package jp.ymir.taskReporter.core
import java.text.SimpleDateFormat
import java.util.Calendar
import java.util.GregorianCalendar
import javax.swing.table.AbstractTableModel
import scala.collection.immutable._

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

  def this() = this(new GregorianCalendar())

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

  def apply(idx: Int) = _tasks(idx)

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

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

  /* Method definitions for AbstractTableModel
   */
  def getColumnCount = 6
  def getRowCount    = _tasks.size

  override def getColumnName(column: Int) : String = {
    column match {
      case 0 => "チケットID"
      case 1 => "作業名"
      case 2 => "作業完了予定年月日"
      case 3 => "タスク期限"
      case 4 => "状態"
      case 5 => "説明"
    }
  }

  def getValueAt(row: Int, column: Int) : Object = {
    val task = _tasks(row)
    column match {
      case 0 => task.ticketID.map(_.toString).getOrElse("")
      case 1 => task.title
      case 2 => dateString(task.expectedCompletionDate)
      case 3 => task.deadline.map(dateString).getOrElse("")
      case 4 => task.status
      case 5 => task.description.getOrElse("")
    }
  }
}