‘use strict’;

// @BUG: following snippet won’t compile correctly // @TODO: submit issue to core // ‘<span ng-if=“title”><strong ng-bind=“title”></strong>&nbsp;</span><span ng-bind-html=“content”></span>’ +

angular.module(‘mgcrea.ngStrap.alert’, [‘mgcrea.ngStrap.modal’])

.provider('$alert', function() {

  var defaults = this.defaults = {
    animation: 'am-fade',
    prefixClass: 'alert',
    prefixEvent: 'alert',
    placement: null,
    template: 'alert/alert.tpl.html',
    container: false,
    element: null,
    backdrop: false,
    keyboard: true,
    show: true,
    // Specific options
    duration: false,
    type: false,
    dismissable: true
  };

  this.$get = function($modal, $timeout) {

    function AlertFactory(config) {

      var $alert = {};

      // Common vars
      var options = angular.extend({}, defaults, config);

      $alert = $modal(options);

      // Support scope as string options [/*title, content, */ type, dismissable]
      $alert.$scope.dismissable = !!options.dismissable;
      if(options.type) {
        $alert.$scope.type = options.type;
      }

      // Support auto-close duration
      var show = $alert.show;
      if(options.duration) {
        $alert.show = function() {
          show();
          $timeout(function() {
            $alert.hide();
          }, options.duration * 1000);
        };
      }

      return $alert;

    }

    return AlertFactory;

  };

})

.directive('bsAlert', function($window, $sce, $alert) {

  var requestAnimationFrame = $window.requestAnimationFrame || $window.setTimeout;

  return {
    restrict: 'EAC',
    scope: true,
    link: function postLink(scope, element, attr, transclusion) {

      // Directive options
      var options = {scope: scope, element: element, show: false};
      angular.forEach(['template', 'placement', 'keyboard', 'html', 'container', 'animation', 'duration', 'dismissable'], function(key) {
        if(angular.isDefined(attr[key])) options[key] = attr[key];
      });

      // Support scope as data-attrs
      angular.forEach(['title', 'content', 'type'], function(key) {
        attr[key] && attr.$observe(key, function(newValue, oldValue) {
          scope[key] = $sce.trustAsHtml(newValue);
        });
      });

      // Support scope as an object
      attr.bsAlert && scope.$watch(attr.bsAlert, function(newValue, oldValue) {
        if(angular.isObject(newValue)) {
          angular.extend(scope, newValue);
        } else {
          scope.content = newValue;
        }
      }, true);

      // Initialize alert
      var alert = $alert(options);

      // Trigger
      element.on(attr.trigger || 'click', alert.toggle);

      // Garbage collection
      scope.$on('$destroy', function() {
        if (alert) alert.destroy();
        options = null;
        alert = null;
      });

    }
  };

});