#!/bin/sh

# The MIT License (MIT)
#
# Copyright (c) 2026 pacman64
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.


# sink [extra options...] [podman container kill options...]
#
# Find and stop running podman containers/pods which were currently running
# at the start of this tool, picking them interactively using `fzf`. If any
# items are picked/confirmed, these are sent to the `podman container kill`
# command.
#
# It's always possible to cancel using the escape key, and avoid killing
# any container/pod.
#
# The extra options are, available both in single and double-dash versions
#
#   -h, -help    show this help message


torpedo='podman container kill'

while [ $# -gt 0 ]; do
    case "$1" in
        -h|--h|-help|--help)
            awk '/^# +sink /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
            exit 0
        ;;

        --) shift; break ;;
        -*) torpedo="${torpedo} $1"; shift; continue ;;
    esac

    break
done

if ! command -v fzf > /dev/null; then
    printf "fzf (interactive picker) not found\n" >&2
    exit 2
fi

keys='ctrl-a:select-all,ctrl-space:toggle,F10:abort,F12:abort'
picker="fzf --reverse -m --header-first --header-lines=1 --bind ${keys}"

when="$(date +'%Y-%m-%d %H:%M:%S')"
data="$(podman container list)"
[ -z "${data}" ] && exit 1

msg="$(printf "%-20s    (containers as of %s)\n" "${torpedo} ..." "${when}")"
targets="$(echo "${data}" | ${picker} --header="${msg}")"
[ -z "${targets}" ] && exit 1

ids="$(echo "${targets}" | awk '{ printf " %s", $1 }')"
[ -z "${ids}" ] && exit 1

torpedo="${torpedo}${ids}"
printf "\033[7m%s\033[0m\n" "${torpedo}"
${torpedo}