var ChannelModule = require("./module");

function DrinkModule(channel) {
    ChannelModule.apply(this, arguments);
    this.drinks = 0;
}

DrinkModule.prototype = Object.create(ChannelModule.prototype);

DrinkModule.prototype.onUserPostJoin = function (user) {
    user.socket.emit("drinkCount", this.drinks);
};

DrinkModule.prototype.onUserPreChat = function (user, data, cb) {
    var msg = data.msg;
    var perms = this.channel.modules.permissions;
    if (msg.match(/^\/d-?[0-9]*/) && perms.canCallDrink(user)) {
        msg = msg.substring(2);
        var m = msg.match(/^(-?[0-9]+)/);
        var count;
        if (m) {
            count = parseInt(m[1]);
            if (isNaN(count) || count < -10000 || count > 10000) {
                return;
            }

            msg = msg.replace(m[1], "").trim();
            if (msg || count > 0) {
                msg += " drink! (x" + count + ")";
            } else {
                this.drinks += count;
                this.channel.broadcastAll("drinkCount", this.drinks);
                return cb(null, ChannelModule.DENY);
            }
        } else {
            msg = msg.trim() + " drink!";
            count = 1;
        }

        this.drinks += count;
        this.channel.broadcastAll("drinkCount", this.drinks);
        data.msg = msg;
        data.meta.addClass = "drink";
        data.meta.forceShowName = true;
        cb(null, ChannelModule.PASSTHROUGH);
    } else {
        cb(null, ChannelModule.PASSTHROUGH);
    }
};

DrinkModule.prototype.onMediaChange = function () {
    this.drinks = 0;
    this.channel.broadcastAll("drinkCount", 0);
};

module.exports = DrinkModule;