<?php
/**
 *  Apply body classes based on device
 *
 * 	@since    1.0.0
 * 	@return   string classname
 */
class AesopBrowserClasses {

	public function __construct() {

		add_filter( 'body_class',  array( $this, 'browser_body_class' ) );
	}
	public function is_silk_kindle() {
		$user_agent = trim( strtolower( $_SERVER['HTTP_USER_AGENT'] ) );
		if ( strrpos( $user_agent, 'silk/' ) != false && strrpos( $user_agent, 'silk-accelerated=' ) != false ) {
			return true; }
		else { return false; }
	}
	public function is_iphone() {
		$cn_is_iphone = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'iPhone' );
		if ( $cn_is_iphone ) {
			return true; }
		else { return false; }
	}
	public function is_ipod() {
		$cn_is_iphone = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'iPod' );
		if ( $cn_is_iphone ) {
			return true; }
		else { return false; }
	}
	public function is_ios() {
		if ( $this->is_iphone() || $this->is_ipad() || $this->is_ipod() ) {
			return true; }
		else { return false; }
	}

	public function is_android() { // detect ALL android devices
		$is_android = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'Android' );
		if ( $is_android ) {
			return true; }
		else { return false; }
	}
	public function is_android_mobile() { // detect ALL android devices
		$is_android   = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'Android' );
		$is_android_m = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'Mobile' );
		if ( $is_android && $is_android_m ) {
			return true; }
		else { return false; }
	}
	public function is_android_tablet() { // detect android tablets
		if ( self::is_android() && ! self::is_android_mobile() ) {
			return true; }
		else { return false; }
	}

	public function is_mobile_device() { // detect ALL mobile devices
		if ( self::is_iphone() || self::is_ipod() ) {
			return true; }
		else { return false; }
	}
	// add conditional statements for mobile devices
	public function is_ipad() {
		$is_ipad = (bool) strpos( $_SERVER['HTTP_USER_AGENT'], 'iPad' );
		if ( $is_ipad ) {
			return true; }
		else { return false; }
	}

	public function is_tablet() { // detect ALL tablets
		if ( self::is_ipad() || self::is_silk_kindle() ) {
			return true; }
		else { return false; }
	}
	public function browser_body_class( $classes ) {

		global $is_gecko, $is_IE, $is_opera, $is_safari, $is_chrome, $is_iphone;
		if ( ! wp_is_mobile() ) {
			if ( $is_gecko ) { $classes[] = 'browser-gecko'; }
			elseif ( $is_opera ) $classes[] = 'browser-opera';
			elseif ( $is_safari ) $classes[] = 'browser-safari';
			elseif ( $is_chrome ) $classes[] = 'browser-chrome';
			elseif ( $is_IE ) {
				$classes[] = 'browser-ie';
				if ( preg_match( '/MSIE ([0-9]+)([a-zA-Z0-9.]+)/', $_SERVER['HTTP_USER_AGENT'], $browser_version ) ) {
					$classes[] = 'ie-version-'.$browser_version[1]; }
			}
			else { $classes[] = 'browser-unknown'; }
		} else {
			if ( $this->is_iphone() ) { $classes[] = 'browser-iphone'; }
			elseif ( $this->is_ipad() ) $classes[] = 'browser-ipad';
			elseif ( $this->is_ipod() ) $classes[] = 'browser-ipod';
			elseif ( $this->is_android() ) $classes[] = 'browser-android';
			elseif ( $this->is_tablet() ) $classes[] = 'device-tablet';
			elseif ( $this->is_mobile_device() ) $classes[] = 'device-mobile';
			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Kindle' ) !== false ) $classes[] = 'browser-kindle';
			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'BlackBerry' ) !== false ) $classes[] = 'browser-blackberry';
			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Opera Mini' ) !== false ) $classes[] = 'browser-opera-mini';
			elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Opera Mobi' ) !== false ) $classes[] = 'browser-opera-mobi';
		}//end if
		if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Windows' ) !== false ) { $classes[] = 'os-windows'; }
		elseif ( $this->is_android() ) $classes[] = 'os-android';
		elseif ( $this->is_ios() ) $classes[] = 'os-ios';
		elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Macintosh' ) !== false ) $classes[] = 'os-mac';
		elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Linux' ) !== false ) $classes[] = 'os-linux';
		elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Kindle' ) !== false ) $classes[] = 'os-kindle';
		elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'BlackBerry' ) !== false ) $classes[] = 'os-blackberry';

		$classes[] = 'aesop-core';

		return $classes;

	}

}

new AesopBrowserClasses;