var neo4j = require("neo4j-driver").v1,
    config = require("../../config");
(function(module){ 
    module.exports = function(){
        config.neo4j.server = 'localhost';
        return neo4j.driver("bolt://" + config.neo4j.server, neo4j.auth.basic(config.neo4j.user, config.neo4j.password));
    }
}(module));

(function(module){
    var driver = require('../../../utils/neo4j-driver')(),
        Q = require('q'),
        logger = require('../../../utils/logger'),
        BaseNeo4jModel = require('../../../utils/neo4j-model');
    function userDBAuth(user){
        var deferred = Q.defer();
        var session = driver.session();
        session
            //.run( "MATCH (a:Person) RETURN a.name AS name, a.uuid as uuid" )
            .run("MATCH (user:User {email:{email}})"
                    + "RETURN user",
                    { email: user.email})
            .then(function (result) {
                logger.debug('fetching results...');
                if(result.records.length > 0){
                    var records = [];
                    result.records.forEach(function(record){
                        records.push(new BaseNeo4jModel(record));
                    });
                    done();
                    deferred.resolve(records);
                } else {
                    deferred.reject({sucess: false, message: 'User not Found'});
                }
            }).catch( function(err) {
                logger.error(err);
                done();
                deferred.reject(err.fields[0]);
            });
            return deferred.promise;
        function done(){
            session.close();
            driver.close();
        }
    }
    module.exports = userDBAuth;
}(module));