<?php
/**
 * Plugin Name: Widget CSS Classes
 * Version: 1.5.2.1
 * Description: Add custom, first, last, even, odd, and numbered classes to your widgets.
 * Author: C.M. Kendrick
 * Author URI: http://cleverness.org
 * Plugin URI: http://cleverness.org/plugins/widget-css-classes
 * Text Domain: widget-css-classes
 */

add_action( 'init', 'widget_css_classes_loader' );
add_action( 'wp_loaded', 'widget_css_classes_frontend_hook' );

/**
 * Define constants and load the plugin
 * @since 1.0
 */
function widget_css_classes_loader() {

	$languages_path = plugin_basename( dirname( __FILE__ ) . '/languages' );
	load_plugin_textdomain( 'widget-css-classes', false, $languages_path );

	// Load plugin settings
	include_once 'includes/widget-css-classes-library.class.php';
	WCSSC_Lib::set_settings( get_option( WCSSC_Lib::$settings_key ) );

	if ( is_admin() ) {

		if ( ! defined( 'WCSSC_PLUGIN_VERSION' ) ) define( 'WCSSC_PLUGIN_VERSION', '1.5.2.1' );
		if ( ! defined( 'WCSSC_FILE' ) ) define( 'WCSSC_FILE', __FILE__ );
		if ( ! defined( 'WCSSC_BASENAME' ) ) define( 'WCSSC_BASENAME', plugin_basename( __FILE__ ) );
		if ( ! defined( 'WCSSC_PLUGIN_DIR' ) ) define( 'WCSSC_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
		if ( ! defined( 'WCSSC_PLUGIN_URL' ) ) define( 'WCSSC_PLUGIN_URL', plugins_url( '', __FILE__ ) );

		include_once 'includes/widget-css-classes-loader.class.php';
		WCSSC_Loader::init();

	}
}

/**
 * Call the following hook at wp_loaded
 * It must be added after register_sidebars is called
 */
function widget_css_classes_frontend_hook() {
	if ( ! is_admin() ) {
		include_once 'includes/widget-css-classes.class.php';
		WCSSC::init_front();
		add_filter( 'dynamic_sidebar_params', array( 'WCSSC', 'add_widget_classes' ) );
	}
}

/**
 * Install plugin
 */
function widget_css_classes_activation() {
	global $wp_version;

	if ( version_compare( $wp_version, '3.3', '<' ) ) {
		// Add admin notice.
		add_action( 'admin_notices', 'widget_css_classes_notice_wp_version' );
		// Deactivate.
		require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
		deactivate_plugins( plugin_basename( __FILE__ ) );
		return;
	}

	if ( ! defined( 'WCSSC_BASENAME' ) ) define( 'WCSSC_BASENAME', plugin_basename( __FILE__ ) );
	if ( ! defined( 'WCSSC_DB_VERSION' ) ) define( 'WCSSC_DB_VERSION', '1.5.2.1' );
	if ( ! defined( 'WCSSC_FILE' ) ) define( 'WCSSC_FILE', __FILE__ );
	include_once 'includes/widget-css-classes-library.class.php';

	if ( get_option( 'WCSSC_db_version' ) ) {
		$installed_ver = get_option( 'WCSSC_db_version' );
	} else {
		$installed_ver = 0;
	}

	// if the installed version is not the same as the current version, run the install function
	if ( (string) WCSSC_DB_VERSION !== (string) $installed_ver ) {
		WCSSC_Lib::install_plugin();
	}
}

register_activation_hook( __FILE__, 'widget_css_classes_activation' );

/**
 * Wrong WP version admin notice.
 */
function widget_css_classes_notice_wp_version() {
	echo '<div class="notice notice-error is-dismissible"><p>';
	echo sprintf(
		// Translators: %1$s stands for the WP version and %2$s stands for "Please update" (a link).
		esc_html__( 'Widget CSS Classes requires WordPress %1$s or newer. %2$s', 'widget-css-classes' ),
		'3.3',
		'<a target="_blank" href="http://codex.wordpress.org/Upgrading_WordPress">' . esc_html__( 'Please update', 'widget-css-classes' ) . '.</a>'
	);
	echo '</p></div>';
}
