'use strict';

angular.module('ngClickCopy', [])
    .service('ngCopy', ['$window', function ($window) {
        var body = angular.element($window.document.body);
        var textarea = angular.element('<textarea/>');
        textarea.css({
            position: 'fixed',
            opacity: '0'
        });

        return function (toCopy) {
            textarea.val(toCopy);
            body.append(textarea);
            textarea[0].select();

            try {
                var successful = document.execCommand('copy');
                if (!successful) throw successful;
            } catch (err) {
                window.prompt("Copy to clipboard: Ctrl+C, Enter", toCopy);
            }

            textarea.remove();
        }
    }])
    .directive('ngClickCopy', ['ngCopy', function (ngCopy) {
        return {
            restrict: 'A',
            link: function (scope, element, attrs) {
                element.bind('click', function (e) {
                    ngCopy(attrs.ngClickCopy);
                });
            }
        }
    }])