							"SELECT COUNT( product_id )
							FROM {$wpdb->wc_product_meta_lookup} AS lookup
							INNER JOIN {$wpdb->posts} as posts ON lookup.product_id = posts.ID
							WHERE stock_quantity <= %d
							AND posts.post_status = 'publish'",
							$nostock
						)
					);
				}

set_transient( $transient_name, (int) $outofstock_count, DAY_IN_SECONDS * 30 );
			}
			?>
			<li class="low-in-stock">
			<a href="<?php echo esc_url( admin_url( $lowstock_link ) ); ?>">
				<?php
					printf(
						/* translators: %s: order count */
						_n( '<strong>%s product</strong> low in stock', '<strong>%s products</strong> low in stock', $lowinstock_count, 'woocommerce' ),
						$lowinstock_count
					); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
				?>
				</a>
			</li>
			<li class="out-of-stock">
				<a href="<?php echo esc_url( admin_url( $outofstock_link ) ); ?>">
				<?php
					printf(
						/* translators: %s: order count */
						_n( '<strong>%s product</strong> out of stock', '<strong>%s products</strong> out of stock', $outofstock_count, 'woocommerce' ),
						$outofstock_count
					); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
				?>
				</a>
			</li>
			<?php
		}

/**
		 * Recent reviews widget.
		 */
		public function recent_reviews() {
			global $wpdb;

$query_from = apply_filters(
				'woocommerce_report_recent_reviews_query_from',
				"FROM {$wpdb->comments} comments
				LEFT JOIN {$wpdb->posts} posts ON (comments.comment_post_ID = posts.ID)
				WHERE comments.comment_approved = '1'
				AND comments.comment_type = 'review'
				AND posts.post_password = ''
				AND posts.post_type = 'product'
				AND comments.comment_parent = 0
				ORDER BY comments.comment_date_gmt DESC
				LIMIT 5"
			);

$comments = $wpdb->get_results(
				"SELECT posts.ID, posts.post_title, comments.comment_author, comments.comment_author_email, comments.comment_ID, comments.comment_content {$query_from};" // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
			);

if ( $comments ) {
				echo '<ul>';
				foreach ( $comments as $comment ) {

echo '<li>';

echo get_avatar( $comment->comment_author_email, '32' );

$rating = intval( get_comment_meta( $comment->comment_ID, 'rating', true ) );

/* translators: %s: rating */
					echo '<div class="star-rating"><span style="width:' . esc_attr( $rating * 20 ) . '%">' . sprintf( esc_html__( '%s out of 5', 'woocommerce' ), esc_html( $rating ) ) . '</span></div>';

/* translators: %s: review author */
					echo '<h4 class="meta"><a href="' . esc_url( get_permalink( $comment->ID ) ) . '#comment-' . esc_attr( absint( $comment->comment_ID ) ) . '">' . esc_html( apply_filters( 'woocommerce_admin_dashboard_recent_reviews', $comment->post_title, $comment ) ) . '</a> ' . sprintf( esc_html__( 'reviewed by %s', 'woocommerce' ), esc_html( $comment->comment_author ) ) . '</h4>';
					echo '<blockquote>' . wp_kses_data( $comment->comment_content ) . '</blockquote></li>';

}
				echo '</ul>';
			} else {
				echo '<p>' . esc_html__( 'There are no product reviews yet.', 'woocommerce' ) . '</p>';
			}
		}

/**
		 * Network orders widget.
		 */
		public function network_orders() {
			$suffix  = Constants::is_true( 'SCRIPT_DEBUG' ) ? '' : '.min';
			$version = Constants::get_constant( 'WC_VERSION' );

wp_enqueue_style( 'wc-network-orders', WC()->plugin_url() . '/assets/css/network-order-widget.css', array(), $version );

wp_enqueue_script( 'wc-network-orders', WC()->plugin_url() . '/assets/js/admin/network-orders' . $suffix . '.js', array( 'jquery', 'underscore' ), $version, true );

$user     = wp_get_current_user();
			$blogs    = get_blogs_of_user( $user->ID );
			$blog_ids = wp_list_pluck( $blogs, 'userblog_id' );

wp_localize_script(
				'wc-network-orders',
				'woocommerce_network_orders',
				array(
					'nonce'          => wp_create_nonce( 'wp_rest' ),
					'sites'          => array_values( $blog_ids ),
					'order_endpoint' => get_rest_url( null, 'wc/v3/orders/network' ),
				)
			);
			?>
			<div class="post-type-shop_order">
			<div id="woocommerce-network-order-table-loading" class="woocommerce-network-order-table-loading is-active">
				<p>
					<span class="spinner is-active"></span> <?php esc_html_e( 'Loading network orders', 'woocommerce' ); ?>
				</p>

</div>
			<table id="woocommerce-network-order-table" class="woocommerce-network-order-table">
				<thead>
					<tr>
						<td><?php esc_html_e( 'Order', 'woocommerce' ); ?></td>
						<td><?php esc_html_e( 'Status', 'woocommerce' ); ?></td>
						<td><?php esc_html_e( 'Total', 'woocommerce' ); ?></td>
					</tr>
				</thead>
				<tbody id="network-orders-tbody">

