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

DRYRUN=false
DIR="."

# Argumenthantering
for arg in "$@"; do
    case "$arg" in
        --dry-run) DRYRUN=true ;;
        *) DIR="$arg" ;;
    esac
done

# Kontroll att katalogen finns
if [ ! -d "$DIR" ]; then
    echo "Fel: katalogen '$DIR' finns inte"
    exit 1
fi

echo "Söker efter .nfo-filer i: $DIR"
$DRYRUN && echo ">>> DRY-RUN: inga filer tas bort <<<"

# Gå igenom alla .nfo-filer
find "$DIR" -type f -iname '*.nfo' -print0 |
while IFS= read -r -d '' nfo; do
    base="${nfo%.*}"

    # Matcha motsvarande .mp4 (case-insensitive)
    shopt -s nullglob nocaseglob
    mp4s=( "$base".mp4 )
    shopt -u nocaseglob

    if (( ${#mp4s[@]} == 0 )); then
        if $DRYRUN; then
            echo "[dry-run] would delete: $nfo"
        else
            echo "Deleting: $nfo"
            rm -v -- "$nfo"
        fi
    fi
done