# op (1Password CLI) completion                            -*- shell-script -*-

_op_commands()
{
    "$@" --help 2>/dev/null |
        awk "/^(Available |Sub)commands/{flag=1;next}/^ /&&flag{print \$1}"
}

_op_command_options()
{
    case $cur in
        -*)
            for i in "${!words[@]}"; do
                [[ ${words[i]} == -* || $i -eq 0 ]] && unset words[i]
            done
            COMPREPLY=( $(compgen -W \
                '$(_parse_usage "$1" "${words[*]} --help") --help' -- "$cur") )
            [[ $COMPREPLY == *= ]] && compopt -o nospace
            return 0
            ;;
    esac
    return 1
}

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

    local command i
    for (( i=1; i < cword; i++ )); do
        case ${words[i]} in
            --help|--version) return ;;
            -*) ;;
            *) command=${words[i]}; break ;;
        esac
    done

    if [[ -z $command && $cur == -* ]]; then
        COMPREPLY=( $(compgen -W '$(_parse_usage "$1" --help)' -- "$cur") )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
        return
    fi

    [[ $command ]] && _op_command_options "$1" && return

    if [[ -z $command || $command == $prev ]]; then
        COMPREPLY=( $(compgen -W '$(_op_commands "$1" $command)' -- "$cur") )
        [[ $COMPREPLY ]] && return
    fi

    # TODO specific command and subcommand completions
} &&
complete -F _op op

# ex: filetype=sh