window.only_noviewed = false;
        $(document).on('change', '[name="by_radio"]', function(){
            if ($('#myModal1').length == 0) {
                if (!window.only_noviewed) {
                    $('[viewed=True]').fadeOut('slow');
                    window.only_noviewed = true;
                } else {
                    $('[viewed=True]').fadeIn('slow');
                    window.only_noviewed = false;
                }
            } else {
                $('#myModal1').modal('show')
            }
        });
function set_favorit(block) {
    if ($('#myModal1').length == 0){
            $.ajax({
            type: 'POST',
              url: '/library/set_favorite/',
              data: {'art': $(block).attr('article_id')},
                async: false,
              success: function(data) {
                  if (data['code'] == '1') {
                      $('[class=article_point][article_id=' + $(block).attr('article_id') + ']').attr('favorite', true);
                      $(block).attr('id', 'active');
                      $(block).attr('onclick', 'unset_favorit(this)');
                      if (!window.favorite_count){
                          window.favorite_count = 1;
                      } else {
                          window.favorite_count += 1
                      }
                      if (window.favorite_count > 0){
                          $('[name=favorite_button]').fadeIn('slow');
                      } else {
                          $('[name=favorite_button]').fadeOut('slow');
                      }
                      $('[name="favorite_count"]').html(window.favorite_count)
                  } else {
                      console.log(data['response'])
                  }
              }
            });
    } else {
        $('#myModal1').modal('show')
    }
}
function ajax_set_favorit(block) {
    if ($('#myModal1').length == 0){
    $(block).attr('class', 'active');
    $(block).attr('onclick', 'ajax_unset_favorit(this)');
            $.ajax({
            type: 'POST',
              url: '/library/set_favorite/',
              data: {'art': $(block).attr('article_id')}
            });
    } else {
        $('#myModal1').modal('show')
    }
}
function articles_length() {
    var result = 0;
        $.ajax({
            type: 'GET',
            url: '/library/get_articles_length/',
            async: false,
            success: function (data) {
                if (data['code'] == '1') {
                    result = data['data']
                } else {
                    console.log(data['response'])
                }
            }
        });
    return result;

}
function unset_favorit(block) {
    if ($('#myModal1').length == 0){
            $.ajax({
            type: 'POST',
              url: '/library/unset_favorite/',
              data: {'art': $(block).attr('article_id')},
                async: false,
              success: function(data) {
                  if (data['code'] == '1') {
                      $('[class=article_point][article_id=' + $(block).attr('article_id') + ']').attr('favorite', false);
                      $(block).attr('id', '');
                      $(block).attr('onclick', 'set_favorit(this)');
                      if (!window.favorite_count){
                          window.favorite_count = 0;
                      } else {
                          window.favorite_count -= 1
                      }
                      if (window.favorite_count > 0){
                          $('[name=favorite_button]').fadeIn('slow');
                      } else {
                          $('[name=favorite_button]').fadeOut('slow');
                      }
                      $('[name="favorite_count"]').html(window.favorite_count)
                  } else {
                      console.log(data['response'])
                  }
              }
            });
    } else {
        $('#myModal1').modal('show')
    }
}

function ajax_unset_favorit(block) {
    if ($('#myModal1').length == 0){
    $(block).attr('class', '');
    $(block).attr('onclick', 'ajax_set_favorit(this)');
            $.ajax({
            type: 'POST',
              url: '/library/unset_favorite/',
              data: {'art': $(block).attr('article_id')}
            });
    } else {
        $('#myModal1').modal('show')
    }
}

function ajax_unset_like(block) {
    if ($('#myModal1').length == 0){
        $('[name=like_thanks]').fadeOut('slow');
    $(block).attr('class', '');
    $(block).attr('onclick', 'ajax_set_like(this)');
            $.ajax({
            type: 'POST',
              url: '/library/unset_like/',
              data: {'id': $(block).attr('article_id')}
            });
    } else {
        $('#myModal1').modal('show')
    }
}

