/**

* angular-strap
* @version v2.1.6 - 2015-01-11
* @link http://mgcrea.github.io/angular-strap
* @author Olivier Louvignes (olivier@mg-crea.com)
* @license MIT License, http://www.opensource.org/licenses/MIT
*/

‘use strict’;

angular.module(‘mgcrea.ngStrap.popover’, [‘mgcrea.ngStrap.tooltip’])

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

  var defaults = this.defaults = {
    animation: 'am-fade',
    customClass: '',
    container: false,
    target: false,
    placement: 'right',
    template: 'popover/popover.tpl.html',
    contentTemplate: false,
    trigger: 'click',
    keyboard: true,
    html: false,
    title: '',
    content: '',
    delay: 0,
    autoClose: false
  };

  this.$get = ["$tooltip", function($tooltip) {

    function PopoverFactory(element, config) {

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

      var $popover = $tooltip(element, options);

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

      return $popover;

    }

    return PopoverFactory;

  }];

})

.directive('bsPopover', ["$window", "$sce", "$popover", function($window, $sce, $popover) {

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

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

      // Directive options
      var options = {scope: scope};
      angular.forEach(['template', 'contentTemplate', 'placement', 'container', 'target', 'delay', 'trigger', 'keyboard', 'html', 'animation', 'customClass', 'autoClose', 'id'], function(key) {
        if(angular.isDefined(attr[key])) options[key] = attr[key];
      });

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

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

      // Visibility binding support
      attr.bsShow && scope.$watch(attr.bsShow, function(newValue, oldValue) {
        if(!popover || !angular.isDefined(newValue)) return;
        if(angular.isString(newValue)) newValue = !!newValue.match(/true|,?(popover),?/i);
        newValue === true ? popover.show() : popover.hide();
      });

      // Initialize popover
      var popover = $popover(element, options);

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

    }
  };

}]);