import rcade/player

/// State of a player's spinner (rotary encoder).
pub type Spinner {
  Spinner(step_delta: Int, angle: Float, step_resolution: Int)
}

/// Read a player's spinner state. The step delta is is reset to 0 on read.
pub fn read(player: player.Player) -> Spinner {
  do_read(player.to_int(player))
}

@external(javascript, "./spinner_ffi.mjs", "read_spinner")
fn do_read(player: Int) -> Spinner

/// Reset a player's spinner angle to 0.
pub fn reset_angle(player: player.Player) -> Nil {
  do_reset_angle(player.to_int(player))
}

@external(javascript, "./spinner_ffi.mjs", "reset_angle")
fn do_reset_angle(player: Int) -> Nil

/// Whether the spinner hardware is connected.
@external(javascript, "./spinner_ffi.mjs", "connected")
pub fn connected() -> Bool