/**
 * Yobi, Project Hosting SW
 *
 * Copyright 2013 NAVER Corp.
 * http://yobi.io
 *
 * @author Jihan Kim
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
(function(ns){

    var oNS = $yobi.createNamespace(ns);
    oNS.container[oNS.name] = function(htOptions){

        var htVar = {};
        var htElement = {};

        /**
         * initialize
         * @param {Hash Table} htOptions
         */
        function _init(htOptions){
            _initVar(htOptions || {});
            _initElement(htOptions || {});
            _attachEvent();

            _initFileUploader();
            _initFileDownloader();
            _affixIssueInfoWrap();
        }

        /**
         * initialize variables except HTML Element
         */
        function _initVar(htOptions){
            htVar.sTplFileItem = $('#tplAttachedFile').text();
            htVar.sAction = htOptions.sAction;
            htVar.sWatchUrl = htOptions.sWatchUrl;
            htVar.sUnwatchUrl = htOptions.sUnwatchUrl;
        }

        /**
         * initialize HTML Element variables
         */
        function _initElement(htOptions){
            htElement.welUploader = $("#upload");
            htElement.welTextarea = $('textarea[data-editor-mode="comment-body"]');

            htElement.welAttachments = $(".attachments");
            htElement.welBtnWatch = $('#watch-button');
            htElement.issueInfoWrap = $(".issue-info");
        }

        /**
         * attach event handler
         */
        function _attachEvent(){
            htElement.welBtnWatch.click(function(weEvt) {
                var welTarget = $(weEvt.target);
                var bWatched = (welTarget.attr("data-watching") === "true");
                
                $yobi.sendForm({
                    "sURL": bWatched ? htVar.sUnwatchUrl : htVar.sWatchUrl,
                    "fOnLoad": function(){
                        welTarget
                            .attr("data-watching", !bWatched)
                            .toggleClass('ybtn-watching')
                            .html(Messages(!bWatched ? "post.unwatch" : "post.watch")).blur();
                        
                        $yobi.notify(Messages(bWatched ? "post.unwatch.start" : "post.watch.start"), 3000);
                    }
                });
            });
        }

        /**
         * initialize fileUploader
         */
        function _initFileUploader(){
            var oUploader = yobi.Files.getUploader(htElement.welUploader, htElement.welTextarea);

            if(oUploader){
                (new yobi.Attachments({
                    "elContainer"  : htElement.welUploader,
                    "elTextarea"   : htElement.welTextarea,
                    "sTplFileItem" : htVar.sTplFileItem,
                    "sUploaderId"  : oUploader.attr("data-namespace")
                }));
            }
        }

        /**
         * initialize fileDownloader
         */
        function _initFileDownloader(){
            htElement.welAttachments.each(function(i, elContainer){
                if(!$(elContainer).data("isYobiAttachment")){
                    (new yobi.Attachments({"elContainer": elContainer}));
                }
            });
        }

        function _affixIssueInfoWrap(){
            htElement.issueInfoWrap.affix({
                "offset": {
                    "top": htElement.issueInfoWrap.offset().top - 10
                }
            });
        }

        _init(htOptions);
    };

})("yobi.board.View");