#!/bin/sh
#
# Description: Remove jail and all dated copies (incs)
# Usage: remove <jailname>|all
# Return codes:
# * 101 : jail removal aborted
#

# shellcheck source=./includes
LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"

jail_name="${1:?}"
if [ -z "${jail_name}" ]; then
    show_help && exit 1
fi
jail_path=$(jail_path "${jail_name}")
incs_path=$(incs_path "${jail_name}")

test -d "${jail_path}" || error "${jail_name}: jail not found" 2

if [ "${FORCE}" != "1" ]; then
    answer=""
    while :; do
        printf "> Are you sure you want to delete jail \`%s'? [Y,n,?] " "${jail_name}"
        read -r answer
        case $answer in
            [Yy]|"" )
                break
                ;;
            [Nn] )
                tty -s && echo "Abort." >&2
                exit 101
                ;;
            * )
                printf "y - yes, execute actions and exit\n"
                printf "n - no, don't execute actions and exit\n"
                printf "? - print this help\n"
                ;;
        esac
    done
fi

"${LIBDIR}/bkctld-is-on" "${jail_name}" && "${LIBDIR}/bkctld-stop" "${jail_name}"

rm -f "${CONFDIR}/${jail_name}"
jail_inode=$(stat --format=%i "${jail_path}")
if [ "${jail_inode}" -eq 256 ]; then
    /bin/btrfs subvolume delete "${jail_path}" | debug
else
    rm -rf "${jail_path:?}" | debug
fi
# TODO: use functions here
if [ -d  "${incs_path}" ]; then
    incs=$(ls "${incs_path}")
    for inc in ${incs}; do
        inc_inode=$(stat --format=%i "${incs_path}/${inc}")
        if [ "${inc_inode}" -eq 256 ]; then
            /bin/btrfs subvolume delete "${incs_path}/${inc}" | debug
        else
            warning "You need to purge \`${incs_path}/${inc}' manually"
        fi
    done
    rmdir --ignore-fail-on-non-empty "${incs_path}" | debug
fi
"${LIBDIR}/bkctld-firewall" "${jail_name}"
notice "Delete jail \`${jail_name}' : OK"