package gw.rating.flow.domain

uses gw.rating.flow.util.TypeMaps

class DefaultSourceArgument extends RateTableStepArgument {

  var _argSourceStr : String as readonly ArgumentSourceString
  var _calcRoutineParamName : CalcRoutineParamName as readonly CalcRoutineParamName
  var _isModifier : Boolean as readonly IsModifier
  var _valueType : String as readonly ArgumentValueType

  construct(argDefinition : CalcStepDefinitionArgument) {
    super(argDefinition)
    var argSrcSetCode = argDefinition.Operand.ArgumentSourceSetCode
    var argSrcSet = argDefinition.RateTableMatchOp.getArgumentSource(argSrcSetCode)
    _argSourceStr = argSrcSet.ArgumentSource
    _calcRoutineParamName = argSrcSet.Root
    _isModifier = argSrcSet.IsModifier
    _valueType = TypeMaps.rateTableColumnTypeToType(argDefinition.RateTableMatchOp.Params.first().ColumnType).Name
  }

  override function genRateQueryParam(pos : int) : String {
    var symbol = ParseUtil.getInScopeVariableKey(CalcRoutineParamName)
    var value : String
    if (IsModifier) {
      value = generateCodeForInScopeModifier(CalcRoutineParamName, ArgumentSourceString, ArgumentValueType)
    } else {
      value = "${symbol}" + (ArgumentSourceString.HasContent ? ".${ArgumentSourceString}" : "")
    }
    return ".withParam(${pos}, ${value})"
  }
}