package gw.contact
uses gw.api.domain.archiving.MergeableReferenceable
uses gw.api.database.Query
uses gw.api.database.Relop
uses java.lang.IllegalStateException

class AddressMergeableReferenceableImpl implements MergeableReferenceable {

  var _address : Address

  construct(address : Address) {
    _address = address
  }

  override function findMergeReplacement() : KeyableBean {
    var query = Query.make(AddressReplacement)
    query.compare(AddressReplacement#MergedPublicID, Relop.Equals, _address.PublicID)
    var replacement = query.select().AtMostOneRow
    
    // now inspect bundle and overlay
    var beansInBundle = _address.Bundle.getBeansByRootType(AddressReplacement).whereTypeIs(AddressReplacement).where(\ acrRep -> acrRep.MergedPublicID == _address.PublicID)
    if (beansInBundle.Count > 0) {
      if (beansInBundle.Count == 1) {
        replacement = beansInBundle.single()
      } else {
        throw new IllegalStateException("More than one bean in bundle with MergedPublicID: ${_address.PublicID}")
      }
    }
    
    return replacement != null ? replacement.ReplacementAddress : _address
  }

}