package application.model
  
  import java.io.File

  import java.time.ZoneOffset

  import java.util.*

  fun createVesselCollection(file: File): SortedMap<String, Vessel> {
      val messages: ArrayList<Message> = arrayListOf()

      val vessels: SortedMap<String, Vessel> = sortedMapOf()

      var maxTime: Long = 0
      var minTime: Long = Long.MAX_VALUE

  
      file.forEachLine {
          val arrayMessage = it.split(",")
          if (arrayMessage[0].toIntOrNull() !== null) {
              val message = Message(arrayMessage)
              messages.add(message)

              if (!vessels.containsKey(message.mmsi.value)) {

                  vessels[message.mmsi.value] = Vessel(message.mmsi.value!!)

              }

              val time = message.time.date.toEpochSecond(ZoneOffset.UTC)

              vessels[message.mmsi.value]?.messages?.set(time, message)
              if (time > maxTime) {
                  maxTime = time
              }
              if (time < minTime){
                  minTime = time
              }

          }

      }

      Vessel.maxTime = maxTime
      Vessel.minTime = minTime

      return vessels
  }