<?php
/*
Plugin Name: Code Profiler
Plugin URI: https://code-profiler.com/
Description: A profiler to measure the performance of your WordPress plugins and themes.
Author: Jerome Bruandet ~ NinTechNet Ltd.
Author URI: https://nintechnet.com/
Version: 1.4
Network: true
License: GPLv3 or later
Text Domain: code-profiler
Domain Path: /languages
*/

define( 'CODE_PROFILER_VERSION', '1.4' );
/*
 +=====================================================================+
 |    ____          _        ____             __ _ _                   |
 |   / ___|___   __| | ___  |  _ \ _ __ ___  / _(_) | ___ _ __         |
 |  | |   / _ \ / _` |/ _ \ | |_) | '__/ _ \| |_| | |/ _ \ '__|        |
 |  | |__| (_) | (_| |  __/ |  __/| | | (_) |  _| | |  __/ |           |
 |   \____\___/ \__,_|\___| |_|   |_|  \___/|_| |_|_|\___|_|           |
 |                                                                     |
 |  (c) Jerome Bruandet ~ https://code-profiler.com/                   |
 +=====================================================================+
*/

if (! defined( 'ABSPATH' ) ) { die( 'Forbidden' ); }

// =====================================================================
// Menu functions
require __DIR__ .'/lib/menu.php';
// Helper (can be already loaded by the MU plugin)
require_once __DIR__ .'/lib/helper.php';
// AJAX calls
require __DIR__ .'/lib/ajax.php';
// =====================================================================
// Activation: make sure the blog meets the requirements.

function code_profiler_activate() {

	if (! current_user_can('activate_plugins') ) {
		exit( esc_html__( 'Your are not allowed to activate plugins.', 'code-profiler' ) );
	}

	global $wp_version;
	if ( version_compare( $wp_version, '4.7.0', '<' ) ) {
		exit( sprintf(
			esc_html__('Code Profiler requires WordPress %s or greater but your current version is %s.', 'code-profiler'),
			'4.7.0',
			esc_html( $wp_version )
		) );
	}

	if ( version_compare( PHP_VERSION, '7.1', '<' ) ) {
		exit( sprintf(
			esc_html__( 'Code Profiler requires PHP 7.1 or greater but your current version is %s.',
			'code-profiler' ),
			esc_html( PHP_VERSION )
		) );
	}

	// If the pro version is active, we refuse to run and throw an error message
	if ( is_plugin_active( 'code-profiler-pro/index.php' ) ) {
		exit( esc_html__('Code Profiler Pro is active on this site, please disable it first if you want to run the free version.', 'code-profiler') );
	}

	// Verify/create our storage folder
	code_profiler_check_uploadsdir();

	// If we don't have any options yet, create them
	$cp_options = get_option( 'code-profiler' );
	if ( $cp_options === false ) {
		code_profiler_default_options();
	}
}

register_activation_hook( __FILE__, 'code_profiler_activate' );

// =====================================================================
// Deactivation.

function code_profiler_deactivate() {

	if (! current_user_can('activate_plugins') ) {
		exit( esc_html__( 'Your are not allowed to deactivate plugins.', 'code-profiler' ) );
	}

	// Remove the MU plugin
	if ( file_exists( WPMU_PLUGIN_DIR .'/0----code-profiler.php' ) ) {
		unlink( WPMU_PLUGIN_DIR .'/0----code-profiler.php' );
	}
}

register_deactivation_hook( __FILE__, 'code_profiler_deactivate' );

// =====================================================================
// Create Profiler's menu.

function code_profiler_admin_menu() {

	// In a MU environment, only the superadmin can run Code Profiler
	if (! is_super_admin() ) {
		return;
	}

	add_menu_page(
		'Code Profiler',
		'Code Profiler',
		'manage_options',
		'code-profiler',
		'code_profiler_main_menu',
		plugins_url( '/static/dashicon-16x16.png', __FILE__ )
	);
}

add_action( 'admin_menu', 'code_profiler_admin_menu' );

// =====================================================================
// Register scripts and styles.

function code_profiler_enqueue( $hook ) {

	if (! is_super_admin() ) { return; }

	// Load files only if we're in Code Profiler's main page
	if ( $hook != 'toplevel_page_code-profiler' ) { return; }

