package gw.rating.rtm.domain
uses gw.rating.rtm.domain.table.RateTableModel
uses java.lang.Exception
uses gw.api.system.PCLoggerCategory

class DatabasePopulator implements RateTablePopulator {

  override function populate(model : RateTableModel, errorCollector : ErrorCollector) : RateTableModel {
    return model
  }

  override function refresh(model : RateTableModel) {
    model.resetFactorRows()
    doPopulate(model)
  }
  
  override function startInEditMode() : boolean {
    return false
  }

  private function doPopulate(model : RateTableModel) : RateTableModel {
    try {
      var rows = model.RateTable.Factors
      if (rows.Empty) {
        model.RateTable.NewRowsFromBundle.each(\ r -> {
          model.addFactorRow(r)
        })
      } else { 
        // can't do this because it tries to do bundle transfers
        addToModel(model, rows)
      }
      model.sortFactorRows()
    } catch (ex : Exception) {
      PCLoggerCategory.RATING.error("Failed to read factors for table ${model.RateTable}", ex)
      throw "Failed to read factors for table ${model.RateTable}"
    }
    return model
  }
  
  private function addToModel(model : RateTableModel, rows : List<KeyableBean>) {
    var bundle = model.RateTable.Bundle
    rows.each(\ row -> {
      var r = bundle.add(row)
      model.addFactorRow(r)
    })
  }
}