import Ember from 'ember';
import DS from 'ember-data';
import {request as ajax} from 'ic-ajax';
import ValidationEngine from 'ghost/mixins/validation-engine';
import SelectiveSaveMixin from 'ghost/mixins/selective-save';

export default DS.Model.extend(SelectiveSaveMixin, ValidationEngine, {
    validationType: 'user',

    uuid: DS.attr('string'),
    name: DS.attr('string'),
    slug: DS.attr('string'),
    email: DS.attr('string'),
    image: DS.attr('string'),
    cover: DS.attr('string'),
    bio: DS.attr('string'),
    website: DS.attr('string'),
    location: DS.attr('string'),
    accessibility: DS.attr('string'),
    status: DS.attr('string'),
    language: DS.attr('string', {defaultValue: 'en_US'}),
    meta_title: DS.attr('string'),
    meta_description: DS.attr('string'),
    last_login: DS.attr('moment-date'),
    created_at: DS.attr('moment-date'),
    created_by: DS.attr('number'),
    updated_at: DS.attr('moment-date'),
    updated_by: DS.attr('number'),
    roles: DS.hasMany('role', {embedded: 'always'}),

    role: Ember.computed('roles', function (name, value) {
        if (arguments.length > 1) {
            // Only one role per user, so remove any old data.
            this.get('roles').clear();
            this.get('roles').pushObject(value);

            return value;
        }

        return this.get('roles.firstObject');
    }),

    // TODO: Once client-side permissions are in place,
    // remove the hard role check.
    isAuthor: Ember.computed.equal('role.name', 'Author'),
    isEditor: Ember.computed.equal('role.name', 'Editor'),
    isAdmin: Ember.computed.equal('role.name', 'Administrator'),
    isOwner: Ember.computed.equal('role.name', 'Owner'),

    saveNewPassword: function () {
        var url = this.get('ghostPaths.url').api('users', 'password');

        return ajax(url, {
            type: 'PUT',
            data: {
                password: [{
                    user_id: this.get('id'),
                    oldPassword: this.get('password'),
                    newPassword: this.get('newPassword'),
                    ne2Password: this.get('ne2Password')
                }]
            }
        });
    },

    resendInvite: function () {
        var fullUserData = this.toJSON(),
            userData = {
                email: fullUserData.email,
                roles: fullUserData.roles
            };

        return ajax(this.get('ghostPaths.url').api('users'), {
            type: 'POST',
            data: JSON.stringify({users: [userData]}),
            contentType: 'application/json'
        });
    },

    passwordValidationErrors: Ember.computed('password', 'newPassword', 'ne2Password', function () {
        var validationErrors = [];

        if (!validator.equals(this.get('newPassword'), this.get('ne2Password'))) {
            validationErrors.push({message: 'Your new passwords do not match'});
        }

        if (!validator.isLength(this.get('newPassword'), 8)) {
            validationErrors.push({message: 'Your password is not long enough. It must be at least 8 characters long.'});
        }

        return validationErrors;
    }),

    isPasswordValid: Ember.computed.empty('passwordValidationErrors.[]'),

    active: function () {
        return ['active', 'warn-1', 'warn-2', 'warn-3', 'warn-4', 'locked'].indexOf(this.get('status')) > -1;
    }.property('status'),

    invited: function () {
        return ['invited', 'invited-pending'].indexOf(this.get('status')) > -1;
    }.property('status'),

    pending: Ember.computed.equal('status', 'invited-pending').property('status')
});