package lu.foyer
package contracts

import zio.*

class ContractEventRepositoryInMemory(events: Ref[Map[String, Event[ContractEvent]]])
    extends EventRepository[ContractEvent]
    with InMemoryRepository[Event[ContractEvent]](events):
  def fetchOne(entityId: String, eventId: String): Task[Option[Event[ContractEvent]]] =
    events.get.map(_.get(eventId))
  def fetchMany(entityId: String, page: Page): Task[Paged[Event[ContractEvent]]] =
    events.get
      .map(entities =>
        val items = entities.values
          .filter(_.entityId == entityId)
          .drop(page.number.getOrElse(0) * page.size.getOrElse(50))
          .take(page.size.getOrElse(50))
        Paged(items.toList, if page.totals.getOrElse(true) then Some(entities.size) else None)
      )

object ContractEventRepositoryInMemory:
  val layer = ZLayer.fromZIO(Ref.make(Map.empty).map(ContractEventRepositoryInMemory(_)))