	// We load Thickbox if we're viewing section 4 only
	if ( isset( $_REQUEST['section'] ) && $_REQUEST['section'] == 4 ) {
		$extra_js = array( 'jquery', 'thickbox' );
		$extra_css = array( 'thickbox' );
	} else {
		$extra_js = array( 'jquery' );
		$extra_css = null;
	}


	wp_enqueue_script(
		'code_profiler_javascript',
		plugin_dir_url( __FILE__ ) . 'static/code-profiler.js',
		$extra_js,
		CODE_PROFILER_VERSION
	);

	wp_enqueue_script(
		'code-profiler_tiptip',
		plugin_dir_url( __FILE__ ) .'static/vendor/jquery.tipTip.js',
		array( 'jquery' ),
		CODE_PROFILER_VERSION
	);

	wp_enqueue_style(
		'code-profiler_style',
		plugin_dir_url( __FILE__ ) . 'static/code-profiler.css',
		$extra_css,
		CODE_PROFILER_VERSION
	);

	// Enqueue Chart.js if we're viewing a profile
	if ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'view_profile' ) {
		wp_enqueue_script(
			'code_profiler_charts',
			plugin_dir_url( __FILE__ ) . 'static/vendor/chart.min.js',
			array( 'jquery' ),
			CODE_PROFILER_VERSION,
			// We load it in the footer, because some plugins loads it too
			// on every pages and that could mess with our pages
			true
		);
	}

	// JS i18n
	$code_profiler_i18n = array(
		'missing_nonce' =>
			esc_attr__('Security nonce is missing, try to reload the page.', 'code-profiler' ),
		'missing_frontbackend' =>
			esc_attr__('Please select either the fontend or backend option.', 'code-profiler' ),
		'missing_profilename' =>
			esc_attr__('Please enter a name for this profile.', 'code-profiler' ),
		'missing_userauth' =>
			esc_attr__('Please select whether the profiler should run as an authenticated user or not.', 'code-profiler' ),
		'missing_post' =>
			esc_attr__('Please select a page to profile.', 'code-profiler' ),
		'unknown_error' =>
			esc_attr__('Unknown error returned by AJAX', 'code-profiler' ),
		'http_error' =>
			esc_attr__('The HTTP server returned the following error:', 'code-profiler'),
		'unknown_error' =>
			esc_attr__('An unknown error occurred:', 'code-profiler'),
		'preparing_report' =>
			esc_attr__('Preparing report', 'code-profiler') .'...',
		'empty_log' =>
			esc_attr__('No records were found that match the specified search criteria.', 'code-profiler'),
		'delete_log' =>
			esc_attr__('Delete log?', 'code-profiler'),
		'delete_profile' =>
			esc_attr__('Delete this profile?', 'code-profiler'),
		// Charts
		'exec_sec_plugins' =>
			esc_attr__('Execution time in seconds', 'code-profiler'),
		'pc_plugins' =>
			/* Translators: xx% of all plugins and the theme */
			esc_attr__('% of all plugins and the theme', 'code-profiler'),
		'exec_tot_plugins_1' =>
			esc_attr__('Plugins and theme execution time, in seconds', 'code-profiler'),
		'chart_total' =>
			esc_attr__('total:', 'code-profiler'),
		'iolist_total_calls' =>
			esc_attr__('Total calls', 'code-profiler'),
		'io_calls' =>
			esc_attr__('File I/O operations', 'code-profiler'),
		'disk_io_bytes' =>
			esc_attr__('Total bytes', 'code-profiler'),
		'disk_io_title' =>
			esc_attr__('Total Disk I/O read and write, in bytes', 'code-profiler')

	);
	wp_localize_script( 'code_profiler_javascript', 'cpi18n', $code_profiler_i18n );
}

add_action( 'admin_enqueue_scripts', 'code_profiler_enqueue' );

// =====================================================================
// Display the settings link in the "Plugins" page.

function code_profiler_settings_link( $links ) {

   $links[] = '<a href="'. get_admin_url( null, 'admin.php?page=code-profiler') .
					'">'.	esc_html__('Start Profiling', 'code-profiler'). '</a>';
	$links[] = '<a style="font-weight:700;color:#006393;" href="https://code-profiler.com/" target="_blank">'.
					esc_html__('Go Pro', 'code-profiler'). '</a>';
	return $links;
}

add_filter( 'plugin_action_links_' . plugin_basename(__FILE__), 'code_profiler_settings_link' );

// =====================================================================
// WP CLI commands.

if ( defined( 'WP_CLI' ) && WP_CLI ) {
	require_once __DIR__ . '/lib/class-cli.php';
}
// =====================================================================
// EOF