<?php

namespace LiteSpeed;

defined( 'WPINC' ) || exit;

$logs =
	array(
		array(
			'name' => 'debug',
			'label' => esc_html__( 'Debug Log', 'litespeed-cache' ),
			'accesskey' => 'A',
		),
		array(
			'name' => 'debug.purge',
			'label' => esc_html__( 'Purge Log', 'litespeed-cache' ),
			'accesskey' => 'B',
		),
		array(
			'name' => 'crawler',
			'label' => esc_html__( 'Crawler Log', 'litespeed-cache' ),
			'accesskey' => 'C',
		),
	);

/**
 * Return a subnav button (subtab)
 * @since  4.7
 */
function subnav_link( $item ) {
	$class = 'button ';
	$subtab = '';

	if ( ! isset( $item['url'] ) ) {
		$class .= 'button-secondary';
		$subtab_name = "{$item['name']}_log";
		$subtab = "data-litespeed-subtab='{$subtab_name}'";
		$url ="#{$subtab_name}";
	}
	else {
		$class .= 'button-primary';
		$url = $item['url'];
	}

	$accesskey =
		isset( $item['accesskey'] )
		? "litespeed-accesskey='{$item['accesskey']}'"
		: '';
	$label = isset( $item['label'] ) ? $item['label'] : $item['name'];

	return "<a href='{$url}' class='{$class}' {$subtab} {$accesskey}>{$label}</a>";
}

/**
 * Print a button to clear all logs
 * @since  4.7
 */
function clear_logs_link( $accesskey = null ) {
	$item =
		array(
			'label' => esc_html__( 'Clear Logs', 'litespeed-cache' ),
			'url' => Utility::build_url( Router::ACTION_DEBUG2, Debug2::TYPE_CLEAR_LOG ),
		);
	if ( null !== $accesskey ) {
		$item['accesskey'] = $accesskey;
	}
	echo subnav_link( $item );
}

$subnav_links = array();
$log_views = array();

foreach( $logs as $log ) {
	$subnav_links[] = subnav_link( $log );

	$file = LSCWP_CONTENT_DIR . "/{$log['name']}.log";
	$lines = File::count_lines( $file );
	$start = $lines > 1000 ? $lines - 1000 : 0;
	$lines = File::read( $file, $start );
	$lines = $lines ? trim( implode( "\n", $lines ) ) : '';

	$log_views[] =
		"<div class='litespeed-log-view-wrapper' data-litespeed-sublayout='{$log['name']}_log'>"
			. "<h3 class='litespeed-title'>{$log['label']}</h3>"
			. '<div class="litespeed-log-body">'
				. nl2br( htmlspecialchars( $lines ) )
			. '</div>'
		. '</div>';
}
?>

<h3 class="litespeed-title">
	<?php esc_html_e( 'LiteSpeed Logs', 'litespeed-cache' ); ?>
	<?php Doc::learn_more( 'https://docs.litespeedtech.com/lscache/lscwp/toolbox/#log-view-tab' ); ?>
</h3>

<div class="litespeed-log-subnav-wrapper">
	<?php echo implode( "\n", $subnav_links ); ?>
	<?php clear_logs_link( 'D' ); ?>
</div>

<?php echo implode( "\n", $log_views ); ?>

<?php
clear_logs_link();