# wtf completion                                           -*- shell-script -*-
# Raphael Droz, 25/09/2009

_wtf()
{
    local cur prev words cword addf
    _init_completion || return

    [[ $prev == -f ]] && _filedir && return
    [[ ${words[*]} == *\ -f* ]] && addf= || addf=-f
    if [[ $cur == -* ]]; then
        COMPREPLY=($addf)
        return
    fi

    local db

    set -- "${words[@]}"
    while (($# > 0)); do
        if [[ $1 == -f ]]; then
            shift
            db=$1
            break
        fi
        shift
    done

    if [[ ! -v db ]]; then
        local f
        for f in "${ACRONYMDB-}" /usr/share/misc/acronyms \
            /usr/share/games/bsdgames/acronyms; do
            [[ -f $f ]] && db="$f" && break
        done
        [[ -v db ]] || return
    fi

    COMPREPLY=($(compgen -W "$(cut -f 1 -s $db* 2>/dev/null) $addf" \
        -- "${cur^^}"))
} &&
    complete -F _wtf wtf

# ex: filetype=sh