<?php

function wp_supercache_badbehaviour( $file ) {

	global $cache_badbehaviour;

	if( $cache_badbehaviour != 1 )

		return $file;

	wp_supercache_badbehaviour_include();

	return $file;

}

add_cacheaction( 'wp_cache_served_cache_file', 'wp_supercache_badbehaviour' );

function wp_supercache_badbehaviour_include() {

	$bbfile = get_bb_file_loc();

	if( !$bbfile )

		require_once( $bbfile );

}

function get_bb_file_loc() {

	global $cache_badbehaviour_file;

	if( $cache_badbehaviour_file )

		return $cache_badbehaviour_file;

	if( file_exists( WP_CONTENT_DIR . '/plugins/bad-behavior/bad-behavior-generic.php' ) ) {

		$bbfile = WP_CONTENT_DIR . '/plugins/bad-behavior/bad-behavior-generic.php';

	} elseif( file_exists( WP_CONTENT_DIR . '/plugins/Bad-Behavior/bad-behavior-generic.php' ) ) {

		$bbfile = WP_CONTENT_DIR . '/plugins/Bad-Behavior/bad-behavior-generic.php';

	} else {

		$bbfile = false;

	}

	return $bbfile;

}

function wp_supercache_badbehaviour_admin() {

	global $cache_badbehaviour, $wp_cache_config_file, $valid_nonce;

	$cache_badbehaviour = $cache_badbehaviour == '' ? 0 : $cache_badbehaviour;

	if ( $cache_badbehaviour == 'no' )

		$cache_badbehaviour = 0;

	$err = false;

	if ( isset( $_POST['cache_badbehaviour'] ) && $valid_nonce ) {

		$bbfile = get_bb_file_loc();

		if( !$bbfile ) {

			$_POST[ 'cache_badbehaviour' ] = 0;

			$err = __( 'Bad Behaviour not found. Please check your install.', 'wp-super-cache' );

		}

		if ( $cache_badbehaviour == (int)$_POST['cache_badbehaviour'] ) {

			$changed = false;

		} else {

			$changed = true;

		}

		$cache_badbehaviour = (int)$_POST['cache_badbehaviour'];

		wp_cache_replace_line('^ *\$cache_compression', "\$cache_compression = 0;", $wp_cache_config_file);

		wp_cache_replace_line('^ *\$cache_badbehaviour', "\$cache_badbehaviour = $cache_badbehaviour;", $wp_cache_config_file);

		wp_cache_replace_line('^ *\$cache_badbehaviour_file', "\$cache_badbehaviour_file = '$bbfile';", $wp_cache_config_file);

		$changed = true;

	}

	$id = 'badbehavior-section';

	?>

		<fieldset id="<?php echo $id; ?>" class="options"> 

		<h4><?php _e( 'Bad Behavior', 'wp-super-cache' ); ?></h4>

		<form name="wp_manager" action="<?php echo $_SERVER[ "REQUEST_URI" ]; ?>" method="post">

		<label><input type="radio" name="cache_badbehaviour" value="1" <?php if( $cache_badbehaviour ) { echo 'checked="checked" '; } ?>/> <?php _e( 'Enabled', 'wp-super-cache' ); ?></label>

		<label><input type="radio" name="cache_badbehaviour" value="0" <?php if( !$cache_badbehaviour ) { echo 'checked="checked" '; } ?>/> <?php _e( 'Disabled', 'wp-super-cache' ); ?></label>

		<p><?php _e( '', 'wp-super-cache' ); ?></p><?php

		echo '<p>' . sprintf( __( '(Only legacy caching supported, disabled compression and requires <a href="http://www.bad-behavior.ioerror.us/">Bad Behavior</a> in "%s/plugins/bad-behavior/") ', 'wp-super-cache' ), WP_CONTENT_DIR ) . '</p>';

		if ( isset( $changed ) && $changed ) {

			if ( $cache_badbehaviour )

				$status = __( "enabled" );

			else

				$status = __( "disabled" );

			echo "<p><strong>" . sprintf( __( "Bad Behavior support is now %s", 'wp-super-cache' ), $status ) . "</strong></p>";

		}

	echo '<div class="submit"><input ' . SUBMITDISABLED . 'type="submit" value="' . __( 'Update', 'wp-super-cache' ) . '" /></div>';

	wp_nonce_field('wp-cache');

	?>

	</form>

	</fieldset>

	<?php

	if( $err )

		echo "<p><strong>" . __( 'Warning!', 'wp-super-cache' ) . "</strong> $err</p>";

}

add_cacheaction( 'cache_admin_page', 'wp_supercache_badbehaviour_admin' );

?>