package jp.ymir.taskReporter.core
import java.util.Calendar
import java.text.SimpleDateFormat
import scala.collection.immutable._

class Report(private val _date: Calendar) {
  private var _tasks : Seq[Task] = Vector()

  def date : Calendar = _date
  def size : Int      = _tasks.size

  def +=(task: Task) {
    require(task.date == _date)
    _tasks = _tasks :+ task
  }

  def dateString : String = {
    val fmt = new SimpleDateFormat("yyyy-MM-dd")
    fmt.format(_date.getTime)
  }
}