angular.module('RegisterController', ['matrixService'])
.controller('RegisterController', ['$scope', '$location', 'matrixService', 'eventStreamService',
                                    function($scope, $location, matrixService, eventStreamService) {
    'use strict';
    
    // FIXME: factor out duplication with login-controller.js
    
    // Assume that this is hosted on the home server, in which case the URL
    // contains the home server.
    var hs_url = $location.protocol() + "://" + $location.host();
    if ($location.port() &&
        !($location.protocol() === "http" && $location.port() === 80) &&
        !($location.protocol() === "https" && $location.port() === 443))
    {
        hs_url += ":" + $location.port();
    }
    
    $scope.account = {
        homeserver: hs_url,
        desired_user_name: "",
        user_id: "",
        password: "",
        identityServer: "http://matrix.org:8090",
        pwd1: "",
        pwd2: "",
        displayName : ""
    };
    
    $scope.register = function() {

        // Set the urls
        matrixService.setConfig({
            homeserver: $scope.account.homeserver,
            identityServer: $scope.account.identityServer
        });
        
        if ($scope.account.pwd1 !== $scope.account.pwd2) {
            $scope.feedback = "Passwords don't match.";
            return;
        }
        else if ($scope.account.pwd1.length < 6) {
            $scope.feedback = "Password must be at least 6 characters.";
            return;
        }

        matrixService.register($scope.account.desired_user_name, $scope.account.pwd1).then(
            function(response) {
                $scope.feedback = "Success";
                // Update the current config 
                var config = matrixService.config();
                angular.extend(config, {
                    access_token: response.data.access_token,
                    user_id: response.data.user_id
                });
                matrixService.setConfig(config);

                // And permanently save it
                matrixService.saveConfig();
                eventStreamService.resume();
                
                if ($scope.account.displayName) {
                    // FIXME: handle errors setting displayName
                    matrixService.setDisplayName($scope.account.displayName);
                }
                
                 // Go to the user's rooms list page
                $location.url("home");
            },
            function(error) {
                if (error.data) {
                    if (error.data.errcode === "M_USER_IN_USE") {
                        $scope.feedback = "Username already taken.";
                    }
                }
                else if (error.status === 0) {
                    $scope.feedback = "Unable to talk to the server.";
                }
            });
    };

}]);