<?php
/**
 * Taxes by tax code report.
 *
 * @package     WooCommerce\Admin\Reports
 */

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

/**
 * WC_Report_Taxes_By_Code
 *
 * @package     WooCommerce\Admin\Reports
 * @version     2.1.0
 */
class WC_Report_Taxes_By_Code extends WC_Admin_Report {

	/**
	 * Get the legend for the main chart sidebar.
	 *
	 * @return array
	 */
	public function get_chart_legend() {
		return array();
	}

	/**
	 * Output an export link.
	 */
	public function get_export_button() {

		$current_range = ! empty( $_GET['range'] ) ? sanitize_text_field( wp_unslash( $_GET['range'] ) ) : 'last_month';
		?>
		<a
			href="#"
			download="report-<?php echo esc_attr( $current_range ); ?>-<?php echo esc_attr( date_i18n( 'Y-m-d', current_time( 'timestamp' ) ) ); ?>.csv"
			class="export_csv"
			data-export="table"
		>
			<?php esc_html_e( 'Export CSV', 'woocommerce' ); ?>
		</a>
		<?php
	}

	/**
	 * Output the report.
	 */
	public function output_report() {

		$ranges = array(
			'year'       => __( 'Year', 'woocommerce' ),
			'last_month' => __( 'Last month', 'woocommerce' ),
			'month'      => __( 'This month', 'woocommerce' ),
		);

		$current_range = ! empty( $_GET['range'] ) ? sanitize_text_field( wp_unslash( $_GET['range'] ) ) : 'last_month';

		if ( ! in_array( $current_range, array( 'custom', 'year', 'last_month', 'month', '7day' ) ) ) {
			$current_range = 'last_month';
		}

		$this->check_current_range_nonce( $current_range );
		$this->calculate_current_range( $current_range );

		$hide_sidebar = true;

		include WC()->plugin_path() . '/includes/admin/views/html-report-by-date.php';
	}

	/**
	 * Get the main chart.
	 */
	public function get_main_chart() {
		global $wpdb;

		$query_data = array(
			'order_item_name'     => array(
				'type'     => 'order_item',
				'function' => '',
				'name'     => 'tax_rate',
			),
			'tax_amount'          => array(
				'type'            => 'order_item_meta',
				'order_item_type' => 'tax',
				'function'        => '',
				'name'            => 'tax_amount',
			),
			'shipping_tax_amount' => array(
				'type'            => 'order_item_meta',
				'order_item_type' => 'tax',
				'function'        => '',
				'name'            => 'shipping_tax_amount',
			),
			'rate_id'             => array(
				'type'            => 'order_item_meta',
				'order_item_type' => 'tax',
				'function'        => '',
				'name'            => 'rate_id',
			),
			'ID'                  => array(
				'type'     => 'post_data',
				'function' => '',
				'name'     => 'post_id',
			),
		);

		$query_where = array(
			array(
				'key'      => 'order_item_type',
				'value'    => 'tax',
				'operator' => '=',
			),
			array(
				'key'      => 'order_item_name',
				'value'    => '',
				'operator' => '!=',
			),
		);

		// We exclude on-hold orders as they are still pending payment.
		$tax_rows_orders = $this->get_order_report_data(
			array(
				'data'         => $query_data,
				'where'        => $query_where,
				'order_by'     => 'posts.post_date ASC',
				'query_type'   => 'get_results',
				'filter_range' => true,
				'order_types'  => wc_get_order_types( 'sales-reports' ),
				'order_status' => array( 'completed', 'processing', 'refunded' ),
			)
		);

		$tax_rows_partial_refunds = $this->get_order_report_data(
			array(
				'data'                => $query_data,
				'where'               => $query_where,
				'order_by'            => 'posts.post_date ASC',
				'query_type'          => 'get_results',
				'filter_range'        => true,
				'order_types'         => array( 'shop_order_refund' ),
				'parent_order_status' => array( 'completed', 'processing' ), // Partial refunds inside refunded orders should be ignored.
			)
		);

		$tax_rows_full_refunds = $this->get_order_report_data(
			array(
				'data'                => $query_data,
				'where'               => $query_where,
				'order_by'            => 'posts.post_date ASC',
				'query_type'          => 'get_results',
				'filter_range'        => true,
				'order_types'         => array( 'shop_order_refund' ),
				'parent_order_status' => array( 'refunded' ),
			)
		);

