/* jslint node: true */
'use strict';

//  ENiGMA½
const MenuModule    = require('./menu_module.js').MenuModule;
const User          = require('./user.js');
const theme         = require('./theme.js');
const login         = require('./system_menu_method.js').login;
const Config        = require('./config.js').get;
const messageArea   = require('./message_area.js');
const {
    getISOTimestampString
}                   = require('./database.js');
const UserProps     = require('./user_property.js');

//  deps
const _             = require('lodash');

exports.moduleInfo = {
    name    : 'NUA',
    desc    : 'New User Application',
};

const MciViewIds = {
    userName    : 1,
    password    : 9,
    confirm     : 10,
    errMsg      : 11,
};

exports.getModule = class NewUserAppModule extends MenuModule {

    constructor(options) {
        super(options);

        const self = this;

        this.menuMethods = {
            //
            //  Validation stuff
            //
            validatePassConfirmMatch : function(data, cb) {
                const passwordView = self.viewControllers.menu.getView(MciViewIds.password);
                return cb(passwordView.getData() === data ? null : new Error('Passwords do not match'));
            },

            viewValidationListener : function(err, cb) {
                const errMsgView = self.viewControllers.menu.getView(MciViewIds.errMsg);
                let newFocusId;

                if(err) {
                    errMsgView.setText(err.message);
                    err.view.clearText();

                    if(err.view.getId() === MciViewIds.confirm) {
                        newFocusId = MciViewIds.password;
                        self.viewControllers.menu.getView(MciViewIds.password).clearText();
                    }
                } else {
                    errMsgView.clearText();
                }

                return cb(newFocusId);
            },


            //
            //  Submit handlers
            //
            submitApplication : function(formData, extraArgs, cb) {
                const newUser = new User();
                const config = Config();

                newUser.username = formData.value.username;

                //
                //  We have to disable ACS checks for initial default areas as the user is not yet ready
                //
                let confTag     = messageArea.getDefaultMessageConferenceTag(self.client, true);                //  true=disableAcsCheck
                let areaTag     = messageArea.getDefaultMessageAreaTagByConfTag(self.client, confTag, true);    //  true=disableAcsCheck

                //  can't store undefined!
                confTag = confTag || '';
                areaTag = areaTag || '';

                newUser.properties = {
                    [ UserProps.RealName ]          : formData.value.realName,
                    [ UserProps.Birthdate ]         : getISOTimestampString(formData.value.birthdate),
                    [ UserProps.Sex ]               : formData.value.sex,
                    [ UserProps.Location ]          : formData.value.location,
                    [ UserProps.Affiliations ]      : formData.value.affils,
                    [ UserProps.EmailAddress ]      : formData.value.email,
                    [ UserProps.WebAddress ]        : formData.value.web,
                    [ UserProps.AccountCreated ]    : getISOTimestampString(),

                    [ UserProps.MessageConfTag ]    : confTag,
                    [ UserProps.MessageAreaTag ]    : areaTag,

                    [ UserProps.TermHeight ]        : self.client.term.termHeight,
                    [ UserProps.TermWidth ]         : self.client.term.termWidth,

                    //  :TODO: Other defaults
                    //  :TODO: should probably have a place to create defaults/etc.
                };

                const defaultTheme = _.get(config, 'theme.default');
                if('*' === defaultTheme) {
                    newUser.properties[UserProps.ThemeId] = theme.getRandomTheme();
                } else {
                    newUser.properties[UserProps.ThemeId] = defaultTheme;
                }

                //  :TODO: User.create() should validate email uniqueness!
                const createUserInfo = {
                    password    : formData.value.password,
                    sessionId   : self.client.session.uniqueId, //  used for events/etc.
                };
                newUser.create(createUserInfo, err => {
                    if(err) {
                        self.client.log.warn( { error : err, username : formData.value.username }, 'New user creation failed');

                        self.gotoMenu(extraArgs.error, err => {
                            if(err) {
                                return self.prevMenu(cb);
                            }
                            return cb(null);
                        });
                    } else {
                        self.client.log.info( { username : formData.value.username, userId : newUser.userId }, `New user "${formData.value.username}" created`);

                        //  Cache SysOp information now
                        //  :TODO: Similar to bbs.js. DRY
                        if(newUser.isSysOp()) {
                            config.general.sysOp = {
                                username    : formData.value.username,
                                properties  : newUser.properties,
                            };
                        }

                        if(User.AccountStatus.inactive === self.client.user.properties[UserProps.AccountStatus]) {
                            return self.gotoMenu(extraArgs.inactive, cb);
                        } else {
                            //
                            //  If active now, we need to call login() to authenticate
                            //
                            return login(self, formData, extraArgs, cb);
                        }
                    }
                });
            },
        };
    }

    mciReady(mciData, cb) {
        return this.standardMCIReadyHandler(mciData, cb);
    }
};