package gw.exportimport

uses gw.api.database.IQueryBeanResult
uses gw.api.database.Query
uses gw.api.effdate.EffDatedFinderUtil

@ReadOnly
class PublicIdEntityFinder {

  /**
   * Finds a bean with given public id or creates a new bean.
   * Will throw if trying to find a bean with an invalid PublicID or if trying to create a new
   * non-EffDated bean
   * @return The found or created {@link KeyableBean}
   */
  static function findBean(period : PolicyPeriod, id : String, beanType : Type<KeyableBean>) : KeyableBean {
    var beans = Query.make(beanType).compare("PublicID", Equals, id).withFindTemporaryBranches(true).select()
    if (beans.Empty) {
      return null
    }
    var bean = beans.single()
    if (bean typeis EffDated) {
      if (bean.BranchUntyped.ID != period.ID) {
        var beanQuery = Query.make(beanType)
            .withFindTemporaryBranches(true)
            .compare("BranchValue", Equals, period.ID)
            .compare("Fixed", Equals, bean.FixedId)
        EffDatedFinderUtil.addRestrictionsForEffectiveOnDate(beanQuery, period.EditEffectiveDate)
        var periodBeans = beanQuery.select() as IQueryBeanResult<EffDated>
        if (periodBeans.Empty) {
          return null
        }
        bean = periodBeans.single()
      }
      bean = bean.getSliceUntyped(period.EditEffectiveDate)
    } 
    bean = period.Bundle.add(bean)
    return bean
  }
}