function ajax_set_like(block) {
    if ($('#myModal1').length == 0){
        $('[name=like_thanks]').fadeIn('slow');
    $(block).attr('class', 'active');
    $(block).attr('onclick', 'ajax_unset_like(this)');
            $.ajax({
            type: 'POST',
              url: '/library/set_like/',
              data: {'id': $(block).attr('article_id')}
            });
    } else {
        $('#myModal1').modal('show')
    }
}

function check_favorit(id) {
    var block = $('i[article_id='+id+']')
            $.ajax({
            type: 'GET',
              url: '/library/check_favorite/',
              data: {'id': id},
              success: function(data) {
                  if (data['code'] == '1'){
                      $('[class=article_point][article_id='+id+']').attr('favorite', true);
                      $(block).attr('id', 'active');
                      $(block).attr('onclick', 'unset_favorit(this)');
                      if (!window.favorite_count){
                          window.favorite_count = 1;
                      } else {
                          window.favorite_count += 1
                      }
                      $('[name="favorite_count"]').html(window.favorite_count)
                  } else {
                      $('[class=article_point][article_id='+id+']').attr('favorite', false);
                      $(block).attr('id', '');
                      $(block).attr('onclick', 'set_favorit(this)');
                  }
              }
            });
}

function set_like(id) {
    if ($('#myModal1').length == 0) {
        var count = parseInt($('[name=like_count]').html(), 10);
        $.ajax({
            type: 'POST',
            url: '/library/set_like/',
            data: {'id': id},
            success: function (data) {
                if (data['code'] == '1') {
                    $('[name=like_count]').html(count + 1)
                    $('[name=like_thanks]').fadeIn('slow');
                } else {
                    console.log(data['response'])
                }
            }
        });
    } else {
        $('#myModal1').modal('show')
    }
}

function unset_like(id) {
    if ($('#myModal1').length == 0) {
        var count = parseInt($('[name=like_count]').html(), 10);
        $.ajax({
            type: 'POST',
            url: '/library/unset_like/',
            data: {'id': id},
            success: function (data) {
                if (data['code'] == '1') {
                    $('[name=like_count]').html(count + 1)
                } else {
                    console.log(data['response'])
                }
            }
        });
    } else {
        $('#myModal1').modal('show')
    }
}

function refresh_like(id) {
        $.ajax({
            type: 'GET',
            url: '/library/refresh_like/',
            data: {'id': id},
            success: function (data) {
                if (data['code'] == '1') {
                    $('[name=like_count]').html(data['data'])
                } else {
                    console.log(data['response'])
                }
            }
        });
}

function get_random_article(id) {
    var result = '';
        $.ajax({
            type: 'GET',
            url: '/library/get_random_article/',
            data: {'id': id},
            async: false,
            success: function (data) {
                result = data['data'];
            }
        });
    return result;
}

function send_comment(form, root){
    // Проверить комментарий
    // Отправить
    if (window.EDITOR.getValue()){
        $('[name=sent_comment_progress]').show();
        $('[name=comment_sent_text]').val(window.EDITOR.getValue());
                $.ajax({
                  type: 'POST',
                  url: '/library/sent_comment/',
                  data: $('[name='+form+']').serialize(),
                  success: function(data){
                    if(data['code'] == '1'){
                        $('[name=sent_comment_progress]').hide();
                        document.forms[form].reset();
                        window.EDITOR.setValue('');
                        reload_lesson_comments(data['data']);
                        $('[name='+$('#'+root).attr('sketch_place')+']').html('')
                    }
                  }
                });

