import Ember from 'ember';

export default Ember.Route.extend({

    index: 0,

    limit: 40,

    sort: 'alphabetical',

    themes: [],

    all: Ember.computed(function() {

        return this.store.findAll('theme');

    }),

    model: Ember.observer('index', function() {

        var self = this;

        var promise = this.store.query('theme', {

            'limit': this.get('limit'),

            'index': this.get('index'),

            'sort': this.get('sort')

        });

        promise.then(function(value) {

            if (self.get('themes').length) {

                value = self.get('themes').pushObjects(value.get('content'));

            }

            self.set('themes', value);

        });

        return promise;

    }),

    setupController: function(controller) {

        this._super(...arguments);

        controller.set('all', this.get('all'));

        // Add ArrayProxy to template context.

        controller.set('themes', this.get('themes'));

    },

    actions: {

        setIndexQueryparams: function() {

            this.set('index', this.get('index') + 1);

        },

        setSortQueryparams: function(sort) {

            this.set('sort', sort);

            this.get('themes').replaceContent(0, this.get('themes').get('content').length, null);

            // Force property reset to trigger request.

            this.propertyWillChange('index');

            this.set('index', 0);

            this.propertyDidChange('index');            

        }

    }

});