#!/usr/bin/env bash
# Estimate the size of a music directory if FLACs are lossy compressed

MUSIC_DIR="${1:-/home/bryan/media/music}"

# Sum existing MP3s
MP3_BYTES=$(find "$MUSIC_DIR" -type f -iname "*.mp3" -exec du -b {} + | awk '{sum+=$1} END{print sum}')

# Sum FLACs
FLAC_BYTES=$(find "$MUSIC_DIR" -type f -iname "*.flac" -exec du -b {} + | awk '{sum+=$1} END{print sum}')

# Estimate FLACs as 160k Ogg (roughly 1/8 size of FLAC)
EST_FLAC_OGG=$(( FLAC_BYTES / 8 ))

# Total estimated size
TOTAL_EST=$(( MP3_BYTES + EST_FLAC_OGG ))

# Human-readable
EST_HR=$(numfmt --to=iec-i --suffix=B "$TOTAL_EST")
echo "Estimated total size (MP3 + FLAC → 160k Ogg): $EST_HR"