    } else {
        show_system_message('Введите текст сообщения')
    }
}

function write_comment(block, data){
    var message;
    var user_status;
    var reply;
    if (NotEmpty(data)) {
        if (!NotEmpty(data['replies'])) {
            reply = ''
        } else {
            reply = '<img src="/static/img/1442036154_reply-circle-blue.png" style="margin-left: 30px;">' +
                '<Br>' +
                '<div class="m-b b-l m-l-md streamline" parent_id="' + data['id'] + '" style="margin-left: 75px;margin-top: -25px;"></div>';
        }
        if (NotEmpty(data['files']) && !data['closed']) {
            message = '<div name="message_files" message_id="' + data['id'] + '"></div>'
        } else {
            message = '';
        }
        var comment_id = '';
        if ($('[name=REQUEST_USER_ROLE]').val() == 'A'){
            comment_id = '<a href="'+location.protocol + '//'+ location.host+ '/admin/management/comment/'+data['id']+'" target="_blank" style="font-weight: bold;border-bottom: 1px dotted;margin-left: 10px;">ID:'+data['id']+'</a>';
        }
        user_status = '<label style="'+data['owner_type']['style'] + '" class="label ' + data['owner_type']['background'] + ' m-l-xs">' + data['owner_type']['title'] + '</label>' + comment_id;
        var background;
        if (data['owner_type']['flag'] == 'A') {
            background = "#f5fce5;"
        } else {
            background = ''
        }
        var avatar;
        if (data['closed']) {
            avatar = '<span class="pull-left thumb-sm avatar m-l-n-md"><img src="/static/img/1442473207_delete.png"></span>'
        } else {
            avatar = '<span class="pull-left thumb-sm avatar m-l-n-md">' +
                '<img src="' + data['owner_avatar'] + '" class="img-circle">' +
                '</span>'
        }
        var head;
        if (data['closed']) {
            head = '<div class="panel-heading pos-rlt b-b b-light" style="background: #f1f1f1; color: #ccc;">' +
                '<span class="arrow left" style="display: none;"></span>' +
                'КОММЕНТАРИЙ УДАЛЕН' +
                '<span class="text-muted m-l-sm pull-right">' +
                '</span></div>'
        } else {
            head = '<div class="panel-heading pos-rlt b-b b-light">' +
                '<span class="arrow left" style="display: none;"></span>' +
                '<b style="margin-right: 5px;">' + data['owner'] + '</b>' +
                '<span class="arrow left" style="border-right-color: ' + background + '"></span>' + user_status +
                '<span class="text-muted m-l-sm pull-right">' +
                //'<button class="btn like_button" title="Мне нравится"><i class="glyphicon glyphicon-heart"></i><span name="like_count" class="like_count">1</span> <span class="visible-lg-inline">Мне нравится</span></button>' +
                //'<button class="btn complain_button" title="Пожаловаться"><i class="glyphicon glyphicon-fire"></i> <span class="visible-lg-inline">Пожаловаться</span></button>' +
                '<i class="fa fa-clock-o" title="Дата записи: ' + data['date'] + '"></i><span class="hidden-xs" style="margin-left: 5px;">' + data['date'] + '</span></span></div>'
        }
        var reply_button;
        var text;
        if (data['closed']) {
            reply_button = '';
            text = '<div class="panel-body" style="display: none;">'
        } else {

            if (data['owner_id'] == $('[name=REQUEST_USER_ID]').val()) {
                reply_button = '<a type="button" class="btn btn-danger btn-xs" onclick="do_delete_comment(' + data['id'] + ')">' +
                    '<i class="glyphicon glyphicon-remove"></i>&nbsp;Удалить</a>'
            } else {
                reply_button = '<a type="button" class="btn btn-default btn-xs" onclick="reply_comment(' + data['id'] + ')"><i class="fa fa-mail-reply text-muted"></i>&nbsp;Ответить</a>';
                if ($('[name=REQUEST_USER_ROLE]').val() == 'A') {
                    reply_button += '<a type="button" class="btn btn-danger btn-xs" style="margin-left: 10px;" ' +
                        'onclick="do_delete_comment(' + data['id'] + ')"><i class="glyphicon glyphicon-remove"></i>&nbsp;Удалить</a>'
                }
            }
            text = '<div class="panel-body" readable_comment="'+data['id']+'" style="padding: 0 15px;background: #f1f1f1;"><iframe style="width: 100%; border: 0;" srcdoc=\'<div class="m-b-xs" style="font-family: exo_2regular, Helvetica Neue, Helvetica, Arial, sans-serif;font-size: 14px;-webkit-font-smoothing: antialiased;line-height: 1.42857143;color: #58666e;background-color: transparent;">' + data['text'] + '</div>\' sandbox="allow-top-navigation"></iframe></div>'
        }


