#!/usr/bin/env sh
# Compress all .log files not modified today across all character subdirs.
# Expects /logs to be mounted from the host.

LOG_DIR="${LOG_DIR:-/logs}"
TODAY=$(date +%Y-%m-%d)

find "$LOG_DIR" -maxdepth 2 -name "*.log" | while read -r f; do
  FILE_DATE=$(date -r "$f" +%Y-%m-%d 2>/dev/null)

  if [ "$FILE_DATE" = "$TODAY" ]; then
    echo "[$(date +%H:%M:%S)] Skipping active log: $f"
    continue
  fi

  echo "[$(date +%H:%M:%S)] Compressing: $f"
  if zstd -19 --rm -q "$f"; then
    echo "[$(date +%H:%M:%S)] Done: ${f}.zst"
  else
    echo "[$(date +%H:%M:%S)] ERROR compressing: $f" >&2
  fi
done

echo "[$(date +%H:%M:%S)] Compression run complete."