(function() {
'use strict';

var weechat = angular.module('weechat');

weechat.filter('toArray', function () {
    return function (obj) {
        if (!(obj instanceof Object)) {
            return obj;
        }

        return Object.keys(obj).map(function (key) {
            return Object.defineProperty(obj[key], '$key', { value: key });
        });
    };
});

weechat.filter('irclinky', ['$filter', function($filter) {
    return function(text, target) {
        if (!text) {
            return text;
        }

        var linkiedText = $filter('linky')(text, target);

        // This regex in no way matches all IRC channel names (they could also begin with a + or an
        // exclamation mark followed by 5 alphanumeric characters, and are bounded in length by 50).
        // However, it matches all *common* IRC channels while trying to minimise false positives.
        // "#1" is much more likely to be "number 1" than "IRC channel #1".
        // Thus, we only match channels beginning with a # or & and having at least one letter in them.
        var channelRegex = /(^|[\s,.:;?!"'()+@-])((&|#+)[^\x00\x07\r\n\s,:]*[a-z][^\x00\x07\r\n\s,:]*)/gmi;
        // This is SUPER nasty, but ng-click does not work inside a filter, as the markup has to be $compiled first, which is not possible in filter afaik.
        // Therefore, get the scope, fire the method, and $apply. Yuck. I sincerely hope someone finds a better way of doing this.
        linkiedText = linkiedText.replace(channelRegex, '$1<a href="#" onclick="var $scope = angular.element(event.target).scope(); $scope.openBuffer(\'$2\'); $scope.$apply();">$2</a>');
        return linkiedText;
    };
}]);

weechat.filter('inlinecolour', ['$sce', function($sce) {
    return function(text) {
        if (!text) {
            return text;
        }

        // only match 6-digit colour codes, 3-digit ones have too many false positives (issue numbers, etc)
        var hexColourRegex = /(^|[^&])\#([0-9a-f]{6})($|[^\w'"])/gmi;
        var substitute = '$1#$2 <div class="colourbox" style="background-color:#$2"></div> $3';

        return $sce.trustAsHtml(text.replace(hexColourRegex, substitute));
    };
}]);
})();