var _getLineNo = function(tr) {

    var line;

    var o = $(tr).children()[0].id.split('_');

    var n = $(tr).children()[1].id.split('_');

    if (n.length >= 2) {

        line = n[n.length-1];

    } else if (o.length >= 2) {

        line = o[o.length-1];

    }

    return line

};

var _placeAddButton = function($line_tr){

    var $tr = $line_tr;

    while ($tr.next().hasClass('inline-comments')){

        $tr.find('.add-comment').remove();

        $tr = $tr.next();

    }

    $tr.find('.add-comment').remove();

    var label = TRANSLATION_MAP['Add another comment'];

    var $html_el = $('<div class="add-comment"><span class="ui-btn">{0}</span></div>'.format(label));

    $html_el.click(function(e) {

        injectInlineForm($line_tr);

    });

    $tr.find('.comment').after($html_el);

};

/**

 * Places the inline comment into the changeset block in proper line position

 */

var _placeInline = function(target_id, lineno, html){

    var $td = $("#{0}_{1}".format(target_id, lineno));

    // check if there are comments already !

    var $line_tr = $td.parent(); // the tr

    var $after_tr = $line_tr;

    while ($after_tr.next().hasClass('inline-comments')){

        $after_tr = $after_tr.next();

    }

    // put in the comment at the bottom

    $after_tr.after(_table_tr('inline-comments', html));

    // scan nodes, and attach add button to last one

    _placeAddButton($line_tr);

}

/**

 * make a single inline comment and place it inside

 */

var _renderInlineComment = function(json_data){

    var html =  json_data['rendered_text'];

    var lineno = json_data['line_no'];

    var target_id = json_data['target_id'];

    _placeInline(target_id, lineno, html);

}

/**

 * Iterates over all the inlines, and places them inside proper blocks of data

 */

var renderInlineComments = function(file_comments){

    for (f in file_comments){

        // holding all comments for a FILE

        var box = file_comments[f];

        var target_id = $(box).attr('target_id');

        // actual comments with line numbers

        var comments = box.children;

        for(var i=0; i<comments.length; i++){

            var data = {

                'rendered_text': comments[i].outerHTML,

                'line_no': $(comments[i]).attr('line'),

                'target_id': target_id

            }

            _renderInlineComment(data);

        }

    }

}

/* activate files.html stuff */

var fileBrowserListeners = function(current_url, node_list_url, url_base){

    var current_url_branch = "?branch=__BRANCH__";

    $('#stay_at_branch').on('click',function(e){

        if(e.currentTarget.checked){

            var uri = current_url_branch;

            uri = uri.replace('__BRANCH__',e.currentTarget.value);

            window.location = uri;

        }

        else{

            window.location = current_url;

        }

    })

    var $node_filter = $('#node_filter');

    var filterTimeout = null;

    var nodes = null;

    var initFilter = function(){

        $('#node_filter_box_loading').show();

        $('#search_activate_id').hide();

        $('#add_node_id').hide();

        YUC.initHeader('X-PARTIAL-XHR',true);

        YUC.asyncRequest('GET', node_list_url, {

            success:function(o){

                nodes = JSON.parse(o.responseText).nodes;

                $('#node_filter_box_loading').hide();

                $('#node_filter_box').show();

                $node_filter.focus();

                if($node_filter.hasClass('init')){

                    $node_filter.val('');

                    $node_filter.removeClass('init');

                }

            },

            failure:function(o){

                console.log('failed to load');

            }

        },null);

    }

    var updateFilter = function(e) {

        return function(){

            // Reset timeout

            filterTimeout = null;

            var query = e.currentTarget.value.toLowerCase();

            var match = [];

            var matches = 0;

            var matches_max = 20;

            if (query != ""){

                for(var i=0;i<nodes.length;i++){

                    var pos = nodes[i].name.toLowerCase().indexOf(query)

                    if(query && pos != -1){

                        matches++

                        //show only certain amount to not kill browser

                        if (matches > matches_max){

                            break;

                        }

                        var n = nodes[i].name;

                        var t = nodes[i].type;

                        var n_hl = n.substring(0,pos)

                          +"<b>{0}</b>".format(n.substring(pos,pos+query.length))

                          +n.substring(pos+query.length)

                        var new_url = url_base.replace('__FPATH__',n);

                        match.push('<tr><td><a class="browser-{0}" href="{1}">{2}</a></td><td colspan="5"></td></tr>'.format(t,new_url,n_hl));

                    }

                    if(match.length >= matches_max){

                        match.push('<tr><td>{0}</td><td colspan="5"></td></tr>'.format(_TM['Search truncated']));

                        break;

                    }

                }

            }

            if(query != ""){

                $('#tbody').hide();

                $('#tbody_filtered').show();

                if (match.length==0){

                  match.push('<tr><td>{0}</td><td colspan="5"></td></tr>'.format(_TM['No matching files']));

                }

                $('#tbody_filtered').html(match.join(""));

            }

            else{

                $('#tbody').show();

                $('#tbody_filtered').hide();

            }

        }

    };

    $('#filter_activate').click(function(){

            initFilter();

        });

    $node_filter.click(function(){

            if($node_filter.hasClass('init')){

                $node_filter.val('');

                $node_filter.removeClass('init');

            }

        });

    $node_filter.keyup(function(e){

            clearTimeout(filterTimeout);

            filterTimeout = setTimeout(updateFilter(e),600);

        });

};

var initCodeMirror = function(textarea_id, resetUrl){

    var myCodeMirror = CodeMirror.fromTextArea($('#' + textarea_id)[0], {

            mode: "null",

            lineNumbers: true,

        });

    $('#reset').click(function(e){

            window.location=resetUrl;

        });

