(function(){
    'use strict';
    angular.module('laz.videoLibrary')
        .factory('videoApi', [ 'createApi',
            function(createApi) {

                var videoApi = createApi('/api/videoLibrary/');

                var VIEW_TYPES = {
                    CARD: 'card',
                    PLAYABLE: 'playable'
                };
                var FEATURED_SENTINEL_ID =  'featured';
                var FEATURED_GETTING_STARTED_ID = 'gettingstarted';

                return {
                    findById: findById,
                    findCategories: findCategories,
                    findGettingStartedCategories: findGettingStartedCategories,
                    VIEW_TYPES: VIEW_TYPES,
                    FEATURED_SENTINEL_ID: FEATURED_SENTINEL_ID,
                    FEATURED_GETTING_STARTED_ID : FEATURED_GETTING_STARTED_ID
                };

                function findById(videoId, view){
                    view = view || VIEW_TYPES.PLAYABLE;
                    if(isNaN(parseInt(videoId)) && videoId !== FEATURED_SENTINEL_ID && videoId !== FEATURED_GETTING_STARTED_ID){
                        throw Error('videoId must be an integer or default value');
                    }
                    if (videoId == FEATURED_GETTING_STARTED_ID) {
                        return videoApi.get('gettingStarted/featured', { params: { view_type: view } });
                    }
                    return videoApi.get('videos/' + videoId, { params: { view_type: view } });
                }

                function findCategories(view){
                    view = view || VIEW_TYPES.PLAYABLE;
                    return videoApi.get('videoCategories', { params: { view_type: view } });
                }

                function findGettingStartedCategories(view){
                    view = view || VIEW_TYPES.PLAYABLE;
                    return videoApi.get('gettingStartedCategories', { params: { view_type: view } });
                }
            }
        ]);
})();