#!/usr/bin/env bash
set -euo pipefail

SRC="${1:-}"
VOL="${2:-0.9}"

SNAP_IP="127.0.0.1"
SNAP_PORT="4953"

if [[ -z "$SRC" ]]; then
  echo "Usage: $0 <file.wav|http(s)://...> [vol]"
  exit 1
fi

if [[ "$SRC" =~ ^https?:// ]]; then
  curl -sL "$SRC" | \
    sox -t wav - \
      -t raw -r 48000 -c 2 -b 16 -e signed-integer - \
      vol "$VOL" | \
    nc -q 1 "$SNAP_IP" "$SNAP_PORT"
else
  sox "$SRC" \
      -t raw -r 48000 -c 2 -b 16 -e signed-integer - \
      vol "$VOL" | \
    nc -q 1 "$SNAP_IP" "$SNAP_PORT"
fi