#!/usr/bin/env bash

AZIMUTH_FILE=/tmp/skeledance-camera-azimuth
ROTATION_FILE=/tmp/skeledance-camera-rotation
POSITION=${1:-leste}

case "$POSITION" in
  norte|north) AZIMUTH=0 ;;
  leste|east)  AZIMUTH=90 ;;
  sul|south)   AZIMUTH=180 ;;
  oeste|west)  AZIMUTH=270 ;;
  *)
    if [[ "$POSITION" =~ ^-?[0-9]+([.][0-9]+)?$ ]]; then
      AZIMUTH=$POSITION
    else
      printf 'Uso: %s norte|leste|sul|oeste|GRAUS\n' "$0" >&2
      exit 2
    fi
    ;;
esac

printf '%s\n' "$AZIMUTH" > "$AZIMUTH_FILE"
printf '0\n' > "$ROTATION_FILE"
printf 'Câmera fixa em %s°\n' "$AZIMUTH"