srb

#!/bin/bash
# $Id$
#
# SystemRescue-Backup
#
#   SystemRescue-Backup is free software; you can distribut it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 3 of the license, or
#   (at your option) any later version.
#
#   SystemRescue-Backup is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with SystemRescue-Backup; it not, write to the Free Software
#   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# Authors:
# See https://github.com/erenfro/systemrescue-backup/graphs/contributors

scriptPath="$(dirname "$(readlink -f "$0")")"
#configPath="$(dirname "$(readlink -f "${scriptPath}/../config")")"

if [[ -r "${scriptPath}/functions.sh" ]]; then
    source "${scriptPath}/functions.sh"
else
    echo "FATAL: Cannot find installed engine."
    exit 255
fi

showHelp() {
    local section="$1"

    echo "No help yet"
    echo "Usage: $0 [global-options] <command> [options]"
    echo
    echo "Commands:"
    echo "  backup                   Perform system backup"
    echo "  restore                  Perform system restore"
    echo "  recovery                 Update/Generate system recovery disc image"
    echo
    echo "Global Options:"
    echo "  --debug, -d              Enable Debug Logging"
    echo "  --help, -h               Show this help"
    echo "  --version, -v            Show current SystemRescue Backup version"
    echo
    echo "Options (per command):"

    if [[ -z "$section" || "$section" == "backup" ]]; then
        echo "backup:"
        echo "  --exclude=<pattern>      Exclude devices matching the pattern from backup"
        echo "  --exclude-file=<file>    Exclude devices listed in the specified file from backup"
        echo
    fi

    if [[ -z "$section" || "$section" == "restore" ]]; then
        echo "restore:"
        echo "  --exclude=<pattern>      Exclude devices matching the pattern from restore"
        echo "  --exclude-file=<file>    Exclude devices listed in the specified file from restore"
        echo "  --rename=\"<old> <new>\"   Rename a device during the restore process"
        echo "  --no-uuid                Disable restoring of UUIDs during restore"
        echo "  --no-partition           Disable restoring of disk partitions during restore"
        echo
    fi

    if [[ -z "$section" || "$section" == "recovery" ]]; then
        echo "recovery:"
        echo "  --cd-version=ver         System Rescue CD version to use: $systemrescue_cd_version"
        echo
    fi

    echo "Examples:"
    echo "  $0 backup --exclude=/dev/sda1"
    echo "  $0 restore --rename=\"/dev/sda /dev/sdb\""
    echo
}



# Main function to handle command-line arguments and invoke appropriate functions
main() {
    local help=false
    local -a positional_args

    while [[ $# -gt 0 ]]; do
        case $1 in
            -h|--help)
                help=true
                shift
                #showHelp
                #exit 0
                ;;
            -d|--debug)
                debug=true;
                shift
                ;;
            -v|--version)
                echo "SystemRescue Backup version v${systemrescue_version}"
                exit 0
                ;;
            *)
                positional_args+=("$1") # save positional arg
                shift
                ;;
        esac
    done

    set -- "${positional_args[@]}" # restore positional args

    if $help; then
        showHelp "$1"
        exit 0
    fi

    case "$1" in
        backup)
            echo "SystemRescue Backup -- Backup Mode"
            ;;
        restore)
            echo "SystemRescue Backup -- Restore Mode"
            ;;
        recovery)
            shift
            while [[ "$#" -gt 0 ]]; do
                case "$1" in
                    --cd-version=*)
                        systemrescue_cd_version="${1#*=}"
                        echoreg -d "Args: SystemRescueCD Version = $systemrescue_cd_version"
                        shift
                        ;;
                    --cd-url=*)
                        systemrescue_cd_url="${1#*=}"
                        echoreg -d "Args: SystemRescueCD Download url = $systemrescue_cd_url"
                        shift
                        ;;
                    *)
                        echo "Invalid option: $1"
                        echo "Use --help to display the help message."
                        exit 1
                        ;;
                esac
            done

            echo "SystemRescue Backup -- Recovery CD"
            echoreg -d "opt: $*"

            run_modules recovery

            # if ! load_module recovery init; then
            #     exit_fail 200 "FATAL: Failed to load recovery init module. ($?)"
            # fi
            # if ! load_module "$backup_engine" init; then
            #     exit_fail 201 "FATAL: Failed to load '$backup_engine' init module. ($?)"
            # fi
            
            # load_config

            # if ! load_module "$backup_engine" prepare; then
            #     exit_fail 202 "FATAL Failed to load '$backup_engine' prepare module. ($?)"
            # fi
            ;;
        *)
            echo "Invalid command: $1"
            echo "Use --help to display the help message."
            exit 1
            ;;
    esac
}

# Call the main function with all arguments
main "$@"