		// Merge.
		$tax_rows = array();
		// Initialize an associative array to store unique post_ids.
		$unique_post_ids = array();

		foreach ( $tax_rows_orders + $tax_rows_partial_refunds as $tax_row ) {
			$key                                    = $tax_row->tax_rate;
			$tax_rows[ $key ]                       = isset( $tax_rows[ $key ] ) ? $tax_rows[ $key ] : (object) array(
				'tax_amount'          => 0,
				'shipping_tax_amount' => 0,
				'total_orders'        => 0,
			);
			$tax_rows[ $key ]->tax_rate             = $tax_row->tax_rate;
			$tax_rows[ $key ]->tax_amount          += wc_round_tax_total( $tax_row->tax_amount );
			$tax_rows[ $key ]->shipping_tax_amount += wc_round_tax_total( $tax_row->shipping_tax_amount );
			if ( ! isset( $unique_post_ids[ $key ] ) || ! in_array( $tax_row->post_id, $unique_post_ids[ $key ], true ) ) {
				$unique_post_ids[ $key ]         = isset( $unique_post_ids[ $key ] ) ? $unique_post_ids[ $key ] : array();
				$unique_post_ids[ $key ][]       = $tax_row->post_id;
				$tax_rows[ $key ]->total_orders += 1;
			}
		}

		foreach ( $tax_rows_full_refunds as $tax_row ) {
			$key                                    = $tax_row->tax_rate;
			$tax_rows[ $key ]                       = isset( $tax_rows[ $key ] ) ? $tax_rows[ $key ] : (object) array(
				'tax_amount'          => 0,
				'shipping_tax_amount' => 0,
				'total_orders'        => 0,
			);
			$tax_rows[ $key ]->tax_rate             = $tax_row->tax_rate;
			$tax_rows[ $key ]->tax_amount          += wc_round_tax_total( $tax_row->tax_amount );
			$tax_rows[ $key ]->shipping_tax_amount += wc_round_tax_total( $tax_row->shipping_tax_amount );
		}
		?>
		<table class="widefat">
			<thead>
				<tr>
					<th><?php esc_html_e( 'Tax', 'woocommerce' ); ?></th>
					<th><?php esc_html_e( 'Rate', 'woocommerce' ); ?></th>
					<th class="total_row"><?php esc_html_e( 'Number of orders', 'woocommerce' ); ?></th>
					<th class="total_row"><?php esc_html_e( 'Tax amount', 'woocommerce' ); ?> <?php echo wc_help_tip( __( 'This is the sum of the "Tax rows" tax amount within your orders.', 'woocommerce' ) ); ?></th>
					<th class="total_row"><?php esc_html_e( 'Shipping tax amount', 'woocommerce' ); ?> <?php echo wc_help_tip( __( 'This is the sum of the "Tax rows" shipping tax amount within your orders.', 'woocommerce' ) ); ?></th>
					<th class="total_row"><?php esc_html_e( 'Total tax', 'woocommerce' ); ?> <?php echo wc_help_tip( __( 'This is the total tax for the rate (shipping tax + product tax).', 'woocommerce' ) ); ?></th>
				</tr>
			</thead>
			<?php if ( ! empty( $tax_rows ) ) : ?>
				<tbody>
					<?php
					foreach ( $tax_rows as $rate_id => $tax_row ) {
						$rate = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %d;", $rate_id ) );
						?>
						<tr>
							<th scope="row"><?php echo wp_kses_post( apply_filters( 'woocommerce_reports_taxes_tax_rate', $tax_row->tax_rate, $rate_id, $tax_row ) ); ?></th>
							<td><?php echo wp_kses_post( apply_filters( 'woocommerce_reports_taxes_rate', $rate, $rate_id, $tax_row ) ); ?>%</td>
							<td class="total_row"><?php echo esc_html( $tax_row->total_orders ); ?></td>
							<td class="total_row"><?php echo wc_price( $tax_row->tax_amount ); // phpcs:ignore ?></td>
							<td class="total_row"><?php echo wc_price( $tax_row->shipping_tax_amount ); // phpcs:ignore ?></td>
							<td class="total_row"><?php echo wc_price( $tax_row->tax_amount + $tax_row->shipping_tax_amount ); // phpcs:ignore ?></td>
						</tr>
						<?php
					}
					?>
				</tbody>
				<tfoot>
					<tr>
						<th scope="row" colspan="3"><?php esc_html_e( 'Total', 'woocommerce' ); ?></th>
						<th class="total_row"><?php echo wc_price( wc_round_tax_total( array_sum( wp_list_pluck( (array) $tax_rows, 'tax_amount' ) ) ) ); // phpcs:ignore ?></th>
						<th class="total_row"><?php echo wc_price( wc_round_tax_total( array_sum( wp_list_pluck( (array) $tax_rows, 'shipping_tax_amount' ) ) ) ); // phpcs:ignore ?></th>
						<th class="total_row"><strong><?php echo wc_price( wc_round_tax_total( array_sum( wp_list_pluck( (array) $tax_rows, 'tax_amount' ) ) + array_sum( wp_list_pluck( (array) $tax_rows, 'shipping_tax_amount' ) ) ) ); // phpcs:ignore ?></strong></th>
					</tr>
				</tfoot>
			<?php else : ?>
				<tbody>
					<tr>
						<td><?php esc_html_e( 'No taxes found in this period', 'woocommerce' ); ?></td>
					</tr>
				</tbody>
			<?php endif; ?>
		</table>
		<?php
	}
}
