var Group = require(__dirname + '/schema_group.js')
module.exports = function(waw) {
    waw.dataUrlToLocation = function(dataUrl, loc, file, cb){
        var base64Data = dataUrl.replace(/^data:image\/png;base64,/, '').replace(/^data:image\/jpeg;base64,/, '');
        var decodeData = new Buffer(base64Data, 'base64');
        waw.fs.mkdirSync(loc, { recursive: true });
        waw.fs.writeFile(loc+'/'+file, decodeData, cb);
    }
    var router = waw.router('/api/group');
    router.post("/avatar", function(req, res) {
        Group.findOne({
            _id: req.body._id
        }, function(err, group){
            group.avatarUrl = '/api/group/avatar/' + group._id + '.jpg?' + Date.now();
            console.log(group.avatarUrl);
            waw.parallel([function(next) {
                group.save(next);
            }, function(next) {
                waw.dataUrlToLocation(req.body.dataUrl, __dirname + '/files/', group._id + '.jpg', next);
            }], function() {
                res.json(group.avatarUrl);
            });
        });
    });
    router.get("/avatar/:file", function(req, res) {
        res.sendFile(__dirname + '/files/' + req.params.file);
    });
    router.get("/default.png", function(req, res) {
        res.sendFile(__dirname + '/files/avatar.svg');
    });
    var base = __dirname+'/app/dist/memo';
    waw.use(function(req, res, next) {
        let host = req.get('host').toLowerCase();
        if(req.url.indexOf('/api/')==0) return next();
        if(waw.config.memo && waw.config.memo.urls.indexOf(host)>=0){
            if(req.url.indexOf('.')>-1){
                res.sendFile(base+req.url);
            }else{
                let pages = waw.config.memo.pages.split(' ');
                for (var i = 0; i < pages.length; i++) {
                    if(req.url.indexOf(pages[i])>=0){
                        return res.sendFile(base+'/index.html');
                    }
                }
                next();
            }
        }else{
            next();
        }
    });
};