package common

type Move int

const (
  Rock Move = iota
  Paper
  Scissor
)

type Round struct {
  Opponent Move
  Response Move
}

func (round Round) GetScore() int {
  score := 0
  switch round {
    case Round{Rock, Rock}:
      score += 4
    case Round{Rock, Paper}:
      score += 8
    case Round{Rock, Scissor}:
      score += 3
    case Round{Paper, Rock}:
      score += 1
    case Round{Paper, Paper}:
      score += 5
    case Round{Paper, Scissor}:
      score += 9
    case Round{Scissor, Rock}:
      score += 7
    case Round{Scissor, Paper}:
      score += 2
    case Round{Scissor, Scissor}:
      score += 6
  }
  return score
}

func GetTotalScore(rounds []Round) int {
  score := 0
  for _, round := range rounds {
    score += round.GetScore()
  }
  return score
}