#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n'

INPUT_DIR="$1"
OUTPUT_DIR="$2"
# Script used to transcode a directory
# full of .flac files to .ogg
if [[ -z "$INPUT_DIR" ]] || [[ -z "$OUTPUT_DIR" ]]; then
  echo "$(basename $0) <input directory> <output directory>"
  exit 1
fi

ALL_FILES=$(find "$INPUT_DIR" -name "*.flac")

for item in $ALL_FILES;
do
  local_filename="${item//$INPUT_DIR/}"
  replaced_dir="${item//$INPUT_DIR/$OUTPUT_DIR}"
  output_file="${replaced_dir//.flac/.ogg}"
  if [[ -f "$output_file" ]]; then
    echo "Skipping $local_filename"
    continue
  fi
  echo "Encoding $local_filename"
  oggenc -q 6 -Q -o $output_file $item &
done

wait