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<?php declare(strict_types = 1);
/**
 * Request and response headers output for HTML pages.
 *
 * @package query-monitor
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class QM_Output_Html_Headers extends QM_Output_Html {

	/**
	 * Collector instance.
	 *
	 * @var QM_Collector_Raw_Request Collector.
	 */
	protected $collector;

	public function __construct( QM_Collector $collector ) {
		parent::__construct( $collector );
		add_filter( 'qm/output/panel_menus', array( $this, 'panel_menu' ), 20 );
	}

	/**
	 * Collector name.
	 *
	 * This is unused.
	 *
	 * @return string
	 */
	public function name() {
		return __( 'Request Data', 'query-monitor' );
	}

	/**
	 * @return void
	 */
	public function output() {
		$this->output_request();
		$this->output_response();
	}

	/**
	 * @return void
	 */
	public function output_request() {
		/** @var QM_Data_Raw_Request $data */
		$data = $this->collector->get_data();

		$this->before_tabular_output();

		$this->output_header_table( $data->request['headers'], __( 'Request Header Name', 'query-monitor' ) );

		$this->after_tabular_output();
	}

	/**
	 * @return void
	 */
	public function output_response() {
		/** @var QM_Data_Raw_Request $data */
		$data = $this->collector->get_data();
		$id = sprintf( 'qm-%s-response', $this->collector->id );

		$this->before_tabular_output( $id );

		$this->output_header_table( $data->response['headers'], __( 'Response Header Name', 'query-monitor' ) );

		$this->after_tabular_output();
	}

	/**
	 * @param array<string, string> $headers
	 * @param string $title
	 * @return void
	 */
	protected function output_header_table( array $headers, $title ) {
		echo '<thead>';
		echo '<tr>';
		echo '<th>';
		echo esc_html( $title );
		echo '</th><th>';
		esc_html_e( 'Value', 'query-monitor' );
		echo '</th></tr>';
		echo '<tbody>';

		foreach ( $headers as $name => $value ) {
			echo '<tr>';
			$formatted = str_replace( ' ', '-', ucwords( strtolower( str_replace( array( '-', '_' ), ' ', $name ) ) ) );
			printf( '<th scope="row"><code>%s</code></th>', esc_html( $formatted ) );
			printf( '<td><pre class="qm-pre-wrap"><code>%s</code></pre></td>', esc_html( $value ) );
			echo '</tr>';
		}

		echo '</tbody>';

		echo '<tfoot>';
		echo '<tr>';
		echo '<td colspan="2">';
		esc_html_e( 'Note that header names are not case-sensitive.', 'query-monitor' );
		echo '</td>';
		echo '</tr>';
		echo '</tfoot>';
	}

	/**
	 * @param array<string, mixed[]> $menu
	 * @return array<string, mixed[]>
	 */
	public function panel_menu( array $menu ) {
		if ( ! isset( $menu['qm-request'] ) ) {
			return $menu;
		}

		$ids = array(
			$this->collector->id() => __( 'Request Headers', 'query-monitor' ),
			$this->collector->id() . '-response' => __( 'Response Headers', 'query-monitor' ),
		);
		foreach ( $ids as $id => $title ) {
			$menu['qm-request']['children'][] = array(
				'id' => $id,
				'href' => '#' . $id,
				'title' => esc_html( $title ),
			);
		}

		return $menu;
	}
}

/**
 * @param array<string, QM_Output> $output
 * @param QM_Collectors $collectors
 * @return array<string, QM_Output>
 */
function register_qm_output_html_headers( array $output, QM_Collectors $collectors ) {
	$collector = QM_Collectors::get( 'raw_request' );
	if ( $collector ) {
		$output['raw_request'] = new QM_Output_Html_Headers( $collector );
	}
	return $output;
}

add_filter( 'qm/outputter/html', 'register_qm_output_html_headers', 100, 2 );