</tbody>
			</table>
			<div id="woocommerce-network-orders-no-orders" class="woocommerce-network-orders-no-orders">
				<p>
					<?php esc_html_e( 'No orders found', 'woocommerce' ); ?>
				</p>
			</div>
			<?php // @codingStandardsIgnoreStart ?>
			<script type="text/template" id="network-orders-row-template">
				<tr>
					<td>
						<a href="<%- edit_url %>" class="order-view"><strong>#<%- number %> <%- customer %></strong></a>
						<br>
						<em>
							<%- blog.blogname %>
						</em>
					</td>
					<td>
						<mark class="order-status status-<%- status %>"><span><%- status_name %></span></mark>
					</td>
					<td>
						<%= formatted_total %>
					</td>
				</tr>
			</script>
			<?php // @codingStandardsIgnoreEnd ?>
		</div>
			<?php
		}

/**
		 * Gets the sales performance data from the new WooAdmin store.
		 *
		 * @return stdClass|WP_Error|WP_REST_Response
		 */
		private function get_wc_admin_performance_data() {
			$request    = new \WP_REST_Request( 'GET', '/wc-analytics/reports/performance-indicators' );
			$start_date = gmdate( 'Y-m-01 00:00:00', current_time( 'timestamp' ) );
			$end_date   = gmdate( 'Y-m-d 23:59:59', current_time( 'timestamp' ) );
			$request->set_query_params(
				array(
					'before' => $end_date,
					'after'  => $start_date,
					'stats'  => 'revenue/total_sales,revenue/net_revenue,orders/orders_count,products/items_sold,variations/items_sold',
				)
			);
			$response = rest_do_request( $request );

if ( is_wp_error( $response ) ) {
				return $response;
			}

if ( 200 !== $response->get_status() ) {
				return new \WP_Error( 'woocommerce_analytics_performance_indicators_result_failed', __( 'Sorry, fetching performance indicators failed.', 'woocommerce' ) );
			}
			$report_keys      = array(
				'net_revenue' => 'net_sales',
			);
			$performance_data = new stdClass();
			foreach ( $response->get_data() as $indicator ) {
				if ( isset( $indicator['chart'] ) && isset( $indicator['value'] ) ) {
					$key                    = isset( $report_keys[ $indicator['chart'] ] ) ? $report_keys[ $indicator['chart'] ] : $indicator['chart'];
					$performance_data->$key = $indicator['value'];
				}
			}
			return $performance_data;
		}

/**
		 * Overwrites the original sparkline to use the new reports data if WooAdmin is enabled.
		 * Prepares a sparkline to show sales in the last X days.
		 *
		 * @param  WC_Admin_Report $reports old class for getting reports.
		 * @param  bool            $is_wc_admin_disabled If WC Admin is disabled or not.
		 * @param  int             $id ID of the product to show. Blank to get all orders.
		 * @param  string          $type Type of sparkline to get. Ignored if ID is not set.
		 * @return string
		 */
		private function sales_sparkline( $reports, $is_wc_admin_disabled = false, $id = '', $type = 'sales' ) {
			$days = max( 7, gmdate( 'd', current_time( 'timestamp' ) ) );
			if ( $is_wc_admin_disabled ) {
				return $reports->sales_sparkline( $id, $days, $type );
			}
			$sales_endpoint = '/wc-analytics/reports/revenue/stats';
			$start_date     = gmdate( 'Y-m-d 00:00:00', current_time( 'timestamp' ) - ( ( $days - 1 ) * DAY_IN_SECONDS ) );
			$end_date       = gmdate( 'Y-m-d 23:59:59', current_time( 'timestamp' ) );
			$meta_key       = 'net_revenue';
			$params         = array(
				'order'    => 'asc',
				'interval' => 'day',
				'per_page' => 100,
				'before'   => $end_date,
				'after'    => $start_date,
			);
			if ( $id ) {
				$sales_endpoint     = '/wc-analytics/reports/products/stats';
				$meta_key           = ( 'sales' === $type ) ? 'net_revenue' : 'items_sold';
				$params['products'] = $id;
			}
			$request          = new \WP_REST_Request( 'GET', $sales_endpoint );
			$params['fields'] = array( $meta_key );
			$request->set_query_params( $params );

$response = rest_do_request( $request );

if ( is_wp_error( $response ) ) {
				return $response;
			}

$resp_data = $response->get_data();
			$data      = $resp_data['intervals'];

$sparkline_data = array();
			$total          = 0;
			foreach ( $data as $d ) {
				$total += $d['subtotals']->$meta_key;
				array_push( $sparkline_data, array( strval( strtotime( $d['interval'] ) * 1000 ), $d['subtotals']->$meta_key ) );
			}

if ( 'sales' === $type ) {
				/* translators: 1: total income 2: days */
				$tooltip = sprintf( __( 'Sold %1$s worth in the last %2$d days', 'woocommerce' ), strip_tags( wc_price( $total ) ), $days );
			} else {
				/* translators: 1: total items sold 2: days */
				$tooltip = sprintf( _n( 'Sold %1$d item in the last %2$d days', 'Sold %1$d items in the last %2$d days', $total, 'woocommerce' ), $total, $days );
			}

return '<span class="wc_sparkline ' . ( ( 'sales' === $type ) ? 'lines' : 'bars' ) . ' tips" data-color="#777" data-tip="' . esc_attr( $tooltip ) . '" data-barwidth="' . 60 * 60 * 16 * 1000 . '" data-sparkline="' . wc_esc_json( wp_json_encode( $sparkline_data ) ) . '"></span>';
		}
	}

endif;

return new WC_Admin_Dashboard();