package gw.rating.rtm.valueprovider

uses java.lang.Comparable
uses gw.rating.rtm.domain.RateBookVisitor
uses gw.rating.rtm.domain.table.RateTableCell
uses gw.rating.rtm.domain.ErrorCollectingVisitor
uses gw.rating.rtm.domain.ErrorCollector
uses gw.rating.rtm.domain.table.RateTableRow

class ValueProviderVisitor extends ErrorCollectingVisitor {
  delegate _visitor : RateBookVisitor represents RateBookVisitor
  var _repo : RateTableCellValueProviderFactory
  var _ratingRow: RateTableRow

  construct(collector : ErrorCollector, repo : RateTableCellValueProviderFactory, visitor : RateBookVisitor) {
    super(collector)
    this._visitor = visitor
    this._repo = repo
  }

  construct(repo : RateTableCellValueProviderFactory, visitor : RateBookVisitor) {
    this(null, repo, visitor)
  }

  override function visit(ratingRow : RateTableRow) {
    _visitor.visit(ratingRow)
    _ratingRow = ratingRow
  }

  override function visitString(ratingCell : RateTableCell<Comparable>) {
    _visitor.visitString(ratingCell)
    var ratingCellValue = ratingCell.Value as String
    var checkForCode = (ratingCellValue != null and not ratingCellValue.Empty)
    if (checkForCode and !_repo.getValueProviderFor(ratingCell).containsCodeFor(ratingCell)) {
      addCellError(_ratingRow, ratingCell, RateTableErrorType.TC_INVALIDCODEVALUE)
      ratingCell.Value = null
    }
  }
}