dirWatcher = require('./DirectoryWatchServer')

var path = require("path");

function getDirContentsOfRequest(req, thenDo) {

    var baseDir = process.env.WORKSPACE_LK,

        // FIXME we assume that the Lively root is the base of the host /

        reqDir = path.join(baseDir, req.url);

    dirWatcher.getWatchedFiles(dir, function(err, watchState) {

        if (err) { thenDo(err, null); return; }

        var files = Object.keys(watchState)

            .filter(function(p) { return path.dirname(p) === dir; })

            .reduce(function(fileMap, fileName) {

                fileMap[fileName] = watchState[fileName]; }, {});

        thenDo(null, files);

    });

function isDirectory(stat) { return !!(stat.mode & 0040000); }

function convertFileStatsToDirInfos(fileStats, thenDo) {

    var infos = Object.keys(fileStats).map(function(fn) {

        return {

            name: fn,

            isDirectory: isDirectory(fileStats[fn]),

            lastModfied: fileStats[fn].mtime

        }

    });

    thenDo(null, infos);

function getDirInfosForRequest(req, thenDo) {

    getDirContentsOfRequest(req, function(err, namesAndStats) {

        if (err) { thenDo(err, null); return; }

        convertFileStatsToDirInfos(namesAndStats, thenDo);

    })

function findDirectoryListRoute(app, thenDo) {

    var found = app.routes.get.reduce(function(found, ea) {

        if (found) return found;

        if (ea.callbacks.some(function(ea) { return !!ea.isLivelyDirectoryRoute; })) 

return ea;

        return null;

    }, null);

    thenDo(null, found);

function removeExistingDirectoryListRoute(app, thenDo) {

    findDirectoryListRoute(app, function(err, route) {

        if (route) {

            var i = app.routes.get.indexOf(route);