fcf.module({
  name: "fcfControls:templates/table.hooks.js",
  dependencies: ["fcf:NTools/view.js"],
  module: function(toolsView){
    var NFilter = fcf.prepareObject(fcf, "NFSQL.NFilter");

    return {
      hooksProgramableArgument: {
        "columns": function(a_taskInfo){
          let columns = typeof a_taskInfo.args.columns === "object" ? a_taskInfo.args.columns : [];
          let newColumns = [];
          fcf.each(columns, (k, v)=>{
            if (v.inner)
              return;
            newColumns.push(v);
          });
          return newColumns;
        },
        "_links": function(a_taskInfo){
          var links = [];
          var filter = a_taskInfo.args.filter;
          var patternArgs = undefined;
          var patternLinkArgs = undefined;
          fcf.each(a_taskInfo.args.value, function(indexRow, row){
            if (filter) {
              patternArgs = {
                record: row,
                index: indexRow,
                row:   indexRow,
                args:  a_taskInfo.args,
              };
              patternLinkArgs = {
                id:         a_taskInfo.args.fcfId, 
                references: {record: 'value["' + indexRow + '"]', args: ''}
              };
              if (!fcf.pattern(filter, patternArgs, patternLinkArgs))
                return;
            }
            links.push({row: indexRow, index: indexRow, columns: []});

            fcf.each(a_taskInfo.args.columns, function(a_indexColumn, a_column){
              links[links.length-1].columns.push({ row: indexRow, index: indexRow, column: a_indexColumn});
            });
          });

          return fcf.actions()
          .then(function(a_res, a_act){
            if (fcf.empty(a_taskInfo.args.search)) {
              a_act.complete();
              return;
            }

            toolsView.getFilters(a_taskInfo.args.columns)
            .then(function(a_filters){
              var newLinks = [];
              var search = a_taskInfo.args.search.toLowerCase();
              for(var linkIndex = 0; linkIndex < links.length; ++linkIndex){
                var found = false;
                var record  = a_taskInfo.args.value[links[linkIndex].row];
                var lnkColumns = links[linkIndex].columns;
                for(var indexColumn = 0; indexColumn < lnkColumns.length; ++indexColumn){
                  var view = a_taskInfo.args.columns[lnkColumns[indexColumn].column];
                  var value = record[view.alias];
                  if (value == undefined)
                    continue;
                  var frValue = a_filters[view.alias].friendly(view, value);
                  if (frValue.toLowerCase().indexOf(search) != -1){
                    found = true;
                    break;
                  }
                }
                if (found)
                  newLinks.push(links[linkIndex]);
              }
              links = newLinks;
              a_act.complete();
            })
            .catch(function(a_error){
              a_act.error(a_error);
            })

          })
          .then(function(){
            var length = links.length;
            
            var page    = fcf.range(a_taskInfo.args.page, 1, Math.floor(length / a_taskInfo.args.outputRowCount) + ( (length % a_taskInfo.args.outputRowCount != 0) ? 1 : 0 ));
            a_taskInfo.setArg("_page", page);

            var beginRecord = fcf.range(a_taskInfo.args.outputRowCount * (page-1), 0, fcf.max(0, length-1));
            var endRecord   = fcf.range(beginRecord + a_taskInfo.args.outputRowCount, 0, fcf.max(0, length));
            var pageCount   = length % a_taskInfo.args.outputRowCount ? Math.floor(length / a_taskInfo.args.outputRowCount) + 1
                                                                      : Math.floor(length / a_taskInfo.args.outputRowCount);
            a_taskInfo.setArg("_pageCount", pageCount);


            return links.slice(beginRecord, endRecord);
          })

        }
      },

    };
  },
});
