<?php
/**
 * @package    Adminimize
 * @subpackage Widget Setup
 * @author     Frank Bültge
 * @since      1.8.1  01/10/2013
 */
if ( ! function_exists( 'add_action' ) ) {
	echo "Hi there!  I'm just a part of plugin, not much I can do when called directly.";
	exit;
}

if ( ! is_admin() )
	return NULL;

function _mw_adminimize_get_all_widgets() {
	global $wp_widget_factory;
	
	if ( is_object( $wp_widget_factory ) )
		return $wp_widget_factory->widgets;
}

function _mw_adminimize_get_registered_widgets() {
	global $wp_registered_widgets;
	
	return $wp_registered_widgets;
}

function _mw_adminimize_get_sidebars_widgets() {
	global $sidebars_widgets;
	
	return $sidebars_widgets;
}

function _mw_adminimize_get_registered_sidebars() {
	global $wp_registered_sidebars;
	
	return $wp_registered_sidebars;
}

/**
 * Doing on load of widgets.php
 * 
 * @return  void 
 */
add_action( 'after_setup_theme', '_mw_adminimize_on_widgets_init' );
function _mw_adminimize_on_widgets_init() {
	
	if ( is_admin() && 'widgets.php' === $GLOBALS[ 'pagenow' ] ) {
		add_action( 'widgets_init', '_mw_adminimize_unregister_widgets' );
		add_action( 'widgets_init', '_mw_adminimize_unregister_sidebars', 9999 );
	}
}

/**
 * Remove widgets, areas for different roles
 * 
 * @return  void
 */
function _mw_adminimize_unregister_widgets() {
	
	if ( is_multisite() && is_plugin_active_for_network( MW_ADMIN_FILE ) )
		$adminimizeoptions = get_site_option( 'mw_adminimize' );
	else
		$adminimizeoptions = get_option( 'mw_adminimize' );
	
	if ( current_user_can( 'manage_options' ) ) {
		if ( is_multisite() && is_plugin_active_for_network( MW_ADMIN_FILE ) )
			update_site_option( 'mw_adminimize', $adminimizeoptions );
		else
			update_option( 'mw_adminimize', $adminimizeoptions );
	}
	
	// exclude super admin
	if ( _mw_adminimize_exclude_super_admin() )
		return NULL;
	
	$user_roles = _mw_adminimize_get_all_user_roles();
	
	foreach ( $user_roles as $role ) {
		$disabled_widget_option_[$role] = _mw_adminimize_get_option_value( 
			'mw_adminimize_disabled_widget_option_' . $role . '_items'
		);
	}
	
	foreach ( $user_roles as $role ) {
		if ( ! isset( $disabled_widget_option_[$role]['0'] ) )
			$disabled_widget_option_[$role]['0'] = '';
	}
	
	foreach ( $user_roles as $role ) {
		$user = wp_get_current_user();
		
		if ( is_array( $user->roles) && in_array( $role, $user->roles) ) {
			
			if ( current_user_can( $role ) && is_array( $disabled_widget_option_[$role] ) ) {
				foreach( $disabled_widget_option_[$role] as $widgets ) {
					unregister_widget( $widgets );
					$GLOBALS['wp_widget_factory']->unregister( $widgets );
					//unregister_sidebar_widget( 'Monster_Widget' );
				}
			}
			
		} // end if user roles
	}
	
}

/**
 * Remove sidebars for different roles
 * 
 * @return  void
 */
function _mw_adminimize_unregister_sidebars() {
	
	if ( is_multisite() && is_plugin_active_for_network( MW_ADMIN_FILE ) )
		$adminimizeoptions = get_site_option( 'mw_adminimize' );
	else
		$adminimizeoptions = get_option( 'mw_adminimize' );
	
	if ( current_user_can( 'manage_options' ) ) {
		if ( is_multisite() && is_plugin_active_for_network( MW_ADMIN_FILE ) )
			update_site_option( 'mw_adminimize', $adminimizeoptions );
		else
			update_option( 'mw_adminimize', $adminimizeoptions );
	}
	
	// exclude super admin
	if ( _mw_adminimize_exclude_super_admin() )
		return NULL;
	
	$user_roles = _mw_adminimize_get_all_user_roles();
	
	foreach ( $user_roles as $role ) {
		$disabled_widget_option_[$role] = _mw_adminimize_get_option_value( 
			'mw_adminimize_disabled_widget_option_' . $role . '_items'
		);
	}
	
	foreach ( $user_roles as $role ) {
		if ( ! isset( $disabled_widget_option_[$role]['0'] ) )
			$disabled_widget_option_[$role]['0'] = '';
	}
	
	foreach ( $user_roles as $role ) {
		$user = wp_get_current_user();
		
		if ( is_array( $user->roles) && in_array( $role, $user->roles) ) {
			
			if ( current_user_can( $role ) && is_array( $disabled_widget_option_[$role] ) ) {
				foreach( $disabled_widget_option_[$role] as $sidebar ) {
					unregister_sidebar( $sidebar );
				}
			}
			
		} // end if user roles
	}
	
}