#!/bin/sh
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright (c) 2018-2025, Christer Edwards <christer.edwards@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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. /usr/local/share/bastille/common.sh

usage() {
    error_notify "Usage: bastille htop [option(s)] TARGET"
    cat << EOF
	
    Options:

    -a | --auto           Auto mode. Start/stop jail(s) if required.
    -x | --debug          Enable debug mode.

EOF
    exit 1
}

# Handle options.
AUTO=0
while [ "$#" -gt 0 ]; do
    case "${1}" in
        -h|--help|help)
            usage
            ;;
        -a|--auto)
            AUTO=1
            shift
            ;;
        -x|--debug)
            enable_debug
            shift
            ;;
        -*)
            for _opt in $(echo ${1} | sed 's/-//g' | fold -w1); do
                case ${_opt} in
                    a) AUTO=1 ;;
                    x) enable_debug ;;
                    *) error_exit "[ERROR]: Unknown Option: \"${1}\""
                esac
            done
            shift
            ;;
        *)
            break
            ;;
    esac
done

if [ "$#" -ne 1 ]; then
    usage
fi

TARGET="${1}"

bastille_root_check
set_target_single "${TARGET}"

check_target_is_running "${TARGET}" || if [ "${AUTO}" -eq 1 ]; then
    bastille start "${TARGET}"
else
    info "\n[${TARGET}]:"
    error_notify "Jail is not running."
    error_continue "Use [-a|--auto] to auto-start the jail."
fi

info "\n[${TARGET}]:"

if [ ! -x "${bastille_jailsdir}/${TARGET}/root/usr/local/bin/htop" ]; then
    error_exit "[ERROR]: htop not found on ${TARGET}."
elif [ -x "${bastille_jailsdir}/${TARGET}/root/usr/local/bin/htop" ]; then
    jexec -l ${TARGET} /usr/local/bin/htop
fi