/**
 * angular-strap
 * @version v2.2.2 - 2015-05-15
 * @link http://mgcrea.github.io/angular-strap
 * @author Olivier Louvignes <olivier@mg-crea.com> (https://github.com/mgcrea)
 * @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) {
      var options = angular.extend({}, defaults, config);
      var $popover = $tooltip(element, options);
      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 || $window.setTimeout;
  return {
    restrict: 'EAC',
    scope: true,
    link: function postLink(scope, element, attr) {
      var options = {
        scope: scope
      };
      angular.forEach([ 'template', 'contentTemplate', 'placement', 'container', 'delay', 'trigger', 'html', 'animation', 'customClass', 'autoClose', 'id', 'prefixClass', 'prefixEvent' ], function(key) {
        if (angular.isDefined(attr[key])) options[key] = attr[key];
      });
      var falseValueRegExp = /^(false|0|)$/i;
      angular.forEach([ 'html', 'container', 'autoClose' ], function(key) {
        if (angular.isDefined(attr[key]) && falseValueRegExp.test(attr[key])) options[key] = false;
      });
      var dataTarget = element.attr('data-target');
      if (angular.isDefined(dataTarget)) {
        if (falseValueRegExp.test(dataTarget)) options.target = false; else options.target = dataTarget;
      }
      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();
          });
        });
      });
      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);
      attr.bsShow && scope.$watch(attr.bsShow, function(newValue, oldValue) {
        if (!popover || !angular.isDefined(newValue)) return;
        if (angular.isString(newValue)) newValue = !!newValue.match(/true|,?(popover),?/i);
        newValue === true ? popover.show() : popover.hide();
      });
      attr.viewport && scope.$watch(attr.viewport, function(newValue) {
        if (!popover || !angular.isDefined(newValue)) return;
        popover.setViewport(newValue);
      });
      var popover = $popover(element, options);
      scope.$on('$destroy', function() {
        if (popover) popover.destroy();
        options = null;
        popover = null;
      });
    }
  };
} ]);