#!/usr/bin/env zsh
emulate -L zsh
export LC_ALL=C
AUDIT="$HOME/msd512-audit"
JF="$HOME/Library/Application Support/Jellyfin"
DST="/Volumes/photos library iCloud"

pgrep -f -i jellyfin > /dev/null && { print "FATAL: Jellyfin is running. Quit it first."; exit 1; }
[[ -d "$JF" ]] || { print "FATAL: datadir not found: $JF"; exit 1; }
[[ -d "$DST/Media/Jellyfin/Movie" && -d "$DST/Media/Jellyfin/TV" ]] || { print "FATAL: migrated media dirs missing. Phase 3/4 incomplete."; exit 1; }

BK="$AUDIT/jellyfin-backup-$(date +%Y%m%d-%H%M%S)"
ditto "$JF" "$BK" || { print "FATAL: backup failed"; exit 1; }
print "backup: $BK ($(du -sh "$BK" | cut -f1))"

M="$JF/root/default/Movies/Movie.mblink"
T="$JF/root/default/TV/TV1.mblink"
for f in "$M" "$T"; do [[ -f "$f" ]] || { print "FATAL: missing $f"; exit 1; }; done
print "before: $(cat "$M") | $(cat "$T")"

# CRITICAL: no trailing newline, or the library scan fails with a parse error
printf '%s' "$DST/Media/Jellyfin/Movie" > "$M"
printf '%s' "$DST/Media/Jellyfin/TV"    > "$T"

print "after:  $(cat "$M") | $(cat "$T")"
print "byte check (must be 0 newlines):"
for f in "$M" "$T"; do printf '%s -> trailing_newlines=%s\n' "${f:t}" "$(tail -c 1 "$f" | od -An -c | tr -d ' ' | grep -c '\\n')"; done

grep -rl -i 'MicroSD' "$JF" --include='*.xml' 2>/dev/null | head -20 > "$AUDIT/jf.remaining-refs.txt"
find "$JF/data/playlists" -type f 2>/dev/null | head -5 >> "$AUDIT/jf.remaining-refs.txt"
print "===== REMAINING MicroSD REFS (xml only, fix by hand) ====="; cat "$AUDIT/jf.remaining-refs.txt"