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#! /usr/bin/env dash

NAME="aumo"

error() {
    printf "\033[1;91m==> ERROR:\033[0m \033[1;93m%s\033[0m\n" "$*" >&2
}

die() {
    error "$1"
    if [ -n "$2" ]; then
        exit "$2"
    else
        exit 1
    fi
}

get_mounted_labels() {
    findmnt --output label --json | jq '.filesystems | map(.label) | sort | unique | map(select(. != null))'
}
get_unmounted_labels() {
    first=true

    find /dev/disk/by-label -printf "%P\n" | while read -r label; do
        if ! get_mounted_labels | jq 'join("\n")' --raw-output | grep "$label" --quiet; then
            if [ "$first" = "true" ]; then
                first=false
            else
                printf "|"
            fi
            printf "%s" "$label"
        fi
    done
}

unmounting() {
    disk_name="$(get_mounted_labels | jq 'join("|")' --join-output | rofi -sep "|" -dmenu -p "Select disk to unmount")"

    udisksctl unmount --block-device "/dev/disk/by-label/$disk_name"
}

mounting() {
    disk_name="$(get_unmounted_labels | rofi -sep "|" -dmenu -p "Select disk to mount")"

    udisksctl mount --block-device "/dev/disk/by-label/$disk_name"
}

case "$1" in
"mount")
    mounting
    ;;
"unmount" | "umount")
    unmounting
    ;;
*)
    die "Usage: $NAME mount|unmount"
    ;;
esac