/*
# Code Review plugin for Redmine
# Copyright (C) 2009-2013  Haruyuki Iida
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

var topZindex = 1000;
var action_type = '';
var rev = '';
var rev_to = '';
var path = '';
var urlprefix = '';
var review_form_dialog = null;
var add_form_title = null;
var review_dialog_title = null;
var repository_id = null;
var filenames = [];

var ReviewCount = function(total, open, progress){
    this.total = total;
    this.open = open;
    this.closed = total - open;
    this.progress = progress
};

var CodeReview = function(id) {
    this.id = id;
    this.path = '';
    this.line = 0;
    this.url = '';
    this.is_closed = false;
};

var review_counts = new Array();
var code_reviews_map = new Array();
var code_reviews_dialog_map = new Array();

function UpdateRepositoryView(title) {
    var header = $("table.changesets thead tr:first");
    var th = $('<th></th>');
    th.html(title);
    header.append(th);
    $('tr.changeset td.id a').each(function(i){
        var revision = this.getAttribute("href");
        revision = revision.substr(revision.lastIndexOf("/") + 1);        
        var review = review_counts['revision_' + revision];
        var td = $('<td/>',{
            'class':'progress'
        });
        td.html(review.progress);
        $(this.parentNode.parentNode).append(td);
    });
    }
//add function $.down
if(! $.fn.down)
(function($) {
    $.fn.down = function() {
        var el = this[0] && this[0].firstChild;
        while (el && el.nodeType != 1)
            el = el.nextSibling;
        return $(el);
    };
})(jQuery);

function UpdateRevisionView() {
    $('li.change').each(function(){
        var li = $(this);
        if (li.hasClass('folder')) return;

        var a = li.down('a');
        if (a.size() == 0) return;
        var path = a.attr('href').replace(urlprefix, '').replace(/\?.*$/, '');

        var reviewlist = code_reviews_map[path];
        if (reviewlist == null) return;

        var ul = $('<ul></ul>');
        for (var j = 0; j < reviewlist.length; j++) {
            var review = reviewlist[j];
            var icon = review.is_closed? 'icon-closed-review': 'icon-review';
            var item = $('<li></li>', {
                'class': 'icon ' + icon + ' code_review_summary'
                });
            item.html(review.url);
            ul.append(item);
        }
        li.append(ul);
    });
}

function setAddReviewButton(url, change_id, image_tag, is_readonly, is_diff, attachment_id){
    var filetables = [];
    var j = 0;
    $('table').each(function(){
        if($(this).hasClass('filecontent')){
            filetables[j++] = this;
        }
    });
    j = 0;
    $('table.filecontent th.filename').each(function(){
        filenames[j] = $.trim($(this).text());
        j++;
    });
    addReviewUrl = url + '?change_id=' + change_id + '&action_type=' + action_type +
        '&rev=' + rev + '&rev_to=' + rev_to +
        '&attachment_id=' + attachment_id + '&repository_id=' + encodeURIComponent(repository_id);
    if (path != null && path.length > 0) {
        addReviewUrl = addReviewUrl + '&path=' + encodeURIComponent(path);
    }
    var num = 0;
    if (is_diff) {
        num = 1;
    }
    var i, l, tl;
    for (i = 0, tl = filetables.length; i < tl; i++) {
        var table = filetables[i];
        var trs = table.getElementsByTagName('tr');

        for (j = 0,l = trs.length; j < l; j++) {
            var tr = trs[j];
            var ths = tr.getElementsByTagName('th');

            var th = ths[num];
            if (th == null) {
                continue;
            }

            var th_html = th.innerHTML;

            var line = th_html.match(/[0-9]+/);
            if (line == null) {
                continue;
            }

            var span_html = '<span white-space="nowrap" id="review_span_' + line + '_' + i + '">';

            if (!is_readonly) {
                span_html += image_tag;
            }
            span_html += '</span>';
            th.innerHTML = th_html + span_html;

            var img = th.getElementsByTagName('img')[0];
            if (img != null ) {
                img.id = 'add_revew_img_' + line + '_' + i;
                $(img).click(clickPencil);
            }
        }
    }


}

function clickPencil(e)
{
//    alert('$(e.target).attr("id") = ' + $(e.target).attr("id"));
    var result = $(e.target).attr("id").match(/([0-9]+)_([0-9]+)/);
    var line = result[1];
    var file_count = eval(result[2]);
    var url = addReviewUrl + '&line=' + line + '&file_count=' + file_count;

    if (path == null || path.length == 0) {
        url = url + '&path=' + encodeURIComponent(filenames[file_count]) + '&diff_all=true';
    }
    addReview(url);
    formPopup(e.pageX, e.pageY);
    e.preventDefault();
}
var addReviewUrl = null;
var showReviewUrl = null;
var showReviewImageTag = null;
var showClosedReviewImageTag = null;

