var util = require("util"),
	redis = require("redis"),
	cradle = require("cradle");

/*------------------------------------------------------------------------------
  (public) UserModel

  + none
  - void

  Set up model for users.
------------------------------------------------------------------------------*/
var UserModel = module.exports = function UserModel() {
	var couchCon = new(cradle.Connection)(
		"173.230.137.226", 5984,
		{auth: { username: "cotoja", password: "cotoja4004"}}
	);
	this._couchClient = couchCon.database("stackchat");

	this._redisClient = redis.createClient(6379, "173.230.137.226");
	_redisClient.auth("cotoja1021", function() {});
};

/*------------------------------------------------------------------------------
  (private) _createCouchUser

  + obj
  + callback
  - void

  Creates new user in CouchDB.
------------------------------------------------------------------------------*/
UserModel.prototype._createCouchUser = function(userID, obj, callback) {
	this._couchClient.save(
		userID,
		{
			name: obj.name,
			email: obj.email,
			password_hash: obj.password_hash,
			website: obj.website,
			introduction: obj.introduction,
			gravatar_hash: obj.gravatar_hash,
			role: obj.role,
			can_talk: obj.can_talk,
			can_read: obj.can_read
		},
		function(err, res) {
			callback(err, res);
		}
	);
};

/*------------------------------------------------------------------------------
  (private) _createRedisUser

  + obj
  + callback
  - void

  Creates new user in Redis.
------------------------------------------------------------------------------*/
UserModel.prototype._createRedisUser = function(userID, obj, callback) {
	var date = new Date();

	this._redisClient.hmset("user:" + userID,
		{
			name: obj.name,
			email: obj.email,
			password_hash: obj.password_hash,
			website: obj.website,
			introduction: obj.introduction,
			gravatar_hash: obj.gravatar_hash,
			last_seen: date.getTime(),
			last_sent_message: null,
			last_spoke_here: null, // this is only for use on the client, has no need on the server, per-se
			total_messages_sent: 0, // can be decremented on deletes
			total_flags_ever: 0,
			banned: null, // may be null or falsy, indicates no ban active
			role: obj.role,
			can_talk: obj.can_talk,
			can_read: obj.can_read
		},
		function(err, res) {
			callback(err, res);
		}
	);
};

/*------------------------------------------------------------------------------
  (public) create

  + obj
  + callback
  - void

  Creates new user.
------------------------------------------------------------------------------*/
UserModel.prototype.create = function(obj, callback) {
	var self = this;

	self._redisClient.hincrby("increment", "users", 1, function(err, res) {
		if(err) {
		} else {
			if(err) {
				callback(err, undefined);
			} else {
				self._createCouchUser(res, obj, function(err2, res2) {
					self._createRedisUser(res, obj, function(err3, res3) {

					});
				});
			}
		}
	});
};