'use strict';

/* global console */

angular.module('versions', ['currentVersionData', 'allVersionsData'])

.directive('versionPicker', function() {

return {

restrict: 'E',

scope: true,

controllerAs: '$ctrl',

controller: ['$location', '$window', 'CURRENT_NG_VERSION', 'ALL_NG_VERSIONS',

/** @this VersionPickerController */

function VersionPickerController($location, $window, CURRENT_NG_VERSION, ALL_NG_VERSIONS) {

var versionStr = CURRENT_NG_VERSION.isSnapshot ? 'snapshot' : CURRENT_NG_VERSION.version;

this.versions = ALL_NG_VERSIONS;

this.selectedVersion = find(ALL_NG_VERSIONS, function(value) { return value.version.version === versionStr; });

this.jumpToDocsVersion = function(value) {

var currentPagePath = $location.path().replace(/\/$/, '');

$window.location = value.docsUrl + currentPagePath;

};

}],

template:

'<div class="picker version-picker">' +

' <select ng-options="v as v.label group by v.group for v in $ctrl.versions"' +

' ng-model="$ctrl.selectedVersion"' +

' ng-change="$ctrl.jumpToDocsVersion($ctrl.selectedVersion)"' +

' class="docs-version-jump">' +

' </select>' +

'</div>'

};

function find(collection, matcherFn) {

for (var i = 0, ii = collection.length; i < ii; ++i) {

if (matcherFn(collection[i])) {

return collection[i];

}

}

}

});