function setShowReviewButton(line, review_id, is_closed, file_count) {
    //alert('file_count = ' + file_count);
    var span = $('#review_span_' + line + '_' + file_count);
    if (span.size() == 0) {
        return;
    }
    var innerSpan = $('<span></span>',{id: 'review_' + review_id});
    span.append(innerSpan);
    innerSpan.html(is_closed? showClosedReviewImageTag : showReviewImageTag);
    var div = $('<div></div>', {
        'class':'draggable',
        id: 'show_review_' + review_id
    });
    $('#code_review').append(div);
    innerSpan.down('img').click(function(e) {
        var review_id = $(e.target).parent().attr('id').match(/[0-9]+/)[0];
        var span   = $('#review_' + review_id); // span element of view review button
    var pos = span.offset();
        showReview(showReviewUrl, review_id, pos.left + 10 + 5, pos.top + 25);
    });
}

function popupReview(review_id) {
    var span   = $('#review_' + review_id); // span element of view review button
    var pos = span.offset();
    $('html,body').animate({ scrollTop: pos.top },
        {duration: 'fast',
        complete: function(){showReview(showReviewUrl, review_id, pos.left + 10 + 5, pos.top)}});
    // position and show popup dialog
    // create popup dialog
    //var win = showReview(showReviewUrl, review_id, pos.left + 10 + 5, pos.top);
//    win.toFront();
}

function showReview(url, review_id, x, y) {
    if (code_reviews_dialog_map[review_id] != null) {
        var cur_win = code_reviews_dialog_map[review_id];
        cur_win.hide();
        code_reviews_dialog_map[review_id] = null;
    }
    $('#show_review_' + review_id).load(url, {review_id: review_id});
    var review = getReviewObjById(review_id);

    var win = $('#show_review_' + review_id).dialog({
        show: {effect:'scale'},// ? 'top-left'
        //position: [x, y + 5],
        width:640,
        zIndex: topZindex,
        title: review_dialog_title
    });
//    win.getContent().style.color = "#484848";
//    win.getContent().style.background = "#ffffff";
    topZindex++;
    code_reviews_dialog_map[review_id] = win;
    return win
}

function getReviewObjById(review_id) {
    for (var reviewlist in code_reviews_map) {
        for (var i = 0; i < reviewlist.length; i++) {
            var review = reviewlist[i];
            if (review.id == review_id) {
                return review;
            }
        }
    }
    return null;
}

function formPopup(x, y){
    //@see http://docs.jquery.com/UI/Effects/Scale
    var win = $('#review-form-frame').dialog({
        show: {effect:'scale', direction: 'both'},// ? 'top-left'
//        position: [x, y + 5],
        width:640,
        zIndex: topZindex,
        title: add_form_title
    });
//    win.getContent().style.background = "#ffffff";
    if (review_form_dialog != null) {
        review_form_dialog.destroy();
        review_form_dialog = null;
    }
    review_form_dialog = win;
    topZindex += 10;
    return false;
}

function hideForm() {
    if (review_form_dialog == null) {
        return;
    }
    review_form_dialog.dialog('close');
    review_form_dialog = null;
    $('#review-form').html('');
}
function addReview(url) {
    $('#review-form').load(url);
}

function deleteReview(review_id) {
    $('show_review_' + review_id).remove();
    $('review_' + review_id).remove();
    
}

function changeImage(review_id, is_closed) {
    var span = $('review_' + review_id);
    var new_image = null;
    var dummy = new Element('span');
    if (is_closed) {
        dummy.insert(showClosedReviewImageTag);
    }
    else {
        dummy.insert(showReviewImageTag);
    }
    new_image = dummy.down().getAttribute('src');
    //alert(new_image);
    span.down('img').setAttribute('src', new_image);

}

function make_addreview_link(project, link) {
    var alist = $('#content p a');
    if (alist == null) {
        return;
    }
    var a = alist[0];
    var p = a.parentNode;
    p.innerHTML = p.innerHTML + " | " + link;
}

function call_update_revisions(url) {
    var changeset_ids = '';
    var links = $$('table.changesets tbody tr.changeset td.id a');
    for (var i = 0; i < links.length; i++) {
        var link = links[i];
        var href = link.getAttribute('href');
        var id = href.replace(/^.*\/revisions\//, '');
        if (i > 0) {
            changeset_ids += ',';
        }
        changeset_ids += id;
    }
    new Ajax.Updater('code_review_revisions', url,
    {
        evalScripts:true,
        method:'get',
        parameters: 'changeset_ids=' + encodeURI(changeset_ids)
    });
}

$.fn.serialize2json = function()
{
   var o = {};
   var a = this.serializeArray();
   $.each(a, function() {
       if (o[this.name]) {
           if (!o[this.name].push) {
               o[this.name] = [o[this.name]];
           }
           o[this.name].push(this.value || '');
       } else {
           o[this.name] = this.value || '';
       }
   });
   return o;
};