'use strict';

define([
	'underscore',
	'reflux', 'app/actions/build', 'app/resources'
], function(_, Reflux, BuildActions, resources) {
	var resource = resources.builds;

	var Store = Reflux.createStore({
		listenables: BuildActions,
		builds: [],

		getInitialState: function() {
			return this.builds;
		},

		onChanged: function(data) {
			var oldBuild = _(this.builds).findWhere({id: data.buildId});
			if (oldBuild) {
				_(oldBuild).extend(data.changes);
			} else {
				this.builds.unshift(
					_({id: data.buildId}).extend(data.changes)
				);
			}

			this.trigger(this.builds);
		},

		onCancelled: function(data) {
			// WORKAROUND: client that trigger `onCancel` gets one `onCancelled`
			// call other clients get 2 calls (second with empty data)
			if (!data) {
				return;
			}
			var index = _(this.builds).findIndex({id: data.buildId});
			if (index !== -1) {
				this.builds.splice(index, 1);
			}

			this.trigger(this.builds);
		},

		init: function() {
			resource.subscribe('change', this.onChanged);
			resource.subscribe('cancel', this.onCancelled);
		},

		onReadAll: function(params) {
			var self = this;
			resource.sync('readAll', params, function(err, builds) {
				if (err) throw err;
				self.builds = builds;
				self.trigger(self.builds);
			});
		},

		onCancel: function(buildId) {
			resource.sync('cancel', {buildId: buildId}, function(err) {
				if (err) throw err;
			});
		}
	});

	return Store;
});