package snake
package pong

import PongModel.*

/** m11 pong view: the same Scene shapes as the snake view, so the same drawScene and runtime draw it. */
object PongView:

  private def text(x: Int, y: Int, str: String, size: Int): Shape = Shape.Text(x, y, str, "#ffffff", size, "center")

  private def paddle(column: Int, y: Int): Shape =
    Shape.Rect(column * PCELL, y * PCELL, PCELL, PADDLE * PCELL, "#ffffff")

  private def overlay(state: PongState): Scene = state.status match
    case PongStatus.Over =>
      List(
        text(320, 200, if state.score.player > state.score.cpu then "You Win!" else "CPU Wins", 32),
        text(320, 230, "Press R to restart", 16)
      )
    case PongStatus.Playing => Nil

  def pongView(state: PongState): Scene =
    List(
      Shape.Rect(0, 0, 640, 400, "#111111"),
      paddle(PLAYER_X, state.player),
      paddle(CPU_X, state.cpu),
      Shape.Rect(state.ball.x * PCELL, state.ball.y * PCELL, PCELL, PCELL, "#ffeb3b"),
      text(320, 30, s"${state.score.player}   ${state.score.cpu}", 24)
    ) ++ overlay(state)