#!/usr/bin/eval bash

# TODO: cmd line handling
#       fn für div. Aktionen (gemeinsame?)

NAS_ROOT=/volume1/nfs/backups

backup_media() {
    TARGET_DIR="$NAS_ROOT/weekly/$HOST_NAME"
    
    LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup-media.log"

    log INFO "*** *** Begin NAS backup (media/books, media/music)"

    EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found" serien tmp video "video.archive")
    check_directory $TARGET_DIR
    # media/books media/music
    backup_all_dirs "/volume1/media" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"

    log INFO "*** End of NAS backup"
    list_archives $TARGET_DIR

}

backup_data() {

    TARGET_DIR="$NAS_ROOT/daily/$HOST_NAME/backup.$DAY"

    LOG_FILE="$NAS_ROOT/log/$HOST_NAME-backup.log"

    log INFO "*** *** Begin NAS backup (data, nfs)"
    EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found")
    delete_dir $TARGET_DIR # bei Fehler werden die Dateien hoffentlich überschrieben
    check_directory $TARGET_DIR
    # data
    backup_all_dirs "/volume1/data" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"

    EXCLUDE_DIRS=("@eaDir" "Temporary Items" "lost+found" backups)
    # nfs
    backup_all_dirs "/volume1/nfs" "$TARGET_DIR" "${EXCLUDE_DIRS[@]}"

    log INFO "*** End of NAS backup"
    list_archives $TARGET_DIR
}

# TODO: restore fn


##
# auto backup handling
#
# hostname-scripte setzen vars und definieren Funktionen backup_daily1, 2, usw. und backup_weekly1, 2, usw.
# in den Funktionen werden die vars für den einzelnen backuü gesetzt (target, excludes, usw.)
# im main-script wird dann dass hostname-script gesourced und in einer Schleife werden die
# entsprechenden backup_*-Funktionen aufgerufen
#
# count=1
# while [ $(isFunction backup_daily$count) ]; do
#    backup_daily$count # setzt die nötigen vars für den backup
#    do_backup "daily"
#    let "count += 1"
# done
#

while :; do
    case $1 in
        --daily)
            backup_data
            break
            ;;
        --weekly) 
            backup_media
            break
            ;;
        -l|--list)
            list_archives "$NAS_ROOT"
            break;
            ;;
        -c|--content)
            if [ "$2" ]; then
                list_archive_content "$NAS_ROOT" "$2"
            else
                echo 'ERROR: "--content" requires a non-empty option argument.'
            fi
            break
            ;;
        --restore)
            # TODO
            break
            ;;
        *)               # Default case: No more options, so break out of the loop.
            break
    esac

    shift
done