    $('#file_enable').click(function(){

            $('#editor_container').show();

            $('#upload_file_container').hide();

            $('#filename_container').show();

        });

    $('#upload_file_enable').click(function(){

            $('#editor_container').hide();

            $('#upload_file_container').show();

            $('#filename_container').hide();

        });

    return myCodeMirror

};

var setCodeMirrorMode = function(codeMirrorInstance, mode) {

    codeMirrorInstance.setOption("mode", mode);

    CodeMirror.autoLoadMode(codeMirrorInstance, mode);

}

var _getIdentNode = function(n){

    //iterate thrugh nodes until matching interesting node

    if (typeof n == 'undefined'){

        return -1

    }

    if(typeof n.id != "undefined" && n.id.match('L[0-9]+')){

        return n

    }

    else{

        return _getIdentNode(n.parentNode);

    }

};

/* generate links for multi line selects that can be shown by files.html page_highlights.

 * This is a mouseup handler for hlcode from CodeHtmlFormatter and pygmentize */

var getSelectionLink = function(e) {

    //get selection from start/to nodes

    if (typeof window.getSelection != "undefined") {

        s = window.getSelection();

        from = _getIdentNode(s.anchorNode);

        till = _getIdentNode(s.focusNode);

        f_int = parseInt(from.id.replace('L',''));

        t_int = parseInt(till.id.replace('L',''));

        var yoffset = 35;

        var ranges = [parseInt(from.id.replace('L','')), parseInt(till.id.replace('L',''))];

        if (ranges[0] > ranges[1]){

            //highlight from bottom

            yoffset = -yoffset;

            ranges = [ranges[1], ranges[0]];

        }

        var $hl_div = $('div#linktt');

        // if we select more than 2 lines

        if (ranges[0] != ranges[1]){

            if ($hl_div.length) {

                $hl_div.html('');

            } else {

                $hl_div = $('<div id="linktt" class="hl-tip-box">');

                $('body').prepend($hl_div);

            }

            $hl_div.append($('<a>').html(_TM['Selection link']).attr('href', location.href.substring(0, location.href.indexOf('#')) + '#L' + ranges[0] + '-'+ranges[1]));

            xy = $(till).offset();

            $hl_div.css('top', (xy.top + yoffset) + 'px').css('left', xy.left + 'px');

            $hl_div.show();

        }

        else{

            $hl_div.hide();

        }

    }

};

var deleteNotification = function(url, notification_id, callbacks){

    var callback = {

        success:function(o){

            $("#notification_"+notification_id).remove();

            _run_callbacks(callbacks);

        },

        failure:function(o){

            alert("error");

        },

    };

    var postData = '_method=delete';

    var sUrl = url.replace('__NOTIFICATION_ID__',notification_id);

    var request = YAHOO.util.Connect.asyncRequest('POST', sUrl,

                                                  callback, postData);

};

var readNotification = function(url, notification_id, callbacks){

    var callback = {

        success:function(o){

            var $obj = $("#notification_"+notification_id);

            $obj.removeClass('unread');

            $obj.find('.read-notification').remove();

            _run_callbacks(callbacks);

        },

        failure:function(o){

            alert("error");

        },

    };

    var postData = '_method=put';

    var sUrl = url.replace('__NOTIFICATION_ID__',notification_id);

    var request = YAHOO.util.Connect.asyncRequest('POST', sUrl,

                                                  callback, postData);

};

/** MEMBERS AUTOCOMPLETE WIDGET **/

var _MembersAutoComplete = function (divid, cont, users_list, groups_list) {

    var myUsers = users_list;

    var myGroups = groups_list;

    // Define a custom search function for the DataSource of users

    var matchUsers = function (sQuery) {

            // Case insensitive matching

            var query = sQuery.toLowerCase();

            var i = 0;

            var l = myUsers.length;

            var matches = [];

            // Match against each name of each contact

            for (; i < l; i++) {

                contact = myUsers[i];

                if (((contact.fname+"").toLowerCase().indexOf(query) > -1) ||

                     ((contact.lname+"").toLowerCase().indexOf(query) > -1) ||

                     ((contact.nname) && ((contact.nname).toLowerCase().indexOf(query) > -1))) {

                    matches[matches.length] = contact;

                }

            }

            return matches;

        };

    // Define a custom search function for the DataSource of userGroups

    var matchGroups = function (sQuery) {

            // Case insensitive matching

            var query = sQuery.toLowerCase();

            var i = 0;

            var l = myGroups.length;

            var matches = [];

            // Match against each name of each contact

            for (; i < l; i++) {

                matched_group = myGroups[i];

                if (matched_group.grname.toLowerCase().indexOf(query) > -1) {

                    matches[matches.length] = matched_group;

                }

            }

            return matches;

        };

    //match all

    var matchAll = function (sQuery) {

            u = matchUsers(sQuery);

            g = matchGroups(sQuery);

            return u.concat(g);

        };

    // DataScheme for members

    var memberDS = new YAHOO.util.FunctionDataSource(matchAll);

    memberDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "grname", "grmembers", "gravatar_lnk"]

    };

    // DataScheme for owner

    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);

    ownerDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "gravatar_lnk"]

    };

    // Instantiate AutoComplete for perms

    var membersAC = new YAHOO.widget.AutoComplete(divid, cont, memberDS);

    membersAC.useShadow = false;

    membersAC.resultTypeList = false;

    membersAC.animVert = false;

    membersAC.animHoriz = false;

    membersAC.animSpeed = 0.1;

    // Instantiate AutoComplete for owner

    var ownerAC = new YAHOO.widget.AutoComplete("user", "owner_container", ownerDS);

    ownerAC.useShadow = false;

    ownerAC.resultTypeList = false;

    ownerAC.animVert = false;