# bash completion for vpn-router-backup                                -*- shell-script -*-

_vpn_router_backup()
{
    local cur prev words cword split
    _init_completion -s || return

    # The command is the first word that is not an option; the arguments are the words after it.
    local i command='' args=0 pbs=false
    for ((i = 1; i < cword; i++)); do
        if [[ -z $command ]]; then
            [[ ${words[i]} != -* ]] && command=${words[i]}
        elif [[ ${words[i]} == --pbs ]]; then
            pbs=true
        elif [[ ${words[i]} != -* ]]; then
            ((args++))
        fi
    done

    if [[ -z $command ]]; then
        if [[ $cur == -* ]]; then
            COMPREPLY=($(compgen -W '--help' -- "$cur"))
        else
            COMPREPLY=($(compgen -W 'run list restore' -- "$cur"))
        fi
        return
    fi

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W "--help$([[ $command == restore ]] && echo ' --pbs --yes')" -- "$cur"))
        return
    fi

    # restore takes a local archive, or with --pbs a snapshot name, which vpn-router-backup list shows.
    if [[ $command == restore ]] && ((args == 0)) && ! $pbs; then
        _filedir
    fi
} &&
    complete -F _vpn_router_backup vpn-router-backup

# ex: filetype=sh