        $(block).append('<a name="comment_' + data['id'] + '"></a><div name="comment_' + data['id'] + '">' +
            avatar +
            '<div class="m-l-lg panel b-a" style="background: ' + background + '">' +
            head +
            text +
            message +
            '<div class="m-t-sm" style="    margin-top: 0;padding: 10px;">'
            + reply_button +
            '</div>' +
            '</div>' +
            '</div>' +
            '</div>' + reply);

        for (var r = 0; r < data['replies'].length; r++) {
            write_comment($('[parent_id=' + data['id'] + ']'), data['replies'][r])
        }
        var file_block = $('[name=message_files][message_id=' + data['id'] + ']');
        for (var n = 0; n < data['files'].length; n++) {
            var file_id = '';
            var target = '';
            var context = '';
            if (data['files'][n]['format'] == 'I') {
                file_id = 'single_image';
                target = '__blank';
                context = '<img src="' + data['files'][n]['url'] + '" style="display: none;">';
            }
            var m = '<div class="panel m-b-none"' +
                ' style="box-shadow: none; border: 1px solid rgba(0, 0, 0, 0.05); padding: 4px; margin-bottom: 3px !important;">' +
                '<a href="' + data['files'][n]['url'] + '" target="' + target + '" id="' + file_id + '">' + context +
                '<i class="' + data['files'][n]['icon'] + ' text-primary"></i> &nbsp;' +
                data['files'][n]['title'] +
                '<span class="text-u-l" style="margin-left: 5px;">' + data['files'][n]['name'] + '</span></a></div>';
            file_block.append(m);
        }
        $("a#single_image").fancybox();
    }
}
function load_lesson_comments(type, reload_data){
    $('[name=lesson_comments_empty]').hide();
    $('[name=lesson_comments_block]').show();
    var comment_block = $('[name=lesson_comments_block]');
        $.ajax({
              type: 'POST',
              url: '/library/load_comments/',
              data: {'lesson': comment_block.attr('lesson_id')},
              success: function(data) {
                  $('[name=lesson_comments_load]').hide();
                  comment_block.show();
                  if (data['code'] == 0){
                      $('[name=lesson_comments_empty]').show();
                      $('[name=lesson_comments_block]').hide();
                      $('[name=comments_length]').html('0');
                  } else {
                      if (NotEmpty(data['data'])) {
                          for (var i = 0; i < data['data'].length; i++) {
                              write_comment(comment_block, data['data'][i]);
                          }
                          if (type == 'reload' && reload_data) {
                              location.hash = '';
                              location.hash = 'comment_' + reload_data
                          }
                         $('[name=comments_length]').html(window.lesson_comments_length);
                      } else {
                          $('[name=lesson_comments_empty]').show();
                          $('[name=lesson_comments_block]').hide();
                          $('[name=comments_length]').html('0');
                      }
                  }
              }
            });
}
function reload_lesson_comments(data){
    $('[name=lesson_comments_load]').show();
    $('[name=lesson_comments_block]').html('');
    if (NotEmpty(data)){
        load_lesson_comments('reload', data)
    } else {
        load_lesson_comments('reload')
    }

}
function reply_comment(id){
    $('[name=reply_for_comment_id]').val(id);
}
function get_lesson_comments_length(){
            $.ajax({
              type: 'GET',
              url: '/library/get_comments_length/',
                async: true,
              data: {'id': $('[name=ARTICLE_ID]').val()},
              success: function(data){
                  if (data['code'] == '1'){
                      var comments_length = data['data'];
                    if (window.lesson_comments_length != comments_length){
                        reload_lesson_comments();
                        window.lesson_comments_length = comments_length
                    }
                  } else {
                      //show_system_message(data['response'])
                  }
              }
            });
}

function get_all_views_length(){
            $.ajax({
              type: 'GET',
              url: '/library/get_all_views_length/',
              async: true,
              success: function(data){
                  if (data['code'] == '1'){
                      $('[name=all_article_views]').html(data['data'])
                  } else {
                      //show_system_message(data['response'])
                  }
              }
            });
}