<?php

// Exit if accessed directly
defined( 'ABSPATH' ) || exit;

class WWS_Debug {

	public function __construct() {
		add_action( 'template_redirect', array( $this, 'debug' ), 20 );
		add_filter( 'wws_debug_report', array( $this, 'plugin_custom_report' ), 20, 1 );
	}

	/**
	 * Display debug output
	 *
	 * @return void
	 */
	public function debug() {
		if ( ! isset( $_GET['wws_debug'] ) ) {
			return false;
		}
		if ( 'yes' === get_option( 'wws_debug_status' ) ) {
			printf( '<pre>%s</pre>', print_r( $this->report(), true ) );
			exit;
		}
	}

	/**
	 * Collect the report for the debug.
	 */
	public function report() {
		return apply_filters( 'wpzc_debug_report', array(
			'Site Information'            => array(
				'Site URL' => site_url(),
				'Home URL' => home_url(),
			),
			'Server Information'          => array(
				'PHP Version'            => PHP_VERSION,
				'Web Server Information' => $_SERVER['SERVER_SOFTWARE'],
			),
			'Current Page Information'  => array(
				'Page ID'   => get_the_ID(),
				'Post Type' => get_post_type(),
			),
			'WordPress Information'       => array(
				'Version' => get_bloginfo('version'),
			),
			'WordPress Activated Plugins' => $this->activated_plugins(),
			'WordPress Actions'           => $this->list_of_hooks(),
			'Plugin Admin Options'        => $this->admin_options(),
		) );
	}

	/**
	 * List of activate plugins.
	 */
	public function activated_plugins() {
		if ( ! function_exists( 'get_plugins' ) ) {
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

		$data = array();

		$active_plugins = get_option( 'active_plugins', array() );

		foreach ( get_plugins() as $plugin_path => $plugin ) {
			// If the plugin isn't active, don't show it.
			if ( ! in_array( $plugin_path, $active_plugins ) )
				continue;
			$data[$plugin['Name']] = $plugin['Version'] ;
		}

		return $data;
	}

	/**
	 * List of active hooks.
	 */
	public function list_of_hooks() {
		$hooks = array();

		foreach( $GLOBALS['wp_actions'] as $action => $count ) {
			$hooks[$action] = $count;
		}

		return $hooks;
	}

	/**
	 * Plugin admin options.
	 */
	public function admin_options() {
		// Load install class
		require_once WWS_PLUGIN_PATH . 'includes/class-wws-install.php';

		return WWS_Install::admin_options();
	}

	/**
	 * Custom admin report.
	 *
	 * @param array $report
	 */
	public function plugin_custom_report( $report ) {
		$custom_report = array();
		return array_merge( $report, $custom_report );
	}
}

$wws_debug = new WWS_Debug;